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* [glibc] Refactor *cvt functions implementation (2/2)
@ 2019-12-23 20:55 Gabriel F.T.Gomes
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From: Gabriel F.T.Gomes @ 2019-12-23 20:55 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dce425341171ec5784c87165e23883630971bd97
commit dce425341171ec5784c87165e23883630971bd97
Author: Gabriel F. T. Gomes <gabrielftg@linux.ibm.com>
Date: Tue Nov 26 14:48:49 2019 -0300
Refactor *cvt functions implementation (2/2)
This patch refactors the *cvt functions implementation in a way that
makes it easier to re-use them for implementing the IEEE long double on
powerpc64le. By removing the macros that generate the function names
(APPEND combined with FUNC_PREFIX), the new code makes it easier to
define new function names, such as __qecvtieee128.
Tested that installed stripped binaries for all build-many-glibcs
targets remain identical before and after this patch. Also tested for
powerpc64le and x86_64.
Reviewed-by: Paul E. Murphy <murphyp@linux.ibm.com>
Diff:
---
misc/efgcvt-template.c | 19 ++++++-------------
misc/efgcvt.c | 25 ++++++++++++++++---------
misc/efgcvt_r-template.c | 14 ++++++--------
misc/efgcvt_r.c | 19 ++++++++++---------
misc/qefgcvt.c | 25 +++++++++++++++----------
misc/qefgcvt_r.c | 19 +++++++++----------
6 files changed, 62 insertions(+), 59 deletions(-)
diff --git a/misc/efgcvt-template.c b/misc/efgcvt-template.c
index aeb4e1e..7fabdf2 100644
--- a/misc/efgcvt-template.c
+++ b/misc/efgcvt-template.c
@@ -25,8 +25,6 @@
#define APPEND(a, b) APPEND2 (a, b)
#define APPEND2(a, b) a##b
-#define __APPEND(a, b) __APPEND2 (a, b)
-#define __APPEND2(a, b) __##a##b
#define FCVT_BUFFER APPEND (FUNC_PREFIX, fcvt_buffer)
@@ -39,13 +37,11 @@ static char ECVT_BUFFER[MAXDIG];
libc_freeres_ptr (static char *FCVT_BUFPTR);
char *
-__APPEND (FUNC_PREFIX, fcvt) (FLOAT_TYPE value, int ndigit, int *decpt,
- int *sign)
+__FCVT (FLOAT_TYPE value, int ndigit, int *decpt, int *sign)
{
if (FCVT_BUFPTR == NULL)
{
- if (__APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit, decpt, sign,
- FCVT_BUFFER, MAXDIG) != -1)
+ if (__FCVT_R (value, ndigit, decpt, sign, FCVT_BUFFER, MAXDIG) != -1)
return FCVT_BUFFER;
FCVT_BUFPTR = (char *) malloc (FCVT_MAXDIG);
@@ -53,25 +49,22 @@ __APPEND (FUNC_PREFIX, fcvt) (FLOAT_TYPE value, int ndigit, int *decpt,
return FCVT_BUFFER;
}
- (void) __APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit, decpt, sign,
- FCVT_BUFPTR, FCVT_MAXDIG);
+ (void) __FCVT_R (value, ndigit, decpt, sign, FCVT_BUFPTR, FCVT_MAXDIG);
return FCVT_BUFPTR;
}
char *
-__APPEND (FUNC_PREFIX, ecvt) (FLOAT_TYPE value, int ndigit, int *decpt,
- int *sign)
+__ECVT (FLOAT_TYPE value, int ndigit, int *decpt, int *sign)
{
- (void) __APPEND (FUNC_PREFIX, ecvt_r) (value, ndigit, decpt, sign,
- ECVT_BUFFER, MAXDIG);
+ (void) __ECVT_R (value, ndigit, decpt, sign, ECVT_BUFFER, MAXDIG);
return ECVT_BUFFER;
}
char *
-__APPEND (FUNC_PREFIX, gcvt) (FLOAT_TYPE value, int ndigit, char *buf)
+__GCVT (FLOAT_TYPE value, int ndigit, char *buf)
