From: Tiezhu Yang <yangtiezhu@loongson.cn>
To: gdb-patches@sourceware.org
Subject: [PATCH 1/2] gdb: rename floatformats_ia64_quad to floatformats_ieee_quad
Date: Tue, 8 Mar 2022 20:00:58 +0800 [thread overview]
Message-ID: <1646740859-28698-2-git-send-email-yangtiezhu@loongson.cn> (raw)
In-Reply-To: <1646740859-28698-1-git-send-email-yangtiezhu@loongson.cn>
It is better to rename floatformats_ia64_quad to floatformats_ieee_quad
to reflect the reality, and then we can clean up the related code.
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
---
gdb/aarch64-tdep.c | 2 +-
gdb/gdbtypes.c | 8 ++++----
gdb/gdbtypes.h | 2 +-
gdb/hppa-tdep.c | 2 +-
gdb/i386-tdep.c | 2 +-
gdb/ia64-vms-tdep.c | 2 +-
gdb/mips-linux-tdep.c | 12 ++----------
gdb/mips64-obsd-tdep.c | 6 +-----
gdb/ppc-linux-tdep.c | 4 ++--
gdb/riscv-tdep.c | 2 +-
gdb/rs6000-tdep.c | 2 +-
gdb/s390-tdep.c | 2 +-
gdb/sparc-tdep.c | 6 +-----
include/floatformat.h | 6 +++---
libiberty/floatformat.c | 34 +++++++++++++++++-----------------
15 files changed, 38 insertions(+), 54 deletions(-)
diff --git a/gdb/aarch64-tdep.c b/gdb/aarch64-tdep.c
index b3efb3e..45b592d 100644
--- a/gdb/aarch64-tdep.c
+++ b/gdb/aarch64-tdep.c
@@ -3582,7 +3582,7 @@ aarch64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_wchar_signed (gdbarch, 0);
set_gdbarch_float_format (gdbarch, floatformats_ieee_single);
set_gdbarch_double_format (gdbarch, floatformats_ieee_double);
- set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
+ set_gdbarch_long_double_format (gdbarch, floatformats_ieee_quad);
set_gdbarch_type_align (gdbarch, aarch64_type_align);
/* Internal <-> external register number maps. */
diff --git a/gdb/gdbtypes.c b/gdb/gdbtypes.c
index f41d6bd..1f8a9e8 100644
--- a/gdb/gdbtypes.c
+++ b/gdb/gdbtypes.c
@@ -85,6 +85,10 @@ const struct floatformat *floatformats_ieee_double[BFD_ENDIAN_UNKNOWN] = {
&floatformat_ieee_double_big,
&floatformat_ieee_double_little
};
+const struct floatformat *floatformats_ieee_quad[BFD_ENDIAN_UNKNOWN] = {
+ &floatformat_ieee_quad_big,
+ &floatformat_ieee_quad_little
+};
const struct floatformat *floatformats_ieee_double_littlebyte_bigword[BFD_ENDIAN_UNKNOWN] = {
&floatformat_ieee_double_big,
&floatformat_ieee_double_littlebyte_bigword
@@ -105,10 +109,6 @@ const struct floatformat *floatformats_ia64_spill[BFD_ENDIAN_UNKNOWN] = {
&floatformat_ia64_spill_big,
&floatformat_ia64_spill_little
};
-const struct floatformat *floatformats_ia64_quad[BFD_ENDIAN_UNKNOWN] = {
- &floatformat_ia64_quad_big,
- &floatformat_ia64_quad_little
-};
const struct floatformat *floatformats_vax_f[BFD_ENDIAN_UNKNOWN] = {
&floatformat_vax_f,
&floatformat_vax_f
diff --git a/gdb/gdbtypes.h b/gdb/gdbtypes.h
index bd192da..2578b77 100644
--- a/gdb/gdbtypes.h
+++ b/gdb/gdbtypes.h
@@ -2401,12 +2401,12 @@ extern const struct objfile_type *objfile_type (struct objfile *objfile);
extern const struct floatformat *floatformats_ieee_half[BFD_ENDIAN_UNKNOWN];
extern const struct floatformat *floatformats_ieee_single[BFD_ENDIAN_UNKNOWN];
extern const struct floatformat *floatformats_ieee_double[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformats_ieee_quad[BFD_ENDIAN_UNKNOWN];
extern const struct floatformat *floatformats_ieee_double_littlebyte_bigword[BFD_ENDIAN_UNKNOWN];
extern const struct floatformat *floatformats_i387_ext[BFD_ENDIAN_UNKNOWN];
extern const struct floatformat *floatformats_m68881_ext[BFD_ENDIAN_UNKNOWN];
extern const struct floatformat *floatformats_arm_ext[BFD_ENDIAN_UNKNOWN];
extern const struct floatformat *floatformats_ia64_spill[BFD_ENDIAN_UNKNOWN];
-extern const struct floatformat *floatformats_ia64_quad[BFD_ENDIAN_UNKNOWN];
extern const struct floatformat *floatformats_vax_f[BFD_ENDIAN_UNKNOWN];
extern const struct floatformat *floatformats_vax_d[BFD_ENDIAN_UNKNOWN];
