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authorTom de Vries <tom@codesourcery.com>2011-04-05 10:04:44 +0000
committerTom de Vries <tom@codesourcery.com>2011-04-05 10:04:44 +0000
commit44865c5eaf6c49ef4fc3cd4e82069761dcb3dc01 (patch)
treeefebfadb72641a3bc09407f8a2fef2b8cdf0f672 /gcc/cfgcleanup.c
parenta1bb67af34047bc198b62f332538eaa552d5b302 (diff)
2011-04-05 Tom de Vries <tom@codesourcery.com>
PR target/43920 * cfgcleanup.c (flow_find_cross_jump): Don't count USE or CLOBBER as insn. git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@171976 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cfgcleanup.c')
-rw-r--r--gcc/cfgcleanup.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/cfgcleanup.c b/gcc/cfgcleanup.c
index 6178b59a7c4..112cb4907b4 100644
--- a/gcc/cfgcleanup.c
+++ b/gcc/cfgcleanup.c
@@ -1070,6 +1070,7 @@ flow_find_cross_jump (basic_block bb1, basic_block bb2, rtx *f1, rtx *f2)
{
rtx i1, i2, last1, last2, afterlast1, afterlast2;
int ninsns = 0;
+ rtx p1;
/* Skip simple jumps at the end of the blocks. Complex jumps still
need to be compared for equivalence, which we'll do below. */
@@ -1118,7 +1119,9 @@ flow_find_cross_jump (basic_block bb1, basic_block bb2, rtx *f1, rtx *f2)
afterlast1 = last1, afterlast2 = last2;
last1 = i1, last2 = i2;
- ninsns++;
+ p1 = PATTERN (i1);
+ if (!(GET_CODE (p1) == USE || GET_CODE (p1) == CLOBBER))
+ ninsns++;
}
i1 = PREV_INSN (i1);