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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 56b028d7c53..471291ceebf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,32 @@ 2015-05-20 Alan Modra <amodra@gmail.com> + * common/config/rs6000/rs6000-common.c (TARGET_SUPPORTS_SPLIT_STACK): + Define. + (rs6000_supports_split_stack): New function. + * gcc/config/rs6000/rs6000.c (machine_function): Add + split_stack_arg_pointer. + (TARGET_EXTRA_LIVE_ON_ENTRY, TARGET_INTERNAL_ARG_POINTER): Define. + (setup_incoming_varargs): Use crtl->args.internal_arg_pointer + rather than virtual_incoming_args_rtx. + (rs6000_va_start): Likewise. + (split_stack_arg_pointer_used_p): New function. + (rs6000_emit_prologue): Set up arg pointer for -fsplit-stack. + (morestack_ref): New var. + (gen_add3_const, rs6000_expand_split_stack_prologue, + rs6000_internal_arg_pointer, rs6000_live_on_entry, + rs6000_split_stack_space_check): New functions. + (rs6000_elf_file_end): Call file_end_indicate_split_stack. + * gcc/config/rs6000/rs6000.md (UNSPEC_STACK_CHECK): Define. + (UNSPECV_SPLIT_STACK_RETURN): Define. + (split_stack_prologue, load_split_stack_limit, + load_split_stack_limit_di, load_split_stack_limit_si, + split_stack_return, split_stack_space_check): New expands and insns. + * gcc/config/rs6000/rs6000-protos.h + (rs6000_expand_split_stack_prologue): Declare. + (rs6000_split_stack_space_check): Declare. + +2015-05-20 Alan Modra <amodra@gmail.com> + * config/rs6000/rs6000.c (struct rs6000_stack): Correct comments. (rs6000_stack_info): Don't zero offsets when not saving registers. (debug_stack_info): Adjust to omit printing unused offsets, |