diff options
Diffstat (limited to 'libgcc/configure')
| -rwxr-xr-x | libgcc/configure | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/libgcc/configure b/libgcc/configure index 093036a..26bf757 100755 --- a/libgcc/configure +++ b/libgcc/configure @@ -5530,6 +5530,46 @@ $as_echo "#define HAVE_AS_AVX 1" >>confdefs.h ;; esac + + +case "${target}" in +aarch64*-*-*) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the assembler supports LSE" >&5 +$as_echo_n "checking if the assembler supports LSE... " >&6; } +if ${libgcc_cv_as_lse+:} false; then : + $as_echo_n "(cached) " >&6 +else + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + asm(".arch armv8-a+lse\n\tcas w0, w1, [x2]"); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + libgcc_cv_as_lse=yes +else + libgcc_cv_as_lse=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_as_lse" >&5 +$as_echo "$libgcc_cv_as_lse" >&6; } + if test x$libgcc_cv_as_lse = xyes; then + +$as_echo "#define HAVE_AS_LSE 1" >>confdefs.h + + fi + ;; +esac + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for init priority support" >&5 $as_echo_n "checking for init priority support... " >&6; } if ${libgcc_cv_init_priority+:} false; then : |