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authorRamana Radhakrishnan <ramana.radhakrishnan@arm.com>2019-04-23 10:03:41 +0000
committerJakub Jelinek <jakub@gcc.gnu.org>2019-04-23 12:03:41 +0200
commit48528842bd79cb2e2a1d478b1d90d748377bb76c (patch)
tree67f80893433a6265908f5557a9cd9491cbccc4a9 /libobjc
parent70265a0c5bd3e2050ce489ef969e72465e698aa5 (diff)
re PR target/89093 (C++ exception handling clobbers d8 VFP register)
PR target/89093 * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose if used with general-regs-only. (arm_conditional_register_usage): Don't add non-general regs if general-regs-only. (arm_valid_target_attribute_rec): Handle general-regs-only. * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if general-regs-only. (TARGET_HARD_FLOAT_SUB): Define. (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB. (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY. (TARGET_REALLY_IWMMXT2): Likewise. * config/arm/arm.opt: Add -mgeneral-regs-only. * doc/extend.texi: Document ARM general-regs-only target. * doc/invoke.texi: Document ARM -mgeneral-regs-only. libgcc/ * config/arm/pr-support.c: Add #pragma GCC target("general-regs-only"). * config/arm/unwind-arm.c: Likewise. * unwind-c.c (PERSONALITY_FUNCTION): Add general-regs-only target attribute for ARM. libobjc/ * exception.c (PERSONALITY_FUNCTION): Add general-regs-only target attribute for ARM. libphobos/ * libdruntime/gcc/deh.d: Import gcc.attribute. (personality_fn_attributes): New enum. (scanLSDA, CONTINUE_UNWINDING, gdc_personality, __gdc_personality): Add @personality_fn_attributes. libstdc++-v3/ * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add general-regs-only target attribute for ARM. Co-Authored-By: Bernd Edlinger <bernd.edlinger@hotmail.de> Co-Authored-By: Jakub Jelinek <jakub@redhat.com> From-SVN: r270504
Diffstat (limited to 'libobjc')
-rw-r--r--libobjc/ChangeLog8
-rw-r--r--libobjc/exception.c1
2 files changed, 9 insertions, 0 deletions
diff --git a/libobjc/ChangeLog b/libobjc/ChangeLog
index 90cf92331e9..48e21e5b21c 100644
--- a/libobjc/ChangeLog
+++ b/libobjc/ChangeLog
@@ -1,3 +1,11 @@
+2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
+ Bernd Edlinger <bernd.edlinger@hotmail.de>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR target/89093
+ * exception.c (PERSONALITY_FUNCTION): Add general-regs-only target
+ attribute for ARM.
+
2019-03-06 Uroš Bizjak <ubizjak@gmail.com>
* encoding.c (DFmode): #undef before #define.
diff --git a/libobjc/exception.c b/libobjc/exception.c
index b96630c75ee..3c078c04126 100644
--- a/libobjc/exception.c
+++ b/libobjc/exception.c
@@ -220,6 +220,7 @@ get_ttype_entry (struct lsda_header_info *info, _Unwind_Word i)
while (0)
_Unwind_Reason_Code
+__attribute__((target ("general-regs-only")))
PERSONALITY_FUNCTION (_Unwind_State state,
struct _Unwind_Exception *ue_header,
struct _Unwind_Context *context)