From: Claudiu Zissulescu <claziss@gmail.com>
Date: Wed, 1 Feb 2023 11:02:17 +0000 (+0200)
Subject: arc: Don't use millicode thunks unless asked for.
X-Git-Tag: basepoints/gcc-14~1247
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bc5581fe327388fea5af875c028ccb8cfb0b6a1c;p=thirdparty%2Fgcc.git

arc: Don't use millicode thunks unless asked for.

ARC has enter_s/leave_s instructions which can save/restore the entire
function context. It is not needed the millicode thunks anylonger when
compiling for size, thus, make their usage optional.

gcc/

	* common/config/arc/arc-common.cc (arc_option_optimization_table):
	Remove millicode from list.

gcc/testsuite/

	* gcc.target/arc/milli-1.c: Update test.
---

diff --git a/gcc/common/config/arc/arc-common.cc b/gcc/common/config/arc/arc-common.cc
index 6423f6a9647f..95f5dd612011 100644
--- a/gcc/common/config/arc/arc-common.cc
+++ b/gcc/common/config/arc/arc-common.cc
@@ -54,7 +54,6 @@ static const struct default_options arc_option_optimization_table[] =
     { OPT_LEVELS_SIZE, OPT_fsection_anchors, NULL, 1 },
     { OPT_LEVELS_SIZE, OPT_mcase_vector_pcrel, NULL, 1 },
     { OPT_LEVELS_SIZE, OPT_msize_level_, NULL, 3 },
-    { OPT_LEVELS_SIZE, OPT_mmillicode, NULL, 1 },
     { OPT_LEVELS_SIZE, OPT_fif_conversion, NULL, 0 },
     { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
     { OPT_LEVELS_3_PLUS_SPEED_ONLY, OPT_msize_level_, NULL, 0 },
diff --git a/gcc/testsuite/gcc.target/arc/milli-1.c b/gcc/testsuite/gcc.target/arc/milli-1.c
index b501b39eb813..5fba064ca663 100644
--- a/gcc/testsuite/gcc.target/arc/milli-1.c
+++ b/gcc/testsuite/gcc.target/arc/milli-1.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-Os" } */
+/* { dg-options "-Os -mmillicode" } */
 
 /* Test if we restore correctly blink when using millicode.  */
 extern void bar (void);