diff options
Diffstat (limited to 'sysdeps/x86_64/configure')
| -rwxr-xr-x | sysdeps/x86_64/configure | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/sysdeps/x86_64/configure b/sysdeps/x86_64/configure index 418cc4a9b8..04a534fa12 100755 --- a/sysdeps/x86_64/configure +++ b/sysdeps/x86_64/configure @@ -134,6 +134,34 @@ fi config_vars="$config_vars enable-cet = $enable_cet" +# Check if -mamx-tile works properly. +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -mamx-tile works properly" >&5 +printf %s "checking whether -mamx-tile works properly... " >&6; } +if test ${libc_cv_x86_have_amx_tile+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat > conftest.c <<EOF +#include <x86intrin.h> +EOF + libc_cv_x86_have_amx_tile=no + if { ac_try='${CC-cc} -E $CFLAGS -mamx-tile conftest.c > conftest.i' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + if grep -q __builtin_ia32_ldtilecfg conftest.i; then + libc_cv_x86_have_amx_tile=yes + fi + fi + rm -rf conftest* +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_x86_have_amx_tile" >&5 +printf "%s\n" "$libc_cv_x86_have_amx_tile" >&6; } +config_vars="$config_vars +have-mamx-tile = $libc_cv_x86_have_amx_tile" + test -n "$critic_missing" && as_fn_error $? " *** $critic_missing" "$LINENO" 5 |