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| author | Jakub Jelinek <jakub@redhat.com> | 2007-08-28 11:47:32 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2007-08-28 11:47:32 +0200 |
| commit | 71cca28908fd6715721704da2fe4f8929879cd86 (patch) | |
| tree | 422461cc69ae75f8496e5b267fb5f1e251b48a6b /gcc/simplify-rtx.c | |
| parent | a7d0852d3f7d3e0a596f53efb2d75cf522ffb43f (diff) | |
| download | gcc-71cca28908fd6715721704da2fe4f8929879cd86.zip gcc-71cca28908fd6715721704da2fe4f8929879cd86.tar.gz gcc-71cca28908fd6715721704da2fe4f8929879cd86.tar.bz2 | |
re PR rtl-optimization/33148 (ICE in trunc_int_for_mode, at explow.c:56 during combine)
PR rtl-optimization/33148
* simplify-rtx.c (simplify_unary_operation_1): Only optimize
(neg (lt X 0)) if X has scalar int mode.
* gcc.c-torture/compile/20070827-1.c: New test.
From-SVN: r127855
Diffstat (limited to 'gcc/simplify-rtx.c')
| -rw-r--r-- | gcc/simplify-rtx.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index 40337a5..97c4d93 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -583,7 +583,8 @@ simplify_unary_operation_1 (enum rtx_code code, enum machine_mode mode, rtx op) /* (neg (lt x 0)) is (ashiftrt X C) if STORE_FLAG_VALUE is 1. */ /* (neg (lt x 0)) is (lshiftrt X C) if STORE_FLAG_VALUE is -1. */ if (GET_CODE (op) == LT - && XEXP (op, 1) == const0_rtx) + && XEXP (op, 1) == const0_rtx + && SCALAR_INT_MODE_P (GET_MODE (XEXP (op, 0)))) { enum machine_mode inner = GET_MODE (XEXP (op, 0)); int isize = GET_MODE_BITSIZE (inner); |