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* [glibc/azanella/clang] Suppress -Wmaybe-uninitialized only for gcc
@ 2024-02-07 14:04 Adhemerval Zanella
0 siblings, 0 replies; 7+ messages in thread
From: Adhemerval Zanella @ 2024-02-07 14:04 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a74790b6373f265dc16058cc807cf9bfa403fa90
commit a74790b6373f265dc16058cc807cf9bfa403fa90
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Mar 9 15:51:50 2022 -0300
Suppress -Wmaybe-uninitialized only for gcc
The warning is not supported by clang.
Diff:
---
elf/dl-load.c | 2 +-
hurd/hurdsig.c | 2 +-
iconv/loop.c | 2 +-
iconvdata/iso-2022-cn-ext.c | 2 +-
include/libc-diag.h | 3 +++
inet/net-internal.h | 2 +-
locale/weight.h | 6 +++---
locale/weightwc.h | 8 ++++----
malloc/malloc-check.c | 2 +-
nis/nis_table.c | 2 +-
nptl/tst-thread-setspecific.c | 2 +-
nptl_db/thread_dbP.h | 2 +-
posix/fnmatch_loop.c | 6 +++---
posix/regexec.c | 2 +-
resolv/res_send.c | 10 +++++-----
stdio-common/vfscanf-internal.c | 2 +-
stdlib/bug-getcontext.c | 2 +-
string/strcoll_l.c | 4 ++--
string/wordcopy.c | 6 +++---
sunrpc/clnt_udp.c | 2 +-
sysdeps/ieee754/dbl-64/e_lgamma_r.c | 2 +-
sysdeps/ieee754/dbl-64/s_log1p.c | 2 +-
sysdeps/ieee754/flt-32/e_lgammaf_r.c | 2 +-
sysdeps/ieee754/flt-32/s_log1pf.c | 2 +-
sysdeps/ieee754/ldbl-128/k_tanl.c | 2 +-
sysdeps/ieee754/ldbl-128ibm/k_tanl.c | 2 +-
sysdeps/ieee754/ldbl-96/e_lgammal_r.c | 2 +-
sysdeps/ieee754/ldbl-96/k_tanl.c | 2 +-
sysdeps/ieee754/soft-fp/s_ddivl.c | 2 +-
sysdeps/ieee754/soft-fp/s_dfmal.c | 2 +-
sysdeps/ieee754/soft-fp/s_dsqrtl.c | 2 +-
sysdeps/ieee754/soft-fp/s_fdiv.c | 2 +-
sysdeps/ieee754/soft-fp/s_fdivl.c | 2 +-
sysdeps/ieee754/soft-fp/s_ffma.c | 2 +-
sysdeps/ieee754/soft-fp/s_ffmal.c | 2 +-
sysdeps/ieee754/soft-fp/s_fma.c | 2 +-
sysdeps/ieee754/soft-fp/s_fmaf.c | 2 +-
sysdeps/ieee754/soft-fp/s_fmal.c | 2 +-
sysdeps/ieee754/soft-fp/s_fsqrt.c | 2 +-
sysdeps/unix/sysv/linux/convert_scm_timestamps.c | 2 +-
40 files changed, 56 insertions(+), 53 deletions(-)
diff --git a/elf/dl-load.c b/elf/dl-load.c
index a34cb3559c..a3a175e4b9 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -1148,7 +1148,7 @@ _dl_map_object_from_fd (const char *name, const char *origname, int fd,
‘(((char *)loadcmds.113_68 + _933 + 16))[329406144173384849].mapend’ may be used uninitialized [-Wmaybe-uninitialized]
See: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106008
*/
- DIAG_IGNORE_NEEDS_COMMENT (11, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (11, "-Wmaybe-uninitialized");
#endif
/* Determine whether there is a gap between the last segment
and this one. */
diff --git a/hurd/hurdsig.c b/hurd/hurdsig.c
index 882a03471d..3164f3be5f 100644
--- a/hurd/hurdsig.c
+++ b/hurd/hurdsig.c
@@ -376,7 +376,7 @@ interrupted_reply_port_location (thread_t thread,
/* GCC 6 and before seem to be confused by the setjmp call inside
_hurdsig_catch_memory_fault and think that we may be returning a second
time to here with portloc uninitialized (but we never do). */
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
/* Fault now if this pointer is bogus. */
*(volatile mach_port_t *) portloc = *portloc;
DIAG_POP_NEEDS_COMMENT;
diff --git a/iconv/loop.c b/iconv/loop.c
index 5340dafc70..ade4185f53 100644
--- a/iconv/loop.c
+++ b/iconv/loop.c
@@ -192,7 +192,7 @@
has a comment referencing this diagnostic disabling; updates in one
place may require updates in the other. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
/* Handling of Unicode 3.1 TAG characters. Unicode recommends
"If language codes are not relevant to the particular processing
operation, then they should be ignored." This macro is usually
diff --git a/iconvdata/iso-2022-cn-ext.c b/iconvdata/iso-2022-cn-ext.c
index b34c8a36f4..0be9278740 100644
--- a/iconvdata/iso-2022-cn-ext.c
+++ b/iconvdata/iso-2022-cn-ext.c
@@ -403,7 +403,7 @@ enum
involved in determining the code page and is the indicator that
tmpbuf[2] is initialized. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
#define BODY \
{ \
uint32_t ch; \
diff --git a/include/libc-diag.h b/include/libc-diag.h
index 7666a386f3..49e7457c6e 100644
--- a/include/libc-diag.h
+++ b/include/libc-diag.h
@@ -86,9 +86,12 @@
#ifndef __clang__
# define DIAG_IGNORE_NEEDS_COMMENT_GCC(VERSION, WARNING) \
DIAG_IGNORE_NEEDS_COMMENT (VERSION, WARNING)
+# define DIAG_IGNORE_Os_NEEDS_COMMENT_GCC(VERSION, WARNING) \
+ DIAG_IGNORE_Os_NEEDS_COMMENT (VERSION, WARNING)
# define DIAG_IGNORE_NEEDS_COMMENT_CLANG(version, option)
#else
# define DIAG_IGNORE_NEEDS_COMMENT_GCC(VERSION, WARNING)
+# define DIAG_IGNORE_Os_NEEDS_COMMENT_GCC(VERSION, WARNING)
# define DIAG_IGNORE_NEEDS_COMMENT_CLANG(version, option) \
_Pragma (_DIAG_STR (clang diagnostic ignored option))
#endif
diff --git a/inet/net-internal.h b/inet/net-internal.h
index f5749a8662..ad71fbecf0 100644
--- a/inet/net-internal.h
+++ b/inet/net-internal.h
@@ -106,7 +106,7 @@ __deadline_is_infinite (struct deadline deadline)
* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91691
*/
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
/* Return true if the current time is at the deadline or past it. */
static inline bool
diff --git a/locale/weight.h b/locale/weight.h
index 4c5e8b7a73..7cabfec2bb 100644
--- a/locale/weight.h
+++ b/locale/weight.h
@@ -32,7 +32,7 @@ findidx (const int32_t *table,
This uninitialized use is impossible for the same reason
as described in comments in locale/weightwc.h. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
int32_t i = table[*(*cpp)++];
DIAG_POP_NEEDS_COMMENT;
const unsigned char *cp;
@@ -75,7 +75,7 @@ findidx (const int32_t *table,
of -1 for len at the same time which means that this loop
never executes. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
for (cnt = 0; cnt < nhere && cnt < len; ++cnt)
if (cp[cnt] != usrc[cnt])
break;
@@ -144,7 +144,7 @@ findidx (const int32_t *table,
is impossible for the same reason as described
above. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
offset += usrc[cnt] - cp[cnt];
DIAG_POP_NEEDS_COMMENT;
}
diff --git a/locale/weightwc.h b/locale/weightwc.h
index 5fce8d4448..7072e19017 100644
--- a/locale/weightwc.h
+++ b/locale/weightwc.h
@@ -33,7 +33,7 @@ findidx (const int32_t *table,
called except in cases where those fields have been
initialized. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
wint_t ch = *(*cpp)++;
DIAG_POP_NEEDS_COMMENT;
int32_t i = __collidx_table_lookup ((const char *) table, ch);
@@ -74,7 +74,7 @@ findidx (const int32_t *table,
of -1 for len at the same time which means that this loop
never executes. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
for (cnt = 0; cnt < nhere && cnt < len; ++cnt)
if (cp[cnt] != usrc[cnt])
break;
@@ -102,7 +102,7 @@ findidx (const int32_t *table,
might be used uninitialized. This is impossible for the
same reason as described above. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
for (cnt = 0; cnt < nhere - 1 && cnt < len; ++cnt)
if (cp[cnt] != usrc[cnt])
break;
@@ -119,7 +119,7 @@ findidx (const int32_t *table,
might be used uninitialized. This is impossible for the
same reason as described above. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
if (cp[nhere - 1] > usrc[nhere - 1])
{
cp += 2 * nhere;
diff --git a/malloc/malloc-check.c b/malloc/malloc-check.c
index da1158b333..0ccc7672d9 100644
--- a/malloc/malloc-check.c
+++ b/malloc/malloc-check.c
@@ -319,7 +319,7 @@ realloc_check (void *oldmem, size_t bytes)
#if __GNUC_PREREQ (7, 0)
/* GCC 7 warns about magic_p may be used uninitialized. But we never
reach here if magic_p is uninitialized. */
- DIAG_IGNORE_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
#endif
/* mem2chunk_check changed the magic byte in the old chunk.
If newmem is NULL, then the old chunk will still be used though,
diff --git a/nis/nis_table.c b/nis/nis_table.c
index 56c1aa262d..399c16cb86 100644
--- a/nis/nis_table.c
+++ b/nis/nis_table.c
@@ -180,7 +180,7 @@ __follow_path (char **tablepath, char **tableptr, struct ib_request *ibreq,
/* Since tableptr is only set here, and it's set when tablepath is NULL,
which it is initially defined as, we know it will always be set here. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.7, "-Wmaybe-uninitialized");
if (*tableptr == NULL)
return NIS_NOTFOUND;
diff --git a/nptl/tst-thread-setspecific.c b/nptl/tst-thread-setspecific.c
index 462c9f0d2b..0008a8ee2f 100644
--- a/nptl/tst-thread-setspecific.c
+++ b/nptl/tst-thread-setspecific.c
@@ -25,7 +25,7 @@
See BZ #27714. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
DIAG_IGNORE_NEEDS_COMMENT (6, "-Wuninitialized");
static int
diff --git a/nptl_db/thread_dbP.h b/nptl_db/thread_dbP.h
index 72d5558845..aa9b614cb0 100644
--- a/nptl_db/thread_dbP.h
+++ b/nptl_db/thread_dbP.h
@@ -176,7 +176,7 @@ extern ps_err_e td_mod_lookup (struct ps_prochandle *ps, const char *modname,
when DB_GET_FIELD_ADDRESS is called with a slot for ptr, the slot is
always initialized. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
#define DB_GET_FIELD_ADDRESS(var, ta, ptr, type, field, idx) \
((var) = (ptr), _td_locate_field ((ta), (ta)->ta_field_##type##_##field, \
SYM_##type##_FIELD_##field, \
diff --git a/posix/fnmatch_loop.c b/posix/fnmatch_loop.c
index 6994a09ab5..17fcb58bf4 100644
--- a/posix/fnmatch_loop.c
+++ b/posix/fnmatch_loop.c
@@ -560,7 +560,7 @@ FCT (const CHAR *pattern, const CHAR *string, const CHAR *string_end,
above it will be properly set by the loop.
*/
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
cold = wextra[1 + wextra[0]];
DIAG_POP_NEEDS_COMMENT;
# else
@@ -745,7 +745,7 @@ FCT (const CHAR *pattern, const CHAR *string, const CHAR *string_end,
means that it was properly set in the
loop above. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
cend = wextra[1 + wextra[0]];
DIAG_POP_NEEDS_COMMENT;
# else
@@ -754,7 +754,7 @@ FCT (const CHAR *pattern, const CHAR *string, const CHAR *string_end,
wextra above it will be properly set by
the loop. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
idx += 1 + extra[idx];
DIAG_POP_NEEDS_COMMENT;
/* Adjust for the alignment. */
diff --git a/posix/regexec.c b/posix/regexec.c
index 180e3bce40..13add301f5 100644
--- a/posix/regexec.c
+++ b/posix/regexec.c
@@ -3772,7 +3772,7 @@ check_node_accept_bytes (const re_dfa_t *dfa, Idx node_idx,
however the loop will be executed iff ncoll_syms is larger
than 0,which means extra will be already initialized. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
const unsigned char *coll_sym = extra + cset->coll_syms[i];
DIAG_POP_NEEDS_COMMENT;
/* Compare the length of input collating element and
diff --git a/resolv/res_send.c b/resolv/res_send.c
index fb0217204a..c314d9762a 100644
--- a/resolv/res_send.c
+++ b/resolv/res_send.c
@@ -266,7 +266,7 @@ __res_context_send (struct resolv_context *ctx,
Here the variable n is set to the return value of send_vc.
See below. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
int n;
DIAG_POP_NEEDS_COMMENT;
@@ -364,7 +364,7 @@ __res_context_send (struct resolv_context *ctx,
return (-1);
/* See comment at the declaration of n. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
if (n == 0 && (buf2 == NULL || *resplen2 == 0))
goto next_ns;
DIAG_POP_NEEDS_COMMENT;
@@ -388,7 +388,7 @@ __res_context_send (struct resolv_context *ctx,
/* See comment at the declaration of n. Note: resplen = n; */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
/* Mask the AD bit in both responses unless it is
marked trusted. */
if (resplen > HFIXEDSZ)
@@ -580,7 +580,7 @@ send_vc(res_state statp,
a false-positive.
