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-rw-r--r--sysdeps/i386/configure20
1 files changed, 20 insertions, 0 deletions
diff --git a/sysdeps/i386/configure b/sysdeps/i386/configure
index 7b3683f600..4ea7be9193 100644
--- a/sysdeps/i386/configure
+++ b/sysdeps/i386/configure
@@ -111,6 +111,26 @@ if test $libc_cv_cc_avx = yes; then
 
 fi
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking -mavx -mprefer-avx128 support" >&5
+$as_echo_n "checking -mavx -mprefer-avx128 support... " >&6; }
+if ${libc_cv_cc_avx128+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if { ac_try='${CC-cc} -mavx -mprefer-avx128 -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_avx128=yes
+else
+  libc_cv_cc_avx128=no
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_avx128" >&5
+$as_echo "$libc_cv_cc_avx128" >&6; }
+
 { $as_echo "$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 :