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Update.
2004-03-09 Richard Henderson <rth@redhat.com> * math/math.h (isgreater, isgreaterequal, isless, islessequal, islessgreater, isunordered): Use builtins if available. * sysdeps/i386/fpu/bits/mathinline.h: Don't define via builtins. * sysdeps/m68k/fpu/bits/mathinline.h: Likewise. * sysdeps/powerpc/fpu/bits/mathinline.h: Likewise. * sysdeps/sparc/fpu/bits/mathinline.h: Likewise. * sysdeps/x86_64/fpu/bits/mathinline.h: Likewise. * sysdeps/alpha/fpu/bits/mathinline.h (isgreater, isgreaterequal, isless, islessequal, islessgreater): Remove; use default. (isunordered): Convert inputs to double.
This commit is contained in:
Ulrich Drepper
parent
8b9d605485
commit
f4c024d1f9
13
ChangeLog
13
ChangeLog
@ -1,3 +1,16 @@
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2004-03-09 Richard Henderson <rth@redhat.com>
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* math/math.h (isgreater, isgreaterequal, isless, islessequal,
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islessgreater, isunordered): Use builtins if available.
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* sysdeps/i386/fpu/bits/mathinline.h: Don't define via builtins.
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* sysdeps/m68k/fpu/bits/mathinline.h: Likewise.
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* sysdeps/powerpc/fpu/bits/mathinline.h: Likewise.
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* sysdeps/sparc/fpu/bits/mathinline.h: Likewise.
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* sysdeps/x86_64/fpu/bits/mathinline.h: Likewise.
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* sysdeps/alpha/fpu/bits/mathinline.h (isgreater, isgreaterequal,
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isless, islessequal, islessgreater): Remove; use default.
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(isunordered): Convert inputs to double.
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2004-02-09 Jakub Jelinek <jakub@redhat.com>
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* posix/Makefile (tests): Add tst-vfork2.
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22
math/math.h
22
math/math.h
@ -357,18 +357,28 @@ extern int matherr (struct exception *__exc);
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# define __NO_MATH_INLINES 1
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#endif
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#if __USE_ISOC99 && __GNUC_PREREQ(2,97)
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/* ISO C99 defines some macros to compare number while taking care for
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unordered numbers. Many FPUs provide special instructions to support
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these operations. Generic support in GCC for these as builtins went
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in before 3.0.0, but not all cpus added their patterns. We define
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versions that use the builtins here, and <bits/mathinline.h> will
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undef/redefine as appropriate for the specific GCC version in use. */
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# define isgreater(x, y) __builtin_isgreater(x, y)
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# define isgreaterequal(x, y) __builtin_isgreaterequal(x, y)
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# define isless(x, y) __builtin_isless(x, y)
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# define islessequal(x, y) __builtin_islessequal(x, y)
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# define islessgreater(x, y) __builtin_islessgreater(x, y)
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# define isunordered(u, v) __builtin_isunordered(u, v)
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#endif
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/* Get machine-dependent inline versions (if there are any). */
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#ifdef __USE_EXTERN_INLINES
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# include <bits/mathinline.h>
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#endif
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#if __USE_ISOC99
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/* ISO C99 defines some macros to compare number while taking care
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for unordered numbers. Since many FPUs provide special
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instructions to support these operations and these tests are
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defined in <bits/mathinline.h>, we define the generic macros at
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this late point and only if they are not defined yet. */
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/* If we've still got undefined comparison macros, provide defaults. */
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/* Return nonzero value if X is greater than Y. */
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# ifndef isgreater
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@ -1,3 +1,16 @@
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2004-03-09 Richard Henderson <rth@redhat.com>
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* math/math.h (isgreater, isgreaterequal, isless, islessequal,
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islessgreater, isunordered): Use builtins if available.
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* sysdeps/i386/fpu/bits/mathinline.h: Don't define via builtins.
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* sysdeps/m68k/fpu/bits/mathinline.h: Likewise.
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* sysdeps/powerpc/fpu/bits/mathinline.h: Likewise.
