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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d920a8878c5..3891393d604 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,28 @@ +2011-10-05 Bernd Schmidt <bernds@codesourcery.com> + + * doc/invoke.texi (-fshrink-wrap): Document. + * opts.c (default_options_table): Add it. + * common.opt (fshrink-wrap): Add. + * function.c (emit_return_into_block): Remove useless declaration. + (record_hard_reg_uses_1, record_hard_reg_uses, frame_required_for_rtx, + requires_stack_frame_p, gen_return_pattern): New static functions. + (emit_return_into_block): New arg simple_p. All callers changed. + Use gen_return_pattern. + (thread_prologue_and_epilogue_insns): Implement shrink-wrapping. + * config/i386/i386.md (return): Expand into a simple_return. + (simple_return): New expander): + (simple_return_internal, simple_return_internal_long, + simple_return_pop_internal_long, simple_return_indirect_internal): + Renamed from return_internal, return_internal_long, + return_pop_internal_long and return_indirect_internal; changed to use + simple_return. + * config/i386/i386.c (ix86_expand_epilogue): Adjust to expand + simple returns. + (ix86_pad_returns): Likewise. + * function.h (struct rtl_data): Add member shrink_wrapped. + * cfgcleanup.c (outgoing_edges_match): If shrink-wrapped, edges that + are not jumps or sibcalls can't be compared. + 2011-10-05 Richard Guenther <rguenther@suse.de> * tree-ssa-sccvn.c (vn_get_expr_for): Handle CONSTRUCTOR of |