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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/x86_64/configure
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 [$(have-mfma4) = yes]:
	Make code unconditional.
	* sysdeps/x86_64/fpu/multiarch/e_asin.c [HAVE_FMA4_SUPPORT]:
	Likewise.
	* sysdeps/x86_64/fpu/multiarch/e_atan2.c [HAVE_FMA4_SUPPORT]:
	Likewise.
	[!HAVE_FMA4_SUPPORT]: Remove conditional code.
	* sysdeps/x86_64/fpu/multiarch/e_exp.c [HAVE_FMA4_SUPPORT]: Make
	code unconditional.
	[!HAVE_FMA4_SUPPORT]: Remove conditional code.
	* sysdeps/x86_64/fpu/multiarch/e_log.c [HAVE_FMA4_SUPPORT]: Make
	code unconditional.
	[!HAVE_FMA4_SUPPORT]: Remove conditional code.
	* sysdeps/x86_64/fpu/multiarch/e_pow.c [HAVE_FMA4_SUPPORT]: Make
	code unconditional.
	* sysdeps/x86_64/fpu/multiarch/s_atan.c [HAVE_FMA4_SUPPORT]: Make
	code unconditional.
	[!HAVE_FMA4_SUPPORT]: Remove conditional code.
	* sysdeps/x86_64/fpu/multiarch/s_fma.c [HAVE_FMA4_SUPPORT]: Make
	code unconditional.
	[!HAVE_FMA4_SUPPORT]: Remove conditional code.
	* sysdeps/x86_64/fpu/multiarch/s_fmaf.c [HAVE_FMA4_SUPPORT]: Make
	code unconditional.
	[!HAVE_FMA4_SUPPORT]: Remove conditional code.
	* sysdeps/x86_64/fpu/multiarch/s_sin.c [HAVE_FMA4_SUPPORT]: Make
	code unconditional.
	[!HAVE_FMA4_SUPPORT]: Remove conditional code.
	* sysdeps/x86_64/fpu/multiarch/s_tan.c [HAVE_FMA4_SUPPORT]: Make
	code unconditional.
	[!HAVE_FMA4_SUPPORT]: Remove conditional code.
	* config.h.in (HAVE_FMA4_SUPPORT): Remove #undef.
Diffstat (limited to 'sysdeps/x86_64/configure')
-rw-r--r--sysdeps/x86_64/configure26
1 files changed, 0 insertions, 26 deletions
diff --git a/sysdeps/x86_64/configure b/sysdeps/x86_64/configure
index ef234d5c50..717692365e 100644
--- a/sysdeps/x86_64/configure
+++ b/sysdeps/x86_64/configure
@@ -97,32 +97,6 @@ fi
 config_vars="$config_vars
 config-cflags-avx512 = $libc_cv_cc_avx512"
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for FMA4 support" >&5
-$as_echo_n "checking for FMA4 support... " >&6; }
-if ${libc_cv_cc_fma4+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if { ac_try='${CC-cc} -mfma4 -xc /dev/null -S -o /dev/null'
-  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then :
-  libc_cv_cc_fma4=yes
-else
-  libc_cv_cc_fma4=no
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_fma4" >&5
-$as_echo "$libc_cv_cc_fma4" >&6; }
-if test $libc_cv_cc_fma4 = yes; then
-  $as_echo "#define HAVE_FMA4_SUPPORT 1" >>confdefs.h
-
-fi
-config_vars="$config_vars
-have-mfma4 = $libc_cv_cc_fma4"
-
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -mno-vzeroupper support" >&5
 $as_echo_n "checking for -mno-vzeroupper support... " >&6; }
 if ${libc_cv_cc_novzeroupper+:} false; then :