*/
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
int resplen;
DIAG_POP_NEEDS_COMMENT;
struct iovec iov[4];
@@ -852,7 +852,7 @@ reopen (res_state statp, int *terrno, int ns)
the function return -1 before control flow reaches
the call to connect with slen. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (__connect (EXT (statp).nssocks[ns], nsap, slen) < 0) {
DIAG_POP_NEEDS_COMMENT;
__res_iclose(statp, false);
diff --git a/stdio-common/vfscanf-internal.c b/stdio-common/vfscanf-internal.c
index 1b82deffa7..eb66506ca3 100644
--- a/stdio-common/vfscanf-internal.c
+++ b/stdio-common/vfscanf-internal.c
@@ -1608,7 +1608,7 @@ __vfscanf_internal (FILE *s, const char *format, va_list argptr,
above, but the test for "map != NULL" is done
inside the loop here and outside the loop there. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.7, "-Wmaybe-uninitialized");
if (__glibc_unlikely (map != NULL))
wcdigits[n] = digits_extended[n];
diff --git a/stdlib/bug-getcontext.c b/stdlib/bug-getcontext.c
index 55c681c480..9e5e6c7e1c 100644
--- a/stdlib/bug-getcontext.c
+++ b/stdlib/bug-getcontext.c
@@ -56,7 +56,7 @@ do_test (void)
in local variables being clobbered on the second return from
getcontext), in fact an uninitialized use is not possible. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
int mask = fegetexcept ();
if (mask != except_mask)
{
diff --git a/string/strcoll_l.c b/string/strcoll_l.c
index 06aa1423c0..d68b12e79a 100644
--- a/string/strcoll_l.c
+++ b/string/strcoll_l.c
@@ -180,7 +180,7 @@ get_next_seq (coll_seq *seq, int nrules, const unsigned char *rulesets,
ensures that seq->save_idx was saved to first and contains a
valid value. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
len = weights[idx++];
DIAG_POP_NEEDS_COMMENT;
/* Skip over indices of previous levels. */
@@ -299,7 +299,7 @@ STRCOLL (const STRING_TYPE *s1, const STRING_TYPE *s2, locale_t l)
seq2. This uninitialized use is impossible for the same reason
as described in comments in locale/weightwc.h. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
coll_seq seq1, seq2;
DIAG_POP_NEEDS_COMMENT;
seq1.len = 0;
diff --git a/string/wordcopy.c b/string/wordcopy.c
index 4e77cdb132..083daa658c 100644
--- a/string/wordcopy.c
+++ b/string/wordcopy.c
@@ -29,7 +29,7 @@
Since the usage is within the MERGE macro we disable the
warning in the definition, but only in this file. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
#include <memcopy.h>
DIAG_POP_NEEDS_COMMENT;
@@ -112,7 +112,7 @@ WORDCOPY_FWD_ALIGNED (long int dstp, long int srcp, size_t len)
case. The switch case always sets 'a1' and all previous loop
iterations will also have set 'a1' before the use. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
((op_t *) dstp)[0] = a1;
DIAG_POP_NEEDS_COMMENT;
do7:
@@ -313,7 +313,7 @@ WORDCOPY_BWD_ALIGNED (long int dstp, long int srcp, size_t len)
a0 = ((op_t *) srcp)[7];
/* Check the comment on WORDCOPY_FWD_ALIGNED. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
((op_t *) dstp)[7] = a1;
DIAG_POP_NEEDS_COMMENT;
do7:
diff --git a/sunrpc/clnt_udp.c b/sunrpc/clnt_udp.c
index ee79b09b40..4353e5da18 100644
--- a/sunrpc/clnt_udp.c
+++ b/sunrpc/clnt_udp.c
@@ -299,7 +299,7 @@ clntudp_call (/* client handle */
inet/net-internal.h because in some other configurations GCC
gives the warning in an inline function. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (10, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (10, "-Wmaybe-uninitialized");
struct deadline total_deadline; /* Determined once by overall timeout. */
DIAG_POP_NEEDS_COMMENT;
struct deadline response_deadline; /* Determined anew for each query. */
diff --git a/sysdeps/ieee754/dbl-64/e_lgamma_r.c b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
index 72c68b6682..c298c8ca03 100644
--- a/sysdeps/ieee754/dbl-64/e_lgamma_r.c
+++ b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
@@ -304,7 +304,7 @@ __ieee754_lgamma_r(double x, int *signgamp)
although in the cases where it is used it has always been
set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if(hx<0) r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
return r;
diff --git a/sysdeps/ieee754/dbl-64/s_log1p.c b/sysdeps/ieee754/dbl-64/s_log1p.c
index eeb0af859f..f52c0124fc 100644
--- a/sysdeps/ieee754/dbl-64/s_log1p.c
+++ b/sysdeps/ieee754/dbl-64/s_log1p.c
@@ -205,7 +205,7 @@ __log1p (double x)
must be 0 for c to be uninitialized and we handled that
computation earlier without using c. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
return k * ln2_hi - ((hfsq - (s * (hfsq + R) + (k * ln2_lo + c))) - f);
DIAG_POP_NEEDS_COMMENT;
}
diff --git a/sysdeps/ieee754/flt-32/e_lgammaf_r.c b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
index a1a3a60454..77dc54eaeb 100644
--- a/sysdeps/ieee754/flt-32/e_lgammaf_r.c
+++ b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
@@ -239,7 +239,7 @@ __ieee754_lgammaf_r(float x, int *signgamp)
although in the cases where it is used it has always been
set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if(hx<0) r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
return r;
diff --git a/sysdeps/ieee754/flt-32/s_log1pf.c b/sysdeps/ieee754/flt-32/s_log1pf.c
index 555f0f82c8..cddc0f1e09 100644
--- a/sysdeps/ieee754/flt-32/s_log1pf.c
+++ b/sysdeps/ieee754/flt-32/s_log1pf.c
@@ -108,7 +108,7 @@ __log1pf(float x)
because k must be 0 for c to be uninitialized and we
handled that computation earlier without using c. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
return k * ln2_hi - ((hfsq - (s * (hfsq + R)
+ (k * ln2_lo + c))) - f);
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-128/k_tanl.c b/sysdeps/ieee754/ldbl-128/k_tanl.c
index 8e93626a89..af10fbc64b 100644
--- a/sysdeps/ieee754/ldbl-128/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-128/k_tanl.c
@@ -143,7 +143,7 @@ __kernel_tanl (_Float128 x, _Float128 y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-128ibm/k_tanl.c b/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
index cd95e46089..7a42a18e55 100644
--- a/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
@@ -143,7 +143,7 @@ __kernel_tanl (long double x, long double y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-96/e_lgammal_r.c b/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
index 148c21bb8d..d4fd7f5272 100644
--- a/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
+++ b/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
@@ -431,7 +431,7 @@ __ieee754_lgammal_r (long double x, int *signgamp)
in warnings that it may be used uninitialized although in the
cases where it is used it has always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if (se & 0x8000)
r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-96/k_tanl.c b/sysdeps/ieee754/ldbl-96/k_tanl.c
index 43a5aa4423..462795574f 100644
--- a/sysdeps/ieee754/ldbl-96/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-96/k_tanl.c
@@ -140,7 +140,7 @@ __kernel_tanl (long double x, long double y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.8, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/soft-fp/s_ddivl.c b/sysdeps/ieee754/soft-fp/s_ddivl.c
index 07a6210319..e34244baf5 100644
--- a/sysdeps/ieee754/soft-fp/s_ddivl.c
+++ b/sysdeps/ieee754/soft-fp/s_ddivl.c
@@ -37,7 +37,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_dfmal.c b/sysdeps/ieee754/soft-fp/s_dfmal.c
index 9f537c527d..05fb1a7585 100644
--- a/sysdeps/ieee754/soft-fp/s_dfmal.c
+++ b/sysdeps/ieee754/soft-fp/s_dfmal.c
@@ -37,7 +37,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
diff --git a/sysdeps/ieee754/soft-fp/s_dsqrtl.c b/sysdeps/ieee754/soft-fp/s_dsqrtl.c
index 2b78065823..2e568009a4 100644
--- a/sysdeps/ieee754/soft-fp/s_dsqrtl.c
+++ b/sysdeps/ieee754/soft-fp/s_dsqrtl.c
@@ -35,7 +35,7 @@
does not see that they are set in all cases where they are used,
resulting in warnings that they may be used uninitialized. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fdiv.c b/sysdeps/ieee754/soft-fp/s_fdiv.c
index 8c92aa6fb2..4511c5ef67 100644
--- a/sysdeps/ieee754/soft-fp/s_fdiv.c
+++ b/sysdeps/ieee754/soft-fp/s_fdiv.c
@@ -34,7 +34,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
#include <double.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fdivl.c b/sysdeps/ieee754/soft-fp/s_fdivl.c
index b99c9e9335..54d4b760f5 100644
--- a/sysdeps/ieee754/soft-fp/s_fdivl.c
+++ b/sysdeps/ieee754/soft-fp/s_fdivl.c
@@ -33,7 +33,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+(8);
#include <soft-fp.h>
#include <single.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_ffma.c b/sysdeps/ieee754/soft-fp/s_ffma.c
index f63f4e2418..be3cf0caf5 100644
--- a/sysdeps/ieee754/soft-fp/s_ffma.c
+++ b/sysdeps/ieee754/soft-fp/s_ffma.c
@@ -35,7 +35,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
diff --git a/sysdeps/ieee754/soft-fp/s_ffmal.c b/sysdeps/ieee754/soft-fp/s_ffmal.c
index 6d723ed046..f3785b1a5b 100644
--- a/sysdeps/ieee754/soft-fp/s_ffmal.c
+++ b/sysdeps/ieee754/soft-fp/s_ffmal.c
@@ -33,7 +33,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fma.c b/sysdeps/ieee754/soft-fp/s_fma.c
index 67e31e6209..ffcbaf48b3 100644
--- a/sysdeps/ieee754/soft-fp/s_fma.c
+++ b/sysdeps/ieee754/soft-fp/s_fma.c
@@ -42,7 +42,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "double.h"
diff --git a/sysdeps/ieee754/soft-fp/s_fmaf.c b/sysdeps/ieee754/soft-fp/s_fmaf.c
index a57e949fa5..95e5a34e1b 100644
--- a/sysdeps/ieee754/soft-fp/s_fmaf.c
+++ b/sysdeps/ieee754/soft-fp/s_fmaf.c
@@ -37,7 +37,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "single.h"
diff --git a/sysdeps/ieee754/soft-fp/s_fmal.c b/sysdeps/ieee754/soft-fp/s_fmal.c
index 1973a21f19..22ffc7cebd 100644
--- a/sysdeps/ieee754/soft-fp/s_fmal.c
+++ b/sysdeps/ieee754/soft-fp/s_fmal.c
@@ -40,7 +40,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "quad.h"
diff --git a/sysdeps/ieee754/soft-fp/s_fsqrt.c b/sysdeps/ieee754/soft-fp/s_fsqrt.c
index f64ae8262c..5162bd17db 100644
--- a/sysdeps/ieee754/soft-fp/s_fsqrt.c
+++ b/sysdeps/ieee754/soft-fp/s_fsqrt.c
@@ -33,7 +33,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
#include <double.h>
diff --git a/sysdeps/unix/sysv/linux/convert_scm_timestamps.c b/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
index 3720bd9591..399fe597e3 100644
--- a/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
+++ b/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
@@ -51,7 +51,7 @@ __convert_scm_timestamps (struct msghdr *msg, socklen_t msgsize)
(done by either COMPAT_SO_TIMESTAMP_OLD or COMPAT_SO_TIMESTAMPNS_OLD)
which will fallthrough to 'common' label. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
int64_t tvts[2];
DIAG_POP_NEEDS_COMMENT;
int32_t tmp[2];
^ permalink raw reply [flat|nested] 7+ messages in thread
* [glibc/azanella/clang] Suppress -Wmaybe-uninitialized only for gcc
@ 2024-04-17 20:04 Adhemerval Zanella
0 siblings, 0 replies; 7+ messages in thread
From: Adhemerval Zanella @ 2024-04-17 20:04 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=279ce840452e6da645579ca4169c0f0c25cac47f
commit 279ce840452e6da645579ca4169c0f0c25cac47f
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Mar 9 15:51:50 2022 -0300
Suppress -Wmaybe-uninitialized only for gcc
The warning is not supported by clang.
Diff:
---
elf/dl-load.c | 2 +-
hurd/hurdsig.c | 2 +-
iconv/loop.c | 2 +-
iconvdata/iso-2022-cn-ext.c | 2 +-
include/libc-diag.h | 3 +++
inet/net-internal.h | 2 +-
locale/weight.h | 6 +++---
locale/weightwc.h | 8 ++++----
malloc/malloc-check.c | 2 +-
nis/nis_table.c | 2 +-
nptl/tst-thread-setspecific.c | 2 +-
nptl_db/thread_dbP.h | 2 +-
posix/fnmatch_loop.c | 6 +++---
posix/regexec.c | 2 +-
resolv/res_send.c | 10 +++++-----
stdio-common/vfscanf-internal.c | 2 +-
stdlib/bug-getcontext.c | 2 +-
string/strcoll_l.c | 4 ++--
string/wordcopy.c | 6 +++---
sunrpc/clnt_udp.c | 2 +-
sysdeps/ieee754/dbl-64/e_lgamma_r.c | 2 +-
sysdeps/ieee754/dbl-64/s_log1p.c | 2 +-
sysdeps/ieee754/flt-32/e_lgammaf_r.c | 2 +-
sysdeps/ieee754/flt-32/s_log1pf.c | 2 +-
sysdeps/ieee754/ldbl-128/k_tanl.c | 2 +-
sysdeps/ieee754/ldbl-128ibm/k_tanl.c | 2 +-
sysdeps/ieee754/ldbl-96/e_lgammal_r.c | 2 +-
sysdeps/ieee754/ldbl-96/k_tanl.c | 2 +-
sysdeps/ieee754/soft-fp/s_ddivl.c | 2 +-
sysdeps/ieee754/soft-fp/s_dfmal.c | 2 +-
sysdeps/ieee754/soft-fp/s_dsqrtl.c | 2 +-
sysdeps/ieee754/soft-fp/s_fdiv.c | 2 +-
sysdeps/ieee754/soft-fp/s_fdivl.c | 3 +--
sysdeps/ieee754/soft-fp/s_ffma.c | 2 +-
sysdeps/ieee754/soft-fp/s_ffmal.c | 2 +-
sysdeps/ieee754/soft-fp/s_fma.c | 2 +-
sysdeps/ieee754/soft-fp/s_fmaf.c | 2 +-
sysdeps/ieee754/soft-fp/s_fmal.c | 2 +-
sysdeps/ieee754/soft-fp/s_fsqrt.c | 2 +-
sysdeps/unix/sysv/linux/convert_scm_timestamps.c | 2 +-
40 files changed, 56 insertions(+), 54 deletions(-)
diff --git a/elf/dl-load.c b/elf/dl-load.c
index a34cb3559c..a3a175e4b9 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -1148,7 +1148,7 @@ _dl_map_object_from_fd (const char *name, const char *origname, int fd,
‘(((char *)loadcmds.113_68 + _933 + 16))[329406144173384849].mapend’ may be used uninitialized [-Wmaybe-uninitialized]
See: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106008
*/
- DIAG_IGNORE_NEEDS_COMMENT (11, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (11, "-Wmaybe-uninitialized");
#endif
/* Determine whether there is a gap between the last segment
and this one. */
diff --git a/hurd/hurdsig.c b/hurd/hurdsig.c
index 8b1928d1a1..a7b7bbcc58 100644
--- a/hurd/hurdsig.c
+++ b/hurd/hurdsig.c
@@ -376,7 +376,7 @@ interrupted_reply_port_location (thread_t thread,
/* GCC 6 and before seem to be confused by the setjmp call inside
_hurdsig_catch_memory_fault and think that we may be returning a second
time to here with portloc uninitialized (but we never do). */
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
/* Fault now if this pointer is bogus. */
*(volatile mach_port_t *) portloc = *portloc;
DIAG_POP_NEEDS_COMMENT;
diff --git a/iconv/loop.c b/iconv/loop.c
index 5340dafc70..ade4185f53 100644
--- a/iconv/loop.c
+++ b/iconv/loop.c
@@ -192,7 +192,7 @@
has a comment referencing this diagnostic disabling; updates in one
place may require updates in the other. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
/* Handling of Unicode 3.1 TAG characters. Unicode recommends
"If language codes are not relevant to the particular processing
operation, then they should be ignored." This macro is usually
diff --git a/iconvdata/iso-2022-cn-ext.c b/iconvdata/iso-2022-cn-ext.c
index cce29b1969..e1d892dc1c 100644
--- a/iconvdata/iso-2022-cn-ext.c
+++ b/iconvdata/iso-2022-cn-ext.c
@@ -403,7 +403,7 @@ enum
involved in determining the code page and is the indicator that
tmpbuf[2] is initialized. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
#define BODY \
{ \
uint32_t ch; \
diff --git a/include/libc-diag.h b/include/libc-diag.h
index 7666a386f3..49e7457c6e 100644
--- a/include/libc-diag.h
+++ b/include/libc-diag.h
@@ -86,9 +86,12 @@
#ifndef __clang__
# define DIAG_IGNORE_NEEDS_COMMENT_GCC(VERSION, WARNING) \
DIAG_IGNORE_NEEDS_COMMENT (VERSION, WARNING)
+# define DIAG_IGNORE_Os_NEEDS_COMMENT_GCC(VERSION, WARNING) \
+ DIAG_IGNORE_Os_NEEDS_COMMENT (VERSION, WARNING)
# define DIAG_IGNORE_NEEDS_COMMENT_CLANG(version, option)
#else
# define DIAG_IGNORE_NEEDS_COMMENT_GCC(VERSION, WARNING)
+# define DIAG_IGNORE_Os_NEEDS_COMMENT_GCC(VERSION, WARNING)
# define DIAG_IGNORE_NEEDS_COMMENT_CLANG(version, option) \
_Pragma (_DIAG_STR (clang diagnostic ignored option))
#endif
diff --git a/inet/net-internal.h b/inet/net-internal.h
index f5749a8662..ad71fbecf0 100644
--- a/inet/net-internal.h
+++ b/inet/net-internal.h
@@ -106,7 +106,7 @@ __deadline_is_infinite (struct deadline deadline)
* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91691
*/
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
/* Return true if the current time is at the deadline or past it. */
static inline bool
diff --git a/locale/weight.h b/locale/weight.h
index 4c5e8b7a73..7cabfec2bb 100644
--- a/locale/weight.h
+++ b/locale/weight.h
@@ -32,7 +32,7 @@ findidx (const int32_t *table,
This uninitialized use is impossible for the same reason
as described in comments in locale/weightwc.h. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
int32_t i = table[*(*cpp)++];
DIAG_POP_NEEDS_COMMENT;
const unsigned char *cp;
@@ -75,7 +75,7 @@ findidx (const int32_t *table,
of -1 for len at the same time which means that this loop
never executes. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
for (cnt = 0; cnt < nhere && cnt < len; ++cnt)
if (cp[cnt] != usrc[cnt])
break;
@@ -144,7 +144,7 @@ findidx (const int32_t *table,
is impossible for the same reason as described
above. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
offset += usrc[cnt] - cp[cnt];
DIAG_POP_NEEDS_COMMENT;
}
diff --git a/locale/weightwc.h b/locale/weightwc.h
index 5fce8d4448..7072e19017 100644
--- a/locale/weightwc.h
+++ b/locale/weightwc.h
@@ -33,7 +33,7 @@ findidx (const int32_t *table,
called except in cases where those fields have been
initialized. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
wint_t ch = *(*cpp)++;
DIAG_POP_NEEDS_COMMENT;
int32_t i = __collidx_table_lookup ((const char *) table, ch);
@@ -74,7 +74,7 @@ findidx (const int32_t *table,
of -1 for len at the same time which means that this loop
never executes. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
for (cnt = 0; cnt < nhere && cnt < len; ++cnt)
if (cp[cnt] != usrc[cnt])
break;
@@ -102,7 +102,7 @@ findidx (const int32_t *table,
might be used uninitialized. This is impossible for the
same reason as described above. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
for (cnt = 0; cnt < nhere - 1 && cnt < len; ++cnt)
if (cp[cnt] != usrc[cnt])
break;
@@ -119,7 +119,7 @@ findidx (const int32_t *table,
might be used uninitialized. This is impossible for the
same reason as described above. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
if (cp[nhere - 1] > usrc[nhere - 1])
{
cp += 2 * nhere;
diff --git a/malloc/malloc-check.c b/malloc/malloc-check.c
index da1158b333..0ccc7672d9 100644
--- a/malloc/malloc-check.c
+++ b/malloc/malloc-check.c
@@ -319,7 +319,7 @@ realloc_check (void *oldmem, size_t bytes)
#if __GNUC_PREREQ (7, 0)
/* GCC 7 warns about magic_p may be used uninitialized. But we never
reach here if magic_p is uninitialized. */
- DIAG_IGNORE_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
#endif
/* mem2chunk_check changed the magic byte in the old chunk.
If newmem is NULL, then the old chunk will still be used though,
diff --git a/nis/nis_table.c b/nis/nis_table.c
index 56c1aa262d..399c16cb86 100644
--- a/nis/nis_table.c
+++ b/nis/nis_table.c
@@ -180,7 +180,7 @@ __follow_path (char **tablepath, char **tableptr, struct ib_request *ibreq,
/* Since tableptr is only set here, and it's set when tablepath is NULL,
which it is initially defined as, we know it will always be set here. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.7, "-Wmaybe-uninitialized");
if (*tableptr == NULL)
return NIS_NOTFOUND;
diff --git a/nptl/tst-thread-setspecific.c b/nptl/tst-thread-setspecific.c
index 462c9f0d2b..0008a8ee2f 100644
--- a/nptl/tst-thread-setspecific.c
+++ b/nptl/tst-thread-setspecific.c
@@ -25,7 +25,7 @@
See BZ #27714. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
DIAG_IGNORE_NEEDS_COMMENT (6, "-Wuninitialized");
static int
diff --git a/nptl_db/thread_dbP.h b/nptl_db/thread_dbP.h
index 72d5558845..aa9b614cb0 100644
--- a/nptl_db/thread_dbP.h
+++ b/nptl_db/thread_dbP.h
@@ -176,7 +176,7 @@ extern ps_err_e td_mod_lookup (struct ps_prochandle *ps, const char *modname,
when DB_GET_FIELD_ADDRESS is called with a slot for ptr, the slot is
always initialized. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
#define DB_GET_FIELD_ADDRESS(var, ta, ptr, type, field, idx) \
((var) = (ptr), _td_locate_field ((ta), (ta)->ta_field_##type##_##field, \
SYM_##type##_FIELD_##field, \
diff --git a/posix/fnmatch_loop.c b/posix/fnmatch_loop.c
index 6994a09ab5..17fcb58bf4 100644
--- a/posix/fnmatch_loop.c
+++ b/posix/fnmatch_loop.c
@@ -560,7 +560,7 @@ FCT (const CHAR *pattern, const CHAR *string, const CHAR *string_end,
above it will be properly set by the loop.