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* sysdeps/sparc/fpu/bits/mathinline.h: Likewise.
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* sysdeps/x86_64/fpu/bits/mathinline.h: Likewise.
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* sysdeps/alpha/fpu/bits/mathinline.h (isgreater, isgreaterequal,
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isless, islessequal, islessgreater): Remove; use default.
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(isunordered): Convert inputs to double.
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2004-02-09 Jakub Jelinek <jakub@redhat.com>
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* sysdeps/unix/sysv/linux/i386/vfork.S (SAVE_PID): Negate PID
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@ -1,4 +1,4 @@
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/* Copyright (C) 2003 Free Software Foundation, Inc.
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/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
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@ -105,6 +105,7 @@ tf (void *arg)
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static int
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do_one_test (void)
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{
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in_sh_body = 0;
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cleanups = 0;
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if (pipe (fd) != 0 || pipe (fd + 2) != 0)
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{
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@ -1,4 +1,4 @@
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/* Copyright (C) 2003 Free Software Foundation, Inc.
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/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
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@ -162,6 +162,8 @@ tf (void *arg)
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static int
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do_one_test (void)
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{
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in_sh_body = 0;
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pid_t pid = fork ();
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if (pid == -1)
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@ -28,34 +28,19 @@
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# define __MATH_INLINE extern __inline
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#endif
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#ifdef __USE_ISOC99
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# define isunordered(x, y) \
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#if defined __USE_ISOC99 && defined __GNUC__ && !__GNUC_PREREQ(3,0)
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# undef isgreater
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# undef isgreaterequal
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# undef isless
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# undef islessequal
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# undef islessgreater
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# undef isunordered
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# define isunordered(u, v) \
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(__extension__ \
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({ double __r; \
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({ double __r, __u = (u), __v = (v); \
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__asm ("cmptun/su %1,%2,%0\n\ttrapb" \
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: "=&f" (__r) : "f" (x), "f"(y)); \
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: "=&f" (__r) : "f" (__u), "f"(__v)); \
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__r != 0; }))
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# define isgreater(x, y) \
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(__extension__ \
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({ __typeof__(x) __x = (x); __typeof__(y) __y = (y); \
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!isunordered(__x, __y) && __x > __y; }))
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# define isgreaterequal(x, y) \
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(__extension__ \
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({ __typeof__(x) __x = (x); __typeof__(y) __y = (y); \
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!isunordered(__x, __y) && __x >= __y; }))
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# define isless(x, y) \
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(__extension__ \
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({ __typeof__(x) __x = (x); __typeof__(y) __y = (y); \
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!isunordered(__x, __y) && __x < __y; }))
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# define islessequal(x, y) \
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(__extension__ \
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({ __typeof__(x) __x = (x); __typeof__(y) __y = (y); \
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!isunordered(__x, __y) && __x <= __y; }))
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# define islessgreater(x, y) \
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(__extension__ \
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({ __typeof__(x) __x = (x); __typeof__(y) __y = (y); \
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!isunordered(__x, __y) && __x != __y; }))
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#endif /* ISO C99 */
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#if (!defined __NO_MATH_INLINES || defined __LIBC_INTERNAL_MATH_INLINES) \
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@ -30,19 +30,18 @@
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#if defined __USE_ISOC99 && defined __GNUC__ && __GNUC__ >= 2
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# if __GNUC_PREREQ (2,97)
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/* GCC 2.97 and up have builtins that actually can be used. */
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# define isgreater(x, y) __builtin_isgreater (x, y)
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# define isgreaterequal(x, y) __builtin_isgreaterequal (x, y)
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# define isless(x, y) __builtin_isless (x, y)
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# define islessequal(x, y) __builtin_islessequal (x, y)
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# define islessgreater(x, y) __builtin_islessgreater (x, y)
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# define isunordered(x, y) __builtin_isunordered (x, y)
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# else
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# if !__GNUC_PREREQ (2,97)
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/* ISO C99 defines some macros to perform unordered comparisons. The
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ix87 FPU supports this with special opcodes and we should use them.
