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| author | Jakub Jelinek <jakub@redhat.com> | 2018-11-13 10:45:50 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2018-11-13 10:45:50 +0100 |
| commit | 6bddea17a0464f674bf71d019af4c50c44ed6ed6 (patch) | |
| tree | 296ffe78d4a9f93adf2af4b393f4f56ee39e92c2 /gcc/simplify-rtx.c | |
| parent | 9384a5afd6eac11ce7419869bbd2663fefdf918c (diff) | |
| download | gcc-6bddea17a0464f674bf71d019af4c50c44ed6ed6.zip gcc-6bddea17a0464f674bf71d019af4c50c44ed6ed6.tar.gz gcc-6bddea17a0464f674bf71d019af4c50c44ed6ed6.tar.bz2 | |
re PR rtl-optimization/87918 (ICE in simplify_binary_operation, at simplify-rtx.c:2153 since r264688)
PR rtl-optimization/87918
* simplify-rtx.c (simplify_merge_mask): For COMPARISON_P, use
simplify_gen_relational rather than simplify_gen_binary.
* gcc.target/i386/pr87918.c: New test.
From-SVN: r266062
Diffstat (limited to 'gcc/simplify-rtx.c')
| -rw-r--r-- | gcc/simplify-rtx.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index 0d53135..db8af2f 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -5647,9 +5647,19 @@ simplify_merge_mask (rtx x, rtx mask, int op) rtx top0 = simplify_merge_mask (XEXP (x, 0), mask, op); rtx top1 = simplify_merge_mask (XEXP (x, 1), mask, op); if (top0 || top1) - return simplify_gen_binary (GET_CODE (x), GET_MODE (x), - top0 ? top0 : XEXP (x, 0), - top1 ? top1 : XEXP (x, 1)); + { + if (COMPARISON_P (x)) + return simplify_gen_relational (GET_CODE (x), GET_MODE (x), + GET_MODE (XEXP (x, 0)) != VOIDmode + ? GET_MODE (XEXP (x, 0)) + : GET_MODE (XEXP (x, 1)), + top0 ? top0 : XEXP (x, 0), + top1 ? top1 : XEXP (x, 1)); + else + return simplify_gen_binary (GET_CODE (x), GET_MODE (x), + top0 ? top0 : XEXP (x, 0), + top1 ? top1 : XEXP (x, 1)); + } } if (GET_RTX_CLASS (GET_CODE (x)) == RTX_TERNARY && VECTOR_MODE_P (GET_MODE (XEXP (x, 0))) |