*/
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
cold = wextra[1 + wextra[0]];
DIAG_POP_NEEDS_COMMENT;
# else
@@ -745,7 +745,7 @@ FCT (const CHAR *pattern, const CHAR *string, const CHAR *string_end,
means that it was properly set in the
loop above. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
cend = wextra[1 + wextra[0]];
DIAG_POP_NEEDS_COMMENT;
# else
@@ -754,7 +754,7 @@ FCT (const CHAR *pattern, const CHAR *string, const CHAR *string_end,
wextra above it will be properly set by
the loop. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
idx += 1 + extra[idx];
DIAG_POP_NEEDS_COMMENT;
/* Adjust for the alignment. */
diff --git a/posix/regexec.c b/posix/regexec.c
index 180e3bce40..13add301f5 100644
--- a/posix/regexec.c
+++ b/posix/regexec.c
@@ -3772,7 +3772,7 @@ check_node_accept_bytes (const re_dfa_t *dfa, Idx node_idx,
however the loop will be executed iff ncoll_syms is larger
than 0,which means extra will be already initialized. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
const unsigned char *coll_sym = extra + cset->coll_syms[i];
DIAG_POP_NEEDS_COMMENT;
/* Compare the length of input collating element and
diff --git a/resolv/res_send.c b/resolv/res_send.c
index fb0217204a..c314d9762a 100644
--- a/resolv/res_send.c
+++ b/resolv/res_send.c
@@ -266,7 +266,7 @@ __res_context_send (struct resolv_context *ctx,
Here the variable n is set to the return value of send_vc.
See below. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
int n;
DIAG_POP_NEEDS_COMMENT;
@@ -364,7 +364,7 @@ __res_context_send (struct resolv_context *ctx,
return (-1);
/* See comment at the declaration of n. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
if (n == 0 && (buf2 == NULL || *resplen2 == 0))
goto next_ns;
DIAG_POP_NEEDS_COMMENT;
@@ -388,7 +388,7 @@ __res_context_send (struct resolv_context *ctx,
/* See comment at the declaration of n. Note: resplen = n; */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
/* Mask the AD bit in both responses unless it is
marked trusted. */
if (resplen > HFIXEDSZ)
@@ -580,7 +580,7 @@ send_vc(res_state statp,
a false-positive.
*/
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
int resplen;
DIAG_POP_NEEDS_COMMENT;
struct iovec iov[4];
@@ -852,7 +852,7 @@ reopen (res_state statp, int *terrno, int ns)
the function return -1 before control flow reaches
the call to connect with slen. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (__connect (EXT (statp).nssocks[ns], nsap, slen) < 0) {
DIAG_POP_NEEDS_COMMENT;
__res_iclose(statp, false);
diff --git a/stdio-common/vfscanf-internal.c b/stdio-common/vfscanf-internal.c
index 1b82deffa7..eb66506ca3 100644
--- a/stdio-common/vfscanf-internal.c
+++ b/stdio-common/vfscanf-internal.c
@@ -1608,7 +1608,7 @@ __vfscanf_internal (FILE *s, const char *format, va_list argptr,
above, but the test for "map != NULL" is done
inside the loop here and outside the loop there. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.7, "-Wmaybe-uninitialized");
if (__glibc_unlikely (map != NULL))
wcdigits[n] = digits_extended[n];
diff --git a/stdlib/bug-getcontext.c b/stdlib/bug-getcontext.c
index 55c681c480..9e5e6c7e1c 100644
--- a/stdlib/bug-getcontext.c
+++ b/stdlib/bug-getcontext.c
@@ -56,7 +56,7 @@ do_test (void)
in local variables being clobbered on the second return from
getcontext), in fact an uninitialized use is not possible. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
int mask = fegetexcept ();
if (mask != except_mask)
{
diff --git a/string/strcoll_l.c b/string/strcoll_l.c
index 06aa1423c0..d68b12e79a 100644
--- a/string/strcoll_l.c
+++ b/string/strcoll_l.c
@@ -180,7 +180,7 @@ get_next_seq (coll_seq *seq, int nrules, const unsigned char *rulesets,
ensures that seq->save_idx was saved to first and contains a
valid value. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
len = weights[idx++];
DIAG_POP_NEEDS_COMMENT;
/* Skip over indices of previous levels. */
@@ -299,7 +299,7 @@ STRCOLL (const STRING_TYPE *s1, const STRING_TYPE *s2, locale_t l)
seq2. This uninitialized use is impossible for the same reason
as described in comments in locale/weightwc.h. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
coll_seq seq1, seq2;
DIAG_POP_NEEDS_COMMENT;
seq1.len = 0;
diff --git a/string/wordcopy.c b/string/wordcopy.c
index 4e77cdb132..083daa658c 100644
--- a/string/wordcopy.c
+++ b/string/wordcopy.c
@@ -29,7 +29,7 @@
Since the usage is within the MERGE macro we disable the
warning in the definition, but only in this file. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
#include <memcopy.h>
DIAG_POP_NEEDS_COMMENT;
@@ -112,7 +112,7 @@ WORDCOPY_FWD_ALIGNED (long int dstp, long int srcp, size_t len)
case. The switch case always sets 'a1' and all previous loop
iterations will also have set 'a1' before the use. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
((op_t *) dstp)[0] = a1;
DIAG_POP_NEEDS_COMMENT;
do7:
@@ -313,7 +313,7 @@ WORDCOPY_BWD_ALIGNED (long int dstp, long int srcp, size_t len)
a0 = ((op_t *) srcp)[7];
/* Check the comment on WORDCOPY_FWD_ALIGNED. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
((op_t *) dstp)[7] = a1;
DIAG_POP_NEEDS_COMMENT;
do7:
diff --git a/sunrpc/clnt_udp.c b/sunrpc/clnt_udp.c
index ee79b09b40..4353e5da18 100644
--- a/sunrpc/clnt_udp.c
+++ b/sunrpc/clnt_udp.c
@@ -299,7 +299,7 @@ clntudp_call (/* client handle */
inet/net-internal.h because in some other configurations GCC
gives the warning in an inline function. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (10, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (10, "-Wmaybe-uninitialized");
struct deadline total_deadline; /* Determined once by overall timeout. */
DIAG_POP_NEEDS_COMMENT;
struct deadline response_deadline; /* Determined anew for each query. */
diff --git a/sysdeps/ieee754/dbl-64/e_lgamma_r.c b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
index 72c68b6682..c298c8ca03 100644
--- a/sysdeps/ieee754/dbl-64/e_lgamma_r.c
+++ b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
@@ -304,7 +304,7 @@ __ieee754_lgamma_r(double x, int *signgamp)
although in the cases where it is used it has always been
set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if(hx<0) r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
return r;
diff --git a/sysdeps/ieee754/dbl-64/s_log1p.c b/sysdeps/ieee754/dbl-64/s_log1p.c
index eeb0af859f..f52c0124fc 100644
--- a/sysdeps/ieee754/dbl-64/s_log1p.c
+++ b/sysdeps/ieee754/dbl-64/s_log1p.c
@@ -205,7 +205,7 @@ __log1p (double x)
must be 0 for c to be uninitialized and we handled that
computation earlier without using c. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
return k * ln2_hi - ((hfsq - (s * (hfsq + R) + (k * ln2_lo + c))) - f);
DIAG_POP_NEEDS_COMMENT;
}
diff --git a/sysdeps/ieee754/flt-32/e_lgammaf_r.c b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
index a1a3a60454..77dc54eaeb 100644
--- a/sysdeps/ieee754/flt-32/e_lgammaf_r.c
+++ b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
@@ -239,7 +239,7 @@ __ieee754_lgammaf_r(float x, int *signgamp)
although in the cases where it is used it has always been
set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if(hx<0) r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
return r;
diff --git a/sysdeps/ieee754/flt-32/s_log1pf.c b/sysdeps/ieee754/flt-32/s_log1pf.c
index 555f0f82c8..cddc0f1e09 100644
--- a/sysdeps/ieee754/flt-32/s_log1pf.c
+++ b/sysdeps/ieee754/flt-32/s_log1pf.c
@@ -108,7 +108,7 @@ __log1pf(float x)
because k must be 0 for c to be uninitialized and we
handled that computation earlier without using c. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
return k * ln2_hi - ((hfsq - (s * (hfsq + R)
+ (k * ln2_lo + c))) - f);
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-128/k_tanl.c b/sysdeps/ieee754/ldbl-128/k_tanl.c
index 8e93626a89..af10fbc64b 100644
--- a/sysdeps/ieee754/ldbl-128/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-128/k_tanl.c
@@ -143,7 +143,7 @@ __kernel_tanl (_Float128 x, _Float128 y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-128ibm/k_tanl.c b/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
index cd95e46089..7a42a18e55 100644
--- a/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
@@ -143,7 +143,7 @@ __kernel_tanl (long double x, long double y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-96/e_lgammal_r.c b/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
index 148c21bb8d..d4fd7f5272 100644
--- a/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
+++ b/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
@@ -431,7 +431,7 @@ __ieee754_lgammal_r (long double x, int *signgamp)
in warnings that it may be used uninitialized although in the
cases where it is used it has always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if (se & 0x8000)
r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-96/k_tanl.c b/sysdeps/ieee754/ldbl-96/k_tanl.c
index 43a5aa4423..462795574f 100644
--- a/sysdeps/ieee754/ldbl-96/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-96/k_tanl.c
@@ -140,7 +140,7 @@ __kernel_tanl (long double x, long double y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.8, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/soft-fp/s_ddivl.c b/sysdeps/ieee754/soft-fp/s_ddivl.c
index 07a6210319..e34244baf5 100644
--- a/sysdeps/ieee754/soft-fp/s_ddivl.c
+++ b/sysdeps/ieee754/soft-fp/s_ddivl.c
@@ -37,7 +37,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_dfmal.c b/sysdeps/ieee754/soft-fp/s_dfmal.c
index 9f537c527d..05fb1a7585 100644
--- a/sysdeps/ieee754/soft-fp/s_dfmal.c
+++ b/sysdeps/ieee754/soft-fp/s_dfmal.c
@@ -37,7 +37,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
diff --git a/sysdeps/ieee754/soft-fp/s_dsqrtl.c b/sysdeps/ieee754/soft-fp/s_dsqrtl.c
index 2b78065823..2e568009a4 100644
--- a/sysdeps/ieee754/soft-fp/s_dsqrtl.c
+++ b/sysdeps/ieee754/soft-fp/s_dsqrtl.c
@@ -35,7 +35,7 @@
does not see that they are set in all cases where they are used,
resulting in warnings that they may be used uninitialized. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fdiv.c b/sysdeps/ieee754/soft-fp/s_fdiv.c
index 8c92aa6fb2..4511c5ef67 100644
--- a/sysdeps/ieee754/soft-fp/s_fdiv.c
+++ b/sysdeps/ieee754/soft-fp/s_fdiv.c
@@ -34,7 +34,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
#include <double.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fdivl.c b/sysdeps/ieee754/soft-fp/s_fdivl.c
index b99c9e9335..7a45e29149 100644
--- a/sysdeps/ieee754/soft-fp/s_fdivl.c
+++ b/sysdeps/ieee754/soft-fp/s_fdivl.c
@@ -32,8 +32,7 @@
uninitialized. The location of the warning differs in different
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
-DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_ffma.c b/sysdeps/ieee754/soft-fp/s_ffma.c
index f63f4e2418..be3cf0caf5 100644
--- a/sysdeps/ieee754/soft-fp/s_ffma.c
+++ b/sysdeps/ieee754/soft-fp/s_ffma.c
@@ -35,7 +35,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
diff --git a/sysdeps/ieee754/soft-fp/s_ffmal.c b/sysdeps/ieee754/soft-fp/s_ffmal.c
index 6d723ed046..f3785b1a5b 100644
--- a/sysdeps/ieee754/soft-fp/s_ffmal.c
+++ b/sysdeps/ieee754/soft-fp/s_ffmal.c
@@ -33,7 +33,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fma.c b/sysdeps/ieee754/soft-fp/s_fma.c
index 67e31e6209..ffcbaf48b3 100644
--- a/sysdeps/ieee754/soft-fp/s_fma.c
+++ b/sysdeps/ieee754/soft-fp/s_fma.c
@@ -42,7 +42,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "double.h"
diff --git a/sysdeps/ieee754/soft-fp/s_fmaf.c b/sysdeps/ieee754/soft-fp/s_fmaf.c
index a57e949fa5..95e5a34e1b 100644
--- a/sysdeps/ieee754/soft-fp/s_fmaf.c
+++ b/sysdeps/ieee754/soft-fp/s_fmaf.c
@@ -37,7 +37,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "single.h"
diff --git a/sysdeps/ieee754/soft-fp/s_fmal.c b/sysdeps/ieee754/soft-fp/s_fmal.c
index 1973a21f19..22ffc7cebd 100644
--- a/sysdeps/ieee754/soft-fp/s_fmal.c
+++ b/sysdeps/ieee754/soft-fp/s_fmal.c
@@ -40,7 +40,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "quad.h"
diff --git a/sysdeps/ieee754/soft-fp/s_fsqrt.c b/sysdeps/ieee754/soft-fp/s_fsqrt.c
index f64ae8262c..5162bd17db 100644
--- a/sysdeps/ieee754/soft-fp/s_fsqrt.c
+++ b/sysdeps/ieee754/soft-fp/s_fsqrt.c
@@ -33,7 +33,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
#include <double.h>
diff --git a/sysdeps/unix/sysv/linux/convert_scm_timestamps.c b/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
index 3720bd9591..399fe597e3 100644
--- a/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
+++ b/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
@@ -51,7 +51,7 @@ __convert_scm_timestamps (struct msghdr *msg, socklen_t msgsize)
(done by either COMPAT_SO_TIMESTAMP_OLD or COMPAT_SO_TIMESTAMPNS_OLD)
which will fallthrough to 'common' label. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
int64_t tvts[2];
DIAG_POP_NEEDS_COMMENT;
int32_t tmp[2];
^ permalink raw reply [flat|nested] 7+ messages in thread
* [glibc/azanella/clang] Suppress -Wmaybe-uninitialized only for gcc
@ 2024-04-02 15:50 Adhemerval Zanella
0 siblings, 0 replies; 7+ messages in thread
From: Adhemerval Zanella @ 2024-04-02 15:50 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a032b6f3e12e11cb7ee3c1920e95596cfe76cdbc
commit a032b6f3e12e11cb7ee3c1920e95596cfe76cdbc
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Mar 9 15:51:50 2022 -0300
Suppress -Wmaybe-uninitialized only for gcc
The warning is not supported by clang.
Diff:
---
elf/dl-load.c | 2 +-
hurd/hurdsig.c | 2 +-
iconv/loop.c | 2 +-
iconvdata/iso-2022-cn-ext.c | 2 +-
include/libc-diag.h | 3 +++
inet/net-internal.h | 2 +-
locale/weight.h | 6 +++---
locale/weightwc.h | 8 ++++----
malloc/malloc-check.c | 2 +-
nis/nis_table.c | 2 +-
nptl/tst-thread-setspecific.c | 2 +-
nptl_db/thread_dbP.h | 2 +-
posix/fnmatch_loop.c | 6 +++---
posix/regexec.c | 2 +-
resolv/res_send.c | 10 +++++-----
stdio-common/vfscanf-internal.c | 2 +-
stdlib/bug-getcontext.c | 2 +-
string/strcoll_l.c | 4 ++--
string/wordcopy.c | 6 +++---
sunrpc/clnt_udp.c | 2 +-
sysdeps/ieee754/dbl-64/e_lgamma_r.c | 2 +-
sysdeps/ieee754/dbl-64/s_log1p.c | 2 +-
sysdeps/ieee754/flt-32/e_lgammaf_r.c | 2 +-
sysdeps/ieee754/flt-32/s_log1pf.c | 2 +-
sysdeps/ieee754/ldbl-128/k_tanl.c | 2 +-
sysdeps/ieee754/ldbl-128ibm/k_tanl.c | 2 +-
sysdeps/ieee754/ldbl-96/e_lgammal_r.c | 2 +-
sysdeps/ieee754/ldbl-96/k_tanl.c | 2 +-
sysdeps/ieee754/soft-fp/s_ddivl.c | 2 +-
sysdeps/ieee754/soft-fp/s_dfmal.c | 2 +-
sysdeps/ieee754/soft-fp/s_dsqrtl.c | 2 +-
sysdeps/ieee754/soft-fp/s_fdiv.c | 2 +-
sysdeps/ieee754/soft-fp/s_fdivl.c | 2 +-
sysdeps/ieee754/soft-fp/s_ffma.c | 2 +-
sysdeps/ieee754/soft-fp/s_ffmal.c | 2 +-
sysdeps/ieee754/soft-fp/s_fma.c | 2 +-
sysdeps/ieee754/soft-fp/s_fmaf.c | 2 +-
sysdeps/ieee754/soft-fp/s_fmal.c | 2 +-
sysdeps/ieee754/soft-fp/s_fsqrt.c | 2 +-
sysdeps/unix/sysv/linux/convert_scm_timestamps.c | 2 +-
40 files changed, 56 insertions(+), 53 deletions(-)
diff --git a/elf/dl-load.c b/elf/dl-load.c
index a34cb3559c..a3a175e4b9 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -1148,7 +1148,7 @@ _dl_map_object_from_fd (const char *name, const char *origname, int fd,
‘(((char *)loadcmds.113_68 + _933 + 16))[329406144173384849].mapend’ may be used uninitialized [-Wmaybe-uninitialized]
See: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106008
*/
- DIAG_IGNORE_NEEDS_COMMENT (11, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (11, "-Wmaybe-uninitialized");
#endif
/* Determine whether there is a gap between the last segment
and this one. */
diff --git a/hurd/hurdsig.c b/hurd/hurdsig.c
index 8b1928d1a1..a7b7bbcc58 100644
--- a/hurd/hurdsig.c
+++ b/hurd/hurdsig.c
@@ -376,7 +376,7 @@ interrupted_reply_port_location (thread_t thread,
/* GCC 6 and before seem to be confused by the setjmp call inside
_hurdsig_catch_memory_fault and think that we may be returning a second
time to here with portloc uninitialized (but we never do). */
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
/* Fault now if this pointer is bogus. */
*(volatile mach_port_t *) portloc = *portloc;
DIAG_POP_NEEDS_COMMENT;
diff --git a/iconv/loop.c b/iconv/loop.c
index 5340dafc70..ade4185f53 100644
--- a/iconv/loop.c
+++ b/iconv/loop.c
@@ -192,7 +192,7 @@
has a comment referencing this diagnostic disabling; updates in one
place may require updates in the other. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
/* Handling of Unicode 3.1 TAG characters. Unicode recommends
"If language codes are not relevant to the particular processing
operation, then they should be ignored." This macro is usually
diff --git a/iconvdata/iso-2022-cn-ext.c b/iconvdata/iso-2022-cn-ext.c
index b34c8a36f4..0be9278740 100644
--- a/iconvdata/iso-2022-cn-ext.c
+++ b/iconvdata/iso-2022-cn-ext.c
@@ -403,7 +403,7 @@ enum
involved in determining the code page and is the indicator that
tmpbuf[2] is initialized. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
#define BODY \
{ \
uint32_t ch; \
diff --git a/include/libc-diag.h b/include/libc-diag.h
index 7666a386f3..49e7457c6e 100644
--- a/include/libc-diag.h
+++ b/include/libc-diag.h
@@ -86,9 +86,12 @@
#ifndef __clang__
# define DIAG_IGNORE_NEEDS_COMMENT_GCC(VERSION, WARNING) \
DIAG_IGNORE_NEEDS_COMMENT (VERSION, WARNING)
+# define DIAG_IGNORE_Os_NEEDS_COMMENT_GCC(VERSION, WARNING) \
+ DIAG_IGNORE_Os_NEEDS_COMMENT (VERSION, WARNING)
# define DIAG_IGNORE_NEEDS_COMMENT_CLANG(version, option)
#else
# define DIAG_IGNORE_NEEDS_COMMENT_GCC(VERSION, WARNING)
+# define DIAG_IGNORE_Os_NEEDS_COMMENT_GCC(VERSION, WARNING)
# define DIAG_IGNORE_NEEDS_COMMENT_CLANG(version, option) \
_Pragma (_DIAG_STR (clang diagnostic ignored option))
#endif
diff --git a/inet/net-internal.h b/inet/net-internal.h
index f5749a8662..ad71fbecf0 100644
--- a/inet/net-internal.h
+++ b/inet/net-internal.h
@@ -106,7 +106,7 @@ __deadline_is_infinite (struct deadline deadline)
* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91691
*/
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
/* Return true if the current time is at the deadline or past it. */
static inline bool
diff --git a/locale/weight.h b/locale/weight.h
index 4c5e8b7a73..7cabfec2bb 100644
--- a/locale/weight.h
+++ b/locale/weight.h
@@ -32,7 +32,7 @@ findidx (const int32_t *table,
This uninitialized use is impossible for the same reason
as described in comments in locale/weightwc.h. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
int32_t i = table[*(*cpp)++];
DIAG_POP_NEEDS_COMMENT;
const unsigned char *cp;
@@ -75,7 +75,7 @@ findidx (const int32_t *table,
of -1 for len at the same time which means that this loop
never executes. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
for (cnt = 0; cnt < nhere && cnt < len; ++cnt)
if (cp[cnt] != usrc[cnt])
break;
@@ -144,7 +144,7 @@ findidx (const int32_t *table,
is impossible for the same reason as described
above. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
offset += usrc[cnt] - cp[cnt];
DIAG_POP_NEEDS_COMMENT;
}
diff --git a/locale/weightwc.h b/locale/weightwc.h
index 5fce8d4448..7072e19017 100644
--- a/locale/weightwc.h
+++ b/locale/weightwc.h
@@ -33,7 +33,7 @@ findidx (const int32_t *table,
called except in cases where those fields have been
initialized. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
wint_t ch = *(*cpp)++;
DIAG_POP_NEEDS_COMMENT;
int32_t i = __collidx_table_lookup ((const char *) table, ch);
@@ -74,7 +74,7 @@ findidx (const int32_t *table,
of -1 for len at the same time which means that this loop
never executes. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
for (cnt = 0; cnt < nhere && cnt < len; ++cnt)
if (cp[cnt] != usrc[cnt])
break;
@@ -102,7 +102,7 @@ findidx (const int32_t *table,
might be used uninitialized. This is impossible for the
same reason as described above. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
for (cnt = 0; cnt < nhere - 1 && cnt < len; ++cnt)
if (cp[cnt] != usrc[cnt])
break;
@@ -119,7 +119,7 @@ findidx (const int32_t *table,
might be used uninitialized. This is impossible for the
same reason as described above. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
if (cp[nhere - 1] > usrc[nhere - 1])
{
cp += 2 * nhere;
diff --git a/malloc/malloc-check.c b/malloc/malloc-check.c
index da1158b333..0ccc7672d9 100644
--- a/malloc/malloc-check.c
+++ b/malloc/malloc-check.c
@@ -319,7 +319,7 @@ realloc_check (void *oldmem, size_t bytes)
#if __GNUC_PREREQ (7, 0)
/* GCC 7 warns about magic_p may be used uninitialized. But we never
reach here if magic_p is uninitialized. */
- DIAG_IGNORE_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
#endif
/* mem2chunk_check changed the magic byte in the old chunk.