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These must not be inline functions since we have to be able to handle
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all floating-point types. */
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# undef isgreater
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# undef isgreaterequal
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# undef isless
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# undef islessequal
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# undef islessgreater
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# undef isunordered
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# ifdef __i686__
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/* For the PentiumPro and more recent processors we can provide
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better code. */
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@ -21,20 +21,18 @@
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#ifdef __GNUC__
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#ifdef __USE_ISOC99
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# if __GNUC_PREREQ (3,1)
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/* GCC 3.1 and up have builtins that actually can be used. */
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# define isgreater(x, y) __builtin_isgreater (x, y)
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# define isgreaterequal(x, y) __builtin_isgreaterequal (x, y)
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# define isless(x, y) __builtin_isless (x, y)
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# define islessequal(x, y) __builtin_islessequal (x, y)
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# define islessgreater(x, y) __builtin_islessgreater (x, y)
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# define isunordered(x, y) __builtin_isunordered (x, y)
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# else
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# if !__GNUC_PREREQ (3,1)
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/* ISO C99 defines some macros to perform unordered comparisons. The
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m68k FPU supports this with special opcodes and we should use them.
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These must not be inline functions since we have to be able to handle
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all floating-point types. */
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# undef isgreater
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# undef isgreaterequal
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# undef isless
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# undef islessequal
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# undef islessgreater
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# undef isunordered
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# define isgreater(x, y) \
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__extension__ \
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({ char __result; \
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@ -21,17 +21,7 @@
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#if defined __GNUC__ && !defined _SOFT_FLOAT
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#ifdef __USE_ISOC99
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# if __GNUC_PREREQ (2,96)
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# define isgreater(x, y) __builtin_isgreater (x, y)
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# define isgreaterequal(x, y) __builtin_isgreaterequal (x, y)
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# define isless(x, y) __builtin_isless (x, y)
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# define islessequal(x, y) __builtin_islessequal (x, y)
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# define islessgreater(x, y) __builtin_islessgreater (x, y)
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# define isunordered(x, y) __builtin_isunordered (x, y)
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# else
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# if !__GNUC_PREREQ (2,97)
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# define __unordered_cmp(x, y) \
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(__extension__ \
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({ __typeof__(x) __x = (x); __typeof__(y) __y = (y); \
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@ -40,6 +30,13 @@
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: "cr7"); \
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__r; }))
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# undef isgreater
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# undef isgreaterequal
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# undef isless
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# undef islessequal
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# undef islessgreater
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# undef isunordered
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# define isgreater(x, y) (__unordered_cmp (x, y) >> 2 & 1)
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# define isgreaterequal(x, y) ((__unordered_cmp (x, y) & 6) != 0)
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# define isless(x, y) (__unordered_cmp (x, y) >> 3 & 1)
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@ -24,9 +24,13 @@
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#include <bits/wordsize.h>
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#ifdef __GNUC__
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#ifdef __USE_ISOC99
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#if defined __USE_ISOC99 && defined __GNUC__ && !__GNUC_PREREQ(3,0)
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# undef isgreater
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# undef isgreaterequal
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# undef isless
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# undef islessequal
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# undef islessgreater
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# undef isunordered
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# if __WORDSIZE == 32
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@ -30,14 +30,6 @@
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#if defined __USE_ISOC99 && defined __GNUC__ && __GNUC__ >= 2
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/* GCC has builtins that can be used. */
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# define isgreater(x, y) __builtin_isgreater (x, y)
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# define isgreaterequal(x, y) __builtin_isgreaterequal (x, y)
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# define isless(x, y) __builtin_isless (x, y)
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# define islessequal(x, y) __builtin_islessequal (x, y)
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# define islessgreater(x, y) __builtin_islessgreater (x, y)
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# define isunordered(x, y) __builtin_isunordered (x, y)
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/* Test for negative number. Used in the signbit() macro. */
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__MATH_INLINE int
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