Remove configure tests for AVX support.

GCC added support for -mavx and -msse2avx in version 4.4.  Thus the
configure tests for this support are obsolete, and this patch removes
them.

Tested for x86_64 and x86 (testsuite, and that installed stripped
shared libraries are unchanged by this patch).

	* sysdeps/i386/configure.ac (libc_cv_cc_avx): Remove configure
	test.
	(libc_cv_cc_sse2avx): Likewise.
	* sysdeps/i386/configure: Regenerated.
	* sysdeps/i386/i686/multiarch/Makefile
	[$(subdir)$(config-cflags-avx) = mathyes]: Change conditional to
	[$(subdir) = math].
	* sysdeps/i386/i686/multiarch/s_fma-fma.c [HAVE_AVX_SUPPORT]: Make
	code unconditional.
	* sysdeps/i386/i686/multiarch/s_fma.c [HAVE_AVX_SUPPORT]:
	Likewise.
	* sysdeps/i386/i686/multiarch/s_fmaf-fma.c [HAVE_AVX_SUPPORT]:
	Likewise.
	* sysdeps/i386/i686/multiarch/s_fmaf.c [HAVE_AVX_SUPPORT]:
	Likewise.
	* sysdeps/x86_64/configure.ac (libc_cv_cc_avx): Remove configure
	test.
	(libc_cv_cc_sse2avx): Likewise.
	* sysdeps/x86_64/configure: Regenerated.
	* sysdeps/x86_64/Makefile [$(config-cflags-avx) = yes]: Make code
	unconditional.
	* sysdeps/x86_64/dl-trampoline.h (_dl_runtime_profile)
	[HAVE_AVX_SUPPORT || HAVE_AVX512_ASM_SUPPORT]: Make code
	unconditional.
	(_dl_runtime_profile)
	[!(HAVE_AVX_SUPPORT || HAVE_AVX512_ASM_SUPPORT)]: Remove
	conditional code.
	* sysdeps/x86_64/fpu/multiarch/Makefile
	[$(config-cflags-sse2avx) = yes]: Make code unconditional.
	* sysdeps/x86_64/fpu/multiarch/e_atan2.c
	[HAVE_FMA4_SUPPORT || HAVE_AVX_SUPPORT]: Likewise.
	* sysdeps/x86_64/fpu/multiarch/e_exp.c
	[HAVE_FMA4_SUPPORT || HAVE_AVX_SUPPORT]: Likewise.
	* sysdeps/x86_64/fpu/multiarch/e_log.c
	[HAVE_FMA4_SUPPORT || HAVE_AVX_SUPPORT]: Likewise.
	* sysdeps/x86_64/fpu/multiarch/s_atan.c
	[HAVE_FMA4_SUPPORT || HAVE_AVX_SUPPORT]: Likewise.
	* sysdeps/x86_64/fpu/multiarch/s_fma.c [HAVE_AVX_SUPPORT]:
	Likewise.
	* sysdeps/x86_64/fpu/multiarch/s_fmaf.c [HAVE_AVX_SUPPORT]:
	Likewise.
	* sysdeps/x86_64/fpu/multiarch/s_sin.c
	[HAVE_FMA4_SUPPORT || HAVE_AVX_SUPPORT]: Likewise.
	* sysdeps/x86_64/fpu/multiarch/s_tan.c
	[HAVE_FMA4_SUPPORT || HAVE_AVX_SUPPORT]: Likewise.
	* sysdeps/x86_64/multiarch/strcmp.S [HAVE_AVX_SUPPORT]: Likewise.
	* config.h.in (HAVE_AVX_SUPPORT): Remove #undef.
	(HAVE_SSE2AVX_SUPPORT): Likewise.

1 files changed, 7 insertions, 10 deletions

diff --git a/sysdeps/x86_64/fpu/multiarch/s_fmaf.c b/sysdeps/x86_64/fpu/multiarch/s_fmaf.c
index bebd3ee431..eb7d30efca 100644
--- a/sysdeps/x86_64/fpu/multiarch/s_fmaf.c
+++ b/sysdeps/x86_64/fpu/multiarch/s_fmaf.c
@@ -20,8 +20,6 @@
 #include <math.h>
 #include <init-arch.h>
 
-#ifdef HAVE_AVX_SUPPORT
-
 extern float __fmaf_sse2 (float x, float y, float z) attribute_hidden;
 
 
@@ -33,18 +31,18 @@ __fmaf_fma3 (float x, float y, float z)
 }
 
 
-# ifdef HAVE_FMA4_SUPPORT
+#ifdef HAVE_FMA4_SUPPORT
 static float
 __fmaf_fma4 (float x, float y, float z)
 {
   asm ("vfmaddss %3, %2, %1, %0" : "=x" (x) : "x" (x), "x" (y), "x" (z));
   return x;
 }
-# else
-#  undef HAS_ARCH_FEATURE
-#  define HAS_ARCH_FEATURE(feature) 0
-#  define __fmaf_fma4 ((void *) 0)
-# endif
+#else
+# undef HAS_ARCH_FEATURE
+# define HAS_ARCH_FEATURE(feature) 0
+# define __fmaf_fma4 ((void *) 0)
+#endif
 
 
 libm_ifunc (__fmaf, HAS_ARCH_FEATURE (FMA_Usable)
@@ -52,7 +50,6 @@ libm_ifunc (__fmaf, HAS_ARCH_FEATURE (FMA_Usable)
 			     ? __fmaf_fma4 : __fmaf_sse2));
 weak_alias (__fmaf, fmaf)
 
-# define __fmaf __fmaf_sse2
-#endif
+#define __fmaf __fmaf_sse2
 
 #include <sysdeps/ieee754/dbl-64/s_fmaf.c>