If newmem is NULL, then the old chunk will still be used though,
diff --git a/nis/nis_table.c b/nis/nis_table.c
index 56c1aa262d..399c16cb86 100644
--- a/nis/nis_table.c
+++ b/nis/nis_table.c
@@ -180,7 +180,7 @@ __follow_path (char **tablepath, char **tableptr, struct ib_request *ibreq,
/* Since tableptr is only set here, and it's set when tablepath is NULL,
which it is initially defined as, we know it will always be set here. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.7, "-Wmaybe-uninitialized");
if (*tableptr == NULL)
return NIS_NOTFOUND;
diff --git a/nptl/tst-thread-setspecific.c b/nptl/tst-thread-setspecific.c
index 462c9f0d2b..0008a8ee2f 100644
--- a/nptl/tst-thread-setspecific.c
+++ b/nptl/tst-thread-setspecific.c
@@ -25,7 +25,7 @@
See BZ #27714. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
DIAG_IGNORE_NEEDS_COMMENT (6, "-Wuninitialized");
static int
diff --git a/nptl_db/thread_dbP.h b/nptl_db/thread_dbP.h
index 72d5558845..aa9b614cb0 100644
--- a/nptl_db/thread_dbP.h
+++ b/nptl_db/thread_dbP.h
@@ -176,7 +176,7 @@ extern ps_err_e td_mod_lookup (struct ps_prochandle *ps, const char *modname,
when DB_GET_FIELD_ADDRESS is called with a slot for ptr, the slot is
always initialized. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
#define DB_GET_FIELD_ADDRESS(var, ta, ptr, type, field, idx) \
((var) = (ptr), _td_locate_field ((ta), (ta)->ta_field_##type##_##field, \
SYM_##type##_FIELD_##field, \
diff --git a/posix/fnmatch_loop.c b/posix/fnmatch_loop.c
index 6994a09ab5..17fcb58bf4 100644
--- a/posix/fnmatch_loop.c
+++ b/posix/fnmatch_loop.c
@@ -560,7 +560,7 @@ FCT (const CHAR *pattern, const CHAR *string, const CHAR *string_end,
above it will be properly set by the loop.
*/
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
cold = wextra[1 + wextra[0]];
DIAG_POP_NEEDS_COMMENT;
# else
@@ -745,7 +745,7 @@ FCT (const CHAR *pattern, const CHAR *string, const CHAR *string_end,
means that it was properly set in the
loop above. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
cend = wextra[1 + wextra[0]];
DIAG_POP_NEEDS_COMMENT;
# else
@@ -754,7 +754,7 @@ FCT (const CHAR *pattern, const CHAR *string, const CHAR *string_end,
wextra above it will be properly set by
the loop. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
idx += 1 + extra[idx];
DIAG_POP_NEEDS_COMMENT;
/* Adjust for the alignment. */
diff --git a/posix/regexec.c b/posix/regexec.c
index 180e3bce40..13add301f5 100644
--- a/posix/regexec.c
+++ b/posix/regexec.c
@@ -3772,7 +3772,7 @@ check_node_accept_bytes (const re_dfa_t *dfa, Idx node_idx,
however the loop will be executed iff ncoll_syms is larger
than 0,which means extra will be already initialized. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
const unsigned char *coll_sym = extra + cset->coll_syms[i];
DIAG_POP_NEEDS_COMMENT;
/* Compare the length of input collating element and
diff --git a/resolv/res_send.c b/resolv/res_send.c
index fb0217204a..c314d9762a 100644
--- a/resolv/res_send.c
+++ b/resolv/res_send.c
@@ -266,7 +266,7 @@ __res_context_send (struct resolv_context *ctx,
Here the variable n is set to the return value of send_vc.
See below. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
int n;
DIAG_POP_NEEDS_COMMENT;
@@ -364,7 +364,7 @@ __res_context_send (struct resolv_context *ctx,
return (-1);
/* See comment at the declaration of n. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
if (n == 0 && (buf2 == NULL || *resplen2 == 0))
goto next_ns;
DIAG_POP_NEEDS_COMMENT;
@@ -388,7 +388,7 @@ __res_context_send (struct resolv_context *ctx,
/* See comment at the declaration of n. Note: resplen = n; */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
/* Mask the AD bit in both responses unless it is
marked trusted. */
if (resplen > HFIXEDSZ)
@@ -580,7 +580,7 @@ send_vc(res_state statp,
a false-positive.
*/
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
int resplen;
DIAG_POP_NEEDS_COMMENT;
struct iovec iov[4];
@@ -852,7 +852,7 @@ reopen (res_state statp, int *terrno, int ns)
the function return -1 before control flow reaches
the call to connect with slen. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (__connect (EXT (statp).nssocks[ns], nsap, slen) < 0) {
DIAG_POP_NEEDS_COMMENT;
__res_iclose(statp, false);
diff --git a/stdio-common/vfscanf-internal.c b/stdio-common/vfscanf-internal.c
index 1b82deffa7..eb66506ca3 100644
--- a/stdio-common/vfscanf-internal.c
+++ b/stdio-common/vfscanf-internal.c
@@ -1608,7 +1608,7 @@ __vfscanf_internal (FILE *s, const char *format, va_list argptr,
above, but the test for "map != NULL" is done
inside the loop here and outside the loop there. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.7, "-Wmaybe-uninitialized");
if (__glibc_unlikely (map != NULL))
wcdigits[n] = digits_extended[n];
diff --git a/stdlib/bug-getcontext.c b/stdlib/bug-getcontext.c
index 55c681c480..9e5e6c7e1c 100644
--- a/stdlib/bug-getcontext.c
+++ b/stdlib/bug-getcontext.c
@@ -56,7 +56,7 @@ do_test (void)
in local variables being clobbered on the second return from
getcontext), in fact an uninitialized use is not possible. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
int mask = fegetexcept ();
if (mask != except_mask)
{
diff --git a/string/strcoll_l.c b/string/strcoll_l.c
index 06aa1423c0..d68b12e79a 100644
--- a/string/strcoll_l.c
+++ b/string/strcoll_l.c
@@ -180,7 +180,7 @@ get_next_seq (coll_seq *seq, int nrules, const unsigned char *rulesets,
ensures that seq->save_idx was saved to first and contains a
valid value. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
len = weights[idx++];
DIAG_POP_NEEDS_COMMENT;
/* Skip over indices of previous levels. */
@@ -299,7 +299,7 @@ STRCOLL (const STRING_TYPE *s1, const STRING_TYPE *s2, locale_t l)
seq2. This uninitialized use is impossible for the same reason
as described in comments in locale/weightwc.h. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
coll_seq seq1, seq2;
DIAG_POP_NEEDS_COMMENT;
seq1.len = 0;
diff --git a/string/wordcopy.c b/string/wordcopy.c
index 4e77cdb132..083daa658c 100644
--- a/string/wordcopy.c
+++ b/string/wordcopy.c
@@ -29,7 +29,7 @@
Since the usage is within the MERGE macro we disable the
warning in the definition, but only in this file. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
#include <memcopy.h>
DIAG_POP_NEEDS_COMMENT;
@@ -112,7 +112,7 @@ WORDCOPY_FWD_ALIGNED (long int dstp, long int srcp, size_t len)
case. The switch case always sets 'a1' and all previous loop
iterations will also have set 'a1' before the use. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
((op_t *) dstp)[0] = a1;
DIAG_POP_NEEDS_COMMENT;
do7:
@@ -313,7 +313,7 @@ WORDCOPY_BWD_ALIGNED (long int dstp, long int srcp, size_t len)
a0 = ((op_t *) srcp)[7];
/* Check the comment on WORDCOPY_FWD_ALIGNED. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
((op_t *) dstp)[7] = a1;
DIAG_POP_NEEDS_COMMENT;
do7:
diff --git a/sunrpc/clnt_udp.c b/sunrpc/clnt_udp.c
index ee79b09b40..4353e5da18 100644
--- a/sunrpc/clnt_udp.c
+++ b/sunrpc/clnt_udp.c
@@ -299,7 +299,7 @@ clntudp_call (/* client handle */
inet/net-internal.h because in some other configurations GCC
gives the warning in an inline function. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (10, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (10, "-Wmaybe-uninitialized");
struct deadline total_deadline; /* Determined once by overall timeout. */
DIAG_POP_NEEDS_COMMENT;
struct deadline response_deadline; /* Determined anew for each query. */
diff --git a/sysdeps/ieee754/dbl-64/e_lgamma_r.c b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
index 72c68b6682..c298c8ca03 100644
--- a/sysdeps/ieee754/dbl-64/e_lgamma_r.c
+++ b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
@@ -304,7 +304,7 @@ __ieee754_lgamma_r(double x, int *signgamp)
although in the cases where it is used it has always been
set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if(hx<0) r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
return r;
diff --git a/sysdeps/ieee754/dbl-64/s_log1p.c b/sysdeps/ieee754/dbl-64/s_log1p.c
index eeb0af859f..f52c0124fc 100644
--- a/sysdeps/ieee754/dbl-64/s_log1p.c
+++ b/sysdeps/ieee754/dbl-64/s_log1p.c
@@ -205,7 +205,7 @@ __log1p (double x)
must be 0 for c to be uninitialized and we handled that
computation earlier without using c. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
return k * ln2_hi - ((hfsq - (s * (hfsq + R) + (k * ln2_lo + c))) - f);
DIAG_POP_NEEDS_COMMENT;
}
diff --git a/sysdeps/ieee754/flt-32/e_lgammaf_r.c b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
index a1a3a60454..77dc54eaeb 100644
--- a/sysdeps/ieee754/flt-32/e_lgammaf_r.c
+++ b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
@@ -239,7 +239,7 @@ __ieee754_lgammaf_r(float x, int *signgamp)
although in the cases where it is used it has always been
set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if(hx<0) r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
return r;
diff --git a/sysdeps/ieee754/flt-32/s_log1pf.c b/sysdeps/ieee754/flt-32/s_log1pf.c
index 555f0f82c8..cddc0f1e09 100644
--- a/sysdeps/ieee754/flt-32/s_log1pf.c
+++ b/sysdeps/ieee754/flt-32/s_log1pf.c
@@ -108,7 +108,7 @@ __log1pf(float x)
because k must be 0 for c to be uninitialized and we
handled that computation earlier without using c. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
return k * ln2_hi - ((hfsq - (s * (hfsq + R)
+ (k * ln2_lo + c))) - f);
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-128/k_tanl.c b/sysdeps/ieee754/ldbl-128/k_tanl.c
index 8e93626a89..af10fbc64b 100644
--- a/sysdeps/ieee754/ldbl-128/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-128/k_tanl.c
@@ -143,7 +143,7 @@ __kernel_tanl (_Float128 x, _Float128 y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-128ibm/k_tanl.c b/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
index cd95e46089..7a42a18e55 100644
--- a/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
@@ -143,7 +143,7 @@ __kernel_tanl (long double x, long double y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-96/e_lgammal_r.c b/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
index 148c21bb8d..d4fd7f5272 100644
--- a/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
+++ b/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
@@ -431,7 +431,7 @@ __ieee754_lgammal_r (long double x, int *signgamp)
in warnings that it may be used uninitialized although in the
cases where it is used it has always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if (se & 0x8000)
r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-96/k_tanl.c b/sysdeps/ieee754/ldbl-96/k_tanl.c
index 43a5aa4423..462795574f 100644
--- a/sysdeps/ieee754/ldbl-96/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-96/k_tanl.c
@@ -140,7 +140,7 @@ __kernel_tanl (long double x, long double y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.8, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/soft-fp/s_ddivl.c b/sysdeps/ieee754/soft-fp/s_ddivl.c
index 07a6210319..e34244baf5 100644
--- a/sysdeps/ieee754/soft-fp/s_ddivl.c
+++ b/sysdeps/ieee754/soft-fp/s_ddivl.c
@@ -37,7 +37,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_dfmal.c b/sysdeps/ieee754/soft-fp/s_dfmal.c
index 9f537c527d..05fb1a7585 100644
--- a/sysdeps/ieee754/soft-fp/s_dfmal.c
+++ b/sysdeps/ieee754/soft-fp/s_dfmal.c
@@ -37,7 +37,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
diff --git a/sysdeps/ieee754/soft-fp/s_dsqrtl.c b/sysdeps/ieee754/soft-fp/s_dsqrtl.c
index 2b78065823..2e568009a4 100644
--- a/sysdeps/ieee754/soft-fp/s_dsqrtl.c
+++ b/sysdeps/ieee754/soft-fp/s_dsqrtl.c
@@ -35,7 +35,7 @@
does not see that they are set in all cases where they are used,
resulting in warnings that they may be used uninitialized. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fdiv.c b/sysdeps/ieee754/soft-fp/s_fdiv.c
index 8c92aa6fb2..4511c5ef67 100644
--- a/sysdeps/ieee754/soft-fp/s_fdiv.c
+++ b/sysdeps/ieee754/soft-fp/s_fdiv.c
@@ -34,7 +34,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
#include <double.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fdivl.c b/sysdeps/ieee754/soft-fp/s_fdivl.c
index b99c9e9335..54d4b760f5 100644
--- a/sysdeps/ieee754/soft-fp/s_fdivl.c
+++ b/sysdeps/ieee754/soft-fp/s_fdivl.c
@@ -33,7 +33,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+(8);
#include <soft-fp.h>
#include <single.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_ffma.c b/sysdeps/ieee754/soft-fp/s_ffma.c
index f63f4e2418..be3cf0caf5 100644
--- a/sysdeps/ieee754/soft-fp/s_ffma.c
+++ b/sysdeps/ieee754/soft-fp/s_ffma.c
@@ -35,7 +35,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
diff --git a/sysdeps/ieee754/soft-fp/s_ffmal.c b/sysdeps/ieee754/soft-fp/s_ffmal.c
index 6d723ed046..f3785b1a5b 100644
--- a/sysdeps/ieee754/soft-fp/s_ffmal.c
+++ b/sysdeps/ieee754/soft-fp/s_ffmal.c
@@ -33,7 +33,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fma.c b/sysdeps/ieee754/soft-fp/s_fma.c
index 67e31e6209..ffcbaf48b3 100644
--- a/sysdeps/ieee754/soft-fp/s_fma.c
+++ b/sysdeps/ieee754/soft-fp/s_fma.c
@@ -42,7 +42,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "double.h"
diff --git a/sysdeps/ieee754/soft-fp/s_fmaf.c b/sysdeps/ieee754/soft-fp/s_fmaf.c
index a57e949fa5..95e5a34e1b 100644
--- a/sysdeps/ieee754/soft-fp/s_fmaf.c
+++ b/sysdeps/ieee754/soft-fp/s_fmaf.c
@@ -37,7 +37,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "single.h"
diff --git a/sysdeps/ieee754/soft-fp/s_fmal.c b/sysdeps/ieee754/soft-fp/s_fmal.c
index 1973a21f19..22ffc7cebd 100644
--- a/sysdeps/ieee754/soft-fp/s_fmal.c
+++ b/sysdeps/ieee754/soft-fp/s_fmal.c
@@ -40,7 +40,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "quad.h"
diff --git a/sysdeps/ieee754/soft-fp/s_fsqrt.c b/sysdeps/ieee754/soft-fp/s_fsqrt.c
index f64ae8262c..5162bd17db 100644
--- a/sysdeps/ieee754/soft-fp/s_fsqrt.c
+++ b/sysdeps/ieee754/soft-fp/s_fsqrt.c
@@ -33,7 +33,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
#include <double.h>
diff --git a/sysdeps/unix/sysv/linux/convert_scm_timestamps.c b/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
index 3720bd9591..399fe597e3 100644
--- a/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
+++ b/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
@@ -51,7 +51,7 @@ __convert_scm_timestamps (struct msghdr *msg, socklen_t msgsize)
(done by either COMPAT_SO_TIMESTAMP_OLD or COMPAT_SO_TIMESTAMPNS_OLD)
which will fallthrough to 'common' label. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
int64_t tvts[2];
DIAG_POP_NEEDS_COMMENT;
int32_t tmp[2];
^ permalink raw reply [flat|nested] 7+ messages in thread
* [glibc/azanella/clang] Suppress -Wmaybe-uninitialized only for gcc
@ 2024-02-09 17:28 Adhemerval Zanella
0 siblings, 0 replies; 7+ messages in thread
From: Adhemerval Zanella @ 2024-02-09 17:28 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1cdfb47469f7ceee6ea9d65ee26fff0999c51237
commit 1cdfb47469f7ceee6ea9d65ee26fff0999c51237
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Mar 9 15:51:50 2022 -0300
Suppress -Wmaybe-uninitialized only for gcc
The warning is not supported by clang.