{
sprintf (buf, "%.*" FLOAT_FMT_FLAG "g", MIN (ndigit, NDIGIT_MAX), value);
return buf;
diff --git a/misc/efgcvt.c b/misc/efgcvt.c
index 9021b03..ddf3069 100644
--- a/misc/efgcvt.c
+++ b/misc/efgcvt.c
@@ -16,20 +16,27 @@
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
+#define ECVT ecvt
+#define FCVT fcvt
+#define GCVT gcvt
+#define __ECVT __ecvt
+#define __FCVT __fcvt
+#define __GCVT __gcvt
+#define __ECVT_R __ecvt_r
+#define __FCVT_R __fcvt_r
#include <efgcvt-dbl-macros.h>
#include <efgcvt-template.c>
#if LONG_DOUBLE_COMPAT (libc, GLIBC_2_0)
-# define cvt_symbol(symbol) \
- cvt_symbol_1 (libc, __APPEND (FUNC_PREFIX, symbol), \
- APPEND (q, symbol), GLIBC_2_0); \
- strong_alias (__APPEND (FUNC_PREFIX, symbol), APPEND (FUNC_PREFIX, symbol))
+# define cvt_symbol(local, symbol) \
+ cvt_symbol_1 (libc, local, APPEND (q, symbol), GLIBC_2_0); \
+ strong_alias (local, symbol)
# define cvt_symbol_1(lib, local, symbol, version) \
compat_symbol (lib, local, symbol, version)
#else
-# define cvt_symbol(symbol) \
- strong_alias (__APPEND (FUNC_PREFIX, symbol), APPEND (FUNC_PREFIX, symbol))
+# define cvt_symbol(local, symbol) \
+ strong_alias (local, symbol)
#endif
-cvt_symbol(fcvt);
-cvt_symbol(ecvt);
-cvt_symbol(gcvt);
+cvt_symbol (__fcvt, fcvt);
+cvt_symbol (__ecvt, ecvt);
+cvt_symbol (__gcvt, gcvt);
diff --git a/misc/efgcvt_r-template.c b/misc/efgcvt_r-template.c
index 1cd335af..9777501 100644
--- a/misc/efgcvt_r-template.c
+++ b/misc/efgcvt_r-template.c
@@ -28,12 +28,10 @@
#define APPEND(a, b) APPEND2 (a, b)
#define APPEND2(a, b) a##b
-#define __APPEND(a, b) __APPEND2 (a, b)
-#define __APPEND2(a, b) __##a##b
int
-__APPEND (FUNC_PREFIX, fcvt_r) (FLOAT_TYPE value, int ndigit, int *decpt,
- int *sign, char *buf, size_t len)
+__FCVT_R (FLOAT_TYPE value, int ndigit, int *decpt, int *sign,
+ char *buf, size_t len)
{
ssize_t n;
ssize_t i;
@@ -127,8 +125,8 @@ __APPEND (FUNC_PREFIX, fcvt_r) (FLOAT_TYPE value, int ndigit, int *decpt,
}
int
-__APPEND (FUNC_PREFIX, ecvt_r) (FLOAT_TYPE value, int ndigit, int *decpt,
- int *sign, char *buf, size_t len)
+__ECVT_R (FLOAT_TYPE value, int ndigit, int *decpt, int *sign,
+ char *buf, size_t len)
{
int exponent = 0;
@@ -187,8 +185,8 @@ __APPEND (FUNC_PREFIX, ecvt_r) (FLOAT_TYPE value, int ndigit, int *decpt,
*sign = isfinite (value) ? signbit (value) != 0 : 0;
}
else
- if (__APPEND (FUNC_PREFIX, fcvt_r) (value, MIN (ndigit, NDIGIT_MAX) - 1,
- decpt, sign, buf, len))
+ if (__FCVT_R (value, MIN (ndigit, NDIGIT_MAX) - 1,
+ decpt, sign, buf, len))
return -1;
*decpt += exponent;
diff --git a/misc/efgcvt_r.c b/misc/efgcvt_r.c
index ad78f15..5dabcad 100644
--- a/misc/efgcvt_r.c
+++ b/misc/efgcvt_r.c
@@ -16,23 +16,24 @@
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
+#define ECVT_R ecvt_r
+#define FCVT_R fcvt_r
+#define __ECVT_R __ecvt_r
+#define __FCVT_R __fcvt_r
#include <efgcvt-dbl-macros.h>
#include <efgcvt_r-template.c>
#if LONG_DOUBLE_COMPAT (libc, GLIBC_2_0)
-# define cvt_symbol(symbol) \
- cvt_symbol_1 (libc, __APPEND (FUNC_PREFIX, symbol), \