extern const struct floatformat *floatformats_ibm_long_double[BFD_ENDIAN_UNKNOWN];
diff --git a/gdb/hppa-tdep.c b/gdb/hppa-tdep.c
index cf84555..a7d227d 100644
--- a/gdb/hppa-tdep.c
+++ b/gdb/hppa-tdep.c
@@ -3072,7 +3072,7 @@ hppa_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
and LP64, but might show differences some day. */
set_gdbarch_long_long_bit (gdbarch, 64);
set_gdbarch_long_double_bit (gdbarch, 128);
- set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
+ set_gdbarch_long_double_format (gdbarch, floatformats_ieee_quad);
/* The following gdbarch vector elements do not depend on the address
size, or in any other gdbarch element previously set. */
diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c
index b98f475..b0a5973 100644
--- a/gdb/i386-tdep.c
+++ b/gdb/i386-tdep.c
@@ -8243,7 +8243,7 @@ i386_floatformat_for_type (struct gdbarch *gdbarch,
|| strcmp (name, "real(kind=16)") == 0
|| strcmp (name, "real*16") == 0
|| strcmp (name, "REAL*16") == 0)
- return floatformats_ia64_quad;
+ return floatformats_ieee_quad;
return default_floatformat_for_type (gdbarch, name, len);
}
diff --git a/gdb/ia64-vms-tdep.c b/gdb/ia64-vms-tdep.c
index 23f3265..9b12df4 100644
--- a/gdb/ia64-vms-tdep.c
+++ b/gdb/ia64-vms-tdep.c
@@ -132,7 +132,7 @@ static struct libunwind_descr ia64_vms_libunwind_descr;
static void
ia64_openvms_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
- set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
+ set_gdbarch_long_double_format (gdbarch, floatformats_ieee_quad);
#ifdef HAVE_LIBUNWIND_IA64_H
/* Override the default descriptor. */
diff --git a/gdb/mips-linux-tdep.c b/gdb/mips-linux-tdep.c
index 6686355..3f4c1b3 100644
--- a/gdb/mips-linux-tdep.c
+++ b/gdb/mips-linux-tdep.c
@@ -1556,11 +1556,7 @@ mips_linux_init_abi (struct gdbarch_info info,
set_solib_svr4_fetch_link_map_offsets
(gdbarch, linux_ilp32_fetch_link_map_offsets);
set_gdbarch_long_double_bit (gdbarch, 128);
- /* These floatformats should probably be renamed. MIPS uses
- the same 128-bit IEEE floating point format that IA-64 uses,
- except that the quiet/signalling NaN bit is reversed (GDB
- does not distinguish between quiet and signalling NaNs). */
- set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
+ set_gdbarch_long_double_format (gdbarch, floatformats_ieee_quad);
tramp_frame_prepend_unwinder (gdbarch,
µmips_linux_n32_rt_sigframe);
tramp_frame_prepend_unwinder (gdbarch, &mips_linux_n32_rt_sigframe);
@@ -1572,11 +1568,7 @@ mips_linux_init_abi (struct gdbarch_info info,
set_solib_svr4_fetch_link_map_offsets
(gdbarch, linux_lp64_fetch_link_map_offsets);
set_gdbarch_long_double_bit (gdbarch, 128);
- /* These floatformats should probably be renamed. MIPS uses
- the same 128-bit IEEE floating point format that IA-64 uses,
- except that the quiet/signalling NaN bit is reversed (GDB
- does not distinguish between quiet and signalling NaNs). */
- set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
+ set_gdbarch_long_double_format (gdbarch, floatformats_ieee_quad);
tramp_frame_prepend_unwinder (gdbarch,
µmips_linux_n64_rt_sigframe);
tramp_frame_prepend_unwinder (gdbarch, &mips_linux_n64_rt_sigframe);
diff --git a/gdb/mips64-obsd-tdep.c b/gdb/mips64-obsd-tdep.c
index 0e63d16..8fe2834 100644
--- a/gdb/mips64-obsd-tdep.c
+++ b/gdb/mips64-obsd-tdep.c
@@ -29,10 +29,6 @@
#include "mips-tdep.h"
#include "solib-svr4.h"
-/* The MIPS64 Floating-Point Quad-Precision format is similar to
- big-endian IA-64 Quad-Precision format. */
-#define floatformats_mips64_quad floatformats_ia64_quad
-
#define MIPS64OBSD_NUM_REGS 73
/* Core file support. */
@@ -150,7 +146,7 @@ mips64obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
tramp_frame_prepend_unwinder (gdbarch, &mips64obsd_sigframe);
set_gdbarch_long_double_bit (gdbarch, 128);