Diff:
---
elf/dl-load.c | 2 +-
hurd/hurdsig.c | 2 +-
iconv/loop.c | 2 +-
iconvdata/iso-2022-cn-ext.c | 2 +-
include/libc-diag.h | 3 +++
inet/net-internal.h | 2 +-
locale/weight.h | 6 +++---
locale/weightwc.h | 8 ++++----
malloc/malloc-check.c | 2 +-
nis/nis_table.c | 2 +-
nptl/tst-thread-setspecific.c | 2 +-
nptl_db/thread_dbP.h | 2 +-
posix/fnmatch_loop.c | 6 +++---
posix/regexec.c | 2 +-
resolv/res_send.c | 10 +++++-----
stdio-common/vfscanf-internal.c | 2 +-
stdlib/bug-getcontext.c | 2 +-
string/strcoll_l.c | 4 ++--
string/wordcopy.c | 6 +++---
sunrpc/clnt_udp.c | 2 +-
sysdeps/ieee754/dbl-64/e_lgamma_r.c | 2 +-
sysdeps/ieee754/dbl-64/s_log1p.c | 2 +-
sysdeps/ieee754/flt-32/e_lgammaf_r.c | 2 +-
sysdeps/ieee754/flt-32/s_log1pf.c | 2 +-
sysdeps/ieee754/ldbl-128/k_tanl.c | 2 +-
sysdeps/ieee754/ldbl-128ibm/k_tanl.c | 2 +-
sysdeps/ieee754/ldbl-96/e_lgammal_r.c | 2 +-
sysdeps/ieee754/ldbl-96/k_tanl.c | 2 +-
sysdeps/ieee754/soft-fp/s_ddivl.c | 2 +-
sysdeps/ieee754/soft-fp/s_dfmal.c | 2 +-
sysdeps/ieee754/soft-fp/s_dsqrtl.c | 2 +-
sysdeps/ieee754/soft-fp/s_fdiv.c | 2 +-
sysdeps/ieee754/soft-fp/s_fdivl.c | 2 +-
sysdeps/ieee754/soft-fp/s_ffma.c | 2 +-
sysdeps/ieee754/soft-fp/s_ffmal.c | 2 +-
sysdeps/ieee754/soft-fp/s_fma.c | 2 +-
sysdeps/ieee754/soft-fp/s_fmaf.c | 2 +-
sysdeps/ieee754/soft-fp/s_fmal.c | 2 +-
sysdeps/ieee754/soft-fp/s_fsqrt.c | 2 +-
sysdeps/unix/sysv/linux/convert_scm_timestamps.c | 2 +-
40 files changed, 56 insertions(+), 53 deletions(-)
diff --git a/elf/dl-load.c b/elf/dl-load.c
index a34cb3559c..a3a175e4b9 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -1148,7 +1148,7 @@ _dl_map_object_from_fd (const char *name, const char *origname, int fd,
‘(((char *)loadcmds.113_68 + _933 + 16))[329406144173384849].mapend’ may be used uninitialized [-Wmaybe-uninitialized]
See: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106008
*/
- DIAG_IGNORE_NEEDS_COMMENT (11, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (11, "-Wmaybe-uninitialized");
#endif
/* Determine whether there is a gap between the last segment
and this one. */
diff --git a/hurd/hurdsig.c b/hurd/hurdsig.c
index 882a03471d..3164f3be5f 100644
--- a/hurd/hurdsig.c
+++ b/hurd/hurdsig.c
@@ -376,7 +376,7 @@ interrupted_reply_port_location (thread_t thread,
/* GCC 6 and before seem to be confused by the setjmp call inside
_hurdsig_catch_memory_fault and think that we may be returning a second
time to here with portloc uninitialized (but we never do). */
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
/* Fault now if this pointer is bogus. */
*(volatile mach_port_t *) portloc = *portloc;
DIAG_POP_NEEDS_COMMENT;
diff --git a/iconv/loop.c b/iconv/loop.c
index 5340dafc70..ade4185f53 100644
--- a/iconv/loop.c
+++ b/iconv/loop.c
@@ -192,7 +192,7 @@
has a comment referencing this diagnostic disabling; updates in one
place may require updates in the other. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
/* Handling of Unicode 3.1 TAG characters. Unicode recommends
"If language codes are not relevant to the particular processing
operation, then they should be ignored." This macro is usually
diff --git a/iconvdata/iso-2022-cn-ext.c b/iconvdata/iso-2022-cn-ext.c
index b34c8a36f4..0be9278740 100644
--- a/iconvdata/iso-2022-cn-ext.c
+++ b/iconvdata/iso-2022-cn-ext.c
@@ -403,7 +403,7 @@ enum
involved in determining the code page and is the indicator that
tmpbuf[2] is initialized. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
#define BODY \
{ \
uint32_t ch; \
diff --git a/include/libc-diag.h b/include/libc-diag.h
index 7666a386f3..49e7457c6e 100644
--- a/include/libc-diag.h
+++ b/include/libc-diag.h
@@ -86,9 +86,12 @@
#ifndef __clang__
# define DIAG_IGNORE_NEEDS_COMMENT_GCC(VERSION, WARNING) \
DIAG_IGNORE_NEEDS_COMMENT (VERSION, WARNING)
+# define DIAG_IGNORE_Os_NEEDS_COMMENT_GCC(VERSION, WARNING) \
+ DIAG_IGNORE_Os_NEEDS_COMMENT (VERSION, WARNING)
# define DIAG_IGNORE_NEEDS_COMMENT_CLANG(version, option)
#else
# define DIAG_IGNORE_NEEDS_COMMENT_GCC(VERSION, WARNING)
+# define DIAG_IGNORE_Os_NEEDS_COMMENT_GCC(VERSION, WARNING)
# define DIAG_IGNORE_NEEDS_COMMENT_CLANG(version, option) \
_Pragma (_DIAG_STR (clang diagnostic ignored option))
#endif
diff --git a/inet/net-internal.h b/inet/net-internal.h
index f5749a8662..ad71fbecf0 100644
--- a/inet/net-internal.h
+++ b/inet/net-internal.h
@@ -106,7 +106,7 @@ __deadline_is_infinite (struct deadline deadline)
* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91691
*/
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
/* Return true if the current time is at the deadline or past it. */
static inline bool
diff --git a/locale/weight.h b/locale/weight.h
index 4c5e8b7a73..7cabfec2bb 100644
--- a/locale/weight.h
+++ b/locale/weight.h
@@ -32,7 +32,7 @@ findidx (const int32_t *table,
This uninitialized use is impossible for the same reason
as described in comments in locale/weightwc.h. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
int32_t i = table[*(*cpp)++];
DIAG_POP_NEEDS_COMMENT;
const unsigned char *cp;
@@ -75,7 +75,7 @@ findidx (const int32_t *table,
of -1 for len at the same time which means that this loop
never executes. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
for (cnt = 0; cnt < nhere && cnt < len; ++cnt)
if (cp[cnt] != usrc[cnt])
break;
@@ -144,7 +144,7 @@ findidx (const int32_t *table,
is impossible for the same reason as described
above. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
offset += usrc[cnt] - cp[cnt];
DIAG_POP_NEEDS_COMMENT;
}
diff --git a/locale/weightwc.h b/locale/weightwc.h
index 5fce8d4448..7072e19017 100644
--- a/locale/weightwc.h
+++ b/locale/weightwc.h
@@ -33,7 +33,7 @@ findidx (const int32_t *table,
called except in cases where those fields have been
initialized. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
wint_t ch = *(*cpp)++;
DIAG_POP_NEEDS_COMMENT;
int32_t i = __collidx_table_lookup ((const char *) table, ch);
@@ -74,7 +74,7 @@ findidx (const int32_t *table,
of -1 for len at the same time which means that this loop
never executes. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
for (cnt = 0; cnt < nhere && cnt < len; ++cnt)
if (cp[cnt] != usrc[cnt])
break;
@@ -102,7 +102,7 @@ findidx (const int32_t *table,
might be used uninitialized. This is impossible for the
same reason as described above. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
for (cnt = 0; cnt < nhere - 1 && cnt < len; ++cnt)
if (cp[cnt] != usrc[cnt])
break;
@@ -119,7 +119,7 @@ findidx (const int32_t *table,
might be used uninitialized. This is impossible for the
same reason as described above. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
if (cp[nhere - 1] > usrc[nhere - 1])
{
cp += 2 * nhere;
diff --git a/malloc/malloc-check.c b/malloc/malloc-check.c
index da1158b333..0ccc7672d9 100644
--- a/malloc/malloc-check.c
+++ b/malloc/malloc-check.c
@@ -319,7 +319,7 @@ realloc_check (void *oldmem, size_t bytes)
#if __GNUC_PREREQ (7, 0)
/* GCC 7 warns about magic_p may be used uninitialized. But we never
reach here if magic_p is uninitialized. */
- DIAG_IGNORE_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
#endif
/* mem2chunk_check changed the magic byte in the old chunk.
If newmem is NULL, then the old chunk will still be used though,
diff --git a/nis/nis_table.c b/nis/nis_table.c
index 56c1aa262d..399c16cb86 100644
--- a/nis/nis_table.c
+++ b/nis/nis_table.c
@@ -180,7 +180,7 @@ __follow_path (char **tablepath, char **tableptr, struct ib_request *ibreq,
/* Since tableptr is only set here, and it's set when tablepath is NULL,
which it is initially defined as, we know it will always be set here. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.7, "-Wmaybe-uninitialized");
if (*tableptr == NULL)
return NIS_NOTFOUND;
diff --git a/nptl/tst-thread-setspecific.c b/nptl/tst-thread-setspecific.c
index 462c9f0d2b..0008a8ee2f 100644
--- a/nptl/tst-thread-setspecific.c
+++ b/nptl/tst-thread-setspecific.c
@@ -25,7 +25,7 @@
See BZ #27714. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
DIAG_IGNORE_NEEDS_COMMENT (6, "-Wuninitialized");
static int
diff --git a/nptl_db/thread_dbP.h b/nptl_db/thread_dbP.h
index 72d5558845..aa9b614cb0 100644
--- a/nptl_db/thread_dbP.h
+++ b/nptl_db/thread_dbP.h
@@ -176,7 +176,7 @@ extern ps_err_e td_mod_lookup (struct ps_prochandle *ps, const char *modname,
when DB_GET_FIELD_ADDRESS is called with a slot for ptr, the slot is
always initialized. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
#define DB_GET_FIELD_ADDRESS(var, ta, ptr, type, field, idx) \
((var) = (ptr), _td_locate_field ((ta), (ta)->ta_field_##type##_##field, \
SYM_##type##_FIELD_##field, \
diff --git a/posix/fnmatch_loop.c b/posix/fnmatch_loop.c
index 6994a09ab5..17fcb58bf4 100644
--- a/posix/fnmatch_loop.c
+++ b/posix/fnmatch_loop.c
@@ -560,7 +560,7 @@ FCT (const CHAR *pattern, const CHAR *string, const CHAR *string_end,
above it will be properly set by the loop.
*/
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
cold = wextra[1 + wextra[0]];
DIAG_POP_NEEDS_COMMENT;
# else
@@ -745,7 +745,7 @@ FCT (const CHAR *pattern, const CHAR *string, const CHAR *string_end,
means that it was properly set in the
loop above. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
cend = wextra[1 + wextra[0]];
DIAG_POP_NEEDS_COMMENT;
# else
@@ -754,7 +754,7 @@ FCT (const CHAR *pattern, const CHAR *string, const CHAR *string_end,
wextra above it will be properly set by
the loop. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
idx += 1 + extra[idx];
DIAG_POP_NEEDS_COMMENT;
/* Adjust for the alignment. */
diff --git a/posix/regexec.c b/posix/regexec.c
index 180e3bce40..13add301f5 100644
--- a/posix/regexec.c
+++ b/posix/regexec.c
@@ -3772,7 +3772,7 @@ check_node_accept_bytes (const re_dfa_t *dfa, Idx node_idx,
however the loop will be executed iff ncoll_syms is larger
than 0,which means extra will be already initialized. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
const unsigned char *coll_sym = extra + cset->coll_syms[i];
DIAG_POP_NEEDS_COMMENT;
/* Compare the length of input collating element and
diff --git a/resolv/res_send.c b/resolv/res_send.c
index fb0217204a..c314d9762a 100644
--- a/resolv/res_send.c
+++ b/resolv/res_send.c
@@ -266,7 +266,7 @@ __res_context_send (struct resolv_context *ctx,
Here the variable n is set to the return value of send_vc.
See below. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
int n;
DIAG_POP_NEEDS_COMMENT;
@@ -364,7 +364,7 @@ __res_context_send (struct resolv_context *ctx,
return (-1);
/* See comment at the declaration of n. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
if (n == 0 && (buf2 == NULL || *resplen2 == 0))
goto next_ns;
DIAG_POP_NEEDS_COMMENT;
@@ -388,7 +388,7 @@ __res_context_send (struct resolv_context *ctx,
/* See comment at the declaration of n. Note: resplen = n; */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
/* Mask the AD bit in both responses unless it is
marked trusted. */
if (resplen > HFIXEDSZ)
@@ -580,7 +580,7 @@ send_vc(res_state statp,
a false-positive.
