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| author | Zdenek Dvorak <dvorakz@suse.cz> | 2006-06-08 10:17:05 +0200 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2006-06-08 08:17:05 +0000 |
| commit | 136778e9b41c1d1d095f9e2e74b7255c7ce4f415 (patch) | |
| tree | 0e96cb17f5cc87934c7398356043594977cc1ab6 /gcc/loop-invariant.c | |
| parent | 4b5e2dbc974abfe763a79e37ec7f37993a306d94 (diff) | |
| download | gcc-136778e9b41c1d1d095f9e2e74b7255c7ce4f415.zip gcc-136778e9b41c1d1d095f9e2e74b7255c7ce4f415.tar.gz gcc-136778e9b41c1d1d095f9e2e74b7255c7ce4f415.tar.bz2 | |
re PR rtl-optimization/26449 (ICE in loop invariant motion)
PR rtl-optimization/26449
* loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
* gcc.dg/pr26449.c: New test.
From-SVN: r114481
Diffstat (limited to 'gcc/loop-invariant.c')
| -rw-r--r-- | gcc/loop-invariant.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/loop-invariant.c b/gcc/loop-invariant.c index 026af40..cf22949 100644 --- a/gcc/loop-invariant.c +++ b/gcc/loop-invariant.c @@ -1178,6 +1178,11 @@ move_invariant_reg (struct loop *loop, unsigned invno) { start_sequence (); op = force_operand (SET_SRC (set), reg); + if (!op) + { + end_sequence (); + goto fail; + } if (op != reg) emit_move_insn (reg, op); seq = get_insns (); |