diff options
Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6d83b32..076eaae 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,4 +1,187 @@ 2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + Alan Modra <amodra@gmail.com> + + * config/rs6000/rs6000.h (RS6000_SAVE_AREA): Handle ABI_ELFv2. + (RS6000_SAVE_TOC): Remove. + (RS6000_TOC_SAVE_SLOT): New macro. + * config/rs6000/rs6000.c (rs6000_parm_offset): New function. + (rs6000_parm_start): Use it. + (rs6000_function_arg_advance_1): Likewise. + (rs6000_emit_prologue): Use RS6000_TOC_SAVE_SLOT. + (rs6000_emit_epilogue): Likewise. + (rs6000_call_aix): Likewise. + (rs6000_output_function_prologue): Do not save/restore r11 + around calling _mcount for ABI_ELFv2. + +2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + Alan Modra <amodra@gmail.com> + + * config/rs6000/rs6000-protos.h (rs6000_reg_parm_stack_space): + Add prototype. + * config/rs6000/rs6000.h (RS6000_REG_SAVE): Remove. + (REG_PARM_STACK_SPACE): Call rs6000_reg_parm_stack_space. + * config/rs6000/rs6000.c (rs6000_parm_needs_stack): New function. + (rs6000_function_parms_need_stack): Likewise. + (rs6000_reg_parm_stack_space): Likewise. + (rs6000_function_arg): Do not replace BLKmode by Pmode when + returning a register argument. + +2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + Michael Gschwind <mkg@us.ibm.com> + + * config/rs6000/rs6000.h (FP_ARG_MAX_RETURN): New macro. + (ALTIVEC_ARG_MAX_RETURN): Likewise. + (FUNCTION_VALUE_REGNO_P): Use them. + * config/rs6000/rs6000.c (TARGET_RETURN_IN_MSB): Define. + (rs6000_return_in_msb): New function. + (rs6000_return_in_memory): Handle ELFv2 homogeneous aggregates. + Handle aggregates of up to 16 bytes for ELFv2. + (rs6000_function_value): Handle ELFv2 homogeneous aggregates. + +2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + Michael Gschwind <mkg@us.ibm.com> + + * config/rs6000/rs6000.h (AGGR_ARG_NUM_REG): Define. + * config/rs6000/rs6000.c (rs6000_aggregate_candidate): New function. + (rs6000_discover_homogeneous_aggregate): Likewise. + (rs6000_function_arg_boundary): Handle homogeneous aggregates. + (rs6000_function_arg_advance_1): Likewise. + (rs6000_function_arg): Likewise. + (rs6000_arg_partial_bytes): Likewise. + (rs6000_psave_function_arg): Handle BLKmode arguments. + +2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + Michael Gschwind <mkg@us.ibm.com> + + * config/rs6000/rs6000.h (AGGR_ARG_NUM_REG): Define. + * config/rs6000/rs6000.c (rs6000_aggregate_candidate): New function. + (rs6000_discover_homogeneous_aggregate): Likewise. + (rs6000_function_arg_boundary): Handle homogeneous aggregates. + (rs6000_function_arg_advance_1): Likewise. + (rs6000_function_arg): Likewise. + (rs6000_arg_partial_bytes): Likewise. + (rs6000_psave_function_arg): Handle BLKmode arguments. + +2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + * config/rs6000/rs6000.c (machine_function): New member + r2_setup_needed. + (rs6000_emit_prologue): Set r2_setup_needed if necessary. + (rs6000_output_mi_thunk): Set r2_setup_needed. + (rs6000_output_function_prologue): Output global entry point + prologue and local entry point marker if needed for ABI_ELFv2. + Output -mprofile-kernel code here. + (output_function_profiler): Do not output -mprofile-kernel + code here; moved to rs6000_output_function_prologue. + (rs6000_file_start): Output ".abiversion 2" for ABI_ELFv2. + + (rs6000_emit_move): Do not handle dot symbols for ABI_ELFv2. + (rs6000_output_function_entry): Likewise. + (rs6000_assemble_integer): Likewise. + (rs6000_elf_encode_section_info): Likewise. + (rs6000_elf_declare_function_name): Do not create dot symbols + or .opd section for ABI_ELFv2. + + (rs6000_trampoline_size): Update for ABI_ELFv2 trampolines. + (rs6000_trampoline_init): Likewise. + (rs6000_elf_file_end): Call file_end_indicate_exec_stack + for ABI_ELFv2. + + (rs6000_call_aix): Handle ELFv2 indirect calls. Do not check + for function