*/
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
int resplen;
DIAG_POP_NEEDS_COMMENT;
struct iovec iov[4];
@@ -852,7 +852,7 @@ reopen (res_state statp, int *terrno, int ns)
the function return -1 before control flow reaches
the call to connect with slen. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (__connect (EXT (statp).nssocks[ns], nsap, slen) < 0) {
DIAG_POP_NEEDS_COMMENT;
__res_iclose(statp, false);
diff --git a/stdio-common/vfscanf-internal.c b/stdio-common/vfscanf-internal.c
index 1b82deffa7..eb66506ca3 100644
--- a/stdio-common/vfscanf-internal.c
+++ b/stdio-common/vfscanf-internal.c
@@ -1608,7 +1608,7 @@ __vfscanf_internal (FILE *s, const char *format, va_list argptr,
above, but the test for "map != NULL" is done
inside the loop here and outside the loop there. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.7, "-Wmaybe-uninitialized");
if (__glibc_unlikely (map != NULL))
wcdigits[n] = digits_extended[n];
diff --git a/stdlib/bug-getcontext.c b/stdlib/bug-getcontext.c
index 55c681c480..9e5e6c7e1c 100644
--- a/stdlib/bug-getcontext.c
+++ b/stdlib/bug-getcontext.c
@@ -56,7 +56,7 @@ do_test (void)
in local variables being clobbered on the second return from
getcontext), in fact an uninitialized use is not possible. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
int mask = fegetexcept ();
if (mask != except_mask)
{
diff --git a/string/strcoll_l.c b/string/strcoll_l.c
index 06aa1423c0..d68b12e79a 100644
--- a/string/strcoll_l.c
+++ b/string/strcoll_l.c
@@ -180,7 +180,7 @@ get_next_seq (coll_seq *seq, int nrules, const unsigned char *rulesets,
ensures that seq->save_idx was saved to first and contains a
valid value. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
len = weights[idx++];
DIAG_POP_NEEDS_COMMENT;
/* Skip over indices of previous levels. */
@@ -299,7 +299,7 @@ STRCOLL (const STRING_TYPE *s1, const STRING_TYPE *s2, locale_t l)
seq2. This uninitialized use is impossible for the same reason
as described in comments in locale/weightwc.h. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
coll_seq seq1, seq2;
DIAG_POP_NEEDS_COMMENT;
seq1.len = 0;
diff --git a/string/wordcopy.c b/string/wordcopy.c
index 4e77cdb132..083daa658c 100644
--- a/string/wordcopy.c
+++ b/string/wordcopy.c
@@ -29,7 +29,7 @@
Since the usage is within the MERGE macro we disable the
warning in the definition, but only in this file. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
#include <memcopy.h>
DIAG_POP_NEEDS_COMMENT;
@@ -112,7 +112,7 @@ WORDCOPY_FWD_ALIGNED (long int dstp, long int srcp, size_t len)
case. The switch case always sets 'a1' and all previous loop
iterations will also have set 'a1' before the use. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
((op_t *) dstp)[0] = a1;
DIAG_POP_NEEDS_COMMENT;
do7:
@@ -313,7 +313,7 @@ WORDCOPY_BWD_ALIGNED (long int dstp, long int srcp, size_t len)
a0 = ((op_t *) srcp)[7];
/* Check the comment on WORDCOPY_FWD_ALIGNED. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
((op_t *) dstp)[7] = a1;
DIAG_POP_NEEDS_COMMENT;
do7:
diff --git a/sunrpc/clnt_udp.c b/sunrpc/clnt_udp.c
index ee79b09b40..4353e5da18 100644
--- a/sunrpc/clnt_udp.c
+++ b/sunrpc/clnt_udp.c
@@ -299,7 +299,7 @@ clntudp_call (/* client handle */
inet/net-internal.h because in some other configurations GCC
gives the warning in an inline function. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (10, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (10, "-Wmaybe-uninitialized");
struct deadline total_deadline; /* Determined once by overall timeout. */
DIAG_POP_NEEDS_COMMENT;
struct deadline response_deadline; /* Determined anew for each query. */
diff --git a/sysdeps/ieee754/dbl-64/e_lgamma_r.c b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
index 72c68b6682..c298c8ca03 100644
--- a/sysdeps/ieee754/dbl-64/e_lgamma_r.c
+++ b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
@@ -304,7 +304,7 @@ __ieee754_lgamma_r(double x, int *signgamp)
although in the cases where it is used it has always been
set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if(hx<0) r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
return r;
diff --git a/sysdeps/ieee754/dbl-64/s_log1p.c b/sysdeps/ieee754/dbl-64/s_log1p.c
index eeb0af859f..f52c0124fc 100644
--- a/sysdeps/ieee754/dbl-64/s_log1p.c
+++ b/sysdeps/ieee754/dbl-64/s_log1p.c
@@ -205,7 +205,7 @@ __log1p (double x)
must be 0 for c to be uninitialized and we handled that
computation earlier without using c. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
return k * ln2_hi - ((hfsq - (s * (hfsq + R) + (k * ln2_lo + c))) - f);
DIAG_POP_NEEDS_COMMENT;
}
diff --git a/sysdeps/ieee754/flt-32/e_lgammaf_r.c b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
index a1a3a60454..77dc54eaeb 100644
--- a/sysdeps/ieee754/flt-32/e_lgammaf_r.c
+++ b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
@@ -239,7 +239,7 @@ __ieee754_lgammaf_r(float x, int *signgamp)
although in the cases where it is used it has always been
set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if(hx<0) r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
return r;
diff --git a/sysdeps/ieee754/flt-32/s_log1pf.c b/sysdeps/ieee754/flt-32/s_log1pf.c
index 555f0f82c8..cddc0f1e09 100644
--- a/sysdeps/ieee754/flt-32/s_log1pf.c
+++ b/sysdeps/ieee754/flt-32/s_log1pf.c
@@ -108,7 +108,7 @@ __log1pf(float x)
because k must be 0 for c to be uninitialized and we
handled that computation earlier without using c. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_Os_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
return k * ln2_hi - ((hfsq - (s * (hfsq + R)
+ (k * ln2_lo + c))) - f);
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-128/k_tanl.c b/sysdeps/ieee754/ldbl-128/k_tanl.c
index 8e93626a89..af10fbc64b 100644
--- a/sysdeps/ieee754/ldbl-128/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-128/k_tanl.c
@@ -143,7 +143,7 @@ __kernel_tanl (_Float128 x, _Float128 y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-128ibm/k_tanl.c b/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
index cd95e46089..7a42a18e55 100644
--- a/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
@@ -143,7 +143,7 @@ __kernel_tanl (long double x, long double y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-96/e_lgammal_r.c b/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
index 148c21bb8d..d4fd7f5272 100644
--- a/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
+++ b/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
@@ -431,7 +431,7 @@ __ieee754_lgammal_r (long double x, int *signgamp)
in warnings that it may be used uninitialized although in the
cases where it is used it has always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if (se & 0x8000)
r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-96/k_tanl.c b/sysdeps/ieee754/ldbl-96/k_tanl.c
index 43a5aa4423..462795574f 100644
--- a/sysdeps/ieee754/ldbl-96/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-96/k_tanl.c
@@ -140,7 +140,7 @@ __kernel_tanl (long double x, long double y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.8, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/soft-fp/s_ddivl.c b/sysdeps/ieee754/soft-fp/s_ddivl.c
index 07a6210319..e34244baf5 100644
--- a/sysdeps/ieee754/soft-fp/s_ddivl.c
+++ b/sysdeps/ieee754/soft-fp/s_ddivl.c
@@ -37,7 +37,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_dfmal.c b/sysdeps/ieee754/soft-fp/s_dfmal.c
index 9f537c527d..05fb1a7585 100644
--- a/sysdeps/ieee754/soft-fp/s_dfmal.c
+++ b/sysdeps/ieee754/soft-fp/s_dfmal.c
@@ -37,7 +37,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
diff --git a/sysdeps/ieee754/soft-fp/s_dsqrtl.c b/sysdeps/ieee754/soft-fp/s_dsqrtl.c
index 2b78065823..2e568009a4 100644
--- a/sysdeps/ieee754/soft-fp/s_dsqrtl.c
+++ b/sysdeps/ieee754/soft-fp/s_dsqrtl.c
@@ -35,7 +35,7 @@
does not see that they are set in all cases where they are used,
resulting in warnings that they may be used uninitialized. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fdiv.c b/sysdeps/ieee754/soft-fp/s_fdiv.c
index 8c92aa6fb2..4511c5ef67 100644
--- a/sysdeps/ieee754/soft-fp/s_fdiv.c
+++ b/sysdeps/ieee754/soft-fp/s_fdiv.c
@@ -34,7 +34,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
#include <double.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fdivl.c b/sysdeps/ieee754/soft-fp/s_fdivl.c
index b99c9e9335..54d4b760f5 100644
--- a/sysdeps/ieee754/soft-fp/s_fdivl.c
+++ b/sysdeps/ieee754/soft-fp/s_fdivl.c
@@ -33,7 +33,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+(8);
#include <soft-fp.h>
#include <single.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_ffma.c b/sysdeps/ieee754/soft-fp/s_ffma.c
index f63f4e2418..be3cf0caf5 100644
--- a/sysdeps/ieee754/soft-fp/s_ffma.c
+++ b/sysdeps/ieee754/soft-fp/s_ffma.c
@@ -35,7 +35,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
diff --git a/sysdeps/ieee754/soft-fp/s_ffmal.c b/sysdeps/ieee754/soft-fp/s_ffmal.c
index 6d723ed046..f3785b1a5b 100644
--- a/sysdeps/ieee754/soft-fp/s_ffmal.c
+++ b/sysdeps/ieee754/soft-fp/s_ffmal.c
@@ -33,7 +33,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fma.c b/sysdeps/ieee754/soft-fp/s_fma.c
index 67e31e6209..ffcbaf48b3 100644
--- a/sysdeps/ieee754/soft-fp/s_fma.c
+++ b/sysdeps/ieee754/soft-fp/s_fma.c
@@ -42,7 +42,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "double.h"
diff --git a/sysdeps/ieee754/soft-fp/s_fmaf.c b/sysdeps/ieee754/soft-fp/s_fmaf.c
index a57e949fa5..95e5a34e1b 100644
--- a/sysdeps/ieee754/soft-fp/s_fmaf.c
+++ b/sysdeps/ieee754/soft-fp/s_fmaf.c
@@ -37,7 +37,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "single.h"
diff --git a/sysdeps/ieee754/soft-fp/s_fmal.c b/sysdeps/ieee754/soft-fp/s_fmal.c
index 1973a21f19..22ffc7cebd 100644
--- a/sysdeps/ieee754/soft-fp/s_fmal.c
+++ b/sysdeps/ieee754/soft-fp/s_fmal.c
@@ -40,7 +40,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "quad.h"
diff --git a/sysdeps/ieee754/soft-fp/s_fsqrt.c b/sysdeps/ieee754/soft-fp/s_fsqrt.c
index f64ae8262c..5162bd17db 100644
--- a/sysdeps/ieee754/soft-fp/s_fsqrt.c
+++ b/sysdeps/ieee754/soft-fp/s_fsqrt.c
@@ -33,7 +33,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
#include <double.h>
diff --git a/sysdeps/unix/sysv/linux/convert_scm_timestamps.c b/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
index 3720bd9591..399fe597e3 100644
--- a/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
+++ b/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
@@ -51,7 +51,7 @@ __convert_scm_timestamps (struct msghdr *msg, socklen_t msgsize)
(done by either COMPAT_SO_TIMESTAMP_OLD or COMPAT_SO_TIMESTAMPNS_OLD)
which will fallthrough to 'common' label. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
int64_t tvts[2];
DIAG_POP_NEEDS_COMMENT;
int32_t tmp[2];
^ permalink raw reply [flat|nested] 7+ messages in thread
* [glibc/azanella/clang] Suppress -Wmaybe-uninitialized only for gcc
@ 2024-01-29 17:54 Adhemerval Zanella
0 siblings, 0 replies; 7+ messages in thread
From: Adhemerval Zanella @ 2024-01-29 17:54 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6da482c43396f8a00cb426813ae8789ad747ef08
commit 6da482c43396f8a00cb426813ae8789ad747ef08
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Mar 9 15:51:50 2022 -0300
Suppress -Wmaybe-uninitialized only for gcc
The warning is not supported by clang.
Diff:
---
hurd/hurdsig.c | 2 +-
inet/net-internal.h | 2 +-
malloc/malloc-check.c | 2 +-
nis/nis_table.c | 2 +-
nptl/tst-thread-setspecific.c | 2 +-
resolv/res_send.c | 10 +++++-----
stdio-common/vfscanf-internal.c | 2 +-
stdlib/bug-getcontext.c | 2 +-
string/wordcopy.c | 6 +++---
sunrpc/clnt_udp.c | 2 +-
sysdeps/ieee754/dbl-64/e_lgamma_r.c | 2 +-
sysdeps/ieee754/flt-32/e_lgammaf_r.c | 2 +-
sysdeps/ieee754/ldbl-128/k_tanl.c | 2 +-
sysdeps/ieee754/ldbl-128ibm/k_tanl.c | 2 +-
sysdeps/ieee754/ldbl-96/e_lgammal_r.c | 2 +-
sysdeps/ieee754/ldbl-96/k_tanl.c | 2 +-
sysdeps/ieee754/soft-fp/s_ddivl.c | 2 +-
sysdeps/ieee754/soft-fp/s_dfmal.c | 2 +-
sysdeps/ieee754/soft-fp/s_dsqrtl.c | 2 +-
sysdeps/ieee754/soft-fp/s_fdiv.c | 2 +-
sysdeps/ieee754/soft-fp/s_fdivl.c | 2 +-
sysdeps/ieee754/soft-fp/s_ffma.c | 2 +-
sysdeps/ieee754/soft-fp/s_ffmal.c | 2 +-
sysdeps/ieee754/soft-fp/s_fma.c | 2 +-
sysdeps/ieee754/soft-fp/s_fmaf.c | 2 +-
sysdeps/ieee754/soft-fp/s_fmal.c | 2 +-
sysdeps/unix/sysv/linux/convert_scm_timestamps.c | 2 +-
27 files changed, 33 insertions(+), 33 deletions(-)
diff --git a/hurd/hurdsig.c b/hurd/hurdsig.c
index 882a03471d..3164f3be5f 100644
--- a/hurd/hurdsig.c
+++ b/hurd/hurdsig.c
@@ -376,7 +376,7 @@ interrupted_reply_port_location (thread_t thread,
/* GCC 6 and before seem to be confused by the setjmp call inside
_hurdsig_catch_memory_fault and think that we may be returning a second
time to here with portloc uninitialized (but we never do). */
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
/* Fault now if this pointer is bogus. */
*(volatile mach_port_t *) portloc = *portloc;
DIAG_POP_NEEDS_COMMENT;
diff --git a/inet/net-internal.h b/inet/net-internal.h
index f5749a8662..ad71fbecf0 100644
--- a/inet/net-internal.h
+++ b/inet/net-internal.h
@@ -106,7 +106,7 @@ __deadline_is_infinite (struct deadline deadline)
* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91691
*/
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
/* Return true if the current time is at the deadline or past it. */
static inline bool
diff --git a/malloc/malloc-check.c b/malloc/malloc-check.c
index da1158b333..0ccc7672d9 100644
--- a/malloc/malloc-check.c
+++ b/malloc/malloc-check.c
@@ -319,7 +319,7 @@ realloc_check (void *oldmem, size_t bytes)
#if __GNUC_PREREQ (7, 0)
/* GCC 7 warns about magic_p may be used uninitialized. But we never
reach here if magic_p is uninitialized. */
- DIAG_IGNORE_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
#endif
/* mem2chunk_check changed the magic byte in the old chunk.
If newmem is NULL, then the old chunk will still be used though,
diff --git a/nis/nis_table.c b/nis/nis_table.c
index 56c1aa262d..399c16cb86 100644
--- a/nis/nis_table.c
+++ b/nis/nis_table.c
@@ -180,7 +180,7 @@ __follow_path (char **tablepath, char **tableptr, struct ib_request *ibreq,
/* Since tableptr is only set here, and it's set when tablepath is NULL,
which it is initially defined as, we know it will always be set here. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.7, "-Wmaybe-uninitialized");
if (*tableptr == NULL)
return NIS_NOTFOUND;
diff --git a/nptl/tst-thread-setspecific.c b/nptl/tst-thread-setspecific.c
index 462c9f0d2b..0008a8ee2f 100644
--- a/nptl/tst-thread-setspecific.c
+++ b/nptl/tst-thread-setspecific.c
@@ -25,7 +25,7 @@
See BZ #27714. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
DIAG_IGNORE_NEEDS_COMMENT (6, "-Wuninitialized");
static int
diff --git a/resolv/res_send.c b/resolv/res_send.c
index fb0217204a..c314d9762a 100644
--- a/resolv/res_send.c
+++ b/resolv/res_send.c
@@ -266,7 +266,7 @@ __res_context_send (struct resolv_context *ctx,
Here the variable n is set to the return value of send_vc.
See below. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
int n;
DIAG_POP_NEEDS_COMMENT;
@@ -364,7 +364,7 @@ __res_context_send (struct resolv_context *ctx,
return (-1);
/* See comment at the declaration of n. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
if (n == 0 && (buf2 == NULL || *resplen2 == 0))
goto next_ns;
DIAG_POP_NEEDS_COMMENT;
@@ -388,7 +388,7 @@ __res_context_send (struct resolv_context *ctx,
/* See comment at the declaration of n. Note: resplen = n; */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
/* Mask the AD bit in both responses unless it is
marked trusted. */
if (resplen > HFIXEDSZ)
@@ -580,7 +580,7 @@ send_vc(res_state statp,
a false-positive.
