https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89093
--- Comment #78 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Tue Apr 23 10:03:41 2019 New Revision: 270504 URL: https://gcc.gnu.org/viewcvs?rev=270504&root=gcc&view=rev Log: 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. Modified: trunk/gcc/ChangeLog trunk/gcc/config/arm/arm.c trunk/gcc/config/arm/arm.h trunk/gcc/config/arm/arm.opt trunk/gcc/doc/extend.texi trunk/gcc/doc/invoke.texi trunk/libgcc/ChangeLog trunk/libgcc/config/arm/pr-support.c trunk/libgcc/config/arm/unwind-arm.c trunk/libgcc/unwind-c.c trunk/libobjc/ChangeLog trunk/libobjc/exception.c trunk/libphobos/ChangeLog trunk/libphobos/libdruntime/gcc/deh.d trunk/libstdc++-v3/ChangeLog trunk/libstdc++-v3/libsupc++/eh_personality.cc
