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| author | Bernd Schmidt <bernds@codesourcery.com> | 2011-10-06 18:59:36 +0000 |
|---|---|---|
| committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2011-10-06 18:59:36 +0000 |
| commit | f4b31a33a2ba7839164998916ec4215acdb162b9 (patch) | |
| tree | c649b6625d5a5697bc6e9e44f0886bbd82a7af39 | |
| parent | 69d2aade06017139c9e5be9c749f84d33766c1de (diff) | |
| download | gcc-f4b31a33a2ba7839164998916ec4215acdb162b9.zip gcc-f4b31a33a2ba7839164998916ec4215acdb162b9.tar.gz gcc-f4b31a33a2ba7839164998916ec4215acdb162b9.tar.bz2 | |
function.c (thread_prologue_and_epilogue_insns): Emit split prologue on the orig_entry_edge.
* function.c (thread_prologue_and_epilogue_insns): Emit split
prologue on the orig_entry_edge. Don't account for it in
prologue_clobbered.
From-SVN: r179627
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/function.c | 6 |
2 files changed, 7 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a8cc833..a99d5ef 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2011-10-06 Bernd Schmidt <bernds@codesourcery.com> + + * function.c (thread_prologue_and_epilogue_insns): Emit split + prologue on the orig_entry_edge. Don't account for it in + prologue_clobbered. + 2011-10-06 Jakub Jelinek <jakub@redhat.com> PR tree-optimization/50596 diff --git a/gcc/function.c b/gcc/function.c index c535ff0..ff63b94 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -5602,10 +5602,6 @@ thread_prologue_and_epilogue_insns (void) note_stores (PATTERN (p_insn), record_hard_reg_sets, &prologue_clobbered); } - for (p_insn = split_prologue_seq; p_insn; p_insn = NEXT_INSN (p_insn)) - if (NONDEBUG_INSN_P (p_insn)) - note_stores (PATTERN (p_insn), record_hard_reg_sets, - &prologue_clobbered); bitmap_initialize (&bb_antic_flags, &bitmap_default_obstack); bitmap_initialize (&bb_on_list, &bitmap_default_obstack); @@ -5758,7 +5754,7 @@ thread_prologue_and_epilogue_insns (void) if (split_prologue_seq != NULL_RTX) { - insert_insn_on_edge (split_prologue_seq, entry_edge); + insert_insn_on_edge (split_prologue_seq, orig_entry_edge); inserted = true; } if (prologue_seq != NULL_RTX) |