b11b09048d
gcc/ * doc/invoke.texi (SPARC options): Add -mflat. * config/sparc/sparc.opt: Likewise. * config/sparc/sparc-protos.h (sparc_expand_epilogue): Add parameter. (sparc_flat_expand_prologue): Declare. (sparc_flat_expand_epilogue): Likewise. * config/sparc/sparc.h (CPP_CPU_SPEC): Do not handle -msoft-float. (CPP_ENDIAN_SPEC): Replace with... (CPP_OTHER_SPEC): ...this. Also handle -mflat and -msoft-float. (CPP_SPEC): Adjust to above change. (EXTRA_SPECS): Likewise. (SPARC_INCOMING_INT_ARG_FIRST): Add TARGET_FLAT handling. (INCOMING_REGNO): Likewise. (OUTGOING_REGNO): Likewise. (LOCAL_REGNO): Likewise. (SETUP_FRAME_ADDRESSES): Likewise. (FIXED_REGISTERS): Set 0 for %fp. (CALL_USED_REGISTERS): Likewise. (INITIAL_ELIMINATION_OFFSET): Pass current_function_is_leaf. (EXIT_IGNORE_STACK): Define to 1 unconditionally. (RETURN_ADDR_REGNUM): Define. (RETURN_ADDR_RTX): Use it. (INCOMING_RETURN_ADDR_REGNUM): Define. (INCOMING_RETURN_ADDR_RTX): Use it. (DWARF_FRAME_RETURN_COLUMN): Likewise. (EH_RETURN_REGNUM): Define. (EH_RETURN_STACKADJ_RTX): Use it. (EH_RETURN_HANDLER_RTX): Delete. (EPILOGUE_USES): Use them and add TARGET_FLAT handling. * config/sparc/sparc.c (apparent_fsize, actual_fsize, num_gfregs): Delete. (struct machine_function): Add frame_size, apparent_frame_size, frame_base_reg, frame_base_offset, n_global_fp_regs and save_local_in_regs_p fields. (sparc_frame_size, sparc_apparent_frame_size, sparc_frame_base_reg, sparc_frame_base_offset, sparc_n_global_fp_regs, sparc_save_local_in_regs_p): New macros. (sparc_option_override): Error out if -fcall-saved-REG is specified for Out registers. (eligible_for_restore_insn): Fix formatting. (eligible_for_return_delay): Likewise. Add TARGET_FLAT handling. (eligible_for_sibcall_delay): Likewise. (RTX_OK_FOR_OFFSET_P, RTX_OK_FOR_OLO10_P): Add MODE parameter. (sparc_legitimate_address_p): Adjust to above change. (save_global_or_fp_reg_p): New predicate. (return_addr_reg_needed_p): Likewise. (save_local_or_in_reg_p): Likewise. (sparc_compute_frame_size): Use them. Add TARGET_FLAT handling. (SORR_SAVE, SORR_RESTORE): Delete. (sorr_pred_t): New typedef. (sorr_act_t): New enum. (save_or_restore_regs): Rename to... (emit_save_or_restore_regs): ...this. Change type of LOW and HIGH parameters, remove ACTION parameter, add LEAF_FUNCTION_P, SAVE_P, ACTION_TRUE and ACTION_FALSE parameters. Implement more general mechanism. Add CFI information for double-word saves in 32-bit mode. (emit_adjust_base_to_offset): New function extracted from... (emit_save_or_restore_regs): ...this. Rename the rest to... (emit_save_or_restore_regs_global_fp_regs): ...this. (emit_save_or_restore_regs_local_in_regs): New function. (gen_create_flat_frame_[123]): New functions. (sparc_expand_prologue): Use SIZE local variable. Adjust. (sparc_flat_expand_prologue): New function. (sparc_asm_function_prologue): Add TARGET_FLAT handling. (sparc_expand_epilogue): Use SIZE local variable. Adjust. (sparc_flat_expand_epilogue): New function. (sparc_can_use_return_insn_p): Add TARGET_FLAT handling. (output_return): Likewise. (output_sibcall): Likewise. (sparc_output_mi_thunk): Likewise. (sparc_frame_pointer_required): Likewise. (sparc_conditional_register_usage): If TARGET_FLAT, disable the leaf function optimization. * config/sparc/sparc.md (flat): New attribute. (prologue): Add TARGET_FLAT handling. (save_register_window): Disable if TARGET_FLAT. (create_flat_frame_[123]): New patterns. (epilogue): Add TARGET_FLAT handling. (sibcall_epilogue): Likewise. (eh_return): New expander. (eh_return_internal): New insn and splitter. (return_internal): Add TARGET_FLAT handling. (untyped_return): Remove bogus test and use RETURN_ADDR_REGNUM. (save_stack_nonlocal): Use RETURN_ADDR_REGNUM. (nonlocal_goto): Add TARGET_FLAT handling. * config/sparc/t-elf: Add -mflat multilib. * config/sparc/t-leon: Likewise. libgcc/ * config/sparc/linux-unwind.h (STACK_BIAS): Define. (sparc64_fallback_frame_state): Use it. (sparc64_frob_update_context): Further adjust context. * config/sparc/sol2-unwind.h (sparc64_frob_update_context): Likewise. * config/sparc/sol2-ci.S: Add TARGET_FLAT handling. * config/sparc/sol2-cn.S: Likewise. Co-Authored-By: Laurent Rougé <laurent.rouge@menta.fr> From-SVN: r174897 |
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alpha | ||
arm | ||
avr | ||
bfin | ||
frv | ||
i386 | ||
ia64 | ||
libbid | ||
lm32 | ||
m68k | ||
microblaze | ||
mips | ||
mmix | ||
moxie | ||
pa | ||
rs6000 | ||
rx | ||
s390 | ||
sh | ||
sparc | ||
xtensa | ||
gmon-sol2.c | ||
no-unwind.h | ||
t-crtfm | ||
t-crtin | ||
t-gnu-prefix | ||
t-rtems | ||
t-slibgcc | ||
t-slibgcc-darwin | ||
t-slibgcc-elf-ver | ||
t-slibgcc-gld | ||
t-slibgcc-sld | ||
t-softfp | ||
t-sol2 | ||
t-stack | ||
t-tls |