*/
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
int resplen;
DIAG_POP_NEEDS_COMMENT;
struct iovec iov[4];
@@ -852,7 +852,7 @@ reopen (res_state statp, int *terrno, int ns)
the function return -1 before control flow reaches
the call to connect with slen. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (__connect (EXT (statp).nssocks[ns], nsap, slen) < 0) {
DIAG_POP_NEEDS_COMMENT;
__res_iclose(statp, false);
diff --git a/stdio-common/vfscanf-internal.c b/stdio-common/vfscanf-internal.c
index 1b82deffa7..eb66506ca3 100644
--- a/stdio-common/vfscanf-internal.c
+++ b/stdio-common/vfscanf-internal.c
@@ -1608,7 +1608,7 @@ __vfscanf_internal (FILE *s, const char *format, va_list argptr,
above, but the test for "map != NULL" is done
inside the loop here and outside the loop there. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.7, "-Wmaybe-uninitialized");
if (__glibc_unlikely (map != NULL))
wcdigits[n] = digits_extended[n];
diff --git a/stdlib/bug-getcontext.c b/stdlib/bug-getcontext.c
index 55c681c480..9e5e6c7e1c 100644
--- a/stdlib/bug-getcontext.c
+++ b/stdlib/bug-getcontext.c
@@ -56,7 +56,7 @@ do_test (void)
in local variables being clobbered on the second return from
getcontext), in fact an uninitialized use is not possible. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
int mask = fegetexcept ();
if (mask != except_mask)
{
diff --git a/string/wordcopy.c b/string/wordcopy.c
index 4e77cdb132..083daa658c 100644
--- a/string/wordcopy.c
+++ b/string/wordcopy.c
@@ -29,7 +29,7 @@
Since the usage is within the MERGE macro we disable the
warning in the definition, but only in this file. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
#include <memcopy.h>
DIAG_POP_NEEDS_COMMENT;
@@ -112,7 +112,7 @@ WORDCOPY_FWD_ALIGNED (long int dstp, long int srcp, size_t len)
case. The switch case always sets 'a1' and all previous loop
iterations will also have set 'a1' before the use. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
((op_t *) dstp)[0] = a1;
DIAG_POP_NEEDS_COMMENT;
do7:
@@ -313,7 +313,7 @@ WORDCOPY_BWD_ALIGNED (long int dstp, long int srcp, size_t len)
a0 = ((op_t *) srcp)[7];
/* Check the comment on WORDCOPY_FWD_ALIGNED. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
((op_t *) dstp)[7] = a1;
DIAG_POP_NEEDS_COMMENT;
do7:
diff --git a/sunrpc/clnt_udp.c b/sunrpc/clnt_udp.c
index ee79b09b40..4353e5da18 100644
--- a/sunrpc/clnt_udp.c
+++ b/sunrpc/clnt_udp.c
@@ -299,7 +299,7 @@ clntudp_call (/* client handle */
inet/net-internal.h because in some other configurations GCC
gives the warning in an inline function. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (10, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (10, "-Wmaybe-uninitialized");
struct deadline total_deadline; /* Determined once by overall timeout. */
DIAG_POP_NEEDS_COMMENT;
struct deadline response_deadline; /* Determined anew for each query. */
diff --git a/sysdeps/ieee754/dbl-64/e_lgamma_r.c b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
index 72c68b6682..c298c8ca03 100644
--- a/sysdeps/ieee754/dbl-64/e_lgamma_r.c
+++ b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
@@ -304,7 +304,7 @@ __ieee754_lgamma_r(double x, int *signgamp)
although in the cases where it is used it has always been
set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if(hx<0) r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
return r;
diff --git a/sysdeps/ieee754/flt-32/e_lgammaf_r.c b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
index a1a3a60454..77dc54eaeb 100644
--- a/sysdeps/ieee754/flt-32/e_lgammaf_r.c
+++ b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
@@ -239,7 +239,7 @@ __ieee754_lgammaf_r(float x, int *signgamp)
although in the cases where it is used it has always been
set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if(hx<0) r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
return r;
diff --git a/sysdeps/ieee754/ldbl-128/k_tanl.c b/sysdeps/ieee754/ldbl-128/k_tanl.c
index 8e93626a89..af10fbc64b 100644
--- a/sysdeps/ieee754/ldbl-128/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-128/k_tanl.c
@@ -143,7 +143,7 @@ __kernel_tanl (_Float128 x, _Float128 y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-128ibm/k_tanl.c b/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
index cd95e46089..7a42a18e55 100644
--- a/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
@@ -143,7 +143,7 @@ __kernel_tanl (long double x, long double y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-96/e_lgammal_r.c b/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
index 148c21bb8d..d4fd7f5272 100644
--- a/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
+++ b/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
@@ -431,7 +431,7 @@ __ieee754_lgammal_r (long double x, int *signgamp)
in warnings that it may be used uninitialized although in the
cases where it is used it has always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if (se & 0x8000)
r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-96/k_tanl.c b/sysdeps/ieee754/ldbl-96/k_tanl.c
index 43a5aa4423..462795574f 100644
--- a/sysdeps/ieee754/ldbl-96/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-96/k_tanl.c
@@ -140,7 +140,7 @@ __kernel_tanl (long double x, long double y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.8, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/soft-fp/s_ddivl.c b/sysdeps/ieee754/soft-fp/s_ddivl.c
index 07a6210319..e34244baf5 100644
--- a/sysdeps/ieee754/soft-fp/s_ddivl.c
+++ b/sysdeps/ieee754/soft-fp/s_ddivl.c
@@ -37,7 +37,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_dfmal.c b/sysdeps/ieee754/soft-fp/s_dfmal.c
index 9f537c527d..05fb1a7585 100644
--- a/sysdeps/ieee754/soft-fp/s_dfmal.c
+++ b/sysdeps/ieee754/soft-fp/s_dfmal.c
@@ -37,7 +37,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
diff --git a/sysdeps/ieee754/soft-fp/s_dsqrtl.c b/sysdeps/ieee754/soft-fp/s_dsqrtl.c
index 2b78065823..2e568009a4 100644
--- a/sysdeps/ieee754/soft-fp/s_dsqrtl.c
+++ b/sysdeps/ieee754/soft-fp/s_dsqrtl.c
@@ -35,7 +35,7 @@
does not see that they are set in all cases where they are used,
resulting in warnings that they may be used uninitialized. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fdiv.c b/sysdeps/ieee754/soft-fp/s_fdiv.c
index 8c92aa6fb2..4511c5ef67 100644
--- a/sysdeps/ieee754/soft-fp/s_fdiv.c
+++ b/sysdeps/ieee754/soft-fp/s_fdiv.c
@@ -34,7 +34,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
#include <double.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fdivl.c b/sysdeps/ieee754/soft-fp/s_fdivl.c
index b99c9e9335..54d4b760f5 100644
--- a/sysdeps/ieee754/soft-fp/s_fdivl.c
+++ b/sysdeps/ieee754/soft-fp/s_fdivl.c
@@ -33,7 +33,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+(8);
#include <soft-fp.h>
#include <single.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_ffma.c b/sysdeps/ieee754/soft-fp/s_ffma.c
index f63f4e2418..be3cf0caf5 100644
--- a/sysdeps/ieee754/soft-fp/s_ffma.c
+++ b/sysdeps/ieee754/soft-fp/s_ffma.c
@@ -35,7 +35,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
diff --git a/sysdeps/ieee754/soft-fp/s_ffmal.c b/sysdeps/ieee754/soft-fp/s_ffmal.c
index 6d723ed046..f3785b1a5b 100644
--- a/sysdeps/ieee754/soft-fp/s_ffmal.c
+++ b/sysdeps/ieee754/soft-fp/s_ffmal.c
@@ -33,7 +33,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fma.c b/sysdeps/ieee754/soft-fp/s_fma.c
index 67e31e6209..ffcbaf48b3 100644
--- a/sysdeps/ieee754/soft-fp/s_fma.c
+++ b/sysdeps/ieee754/soft-fp/s_fma.c
@@ -42,7 +42,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "double.h"
diff --git a/sysdeps/ieee754/soft-fp/s_fmaf.c b/sysdeps/ieee754/soft-fp/s_fmaf.c
index a57e949fa5..95e5a34e1b 100644
--- a/sysdeps/ieee754/soft-fp/s_fmaf.c
+++ b/sysdeps/ieee754/soft-fp/s_fmaf.c
@@ -37,7 +37,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "single.h"
diff --git a/sysdeps/ieee754/soft-fp/s_fmal.c b/sysdeps/ieee754/soft-fp/s_fmal.c
index 1973a21f19..22ffc7cebd 100644
--- a/sysdeps/ieee754/soft-fp/s_fmal.c
+++ b/sysdeps/ieee754/soft-fp/s_fmal.c
@@ -40,7 +40,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "quad.h"
diff --git a/sysdeps/unix/sysv/linux/convert_scm_timestamps.c b/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
index 3720bd9591..399fe597e3 100644
--- a/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
+++ b/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
@@ -51,7 +51,7 @@ __convert_scm_timestamps (struct msghdr *msg, socklen_t msgsize)
(done by either COMPAT_SO_TIMESTAMP_OLD or COMPAT_SO_TIMESTAMPNS_OLD)
which will fallthrough to 'common' label. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
int64_t tvts[2];
DIAG_POP_NEEDS_COMMENT;
int32_t tmp[2];
^ permalink raw reply [flat|nested] 7+ messages in thread
* [glibc/azanella/clang] Suppress -Wmaybe-uninitialized only for gcc
@ 2023-12-21 18:51 Adhemerval Zanella
0 siblings, 0 replies; 7+ messages in thread
From: Adhemerval Zanella @ 2023-12-21 18:51 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d978132cdb9d54f3febdd2c6ad03c88fcf956640
commit d978132cdb9d54f3febdd2c6ad03c88fcf956640
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Mar 9 15:51:50 2022 -0300
Suppress -Wmaybe-uninitialized only for gcc
The warning is not supported by clang.
Diff:
---
hurd/hurdsig.c | 2 +-
inet/net-internal.h | 2 +-
malloc/malloc-check.c | 2 +-
nis/nis_table.c | 2 +-
nptl/tst-thread-setspecific.c | 2 +-
resolv/res_send.c | 10 +++++-----
stdio-common/vfscanf-internal.c | 2 +-
stdlib/bug-getcontext.c | 2 +-
string/wordcopy.c | 6 +++---
sunrpc/clnt_udp.c | 2 +-
sysdeps/ieee754/dbl-64/e_lgamma_r.c | 2 +-
sysdeps/ieee754/flt-32/e_lgammaf_r.c | 2 +-
sysdeps/ieee754/ldbl-128/k_tanl.c | 2 +-
sysdeps/ieee754/ldbl-128ibm/k_tanl.c | 2 +-
sysdeps/ieee754/ldbl-96/e_lgammal_r.c | 2 +-
sysdeps/ieee754/ldbl-96/k_tanl.c | 2 +-
sysdeps/ieee754/soft-fp/s_ddivl.c | 2 +-
sysdeps/ieee754/soft-fp/s_dfmal.c | 2 +-
sysdeps/ieee754/soft-fp/s_dsqrtl.c | 2 +-
sysdeps/ieee754/soft-fp/s_fdiv.c | 2 +-
sysdeps/ieee754/soft-fp/s_fdivl.c | 2 +-
sysdeps/ieee754/soft-fp/s_ffma.c | 2 +-
sysdeps/ieee754/soft-fp/s_ffmal.c | 2 +-
sysdeps/ieee754/soft-fp/s_fma.c | 2 +-
sysdeps/ieee754/soft-fp/s_fmaf.c | 2 +-
sysdeps/ieee754/soft-fp/s_fmal.c | 2 +-
sysdeps/unix/sysv/linux/convert_scm_timestamps.c | 2 +-
27 files changed, 33 insertions(+), 33 deletions(-)
diff --git a/hurd/hurdsig.c b/hurd/hurdsig.c
index ce56d28520..d8cc6ac8ff 100644
--- a/hurd/hurdsig.c
+++ b/hurd/hurdsig.c
@@ -376,7 +376,7 @@ interrupted_reply_port_location (thread_t thread,
/* GCC 6 and before seem to be confused by the setjmp call inside
_hurdsig_catch_memory_fault and think that we may be returning a second
time to here with portloc uninitialized (but we never do). */
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
/* Fault now if this pointer is bogus. */
*(volatile mach_port_t *) portloc = *portloc;
DIAG_POP_NEEDS_COMMENT;
diff --git a/inet/net-internal.h b/inet/net-internal.h
index a5cf108bac..41e350b9aa 100644
--- a/inet/net-internal.h
+++ b/inet/net-internal.h
@@ -106,7 +106,7 @@ __deadline_is_infinite (struct deadline deadline)
* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91691
*/
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
/* Return true if the current time is at the deadline or past it. */
static inline bool
diff --git a/malloc/malloc-check.c b/malloc/malloc-check.c
index 5732d81bf1..72cf3ee0f7 100644
--- a/malloc/malloc-check.c
+++ b/malloc/malloc-check.c
@@ -319,7 +319,7 @@ realloc_check (void *oldmem, size_t bytes)
#if __GNUC_PREREQ (7, 0)
/* GCC 7 warns about magic_p may be used uninitialized. But we never
reach here if magic_p is uninitialized. */
- DIAG_IGNORE_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
#endif
/* mem2chunk_check changed the magic byte in the old chunk.
If newmem is NULL, then the old chunk will still be used though,
diff --git a/nis/nis_table.c b/nis/nis_table.c
index 16cc4befb8..04e7f2ef99 100644
--- a/nis/nis_table.c
+++ b/nis/nis_table.c
@@ -180,7 +180,7 @@ __follow_path (char **tablepath, char **tableptr, struct ib_request *ibreq,
/* Since tableptr is only set here, and it's set when tablepath is NULL,
which it is initially defined as, we know it will always be set here. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.7, "-Wmaybe-uninitialized");
if (*tableptr == NULL)
return NIS_NOTFOUND;
diff --git a/nptl/tst-thread-setspecific.c b/nptl/tst-thread-setspecific.c
index c0e93381af..0b19cef06f 100644
--- a/nptl/tst-thread-setspecific.c
+++ b/nptl/tst-thread-setspecific.c
@@ -25,7 +25,7 @@
See BZ #27714. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
DIAG_IGNORE_NEEDS_COMMENT (6, "-Wuninitialized");
static int
diff --git a/resolv/res_send.c b/resolv/res_send.c
index d098eba470..4053151a32 100644
--- a/resolv/res_send.c
+++ b/resolv/res_send.c
@@ -266,7 +266,7 @@ __res_context_send (struct resolv_context *ctx,
Here the variable n is set to the return value of send_vc.
See below. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
int n;
DIAG_POP_NEEDS_COMMENT;
@@ -364,7 +364,7 @@ __res_context_send (struct resolv_context *ctx,
return (-1);
/* See comment at the declaration of n. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
if (n == 0 && (buf2 == NULL || *resplen2 == 0))
goto next_ns;
DIAG_POP_NEEDS_COMMENT;
@@ -388,7 +388,7 @@ __res_context_send (struct resolv_context *ctx,
/* See comment at the declaration of n. Note: resplen = n; */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
/* Mask the AD bit in both responses unless it is
marked trusted. */
if (resplen > HFIXEDSZ)
@@ -580,7 +580,7 @@ send_vc(res_state statp,
a false-positive.
*/
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
int resplen;
DIAG_POP_NEEDS_COMMENT;
struct iovec iov[4];
@@ -852,7 +852,7 @@ reopen (res_state statp, int *terrno, int ns)
the function return -1 before control flow reaches
the call to connect with slen. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (__connect (EXT (statp).nssocks[ns], nsap, slen) < 0) {
DIAG_POP_NEEDS_COMMENT;
__res_iclose(statp, false);
diff --git a/stdio-common/vfscanf-internal.c b/stdio-common/vfscanf-internal.c
index cacb9668ba..ab42fb1bcf 100644
--- a/stdio-common/vfscanf-internal.c
+++ b/stdio-common/vfscanf-internal.c
@@ -1608,7 +1608,7 @@ __vfscanf_internal (FILE *s, const char *format, va_list argptr,
above, but the test for "map != NULL" is done
inside the loop here and outside the loop there. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.7, "-Wmaybe-uninitialized");
if (__glibc_unlikely (map != NULL))
wcdigits[n] = digits_extended[n];
diff --git a/stdlib/bug-getcontext.c b/stdlib/bug-getcontext.c
index 55c681c480..9e5e6c7e1c 100644
--- a/stdlib/bug-getcontext.c
+++ b/stdlib/bug-getcontext.c
@@ -56,7 +56,7 @@ do_test (void)
in local variables being clobbered on the second return from
getcontext), in fact an uninitialized use is not possible. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
int mask = fegetexcept ();
if (mask != except_mask)
{
diff --git a/string/wordcopy.c b/string/wordcopy.c
index a8a40c9f01..fe8220c476 100644
--- a/string/wordcopy.c
+++ b/string/wordcopy.c
@@ -29,7 +29,7 @@
Since the usage is within the MERGE macro we disable the
warning in the definition, but only in this file. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
#include <memcopy.h>
DIAG_POP_NEEDS_COMMENT;
@@ -112,7 +112,7 @@ WORDCOPY_FWD_ALIGNED (long int dstp, long int srcp, size_t len)
case. The switch case always sets 'a1' and all previous loop
iterations will also have set 'a1' before the use. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
((op_t *) dstp)[0] = a1;
DIAG_POP_NEEDS_COMMENT;
do7:
@@ -313,7 +313,7 @@ WORDCOPY_BWD_ALIGNED (long int dstp, long int srcp, size_t len)
a0 = ((op_t *) srcp)[7];
/* Check the comment on WORDCOPY_FWD_ALIGNED. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
((op_t *) dstp)[7] = a1;
DIAG_POP_NEEDS_COMMENT;
do7:
diff --git a/sunrpc/clnt_udp.c b/sunrpc/clnt_udp.c
index ee79b09b40..4353e5da18 100644
--- a/sunrpc/clnt_udp.c
+++ b/sunrpc/clnt_udp.c
@@ -299,7 +299,7 @@ clntudp_call (/* client handle */
inet/net-internal.h because in some other configurations GCC
gives the warning in an inline function. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (10, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (10, "-Wmaybe-uninitialized");
struct deadline total_deadline; /* Determined once by overall timeout. */
DIAG_POP_NEEDS_COMMENT;
struct deadline response_deadline; /* Determined anew for each query. */
diff --git a/sysdeps/ieee754/dbl-64/e_lgamma_r.c b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
index 72c68b6682..c298c8ca03 100644
--- a/sysdeps/ieee754/dbl-64/e_lgamma_r.c
+++ b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
@@ -304,7 +304,7 @@ __ieee754_lgamma_r(double x, int *signgamp)
although in the cases where it is used it has always been
set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if(hx<0) r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
return r;
diff --git a/sysdeps/ieee754/flt-32/e_lgammaf_r.c b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
index a1a3a60454..77dc54eaeb 100644
--- a/sysdeps/ieee754/flt-32/e_lgammaf_r.c
+++ b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
@@ -239,7 +239,7 @@ __ieee754_lgammaf_r(float x, int *signgamp)
although in the cases where it is used it has always been
set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if(hx<0) r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
return r;
diff --git a/sysdeps/ieee754/ldbl-128/k_tanl.c b/sysdeps/ieee754/ldbl-128/k_tanl.c
index 8e93626a89..af10fbc64b 100644
--- a/sysdeps/ieee754/ldbl-128/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-128/k_tanl.c
@@ -143,7 +143,7 @@ __kernel_tanl (_Float128 x, _Float128 y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-128ibm/k_tanl.c b/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
index cd95e46089..7a42a18e55 100644
--- a/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
@@ -143,7 +143,7 @@ __kernel_tanl (long double x, long double y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-96/e_lgammal_r.c b/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
index 148c21bb8d..d4fd7f5272 100644
--- a/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
+++ b/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
@@ -431,7 +431,7 @@ __ieee754_lgammal_r (long double x, int *signgamp)
in warnings that it may be used uninitialized although in the
cases where it is used it has always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if (se & 0x8000)
r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-96/k_tanl.c b/sysdeps/ieee754/ldbl-96/k_tanl.c
index 43a5aa4423..462795574f 100644
--- a/sysdeps/ieee754/ldbl-96/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-96/k_tanl.c
@@ -140,7 +140,7 @@ __kernel_tanl (long double x, long double y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.8, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/soft-fp/s_ddivl.c b/sysdeps/ieee754/soft-fp/s_ddivl.c
index e9f8685405..9e97d4a212 100644
--- a/sysdeps/ieee754/soft-fp/s_ddivl.c
+++ b/sysdeps/ieee754/soft-fp/s_ddivl.c
@@ -37,7 +37,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_dfmal.c b/sysdeps/ieee754/soft-fp/s_dfmal.c
index ab097393bc..e824007913 100644
--- a/sysdeps/ieee754/soft-fp/s_dfmal.c
+++ b/sysdeps/ieee754/soft-fp/s_dfmal.c
@@ -37,7 +37,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
diff --git a/sysdeps/ieee754/soft-fp/s_dsqrtl.c b/sysdeps/ieee754/soft-fp/s_dsqrtl.c
index c5c503bc4d..7d8b00c799 100644
--- a/sysdeps/ieee754/soft-fp/s_dsqrtl.c
+++ b/sysdeps/ieee754/soft-fp/s_dsqrtl.c
@@ -35,7 +35,7 @@
does not see that they are set in all cases where they are used,
resulting in warnings that they may be used uninitialized. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fdiv.c b/sysdeps/ieee754/soft-fp/s_fdiv.c
index df8cb67ccb..fa2e94f47e 100644
--- a/sysdeps/ieee754/soft-fp/s_fdiv.c
+++ b/sysdeps/ieee754/soft-fp/s_fdiv.c
@@ -34,7 +34,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
#include <double.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fdivl.c b/sysdeps/ieee754/soft-fp/s_fdivl.c
index 83a6ab8435..2c1196d209 100644
--- a/sysdeps/ieee754/soft-fp/s_fdivl.c
+++ b/sysdeps/ieee754/soft-fp/s_fdivl.c
@@ -33,7 +33,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+(8);
#include <soft-fp.h>
#include <single.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_ffma.c b/sysdeps/ieee754/soft-fp/s_ffma.c
index 8cae5a0b81..f00e78950b 100644
--- a/sysdeps/ieee754/soft-fp/s_ffma.c
+++ b/sysdeps/ieee754/soft-fp/s_ffma.c
@@ -35,7 +35,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
diff --git a/sysdeps/ieee754/soft-fp/s_ffmal.c b/sysdeps/ieee754/soft-fp/s_ffmal.c
index 0eddf80618..6de9a3128c 100644
--- a/sysdeps/ieee754/soft-fp/s_ffmal.c
+++ b/sysdeps/ieee754/soft-fp/s_ffmal.c
@@ -33,7 +33,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fma.c b/sysdeps/ieee754/soft-fp/s_fma.c
index 91b29333da..2fb3dd5ade 100644
--- a/sysdeps/ieee754/soft-fp/s_fma.c
+++ b/sysdeps/ieee754/soft-fp/s_fma.c
@@ -42,7 +42,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "double.h"
diff --git a/sysdeps/ieee754/soft-fp/s_fmaf.c b/sysdeps/ieee754/soft-fp/s_fmaf.c
index f1c58b6bed..52c2f25e47 100644
--- a/sysdeps/ieee754/soft-fp/s_fmaf.c
+++ b/sysdeps/ieee754/soft-fp/s_fmaf.c
@@ -37,7 +37,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "single.h"
diff --git a/sysdeps/ieee754/soft-fp/s_fmal.c b/sysdeps/ieee754/soft-fp/s_fmal.c
index b5a8a06a53..3b8b31e736 100644
--- a/sysdeps/ieee754/soft-fp/s_fmal.c
+++ b/sysdeps/ieee754/soft-fp/s_fmal.c
@@ -40,7 +40,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "quad.h"
diff --git a/sysdeps/unix/sysv/linux/convert_scm_timestamps.c b/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
index 06c8adeee1..fca3f7f766 100644
--- a/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
+++ b/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
@@ -51,7 +51,7 @@ __convert_scm_timestamps (struct msghdr *msg, socklen_t msgsize)
(done by either COMPAT_SO_TIMESTAMP_OLD or COMPAT_SO_TIMESTAMPNS_OLD)
which will fallthrough to 'common' label. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
int64_t tvts[2];
DIAG_POP_NEEDS_COMMENT;
int32_t tmp[2];
^ permalink raw reply [flat|nested] 7+ messages in thread
* [glibc/azanella/clang] Suppress -Wmaybe-uninitialized only for gcc
@ 2023-09-28 17:49 Adhemerval Zanella
0 siblings, 0 replies; 7+ messages in thread
From: Adhemerval Zanella @ 2023-09-28 17:49 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=eefa33554e559d1ec3687e31463d4cba6dd45277
commit eefa33554e559d1ec3687e31463d4cba6dd45277
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Mar 9 15:51:50 2022 -0300
Suppress -Wmaybe-uninitialized only for gcc
The warning is not supported by clang.
