case ${arm_multilib} in
aprofile|rmprofile)
tmake_profile_file="arm/t-multilib"
+ tm_file="$tm_file arm/arm-mlib.h"
;;
@*)
ml=`echo "X$arm_multilib" | sed '1s,^X@,,'`
--- /dev/null
+/* Arm multilib default option include file.
+
+ Copyright (C) 2023 Free Software Foundation, Inc.
+ Contributed by Arm.
+
+ This file is part of GCC.
+
+ GCC is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3, or (at your
+ option) any later version.
+
+ GCC is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
+ License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GCC; see the file COPYING3. If not see
+ <http://www.gnu.org/licenses/>. */
+
+#define MULTILIB_DEFAULTS { "mbranch-protection=none" }
MULTI_ARCH_DIRS_RM = v6-m v7-m v7e-m v7e-m+fp v7e-m+dp v8-m.base v8-m.main v8-m.main+fp v8-m.main+dp v8.1-m.main+mve v8.1-m.main+pacbti v8.1-m.main+pacbti+fp v8.1-m.main+pacbti+dp v8.1-m.main+pacbti+mve
MULTI_ARCH_OPTS_RM += mbranch-protection=standard
-MULTI_ARCH_DIRS_RM += mbranch-protection
+MULTI_ARCH_DIRS_RM += bp
# Base M-profile (no fp)
MULTILIB_REQUIRED += mthumb/march=armv6s-m/mfloat-abi=soft
MULTILIB_MATCHES += march?armv8-m.main+fp=mlibarch?armv8-m.main+fp
MULTILIB_MATCHES += march?armv8-m.main+fp.dp=mlibarch?armv8-m.main+fp.dp
MULTILIB_MATCHES += march?armv8.1-m.main+mve=mlibarch?armv8.1-m.main+mve
+
+# For -mbranch-protection=none and +pacbti reuses the existing non pacbti
+# multilibs.
+MULTILIB_REUSE += $(foreach OPT, fp fp\.dp, \
+ mthumb/march.armv8-m\.main+$(OPT)/mfloat-abi.softfp=mthumb/march.armv8\.1-m\.main+pacbti+$(OPT)/mfloat-abi.softfp)
+MULTILIB_REUSE += $(foreach OPT, fp fp\.dp, \
+ mthumb/march.armv8-m\.main+$(OPT)/mfloat-abi.hard=mthumb/march.armv8\.1-m\.main+pacbti+$(OPT)/mfloat-abi.hard)
+
+MULTILIB_REUSE += $(foreach OPT, pacbti pacbti+mve, \
+ mthumb/march.armv8-m\.main/mfloat-abi.soft=mthumb/march.armv8\.1-m\.main+$(OPT)/mfloat-abi.soft)
+MULTILIB_REUSE += $(foreach OPT, pacbti pacbti+mve, \
+ mthumb/march.armv8-m\.main/mfloat-abi.soft=mthumb/march.armv8\.1-m\.main+$(OPT)/mfloat-abi.softfp)
+
+MULTILIB_REUSE += mthumb/march.armv8\.1-m\.main+mve/mfloat-abi.hard=mthumb/march.armv8\.1-m\.main+pacbti+mve/mfloat-abi.hard
+
+pacbti_fp_variants = fp fp+mve mve.fp fp+mve.fp
+pacbti_dp_variants = fp.dp fp.dp+mve fp.dp+mve.fp
+
+# For -mbranch-protection=standard and +pacbti linking to existing pacbti
+# multlibs.
