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author | Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> | 2019-04-23 10:03:41 +0000 |
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committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2019-04-23 12:03:41 +0200 |
commit | 48528842bd79cb2e2a1d478b1d90d748377bb76c (patch) | |
tree | 67f80893433a6265908f5557a9cd9491cbccc4a9 /libgcc/unwind-c.c | |
parent | 70265a0c5bd3e2050ce489ef969e72465e698aa5 (diff) | |
download | gcc-48528842bd79cb2e2a1d478b1d90d748377bb76c.tar.gz |
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 'libgcc/unwind-c.c')
-rw-r--r-- | libgcc/unwind-c.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libgcc/unwind-c.c b/libgcc/unwind-c.c index 3e55cda7f7b..859735a3325 100644 --- a/libgcc/unwind-c.c +++ b/libgcc/unwind-c.c @@ -106,6 +106,7 @@ PERSONALITY_FUNCTION (_Unwind_State, struct _Unwind_Exception *, struct _Unwind_Context *); _Unwind_Reason_Code +__attribute__((target ("general-regs-only"))) PERSONALITY_FUNCTION (_Unwind_State state, struct _Unwind_Exception * ue_header, struct _Unwind_Context * context) |