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Diffstat (limited to 'gcc-4.6/gcc/cse.c')
| -rw-r--r-- | gcc-4.6/gcc/cse.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc-4.6/gcc/cse.c b/gcc-4.6/gcc/cse.c index 078977fbc..760911424 100644 --- a/gcc-4.6/gcc/cse.c +++ b/gcc-4.6/gcc/cse.c @@ -3054,6 +3054,12 @@ find_comparison_args (enum rtx_code code, rtx *parg1, rtx *parg2, if (! exp_equiv_p (p->exp, p->exp, 1, false)) continue; + /* If it's the same comparison we're already looking at, skip it. */ + if (COMPARISON_P (p->exp) + && XEXP (p->exp, 0) == arg1 + && XEXP (p->exp, 1) == arg2) + continue; + if (GET_CODE (p->exp) == COMPARE /* Another possibility is that this machine has a compare insn that includes the comparison code. In that case, ARG1 would |