MULTILIB_MATCHES += march?armv8.1-m.main+pacbti=mlibarch?armv8.1-m.main+pacbti
-MULTILIB_MATCHES += march?armv8.1-m.main+pacbti+fp=mlibarch?armv8.1-m.main+pacbti+fp
-MULTILIB_MATCHES += march?armv8.1-m.main+pacbti+fp.dp=mlibarch?armv8.1-m.main+pacbti+fp.dp
+MULTILIB_MATCHES += march?armv8.1-m.main+pacbti=mlibarch?armv8.1-m.main+pacbti+dsp
+MULTILIB_MATCHES += march?armv8.1-m.main+pacbti=mlibarch?armv8.1-m.main+dsp+pacbti
MULTILIB_MATCHES += march?armv8.1-m.main+pacbti+mve=mlibarch?armv8.1-m.main+pacbti+mve
+MULTILIB_MATCHES += march?armv8.1-m.main+pacbti+mve=mlibarch?armv8.1-m.main+pacbti+dsp+mve
+MULTILIB_MATCHES += march?armv8.1-m.main+pacbti+mve=mlibarch?armv8.1-m.main+dsp+pacbti+mve
+
+MULTILIB_MATCHES += $(foreach OPT, $(pacbti_fp_variants), \
+ march?armv8.1-m.main+pacbti+fp=mlibarch?armv8.1-m.main+pacbti+$(OPT))
+
+MULTILIB_MATCHES += $(foreach OPT, $(pacbti_fp_variants), \
+ march?armv8.1-m.main+pacbti+fp=mlibarch?armv8.1-m.main+pacbti+dsp+$(OPT))
+
+MULTILIB_MATCHES += $(foreach OPT, $(pacbti_dp_variants), \
+ march?armv8.1-m.main+pacbti+fp.dp=mlibarch?armv8.1-m.main+pacbti+$(OPT))
+
+MULTILIB_MATCHES += $(foreach OPT, $(pacbti_dp_variants), \
+ march?armv8.1-m.main+pacbti+fp.dp=mlibarch?armv8.1-m.main+pacbti+dsp+$(OPT))
+
+MULTILIB_MATCHES += $(foreach OPT, $(pacbti_fp_variants), \
+ march?armv8.1-m.main+pacbti+fp=mlibarch?armv8.1-m.main+dsp+pacbti+$(OPT))
+
+MULTILIB_MATCHES += $(foreach OPT, $(pacbti_dp_variants), \
+ march?armv8.1-m.main+pacbti+fp.dp=mlibarch?armv8.1-m.main+dsp+pacbti+$(OPT))
{-mcpu=cortex-m85+nopacbti+nomve -mfpu=auto -mfloat-abi=soft} "thumb/v8-m.main/nofp"
{-mcpu=cortex-m85+nopacbti+nodsp -mfpu=auto -mfloat-abi=soft} "thumb/v8-m.main/nofp"
{-mcpu=cortex-m85+nopacbti+nomve.fp -mfpu=auto -mfloat-abi=soft} "thumb/v8-m.main/nofp"
+ {-mcpu=cortex-m85 -mfpu=auto -mfloat-abi=soft} "thumb/v8-m.main/nofp"
+ {-mcpu=cortex-m85+nomve.fp -mfpu=auto -mfloat-abi=soft} "thumb/v8-m.main/nofp"
+ {-mcpu=cortex-m85+nomve -mfpu=auto -mfloat-abi=soft} "thumb/v8-m.main/nofp"
+ {-mcpu=cortex-m85+nodsp -mfpu=auto -mfloat-abi=soft} "thumb/v8-m.main/nofp"
{-mcpu=cortex-m4 -mfpu=auto -mfloat-abi=hard} "thumb/v7e-m+fp/hard"
{-mcpu=cortex-m7 -mfpu=auto -mfloat-abi=hard} "thumb/v7e-m+dp/hard"
{-mcpu=cortex-m33 -mfpu=auto -mfloat-abi=hard} "thumb/v8-m.main+fp/hard"
{-mcpu=cortex-m85+nopacbti+nodsp -mfpu=auto -mfloat-abi=hard} "thumb/v8-m.main+dp/hard"
{-mcpu=cortex-m85+nopacbti+nofp -mfpu=auto -mfloat-abi=hard} "thumb/v8.1-m.main+mve/hard"
{-mcpu=cortex-m85+nopacbti+nomve.fp -mfpu=auto -mfloat-abi=hard} "thumb/v8-m.main+dp/hard"
- {-mcpu=cortex-m85 -mbranch-protection=standard -mfpu=auto -mfloat-abi=hard} "thumb/v8.1-m.main+pacbti+dp/mbranch-protection/hard"
- {-mcpu=cortex-m85+nomve.fp -mbranch-protection=standard -mfpu=auto -mfloat-abi=hard} "thumb/v8.1-m.main+pacbti+dp/mbranch-protection/hard"
- {-mcpu=cortex-m85+nomve -mbranch-protection=standard -mfpu=auto -mfloat-abi=hard} "thumb/v8.1-m.main+pacbti+dp/mbranch-protection/hard"
