diff options
| author | Ulrich Drepper <drepper@gmail.com> | 2012-01-28 14:48:46 -0500 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2012-01-28 14:48:46 -0500 |
| commit | 56f6f6a2403cfa7267cad722597113be35ecf70d (patch) | |
| tree | dd8bc1d7fe292985484bb91ef7ae9f31a8603081 /sysdeps/i386/configure | |
| parent | 73139a7628c424c82eb9297ccb5505c0bc5b65aa (diff) | |
| download | glibc-56f6f6a2403cfa7267cad722597113be35ecf70d.tar.gz glibc-56f6f6a2403cfa7267cad722597113be35ecf70d.tar.xz glibc-56f6f6a2403cfa7267cad722597113be35ecf70d.zip | |
Use -msse2avx option for x86-64 libm functions
Diffstat (limited to 'sysdeps/i386/configure')
| -rw-r--r-- | sysdeps/i386/configure | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/sysdeps/i386/configure b/sysdeps/i386/configure index ae494e2712..bc7900ee2e 100644 --- a/sysdeps/i386/configure +++ b/sysdeps/i386/configure @@ -756,6 +756,29 @@ if test $libc_cv_cc_avx = yes; then fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX encoding of SSE instructions" >&5 +$as_echo_n "checking for AVX encoding of SSE instructions... " >&6; } +if ${libc_cv_cc_sse2avx+:} false; then : + $as_echo_n "(cached) " >&6 +else + if { ac_try='${CC-cc} -msse2avx -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_sse2avx=yes +else + libc_cv_cc_sse2avx=no +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_sse2avx" >&5 +$as_echo "$libc_cv_cc_sse2avx" >&6; } +if test $libc_cv_cc_sse2avx = yes; then + $as_echo "#define HAVE_SSE2AVX_SUPPORT 1" >>confdefs.h + +fi + { $as_echo "$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 : |