- set_gdbarch_long_double_format (gdbarch, floatformats_mips64_quad);
+ set_gdbarch_long_double_format (gdbarch, floatformats_ieee_quad);
obsd_init_abi(info, gdbarch);
diff --git a/gdb/ppc-linux-tdep.c b/gdb/ppc-linux-tdep.c
index 0b165fe..63cffbd 100644
--- a/gdb/ppc-linux-tdep.c
+++ b/gdb/ppc-linux-tdep.c
@@ -1974,7 +1974,7 @@ ppc_floatformat_for_type (struct gdbarch *gdbarch,
|| strcmp (name, "_Float64x") == 0
|| strcmp (name, "complex _Float128") == 0
|| strcmp (name, "complex _Float64x") == 0)
- return floatformats_ia64_quad;
+ return floatformats_ieee_quad;
if (strcmp (name, "__ibm128") == 0)
return floatformats_ibm_long_double;
@@ -2053,7 +2053,7 @@ ppc_linux_init_abi (struct gdbarch_info info,
to distinguish between the IBM long double and IEEE quad cases. */
set_gdbarch_long_double_bit (gdbarch, 16 * TARGET_CHAR_BIT);
if (tdep->long_double_abi == POWERPC_LONG_DOUBLE_IEEE128)
- set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
+ set_gdbarch_long_double_format (gdbarch, floatformats_ieee_quad);
else
set_gdbarch_long_double_format (gdbarch, floatformats_ibm_long_double);
diff --git a/gdb/riscv-tdep.c b/gdb/riscv-tdep.c
index 886996c..036577d 100644
--- a/gdb/riscv-tdep.c
+++ b/gdb/riscv-tdep.c
@@ -3769,7 +3769,7 @@ riscv_gdbarch_init (struct gdbarch_info info,
set_gdbarch_float_bit (gdbarch, 32);
set_gdbarch_double_bit (gdbarch, 64);
set_gdbarch_long_double_bit (gdbarch, 128);
- set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
+ set_gdbarch_long_double_format (gdbarch, floatformats_ieee_quad);
set_gdbarch_ptr_bit (gdbarch, riscv_isa_xlen (gdbarch) * 8);
set_gdbarch_char_signed (gdbarch, 0);
set_gdbarch_type_align (gdbarch, riscv_type_align);
diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c
index ee3f051..7016ed3 100644
--- a/gdb/rs6000-tdep.c
+++ b/gdb/rs6000-tdep.c
@@ -2434,7 +2434,7 @@ rs6000_builtin_type_vec128 (struct gdbarch *gdbarch)
/* PPC specific type for IEEE 128-bit float field */
struct type *t_float128
- = arch_float_type (gdbarch, 128, "float128_t", floatformats_ia64_quad);
+ = arch_float_type (gdbarch, 128, "float128_t", floatformats_ieee_quad);
struct type *t;
diff --git a/gdb/s390-tdep.c b/gdb/s390-tdep.c
index 153f0ed..cf53c6d 100644
--- a/gdb/s390-tdep.c
+++ b/gdb/s390-tdep.c
@@ -7038,7 +7038,7 @@ s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
We can safely let them default to 128-bit, since the debug info
will give the size of type actually used in each case. */
set_gdbarch_long_double_bit (gdbarch, 128);
- set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
+ set_gdbarch_long_double_format (gdbarch, floatformats_ieee_quad);
set_gdbarch_type_align (gdbarch, s390_type_align);
diff --git a/gdb/sparc-tdep.c b/gdb/sparc-tdep.c
index 03242ed..1d90bb1 100644
--- a/gdb/sparc-tdep.c
+++ b/gdb/sparc-tdep.c
@@ -61,10 +61,6 @@ struct regset;
code that can handle both. The 64-bit specific code lives in
sparc64-tdep.c; don't add any here. */
-/* The SPARC Floating-Point Quad-Precision format is similar to
- big-endian IA-64 Quad-Precision format. */
-#define floatformats_sparc_quad floatformats_ia64_quad
-
/* The stack pointer is offset from the stack frame by a BIAS of 2047
(0x7ff) for 64-bit code. BIAS is likely to be defined on SPARC
hosts, so undefine it first. */
@@ -1838,7 +1834,7 @@ sparc32_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
tdep->cp0_registers_num = ARRAY_SIZE (sparc32_cp0_register_names);
set_gdbarch_long_double_bit (gdbarch, 128);
- set_gdbarch_long_double_format (gdbarch, floatformats_sparc_quad);
+ set_gdbarch_long_double_format (gdbarch, floatformats_ieee_quad);
set_gdbarch_wchar_bit (gdbarch, 16);
set_gdbarch_wchar_signed (gdbarch, 1);
diff --git a/include/floatformat.h b/include/floatformat.h
index c851879..ffb02f9 100644
--- a/include/floatformat.h
+++ b/include/floatformat.h