- {-mcpu=cortex-m85+nodsp -mbranch-protection=standard -mfpu=auto -mfloat-abi=hard} "thumb/v8.1-m.main+pacbti+dp/mbranch-protection/hard"
+ {-mcpu=cortex-m85 -mbranch-protection=standard -mfpu=auto -mfloat-abi=hard} "thumb/v8.1-m.main+pacbti+dp/bp/hard"
+ {-mcpu=cortex-m85+nomve -mbranch-protection=standard -mfpu=auto -mfloat-abi=hard} "thumb/v8.1-m.main+pacbti+dp/bp/hard"
+ {-mcpu=cortex-m85+nomve.fp -mbranch-protection=standard -mfpu=auto -mfloat-abi=hard} "thumb/v8.1-m.main+pacbti+dp/bp/hard"
+ {-mcpu=cortex-m85+nodsp -mbranch-protection=standard -mfpu=auto -mfloat-abi=hard} "thumb/v8.1-m.main+pacbti+dp/bp/hard"
{-mcpu=cortex-m0 -mfpu=auto -mfloat-abi=softfp} "thumb/v6-m/nofp"
{-mcpu=cortex-m1 -mfpu=auto -mfloat-abi=softfp} "thumb/v6-m/nofp"
{-mcpu=cortex-m3 -mfpu=auto -mfloat-abi=softfp} "thumb/v7-m/nofp"
{-mcpu=cortex-m33 -mfpu=fpv5-d16 -mfloat-abi=softfp} "thumb/v8-m.main+dp/softfp"
{-mcpu=cortex-m7+nofp.dp -mfpu=fpv5-d16 -mfloat-abi=softfp} "thumb/v7e-m+dp/softfp"
{-mcpu=cortex-m85+nopacbti+nofp -mfpu=auto -mfloat-abi=softfp} "thumb/v8-m.main/nofp"
- {-mcpu=cortex-m85+nopacbti -mfpu=auto -mfloat-abi=softfp} "thumb/v8-m.main+dp/softfp"
+ {-mcpu=cortex-m85+nopacbti -mfpu=auto -mfloat-abi=softfp} "thumb/v8-m.main+dp/softfp"
{-mcpu=cortex-m85+nopacbti+nomve -mfpu=auto -mfloat-abi=softfp} "thumb/v8-m.main+dp/softfp"
{-mcpu=cortex-m85+nopacbti+nodsp -mfpu=auto -mfloat-abi=softfp} "thumb/v8-m.main+dp/softfp"
{-mcpu=cortex-m85+nopacbti+nomve.fp -mfpu=auto -mfloat-abi=softfp} "thumb/v8-m.main+dp/softfp"
- {-mcpu=cortex-m85 -mbranch-protection=standard -mfpu=auto -mfloat-abi=softfp} "thumb/v8.1-m.main+pacbti+dp/mbranch-protection/softfp"
- {-mcpu=cortex-m85+nomve.fp -mbranch-protection=standard -mfpu=auto -mfloat-abi=softfp} "thumb/v8.1-m.main+pacbti+dp/mbranch-protection/softfp"
- {-mcpu=cortex-m85+nomve -mbranch-protection=standard -mfpu=auto -mfloat-abi=softfp} "thumb/v8.1-m.main+pacbti+dp/mbranch-protection/softfp"
- {-mcpu=cortex-m85+nodsp -mbranch-protection=standard -mfpu=auto -mfloat-abi=softfp} "thumb/v8.1-m.main+pacbti+dp/mbranch-protection/softfp"
+ {-mcpu=cortex-m85 -mbranch-protection=standard -mfpu=auto -mfloat-abi=softfp} "thumb/v8.1-m.main+pacbti+dp/bp/softfp"
+ {-mcpu=cortex-m85+nomve -mbranch-protection=standard -mfpu=auto -mfloat-abi=softfp} "thumb/v8.1-m.main+pacbti+dp/bp/softfp"
+ {-mcpu=cortex-m85+nomve.fp -mbranch-protection=standard -mfpu=auto -mfloat-abi=softfp} "thumb/v8.1-m.main+pacbti+dp/bp/softfp"
+ {-mcpu=cortex-m85+nodsp -mbranch-protection=standard -mfpu=auto -mfloat-abi=softfp} "thumb/v8.1-m.main+pacbti+dp/bp/softfp"
{-march=armv6-m -mfpu=auto -mfloat-abi=soft} "thumb/v6-m/nofp"
{-march=armv7-m -mfpu=auto -mfloat-abi=soft} "thumb/v7-m/nofp"
{-march=armv7e-m -mfpu=auto -mfloat-abi=soft} "thumb/v7e-m/nofp"
{-march=armv8.1-m.main+mve.fp+fp.dp -mfpu=auto -mfloat-abi=softfp} "thumb/v8-m.main+dp/softfp"
{-march=armv8.1-m.main+mve+fp.dp -mfpu=auto -mfloat-abi=hard} "thumb/v8-m.main+dp/hard"
