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| author | bernds <bernds@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-11-24 17:45:04 +0000 |
|---|---|---|
| committer | bernds <bernds@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-11-24 17:45:04 +0000 |
| commit | 1fdbc76b33c97f774468ef5f134f026f220b2c1b (patch) | |
| tree | c4752b2cd4a02d7beebff1142d13df82c0635c8d | |
| parent | b5083cca4e5c9c2dd8b3afc857fc56dc0f28de11 (diff) | |
| download | ppe42-gcc-1fdbc76b33c97f774468ef5f134f026f220b2c1b.tar.gz ppe42-gcc-1fdbc76b33c97f774468ef5f134f026f220b2c1b.zip | |
Fix crash in fold_range_test
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37712 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 2 | ||||
| -rw-r--r-- | gcc/fold-const.c | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2c12a963f0d..eb50265a21d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,7 @@ 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk> + * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null. + * reload1.c (conflicts_with_override): New function. (emit_input_reload_insns): Use it to tighten test for validity of substituting into output of previous insn. diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 9284a1943a9..aaff05f4d75 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -3780,6 +3780,7 @@ fold_range_test (exp) short-circuited branch and the underlying object on both sides is the same, make a non-short-circuit operation. */ else if (BRANCH_COST >= 2 + && lhs != 0 && rhs != 0 && (TREE_CODE (exp) == TRUTH_ANDIF_EXPR || TREE_CODE (exp) == TRUTH_ORIF_EXPR) && operand_equal_p (lhs, rhs, 0)) |