@@ -97,7 +97,7 @@ struct floatformat
const struct floatformat *split_half;
};
-/* floatformats for IEEE single and double, big and little endian. */
+/* floatformats for IEEE half, single, double and quad, big and little endian. */
extern const struct floatformat floatformat_ieee_half_big;
extern const struct floatformat floatformat_ieee_half_little;
@@ -105,6 +105,8 @@ extern const struct floatformat floatformat_ieee_single_big;
extern const struct floatformat floatformat_ieee_single_little;
extern const struct floatformat floatformat_ieee_double_big;
extern const struct floatformat floatformat_ieee_double_little;
+extern const struct floatformat floatformat_ieee_quad_big;
+extern const struct floatformat floatformat_ieee_quad_little;
/* floatformat for ARM IEEE double, little endian bytes and big endian words */
@@ -128,8 +130,6 @@ extern const struct floatformat floatformat_arm_ext_littlebyte_bigword;
/* IA-64 Floating Point register spilt into memory. */
extern const struct floatformat floatformat_ia64_spill_big;
extern const struct floatformat floatformat_ia64_spill_little;
-extern const struct floatformat floatformat_ia64_quad_big;
-extern const struct floatformat floatformat_ia64_quad_little;
/* IBM long double (double+double). */
extern const struct floatformat floatformat_ibm_long_double_big;
extern const struct floatformat floatformat_ibm_long_double_little;
diff --git a/libiberty/floatformat.c b/libiberty/floatformat.c
index ce36bae..f93568b 100644
--- a/libiberty/floatformat.c
+++ b/libiberty/floatformat.c
@@ -78,7 +78,7 @@ floatformat_always_valid (const struct floatformat *fmt ATTRIBUTE_UNUSED,
a system header, what we do if not, etc. */
#define FLOATFORMAT_CHAR_BIT 8
-/* floatformats for IEEE half, single and double, big and little endian. */
+/* floatformats for IEEE half, single, double and quad, big and little endian. */
const struct floatformat floatformat_ieee_half_big =
{
floatformat_big, 16, 0, 1, 5, 15, 31, 6, 10,
@@ -127,6 +127,22 @@ const struct floatformat floatformat_ieee_double_little =
floatformat_always_valid,
NULL
};
+const struct floatformat floatformat_ieee_quad_big =
+{
+ floatformat_big, 128, 0, 1, 15, 16383, 0x7fff, 16, 112,
+ floatformat_intbit_no,
+ "floatformat_ieee_quad_big",
+ floatformat_always_valid,
+ NULL
+};
+const struct floatformat floatformat_ieee_quad_little =
+{
+ floatformat_little, 128, 0, 1, 15, 16383, 0x7fff, 16, 112,
+ floatformat_intbit_no,
+ "floatformat_ieee_quad_little",
+ floatformat_always_valid,
+ NULL
+};
/* floatformat for IEEE double, little endian byte order, with big endian word
ordering, as on the ARM. */
@@ -269,22 +285,6 @@ const struct floatformat floatformat_ia64_spill_little =
floatformat_always_valid,
NULL
};
-const struct floatformat floatformat_ia64_quad_big =
-{
- floatformat_big, 128, 0, 1, 15, 16383, 0x7fff, 16, 112,
- floatformat_intbit_no,
- "floatformat_ia64_quad_big",
- floatformat_always_valid,
- NULL
-};
-const struct floatformat floatformat_ia64_quad_little =
-{
- floatformat_little, 128, 0, 1, 15, 16383, 0x7fff, 16, 112,
- floatformat_intbit_no,
- "floatformat_ia64_quad_little",
- floatformat_always_valid,
- NULL
-};
static int
floatformat_ibm_long_double_is_valid (const struct floatformat *fmt,
--
2.1.0
next prev parent reply other threads:[~2022-03-08 12:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-08 12:00 [PATCH 0/2] gdb: rename floatformats_ia64_quad and fix failed testcases Tiezhu Yang
2022-03-08 12:00 ` Tiezhu Yang [this message]
2022-03-09 14:24 ` [PATCH 1/2] gdb: rename floatformats_ia64_quad to floatformats_ieee_quad Luis Machado
2022-03-11 14:49 ` Tom Tromey
2022-03-08 12:00 ` [PATCH 2/2] gdb: LoongArch: fix failed testcases in gdb.base/align-c.exp Tiezhu Yang
2022-03-11 14:51 ` Tom Tromey
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