descriptors in ABI_ELFv2. + + * config/rs6000/rs6000.md ("*call_indirect_aix<mode>"): Support + on ABI_AIX only, not ABI_ELFv2. + ("*call_value_indirect_aix<mode>"): Likewise. + ("*call_indirect_elfv2<mode>"): New pattern. + ("*call_value_indirect_elfv2<mode>"): Likewise. + + * config/rs6000/predicates.md ("symbol_ref_operand"): Do not + check for function descriptors in ABI_ELFv2. + ("current_file_function_operand"): Likewise. + + * config/rs6000/ppc-asm.h [__powerpc64__ && _CALL_ELF == 2]: + (toc): Undefine. + (FUNC_NAME): Define ELFv2 variant. + (JUMP_TARGET): Likewise. + (FUNC_START): Likewise. + (HIDDEN_FUNC): Likewise. + (FUNC_END): Likeiwse. + +2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + * config.gcc [powerpc*-*-* | rs6000-*-*]: Support --with-abi=elfv1 + and --with-abi=elfv2. + * config/rs6000/option-defaults.h (OPTION_DEFAULT_SPECS): Add "abi". + * config/rs6000/rs6000.opt (mabi=elfv1): New option. + (mabi=elfv2): Likewise. + * config/rs6000/rs6000-opts.h (enum rs6000_abi): Add ABI_ELFv2. + * config/rs6000/linux64.h (DEFAULT_ABI): Do not hard-code to AIX_ABI + if !RS6000_BI_ARCH. + (ELFv2_ABI_CHECK): New macro. + (SUBSUBTARGET_OVERRIDE_OPTIONS): Use it to decide whether to set + rs6000_current_abi to ABI_AIX or ABI_ELFv2. + (GLIBC_DYNAMIC_LINKER64): Support ELFv2 ld.so version. + * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Predefine + _CALL_ELF and __STRUCT_PARM_ALIGN__ if appropriate. + + * config/rs6000/rs6000.c (rs6000_debug_reg_global): Handle ABI_ELFv2. + (debug_stack_info): Likewise. + (rs6000_file_start): Treat ABI_ELFv2 the same as ABI_AIX. + (rs6000_legitimize_tls_address): Likewise. + (rs6000_conditional_register_usage): Likewise. + (rs6000_emit_move): Likewise. + (init_cumulative_args): Likewise. + (rs6000_function_arg_advance_1): Likewise. + (rs6000_function_arg): Likewise. + (rs6000_arg_partial_bytes): Likewise. + (rs6000_output_function_entry): Likewise. + (rs6000_assemble_integer): Likewise. + (rs6000_savres_strategy): Likewise. + (rs6000_stack_info): Likewise. + (rs6000_function_ok_for_sibcall): Likewise. + (rs6000_emit_load_toc_table): Likewise. + (rs6000_savres_routine_name): Likewise. + (ptr_regno_for_savres): Likewise. + (rs6000_emit_prologue): Likewise. + (rs6000_emit_epilogue): Likewise. + (rs6000_output_function_epilogue): Likewise. + (output_profile_hook): Likewise. + (output_function_profiler): Likewise. + (rs6000_trampoline_size): Likewise. + (rs6000_trampoline_init): Likewise. + (rs6000_elf_output_toc_section_asm_op): Likewise. + (rs6000_elf_encode_section_info): Likewise. + (rs6000_elf_reloc_rw_mask): Likewise. + (rs6000_elf_declare_function_name): Likewise. + (rs6000_function_arg_boundary): Treat ABI_ELFv2 the same as ABI_AIX, + except that rs6000_compat_align_parm is always assumed false. + (rs6000_gimplify_va_arg): Likewise. + (rs6000_call_aix): Update comment. + (rs6000_sibcall_aix): Likewise. + * config/rs6000/rs6000.md ("tls_gd_aix<TLSmode:tls_abi_suffix>"): + Treat ABI_ELFv2 the same as ABI_AIX. + ("*tls_gd_call_aix<TLSmode:tls_abi_suffix>"): Likewise. + ("tls_ld_aix<TLSmode:tls_abi_suffix>"): Likewise. + ("*tls_ld_call_aix<TLSmode:tls_abi_suffix>"): Likewise. + ("load_toc_aix_si"): Likewise. + ("load_toc_aix_di"): Likewise. + ("call"): Likewise. + ("call_value"): Likewise. + ("*call_local_aix<mode>"): Likewise. + ("*call_value_local_aix<mode>"): Likewise. + ("*call_nonlocal_aix<mode>"): Likewise. + ("*call_value_nonlocal_aix<mode>"): Likewise. + ("*call_indirect_aix<mode>"): Likewise. + ("*call_value_indirect_aix<mode>"): Likewise. + ("sibcall"): Likewise. + ("sibcall_value"): Likewise. + ("*sibcall_aix<mode>"): Likewise. + ("*sibcall_value_aix<mode>"): Likewise. + * config/rs6000/predicates.md ("symbol_ref_operand"): Likewise. + ("current_file_function_operand"): Likewise. + +2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Simplify logic by making use of the fact that for vector / floating point arguments |