diff --git a/gcc/configure b/gcc/configure index fdf0cd0..17b6e85 100755 --- a/gcc/configure +++ b/gcc/configure @@ -24057,6 +24057,38 @@ $as_echo "#define HAVE_AS_NO_MUL_BUG_ABORT_OPTION 1" >>confdefs.h fi ;; + aarch64-*-*) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for -mabi option" >&5 +$as_echo_n "checking assembler for -mabi option... " >&6; } +if test "${gcc_cv_as_aarch64_mabi+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + gcc_cv_as_aarch64_mabi=no + if test x$gcc_cv_as != x; then + $as_echo '.text' > conftest.s + if { ac_try='$gcc_cv_as $gcc_cv_as_flags -mabi=lp64 -o conftest.o conftest.s >&5' + { { eval echo "\"\$as_me\":${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 + gcc_cv_as_aarch64_mabi=yes + else + echo "configure: failed program was" >&5 + cat conftest.s >&5 + fi + rm -f conftest.o conftest.s + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_aarch64_mabi" >&5 +$as_echo "$gcc_cv_as_aarch64_mabi" >&6; } + + if test x$gcc_cv_as_aarch64_mabi = xno; then + as_fn_error "Assembler support for -mabi=lp64 is required. Upgrade the Assembler." "$LINENO" 5 + fi + ;; + sparc*-*-*) { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for .register" >&5 $as_echo_n "checking assembler for .register... " >&6; } diff --git a/gcc/configure.ac b/gcc/configure.ac index 91a22d5..730ada0 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -3532,6 +3532,15 @@ case "$target" in [Define if your assembler supports the -no-mul-bug-abort option.])]) ;; + aarch64-*-*) + gcc_GAS_CHECK_FEATURE([-mabi option], + gcc_cv_as_aarch64_mabi,, + [-mabi=lp64], [.text],,,) + if test x$gcc_cv_as_aarch64_mabi = xno; then + AC_MSG_ERROR([Assembler support for -mabi=lp64 is required. Upgrade the Assembler.]) + fi + ;; + sparc*-*-*) gcc_GAS_CHECK_FEATURE([.register], gcc_cv_as_sparc_register_op,,, [.register %g2, #scratch],,