- APPEND (q, symbol), GLIBC_2_0); \
- weak_alias (__APPEND (FUNC_PREFIX, symbol), APPEND (FUNC_PREFIX, symbol))
+# define cvt_symbol(local, symbol) \
+ cvt_symbol_1 (libc, local, APPEND (q, symbol), GLIBC_2_0); \
+ weak_alias (local, symbol)
# define cvt_symbol_1(lib, local, symbol, version) \
libc_hidden_def (local) \
compat_symbol (lib, local, symbol, version)
#else
-# define cvt_symbol(symbol) \
- cvt_symbol_1 (__APPEND (FUNC_PREFIX, symbol), APPEND (FUNC_PREFIX, symbol))
-# define cvt_symbol_1(local, symbol) \
+# define cvt_symbol(local, symbol) \
libc_hidden_def (local) \
weak_alias (local, symbol)
#endif
-cvt_symbol(fcvt_r);
-cvt_symbol(ecvt_r);
+cvt_symbol (__fcvt_r, fcvt_r);
+cvt_symbol (__ecvt_r, ecvt_r);
diff --git a/misc/qefgcvt.c b/misc/qefgcvt.c
index 8f1582a..903bf93 100644
--- a/misc/qefgcvt.c
+++ b/misc/qefgcvt.c
@@ -16,19 +16,24 @@
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
+#define ECVT qecvt
+#define FCVT qfcvt
+#define GCVT qgcvt
+#define __ECVT __qecvt
+#define __FCVT __qfcvt
+#define __GCVT __qgcvt
+#define __ECVT_R __qecvt_r
+#define __FCVT_R __qfcvt_r
#include <efgcvt-ldbl-macros.h>
#include <efgcvt-template.c>
#if LONG_DOUBLE_COMPAT (libc, GLIBC_2_0)
-# define cvt_symbol(symbol) \
- cvt_symbol_1 (libc, __APPEND (FUNC_PREFIX, symbol), \
- APPEND (FUNC_PREFIX, symbol), GLIBC_2_4)
-# define cvt_symbol_1(lib, local, symbol, version) \
- versioned_symbol (lib, local, symbol, version)
+# define cvt_symbol(local, symbol) \
+ versioned_symbol (libc, local, symbol, GLIBC_2_4)
#else
-# define cvt_symbol(symbol) \
- strong_alias (__APPEND (FUNC_PREFIX, symbol), APPEND (FUNC_PREFIX, symbol))
+# define cvt_symbol(local, symbol) \
+ strong_alias (local, symbol)
#endif
-cvt_symbol(fcvt);
-cvt_symbol(ecvt);
-cvt_symbol(gcvt);
+cvt_symbol (__qfcvt, qfcvt);
+cvt_symbol (__qecvt, qecvt);
+cvt_symbol (__qgcvt, qgcvt);
diff --git a/misc/qefgcvt_r.c b/misc/qefgcvt_r.c
index 4240f1d..b790bf7 100644
--- a/misc/qefgcvt_r.c
+++ b/misc/qefgcvt_r.c
@@ -17,22 +17,21 @@
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
+#define ECVT_R qecvt_r
+#define FCVT_R qfcvt_r
+#define __ECVT_R __qecvt_r
+#define __FCVT_R __qfcvt_r
#include <efgcvt-ldbl-macros.h>
#include <efgcvt_r-template.c>
#if LONG_DOUBLE_COMPAT (libc, GLIBC_2_0)
-# define cvt_symbol(symbol) \
- cvt_symbol_1 (libc, __APPEND (FUNC_PREFIX, symbol), \
- APPEND (FUNC_PREFIX, symbol), GLIBC_2_4)
-# define cvt_symbol_1(lib, local, symbol, version) \
+# define cvt_symbol(local, symbol) \
libc_hidden_def (local) \
- versioned_symbol (lib, local, symbol, version)
+ versioned_symbol (libc, local, symbol, GLIBC_2_4)
#else
-# define cvt_symbol(symbol) \
- cvt_symbol_1 (__APPEND (FUNC_PREFIX, symbol), APPEND (FUNC_PREFIX, symbol))
-# define cvt_symbol_1(local, symbol) \
+# define cvt_symbol(local, symbol) \
libc_hidden_def (local) \
weak_alias (local, symbol)
#endif
-cvt_symbol(fcvt_r);
-cvt_symbol(ecvt_r);
+cvt_symbol (__qfcvt_r, qfcvt_r);
+cvt_symbol (__qecvt_r, qecvt_r);
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