diff options
Diffstat (limited to 'sysdeps/s390/configure')
| -rw-r--r-- | sysdeps/s390/configure | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/s390/configure b/sysdeps/s390/configure index f30f864436..4a44775e30 100644 --- a/sysdeps/s390/configure +++ b/sysdeps/s390/configure @@ -187,5 +187,43 @@ then fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for S390 z13 zarch instruction support as default" >&5 +$as_echo_n "checking for S390 z13 zarch instruction support as default... " >&6; } +if ${libc_cv_asm_s390_min_z13_zarch+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat > conftest.c <<\EOF +int testinsn (void) +{ + int i; + __asm__ ("vl %%v16,0(%%r15)\n\t" + "vlgvf %0,%%v16,0" + : "=d" (i) : : "memory", "v16"); + return i; +} +EOF +if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS --shared conftest.c + -o conftest.o &> /dev/null' + { { eval echo "\"\$as_me\":${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_asm_s390_min_z13_zarch=yes +else + libc_cv_asm_s390_min_z13_zarch=no +fi +rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_s390_min_z13_zarch" >&5 +$as_echo "$libc_cv_asm_s390_min_z13_zarch" >&6; } + +if test "$libc_cv_asm_s390_min_z13_zarch" = yes ; +then + $as_echo "#define HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT 1" >>confdefs.h + +fi + test -n "$critic_missing" && as_fn_error $? " *** $critic_missing" "$LINENO" 5 |