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| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 1998-08-20 23:19:05 +0000 |
|---|---|---|
| committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 1998-08-20 23:19:05 +0000 |
| commit | 564a01429bb3e847fea2ff4d2e7df2d7dfd92f11 (patch) | |
| tree | 6c02413ea06f33c9f2945c39b822fa461ec89f83 /gcc/regmove.c | |
| parent | 2207ad6ae28559f9289c0089447da404d438a839 (diff) | |
| download | gcc-564a01429bb3e847fea2ff4d2e7df2d7dfd92f11.tar.gz | |
* remove.c (optimize_reg_copy_3): Abort instead of silently generating
bogus rtl.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@21887 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/regmove.c')
| -rw-r--r-- | gcc/regmove.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/regmove.c b/gcc/regmove.c index ba78411bea8..089dc46e8a7 100644 --- a/gcc/regmove.c +++ b/gcc/regmove.c @@ -560,7 +560,10 @@ optimize_reg_copy_3 (insn, dest, src) { if (GET_RTX_CLASS (GET_CODE (p)) != 'i') continue; - validate_replace_rtx (src_reg, subreg, p); + /* If we can not perform the replacement, then abort now + to make debugging easier. */ + if (! validate_replace_rtx (src_reg, subreg, p)) + abort (); } validate_replace_rtx (src, src_reg, insn); } |