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authorJoseph Myers <joseph@codesourcery.com>2015-10-09 16:02:54 +0000
committerJoseph Myers <joseph@codesourcery.com>2015-10-09 16:02:54 +0000
commitb7848899a591a9de23db6afeb9992668ef8aff88 (patch)
tree91ff0e3888868bf5d586ec0919a83a3d7da55b0e /sysdeps/i386/configure.ac
parent0e069029a8bb132876d315242054a312ae106852 (diff)
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Remove configure tests for FMA4 support.
GCC added support for -mfma4 in version 4.5.  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_fma4): Remove configure
	test.
	* sysdeps/i386/configure: Regenerated.
	* sysdeps/x86_64/configure.ac (libc_cv_cc_fma4): Remove configure
	test.
	* sysdeps/x86_64/configure: Regenerated.
	* sysdeps/x86_64/fpu/multiarch/Makefile [$(have-mfma4) = yes]:
	Make code unconditional.
	* sysdeps/x86_64/fpu/multiarch/e_asin.c [HAVE_FMA4_SUPPORT]:
	Likewise.
	* sysdeps/x86_64/fpu/multiarch/e_atan2.c [HAVE_FMA4_SUPPORT]:
	Likewise.
	[!HAVE_FMA4_SUPPORT]: Remove conditional code.
	* sysdeps/x86_64/fpu/multiarch/e_exp.c [HAVE_FMA4_SUPPORT]: Make
	code unconditional.
	[!HAVE_FMA4_SUPPORT]: Remove conditional code.
	* sysdeps/x86_64/fpu/multiarch/e_log.c [HAVE_FMA4_SUPPORT]: Make
	code unconditional.
	[!HAVE_FMA4_SUPPORT]: Remove conditional code.
	* sysdeps/x86_64/fpu/multiarch/e_pow.c [HAVE_FMA4_SUPPORT]: Make
	code unconditional.
	* sysdeps/x86_64/fpu/multiarch/s_atan.c [HAVE_FMA4_SUPPORT]: Make
	code unconditional.
	[!HAVE_FMA4_SUPPORT]: Remove conditional code.
	* sysdeps/x86_64/fpu/multiarch/s_fma.c [HAVE_FMA4_SUPPORT]: Make
	code unconditional.
	[!HAVE_FMA4_SUPPORT]: Remove conditional code.
	* sysdeps/x86_64/fpu/multiarch/s_fmaf.c [HAVE_FMA4_SUPPORT]: Make
	code unconditional.
	[!HAVE_FMA4_SUPPORT]: Remove conditional code.
	* sysdeps/x86_64/fpu/multiarch/s_sin.c [HAVE_FMA4_SUPPORT]: Make
	code unconditional.
	[!HAVE_FMA4_SUPPORT]: Remove conditional code.
	* sysdeps/x86_64/fpu/multiarch/s_tan.c [HAVE_FMA4_SUPPORT]: Make
	code unconditional.
	[!HAVE_FMA4_SUPPORT]: Remove conditional code.
	* config.h.in (HAVE_FMA4_SUPPORT): Remove #undef.
Diffstat (limited to 'sysdeps/i386/configure.ac')
-rw-r--r--sysdeps/i386/configure.ac9
1 files changed, 0 insertions, 9 deletions
diff --git a/sysdeps/i386/configure.ac b/sysdeps/i386/configure.ac
index 965fa73489..c51530a943 100644
--- a/sysdeps/i386/configure.ac
+++ b/sysdeps/i386/configure.ac
@@ -42,15 +42,6 @@ LIBC_TRY_CC_OPTION([-Wa,-mtune=i686],
 ])
 LIBC_CONFIG_VAR([config-asflags-i686], [$libc_cv_as_i686])
 
-dnl Check if -mfma4 works.
-AC_CACHE_CHECK(for FMA4 support, libc_cv_cc_fma4, [dnl
-LIBC_TRY_CC_OPTION([-mfma4], [libc_cv_cc_fma4=yes], [libc_cv_cc_fma4=no])
-])
-if test $libc_cv_cc_fma4 = yes; then
-  AC_DEFINE(HAVE_FMA4_SUPPORT)
-fi
-LIBC_CONFIG_VAR([have-mfma4], [$libc_cv_cc_fma4])
-
 dnl Check if -mno-vzeroupper works.
 AC_CACHE_CHECK(for -mno-vzeroupper support, libc_cv_cc_novzeroupper, [dnl
 LIBC_TRY_CC_OPTION([-mno-vzeroupper],