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authorfroydnj <froydnj@138bc75d-0d04-0410-961f-82ee72b054a4>2011-04-05 18:36:15 +0000
committerfroydnj <froydnj@138bc75d-0d04-0410-961f-82ee72b054a4>2011-04-05 18:36:15 +0000
commit2415b8ff57f8ae602518d6e7e8b8fe4f6fec4a09 (patch)
treea07f964dfe4e0ee6da3f8b30f03dd8e754157aad /gcc/combine.c
parent72269ab0760904c48b83d0f063e16cdeaf246406 (diff)
downloadgcc-2415b8ff57f8ae602518d6e7e8b8fe4f6fec4a09.tar.gz
fix compilation on AUTO_INC_DEC targets
* combine.c (combine_instructions) [AUTO_INC_DEC]: Declare links as an rtx. (try_combine) [AUTO_INC_DEC]: Declare a local link rtx. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@171995 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/combine.c')
-rw-r--r--gcc/combine.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/gcc/combine.c b/gcc/combine.c
index 30b7fdd041d..3e4a38c0a46 100644
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -1139,6 +1139,8 @@ combine_instructions (rtx f, unsigned int nregs)
FOR_BB_INSNS (this_basic_block, insn)
if (INSN_P (insn) && BLOCK_FOR_INSN (insn))
{
+ rtx links;
+
subst_low_luid = DF_INSN_LUID (insn);
subst_insn = insn;
@@ -2911,15 +2913,18 @@ try_combine (rtx i3, rtx i2, rtx i1, rtx i0, int *new_direct_jump_p)
/* It's not the exception. */
#endif
#ifdef AUTO_INC_DEC
- for (link = REG_NOTES (i3); link; link = XEXP (link, 1))
- if (REG_NOTE_KIND (link) == REG_INC
- && (reg_overlap_mentioned_p (XEXP (link, 0), PATTERN (i2))
- || (i1 != 0
- && reg_overlap_mentioned_p (XEXP (link, 0), PATTERN (i1)))))
- {
- undo_all ();
- return 0;
- }
+ {
+ rtx link;
+ for (link = REG_NOTES (i3); link; link = XEXP (link, 1))
+ if (REG_NOTE_KIND (link) == REG_INC
+ && (reg_overlap_mentioned_p (XEXP (link, 0), PATTERN (i2))
+ || (i1 != 0
+ && reg_overlap_mentioned_p (XEXP (link, 0), PATTERN (i1)))))
+ {
+ undo_all ();
+ return 0;
+ }
+ }
#endif
/* See if the SETs in I1 or I2 need to be kept around in the merged