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| author | Ulrich Drepper <drepper@gmail.com> | 2011-12-22 16:28:08 -0500 |
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| committer | Ulrich Drepper <drepper@gmail.com> | 2011-12-22 16:28:08 -0500 |
| commit | db910efdbdbdde9e7c0a33cb6f6fc9e91672d6f2 (patch) | |
| tree | dce51295e4eb262a3d9b02d8d5210499816de6fc | |
| parent | f311e884ece21af3a7b7ce117c7bd2f0144b5e90 (diff) | |
| download | glibc-db910efdbdbdde9e7c0a33cb6f6fc9e91672d6f2.zip glibc-db910efdbdbdde9e7c0a33cb6f6fc9e91672d6f2.tar.gz glibc-db910efdbdbdde9e7c0a33cb6f6fc9e91672d6f2.tar.bz2 | |
Also retrieve SSE exceptions in x86-32 fegetexceptflag
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | NEWS | 8 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/fgetexcptflg.c | 22 |
3 files changed, 28 insertions, 8 deletions
@@ -1,3 +1,9 @@ +2011-12-22 Ulrich Drepper <drepper@gmail.com> + + [BZ #13185] + * sysdeps/i386/fpu/fgetexcptflg.c (__fegetexceptflag): Also return + SSE flags if possible. + 2011-12-22 Liubov Dmitrieva <liubov.dmitrieva@gmail.com> * sysdeps/i386/i686/multiarch/strcpy-ssse3.S: Fix wrong copying @@ -11,10 +11,10 @@ Version 2.15 6779, 6783, 9696, 10103, 10709, 11589, 12403, 12847, 12868, 12852, 12874, 12885, 12892, 12907, 12922, 12935, 13007, 13021, 13067, 13068, 13090, - 13092, 13114, 13118, 13123, 13134, 13138, 13147, 13150, 13179, 13189, - 13192, 13268, 13276, 13282, 13291, 13305, 13328, 13335, 13337, 13344, - 13358, 13367, 13413, 13416, 13423, 13439, 13446, 13472, 13484, 13506, - 13515, 13523, 13524, 13538 + 13092, 13114, 13118, 13123, 13134, 13138, 13147, 13150, 13179, 13185, + 13189, 13192, 13268, 13276, 13282, 13291, 13305, 13328, 13335, 13337, + 13344, 13358, 13367, 13413, 13416, 13423, 13439, 13446, 13472, 13484, + 13506, 13515, 13523, 13524, 13538 * New program pldd to list loaded object of a process Implemented by Ulrich Drepper. diff --git a/sysdeps/i386/fpu/fgetexcptflg.c b/sysdeps/i386/fpu/fgetexcptflg.c index 5f60511..1a0e6df 100644 --- a/sysdeps/i386/fpu/fgetexcptflg.c +++ b/sysdeps/i386/fpu/fgetexcptflg.c @@ -1,5 +1,5 @@ /* Store current representation for exceptions. - Copyright (C) 1997,99,2000,01 Free Software Foundation, Inc. + Copyright (C) 1997,99,2000,01,11 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -19,7 +19,10 @@ 02111-1307 USA. */ #include <fenv.h> -#include <bp-sym.h> +#include <unistd.h> +#include <ldsodefs.h> +#include <dl-procinfo.h> + int __fegetexceptflag (fexcept_t *flagp, int excepts) @@ -31,6 +34,17 @@ __fegetexceptflag (fexcept_t *flagp, int excepts) *flagp = temp & excepts & FE_ALL_EXCEPT; + /* If the CPU supports SSE, we clear the MXCSR as well. */ + if ((GLRO(dl_hwcap) & HWCAP_I386_XMM) != 0) + { + unsigned int sse_exc; + + /* Get the current MXCSR. */ + __asm__ ("stmxcsr %0" : "=m" (*&sse_exc)); + + *flagp |= sse_exc & excepts & FE_ALL_EXCEPT; + } + /* Success. */ return 0; } @@ -38,7 +52,7 @@ __fegetexceptflag (fexcept_t *flagp, int excepts) #include <shlib-compat.h> #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) strong_alias (__fegetexceptflag, __old_fegetexceptflag) -compat_symbol (libm, BP_SYM (__old_fegetexceptflag), BP_SYM (fegetexceptflag), GLIBC_2_1); +compat_symbol (libm, __old_fegetexceptflag, fegetexceptflag, GLIBC_2_1); #endif -versioned_symbol (libm, BP_SYM (__fegetexceptflag), BP_SYM (fegetexceptflag), GLIBC_2_2); +versioned_symbol (libm, __fegetexceptflag, fegetexceptflag, GLIBC_2_2); |