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| author | Jeffrey A Law <law@cygnus.com> | 1998-08-20 23:19:05 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1998-08-20 17:19:05 -0600 |
| commit | 84f1ebff03debd27c7cd5e39c9cf68bdc77fad1c (patch) | |
| tree | 6c02413ea06f33c9f2945c39b822fa461ec89f83 /gcc/regmove.c | |
| parent | 8fc001f9a2a7e33d30abef625c9245995dcfe9f0 (diff) | |
| download | gcc-84f1ebff03debd27c7cd5e39c9cf68bdc77fad1c.zip gcc-84f1ebff03debd27c7cd5e39c9cf68bdc77fad1c.tar.gz gcc-84f1ebff03debd27c7cd5e39c9cf68bdc77fad1c.tar.bz2 | |
remove.c (optimize_reg_copy_3): Abort instead of silently generating bogus rtl.
* remove.c (optimize_reg_copy_3): Abort instead of silently generating
bogus rtl.
From-SVN: r21887
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 ba78411..089dc46 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); } |