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r226848 - /branches/ibm/gcc-5-branch/gcc/config...
- From: amodra at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Thu, 13 Aug 2015 05:25:03 -0000
- Subject: r226848 - /branches/ibm/gcc-5-branch/gcc/config...
Author: amodra
Date: Thu Aug 13 05:25:02 2015
New Revision: 226848
URL: https://gcc.gnu.org/viewcvs?rev=226848&root=gcc&view=rev
Log:
More split-stack fixes
Backport rev 226443
2015-07-31 Alan Modra <amodra@gmail.com>
PR target/66870
* config/rs6000/rs6000.c (machine_function): Add split_stack_argp_used.
(rs6000_emit_prologue): Set it.
(rs6000_set_up_by_prologue): Specify r12 when split_stack_argp_used.
Backport rev 223878
2015-05-30 Alan Modra <amodra@gmail.com>
* config/rs6000/rs6000.c (split_stack_arg_pointer_used_p): Scan
correct block for use of r12.
(rs6000_expand_split_stack_prologue): Error on r29 asm global reg.
Backport rev 223427
2015-05-20 Alan Modra <amodra@gmail.com>
* config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Return
stack adjusting insn. Formatting.
(rs6000_emit_prologue): Track stack adjusting insn, and use of
r12. If possible, emit first -fsplit-stack arg pointer insn
before stack adjust. Don't use r12 to save cr if split-stack.
Backport rev 223425
2015-05-20 Alan Modra <amodra@gmail.com>
* config/rs6000/rs6000.c (struct rs6000_stack): Correct comments.
(direct_return): Test vrsave_size rather than vrsave_mask.
(rs6000_emit_prologue): Likewise. Remove redundant altivec tests.
(rs6000_emit_epilogue): Likewise.
Revert bogus rs6000_function_ok_for_sibcall change that caused failure
of glibc build.
Revert rs6000_can_eliminate cosmetic change
Modified:
branches/ibm/gcc-5-branch/gcc/config/rs6000/rs6000.c