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Repaired Configure script MMX & SSE detection

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This commit is contained in:
oparviai 2015-05-18 17:54:01 +00:00
parent 2f2b3d756a
commit 1a3c1cd50e
1 changed files with 6 additions and 5 deletions
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11
configure.ac
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@ -123,9 +123,9 @@ fi
if test "x$enable_x86_optimizations" = "xyes" -a "x$ac_cv_header_cpuid_h" = "xyes"; then
echo "****** x86 optimizations enabled ******"
original_saved_CXXFLAGS=$AM_CXXFLAGS
original_saved_CXXFLAGS=$CXXFLAGS
have_mmx_intrinsics=no
AM_CXXFLAGS="-mmmx -Winline $AM_CXXFLAGS"
CXXFLAGS="-mmmx -Winline $CXXFLAGS"
# Check if the user can compile MMX code using intrinsics.
# GCC supports MMX intrinsics since version 3.3
@ -139,7 +139,7 @@ if test "x$enable_x86_optimizations" = "xyes" -a "x$ac_cv_header_cpuid_h" = "xye
__m64 loop = _mm_cvtsi32_si64 (1);
return _mm_cvtsi64_si32 (loop);
}]])],[have_mmx_intrinsics=yes])
AM_CXXFLAGS=$original_saved_CXXFLAGS
CXXFLAGS=$original_saved_CXXFLAGS
# Inform the user if we did or did not find MMX support.
#
@ -157,8 +157,9 @@ if test "x$enable_x86_optimizations" = "xyes" -a "x$ac_cv_header_cpuid_h" = "xye
# SSE support
original_saved_CXXFLAGS=$CXXFLAGS
have_sse_intrinsics=no
AM_CXXFLAGS="-msse -Winline $AM_CXXFLAGS"
CXXFLAGS="-msse -Winline $CXXFLAGS"
# Check if the user can compile SSE code using intrinsics.
# GCC supports SSE intrinsics since version 3.3
@ -172,7 +173,7 @@ if test "x$enable_x86_optimizations" = "xyes" -a "x$ac_cv_header_cpuid_h" = "xye
_mm_setzero_ps();
return 0;
}]])],[have_sse_intrinsics=yes])
AM_CXXFLAGS=$original_saved_CXXFLAGS
CXXFLAGS=$original_saved_CXXFLAGS
# Inform the user if we did or did not find SSE support.
#