Diff:
---
hurd/hurdsig.c | 2 +-
inet/net-internal.h | 2 +-
malloc/malloc-check.c | 2 +-
nis/nis_table.c | 2 +-
nptl/tst-thread-setspecific.c | 2 +-
resolv/res_send.c | 10 +++++-----
stdio-common/vfscanf-internal.c | 2 +-
stdlib/bug-getcontext.c | 2 +-
string/wordcopy.c | 6 +++---
sunrpc/clnt_udp.c | 2 +-
sysdeps/ieee754/dbl-64/e_lgamma_r.c | 2 +-
sysdeps/ieee754/dbl-64/k_rem_pio2.c | 2 +-
sysdeps/ieee754/flt-32/e_lgammaf_r.c | 2 +-
sysdeps/ieee754/ldbl-128/k_tanl.c | 2 +-
sysdeps/ieee754/ldbl-128ibm/k_tanl.c | 2 +-
sysdeps/ieee754/ldbl-96/e_lgammal_r.c | 2 +-
sysdeps/ieee754/ldbl-96/k_tanl.c | 2 +-
sysdeps/ieee754/soft-fp/s_ddivl.c | 2 +-
sysdeps/ieee754/soft-fp/s_dfmal.c | 2 +-
sysdeps/ieee754/soft-fp/s_dsqrtl.c | 2 +-
sysdeps/ieee754/soft-fp/s_fdiv.c | 2 +-
sysdeps/ieee754/soft-fp/s_fdivl.c | 2 +-
sysdeps/ieee754/soft-fp/s_ffma.c | 2 +-
sysdeps/ieee754/soft-fp/s_ffmal.c | 2 +-
sysdeps/ieee754/soft-fp/s_fma.c | 2 +-
sysdeps/ieee754/soft-fp/s_fmaf.c | 2 +-
sysdeps/ieee754/soft-fp/s_fmal.c | 2 +-
sysdeps/unix/sysv/linux/convert_scm_timestamps.c | 2 +-
28 files changed, 34 insertions(+), 34 deletions(-)
diff --git a/hurd/hurdsig.c b/hurd/hurdsig.c
index ce56d28520..d8cc6ac8ff 100644
--- a/hurd/hurdsig.c
+++ b/hurd/hurdsig.c
@@ -376,7 +376,7 @@ interrupted_reply_port_location (thread_t thread,
/* GCC 6 and before seem to be confused by the setjmp call inside
_hurdsig_catch_memory_fault and think that we may be returning a second
time to here with portloc uninitialized (but we never do). */
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
/* Fault now if this pointer is bogus. */
*(volatile mach_port_t *) portloc = *portloc;
DIAG_POP_NEEDS_COMMENT;
diff --git a/inet/net-internal.h b/inet/net-internal.h
index a5cf108bac..41e350b9aa 100644
--- a/inet/net-internal.h
+++ b/inet/net-internal.h
@@ -106,7 +106,7 @@ __deadline_is_infinite (struct deadline deadline)
* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91691
*/
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
/* Return true if the current time is at the deadline or past it. */
static inline bool
diff --git a/malloc/malloc-check.c b/malloc/malloc-check.c
index 5732d81bf1..72cf3ee0f7 100644
--- a/malloc/malloc-check.c
+++ b/malloc/malloc-check.c
@@ -319,7 +319,7 @@ realloc_check (void *oldmem, size_t bytes)
#if __GNUC_PREREQ (7, 0)
/* GCC 7 warns about magic_p may be used uninitialized. But we never
reach here if magic_p is uninitialized. */
- DIAG_IGNORE_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
#endif
/* mem2chunk_check changed the magic byte in the old chunk.
If newmem is NULL, then the old chunk will still be used though,
diff --git a/nis/nis_table.c b/nis/nis_table.c
index 16cc4befb8..04e7f2ef99 100644
--- a/nis/nis_table.c
+++ b/nis/nis_table.c
@@ -180,7 +180,7 @@ __follow_path (char **tablepath, char **tableptr, struct ib_request *ibreq,
/* Since tableptr is only set here, and it's set when tablepath is NULL,
which it is initially defined as, we know it will always be set here. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.7, "-Wmaybe-uninitialized");
if (*tableptr == NULL)
return NIS_NOTFOUND;
diff --git a/nptl/tst-thread-setspecific.c b/nptl/tst-thread-setspecific.c
index c0e93381af..0b19cef06f 100644
--- a/nptl/tst-thread-setspecific.c
+++ b/nptl/tst-thread-setspecific.c
@@ -25,7 +25,7 @@
See BZ #27714. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
DIAG_IGNORE_NEEDS_COMMENT (6, "-Wuninitialized");
static int
diff --git a/resolv/res_send.c b/resolv/res_send.c
index d098eba470..4053151a32 100644
--- a/resolv/res_send.c
+++ b/resolv/res_send.c
@@ -266,7 +266,7 @@ __res_context_send (struct resolv_context *ctx,
Here the variable n is set to the return value of send_vc.
See below. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
int n;
DIAG_POP_NEEDS_COMMENT;
@@ -364,7 +364,7 @@ __res_context_send (struct resolv_context *ctx,
return (-1);
/* See comment at the declaration of n. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
if (n == 0 && (buf2 == NULL || *resplen2 == 0))
goto next_ns;
DIAG_POP_NEEDS_COMMENT;
@@ -388,7 +388,7 @@ __res_context_send (struct resolv_context *ctx,
/* See comment at the declaration of n. Note: resplen = n; */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
/* Mask the AD bit in both responses unless it is
marked trusted. */
if (resplen > HFIXEDSZ)
@@ -580,7 +580,7 @@ send_vc(res_state statp,
a false-positive.
*/
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
int resplen;
DIAG_POP_NEEDS_COMMENT;
struct iovec iov[4];
@@ -852,7 +852,7 @@ reopen (res_state statp, int *terrno, int ns)
the function return -1 before control flow reaches
the call to connect with slen. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (__connect (EXT (statp).nssocks[ns], nsap, slen) < 0) {
DIAG_POP_NEEDS_COMMENT;
__res_iclose(statp, false);
diff --git a/stdio-common/vfscanf-internal.c b/stdio-common/vfscanf-internal.c
index 9b1197d751..eee9835a97 100644
--- a/stdio-common/vfscanf-internal.c
+++ b/stdio-common/vfscanf-internal.c
@@ -1560,7 +1560,7 @@ __vfscanf_internal (FILE *s, const char *format, va_list argptr,
above, but the test for "map != NULL" is done
inside the loop here and outside the loop there. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.7, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.7, "-Wmaybe-uninitialized");
if (__glibc_unlikely (map != NULL))
wcdigits[n] = digits_extended[n];
diff --git a/stdlib/bug-getcontext.c b/stdlib/bug-getcontext.c
index 55c681c480..9e5e6c7e1c 100644
--- a/stdlib/bug-getcontext.c
+++ b/stdlib/bug-getcontext.c
@@ -56,7 +56,7 @@ do_test (void)
in local variables being clobbered on the second return from
getcontext), in fact an uninitialized use is not possible. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
int mask = fegetexcept ();
if (mask != except_mask)
{
diff --git a/string/wordcopy.c b/string/wordcopy.c
index a8a40c9f01..fe8220c476 100644
--- a/string/wordcopy.c
+++ b/string/wordcopy.c
@@ -29,7 +29,7 @@
Since the usage is within the MERGE macro we disable the
warning in the definition, but only in this file. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
#include <memcopy.h>
DIAG_POP_NEEDS_COMMENT;
@@ -112,7 +112,7 @@ WORDCOPY_FWD_ALIGNED (long int dstp, long int srcp, size_t len)
case. The switch case always sets 'a1' and all previous loop
iterations will also have set 'a1' before the use. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
((op_t *) dstp)[0] = a1;
DIAG_POP_NEEDS_COMMENT;
do7:
@@ -313,7 +313,7 @@ WORDCOPY_BWD_ALIGNED (long int dstp, long int srcp, size_t len)
a0 = ((op_t *) srcp)[7];
/* Check the comment on WORDCOPY_FWD_ALIGNED. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
((op_t *) dstp)[7] = a1;
DIAG_POP_NEEDS_COMMENT;
do7:
diff --git a/sunrpc/clnt_udp.c b/sunrpc/clnt_udp.c
index ee79b09b40..4353e5da18 100644
--- a/sunrpc/clnt_udp.c
+++ b/sunrpc/clnt_udp.c
@@ -299,7 +299,7 @@ clntudp_call (/* client handle */
inet/net-internal.h because in some other configurations GCC
gives the warning in an inline function. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (10, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (10, "-Wmaybe-uninitialized");
struct deadline total_deadline; /* Determined once by overall timeout. */
DIAG_POP_NEEDS_COMMENT;
struct deadline response_deadline; /* Determined anew for each query. */
diff --git a/sysdeps/ieee754/dbl-64/e_lgamma_r.c b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
index 72c68b6682..c298c8ca03 100644
--- a/sysdeps/ieee754/dbl-64/e_lgamma_r.c
+++ b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
@@ -304,7 +304,7 @@ __ieee754_lgamma_r(double x, int *signgamp)
although in the cases where it is used it has always been
set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if(hx<0) r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
return r;
diff --git a/sysdeps/ieee754/dbl-64/k_rem_pio2.c b/sysdeps/ieee754/dbl-64/k_rem_pio2.c
index 6e2ef5d07b..78d1ea09ad 100644
--- a/sysdeps/ieee754/dbl-64/k_rem_pio2.c
+++ b/sysdeps/ieee754/dbl-64/k_rem_pio2.c
@@ -337,7 +337,7 @@ recompute:
to full precision (this function is not called for zero
arguments). */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (9, "-Wmaybe-uninitialized");
fv = math_narrow_eval (fq[0] - fv);
DIAG_POP_NEEDS_COMMENT;
for (i = 1; i <= jz; i++)
diff --git a/sysdeps/ieee754/flt-32/e_lgammaf_r.c b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
index a1a3a60454..77dc54eaeb 100644
--- a/sysdeps/ieee754/flt-32/e_lgammaf_r.c
+++ b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
@@ -239,7 +239,7 @@ __ieee754_lgammaf_r(float x, int *signgamp)
although in the cases where it is used it has always been
set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if(hx<0) r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
return r;
diff --git a/sysdeps/ieee754/ldbl-128/k_tanl.c b/sysdeps/ieee754/ldbl-128/k_tanl.c
index 8e93626a89..af10fbc64b 100644
--- a/sysdeps/ieee754/ldbl-128/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-128/k_tanl.c
@@ -143,7 +143,7 @@ __kernel_tanl (_Float128 x, _Float128 y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-128ibm/k_tanl.c b/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
index cd95e46089..7a42a18e55 100644
--- a/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
@@ -143,7 +143,7 @@ __kernel_tanl (long double x, long double y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (5, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-96/e_lgammal_r.c b/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
index 148c21bb8d..d4fd7f5272 100644
--- a/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
+++ b/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
@@ -431,7 +431,7 @@ __ieee754_lgammal_r (long double x, int *signgamp)
in warnings that it may be used uninitialized although in the
cases where it is used it has always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
if (se & 0x8000)
r = nadj - r;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-96/k_tanl.c b/sysdeps/ieee754/ldbl-96/k_tanl.c
index 43a5aa4423..462795574f 100644
--- a/sysdeps/ieee754/ldbl-96/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-96/k_tanl.c
@@ -140,7 +140,7 @@ __kernel_tanl (long double x, long double y, int iy)
uninitialized although in the cases where it is used it has
always been set. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.8, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (4.8, "-Wmaybe-uninitialized");
if (sign < 0)
w = -w;
DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/soft-fp/s_ddivl.c b/sysdeps/ieee754/soft-fp/s_ddivl.c
index e9f8685405..9e97d4a212 100644
--- a/sysdeps/ieee754/soft-fp/s_ddivl.c
+++ b/sysdeps/ieee754/soft-fp/s_ddivl.c
@@ -37,7 +37,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_dfmal.c b/sysdeps/ieee754/soft-fp/s_dfmal.c
index ab097393bc..e824007913 100644
--- a/sysdeps/ieee754/soft-fp/s_dfmal.c
+++ b/sysdeps/ieee754/soft-fp/s_dfmal.c
@@ -37,7 +37,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
diff --git a/sysdeps/ieee754/soft-fp/s_dsqrtl.c b/sysdeps/ieee754/soft-fp/s_dsqrtl.c
index c5c503bc4d..7d8b00c799 100644
--- a/sysdeps/ieee754/soft-fp/s_dsqrtl.c
+++ b/sysdeps/ieee754/soft-fp/s_dsqrtl.c
@@ -35,7 +35,7 @@
does not see that they are set in all cases where they are used,
resulting in warnings that they may be used uninitialized. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (7, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (7, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <double.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fdiv.c b/sysdeps/ieee754/soft-fp/s_fdiv.c
index df8cb67ccb..fa2e94f47e 100644
--- a/sysdeps/ieee754/soft-fp/s_fdiv.c
+++ b/sysdeps/ieee754/soft-fp/s_fdiv.c
@@ -34,7 +34,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (8, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
#include <double.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fdivl.c b/sysdeps/ieee754/soft-fp/s_fdivl.c
index 83a6ab8435..2c1196d209 100644
--- a/sysdeps/ieee754/soft-fp/s_fdivl.c
+++ b/sysdeps/ieee754/soft-fp/s_fdivl.c
@@ -33,7 +33,7 @@
versions of GCC, it may be where R is defined using a macro or it
may be where the macro is defined. This happens only with -O1. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (8, "-Wmaybe-uninitialized");
+(8);
#include <soft-fp.h>
#include <single.h>
#include <quad.h>
diff --git a/sysdeps/ieee754/soft-fp/s_ffma.c b/sysdeps/ieee754/soft-fp/s_ffma.c
index 8cae5a0b81..f00e78950b 100644
--- a/sysdeps/ieee754/soft-fp/s_ffma.c
+++ b/sysdeps/ieee754/soft-fp/s_ffma.c
@@ -35,7 +35,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
diff --git a/sysdeps/ieee754/soft-fp/s_ffmal.c b/sysdeps/ieee754/soft-fp/s_ffmal.c
index 0eddf80618..6de9a3128c 100644
--- a/sysdeps/ieee754/soft-fp/s_ffmal.c
+++ b/sysdeps/ieee754/soft-fp/s_ffmal.c
@@ -33,7 +33,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include <soft-fp.h>
#include <single.h>
diff --git a/sysdeps/ieee754/soft-fp/s_fma.c b/sysdeps/ieee754/soft-fp/s_fma.c
index 91b29333da..2fb3dd5ade 100644
--- a/sysdeps/ieee754/soft-fp/s_fma.c
+++ b/sysdeps/ieee754/soft-fp/s_fma.c
@@ -42,7 +42,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "double.h"
diff --git a/sysdeps/ieee754/soft-fp/s_fmaf.c b/sysdeps/ieee754/soft-fp/s_fmaf.c
index f1c58b6bed..52c2f25e47 100644
--- a/sysdeps/ieee754/soft-fp/s_fmaf.c
+++ b/sysdeps/ieee754/soft-fp/s_fmaf.c
@@ -37,7 +37,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "single.h"
diff --git a/sysdeps/ieee754/soft-fp/s_fmal.c b/sysdeps/ieee754/soft-fp/s_fmal.c
index b5a8a06a53..3b8b31e736 100644
--- a/sysdeps/ieee754/soft-fp/s_fmal.c
+++ b/sysdeps/ieee754/soft-fp/s_fmal.c
@@ -40,7 +40,7 @@
it may be where R is defined using a macro or it may be where the
macro is defined. */
DIAG_PUSH_NEEDS_COMMENT;
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+DIAG_IGNORE_NEEDS_COMMENT_GCC (4.9, "-Wmaybe-uninitialized");
#include "soft-fp.h"
#include "quad.h"
diff --git a/sysdeps/unix/sysv/linux/convert_scm_timestamps.c b/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
index 06c8adeee1..fca3f7f766 100644
--- a/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
+++ b/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
@@ -51,7 +51,7 @@ __convert_scm_timestamps (struct msghdr *msg, socklen_t msgsize)
(done by either COMPAT_SO_TIMESTAMP_OLD or COMPAT_SO_TIMESTAMPNS_OLD)
which will fallthrough to 'common' label. */
DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
+ DIAG_IGNORE_NEEDS_COMMENT_GCC (6, "-Wmaybe-uninitialized");
int64_t tvts[2];
DIAG_POP_NEEDS_COMMENT;
int32_t tmp[2];
^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2024-04-17 20:04 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
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2024-02-07 14:04 [glibc/azanella/clang] Suppress -Wmaybe-uninitialized only for gcc Adhemerval Zanella
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2024-04-17 20:04 Adhemerval Zanella
2024-04-02 15:50 Adhemerval Zanella
2024-02-09 17:28 Adhemerval Zanella
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2023-12-21 18:51 Adhemerval Zanella
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