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Viewing changes to sysdeps/i386/configure.in

  • Committer: Package Import Robot
  • Author(s): Matthias Klose
  • Date: 2012-02-08 01:58:09 UTC
  • mfrom: (1.5.3) (288.1.12 precise)
  • Revision ID: package-import@ubuntu.com-20120208015809-ulscst7uteq3e22z
Tags: 2.15~pre6-0ubuntu10
Merge from Debian (r5151, 2.13-26).

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sysdeps/i386/configure.in
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if test $libc_cv_cc_avx = yes; then
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  AC_DEFINE(HAVE_AVX_SUPPORT)
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fi
 
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dnl Check if -mfma4 works.
 
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AC_CACHE_CHECK(for FMA4 support, libc_cv_cc_fma4, [dnl
 
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if AC_TRY_COMMAND([${CC-cc} -mfma4 -xc /dev/null -S -o /dev/null]); then
 
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  libc_cv_cc_fma4=yes
 
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else
 
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  libc_cv_cc_fma4=no
 
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fi])
 
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if test $libc_cv_cc_fma4 = yes; then
 
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  AC_DEFINE(HAVE_FMA4_SUPPORT)
 
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fi
 
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dnl Check if -mno-vzeroupper works.
 
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AC_CACHE_CHECK(for -mno-vzeroupper support, libc_cv_cc_novzeroupper, [dnl
 
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if AC_TRY_COMMAND([${CC-cc} -mno-vzeroupper -xc /dev/null -S -o /dev/null]); then
 
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  libc_cv_cc_novzeroupper=yes
 
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else
 
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  libc_cv_cc_novzeroupper=no
 
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fi])