{-march=armv8.1-m.main+mve.fp+fp.dp -mfpu=auto -mfloat-abi=hard} "thumb/v8-m.main+dp/hard"
- {-march=armv8.1-m.main+pacbti -mbranch-protection=standard -mfloat-abi=soft} "thumb/v8.1-m.main+pacbti/mbranch-protection/nofp"
- {-march=armv8.1-m.main+pacbti+fp -mbranch-protection=standard -mfloat-abi=softfp} "thumb/v8.1-m.main+pacbti+fp/mbranch-protection/soft"
- {-march=armv8.1-m.main+pacbti+fp -mbranch-protection=standard -mfloat-abi=hard} "thumb/v8.1-m.main+pacbti+fp/mbranch-protection/hard"
- {-march=armv8.1-m.main+pacbti+fp.dp -mbranch-protection=standard -mfloat-abi=softfp} "thumb/v8.1-m.main+pacbti+dp/mbranch-protection/soft"
- {-march=armv8.1-m.main+pacbti+fp.dp -mbranch-protection=standard -mfloat-abi=hard} "thumb/v8.1-m.main+pacbti+dp/mbranch-protection/hard"
- {-march=armv8.1-m.main+pacbti+mve -mbranch-protection=standard -mfloat-abi=hard} "thumb/v8.1-m.main+pacbti+mve/mbranch-protection/hard"
+ {-march=armv8.1-m.main+pacbti -mbranch-protection=standard -mfloat-abi=soft} "thumb/v8.1-m.main+pacbti/bp/nofp"
+ {-march=armv8.1-m.main+pacbti+fp -mbranch-protection=standard -mfloat-abi=softfp} "thumb/v8.1-m.main+pacbti+fp/bp/softfp"
+ {-march=armv8.1-m.main+pacbti+fp -mbranch-protection=standard -mfloat-abi=hard} "thumb/v8.1-m.main+pacbti+fp/bp/hard"
+ {-march=armv8.1-m.main+pacbti+fp.dp -mbranch-protection=standard -mfloat-abi=softfp} "thumb/v8.1-m.main+pacbti+dp/bp/softfp"
+ {-march=armv8.1-m.main+pacbti+fp.dp -mbranch-protection=standard -mfloat-abi=hard} "thumb/v8.1-m.main+pacbti+dp/bp/hard"
+ {-march=armv8.1-m.main+pacbti+mve -mbranch-protection=standard -mfloat-abi=hard} "thumb/v8.1-m.main+pacbti+mve/bp/hard"
{-mcpu=cortex-m55+nomve -mfpu=auto -mfloat-abi=soft} "thumb/v8-m.main/nofp"
{-mcpu=cortex-m55+nomve -mfpu=auto -mfloat-abi=softfp} "thumb/v8-m.main+dp/softfp"
{-mcpu=cortex-m55+nomve -mfpu=auto -mfloat-abi=hard} "thumb/v8-m.main+dp/hard"
--- /dev/null
+/* Testing PACBTI multilibs matches without mve. */
+/* { dg-do run } */
+/* { dg-require-effective-target arm_pacbti_hw } */
+/* { dg-skip-if "need fp instructions" { *-*-* } { "" } { "-mfloat-abi=hard" } } */
+/* { dg-options "-march=armv8.1-m.main+dsp+fp.dp+pacbti -mbranch-protection=standard -mthumb -mfloat-abi=hard" } */
+
+#include "pac.h"
--- /dev/null
+/* Testing PACBTI multilib matches. */
+/* { dg-do run } */
+/* { dg-require-effective-target arm_pacbti_hw } */
+/* { dg-skip-if "need fp instructions" { *-*-* } { "" } { "-mfloat-abi=hard" } } */
+/* { dg-options "-march=armv8.1-m.main+mve.fp+fp.dp+pacbti -mbranch-protection=standard -mthumb -mfloat-abi=hard" } */
+
+#include "pac.h"
--- /dev/null
+/* Testing PACBTI multilibs matches without mve float. */
+/* { dg-do run } */
+/* { dg-require-effective-target arm_pacbti_hw } */
+/* { dg-skip-if "need fp instructions" { *-*-* } { "" } { "-mfloat-abi=hard" } } */
+/* { dg-options "-march=armv8.1-m.main+mve+fp.dp+pacbti -mbranch-protection=standard -mthumb -mfloat-abi=hard" } */
+
+#include "pac.h"