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| author | Christian Iseli <Christian.Iseli@lslsun.epfl.ch> | 1997-12-17 00:12:32 +0100 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1997-12-16 16:12:32 -0700 |
| commit | be3d27d60c60bebc572a0d2001dce5ee8c35c75e (patch) | |
| tree | dc97bbed39c75079b4af770d9ac8932b6340194a /gcc/combine.c | |
| parent | ade7386a03439cde2997eb321da42f0f77c771f4 (diff) | |
| download | gcc-be3d27d60c60bebc572a0d2001dce5ee8c35c75e.zip gcc-be3d27d60c60bebc572a0d2001dce5ee8c35c75e.tar.gz gcc-be3d27d60c60bebc572a0d2001dce5ee8c35c75e.tar.bz2 | |
* combine.c (force_to_mode): return immediately if operand is a CLOBBER.
From-SVN: r17121
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index 339c949..a17c999 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -6064,8 +6064,11 @@ force_to_mode (x, mode, mask, reg, just_select) /* If this is a CALL or ASM_OPERANDS, don't do anything. Some of the code below will do the wrong thing since the mode of such an - expression is VOIDmode. */ - if (code == CALL || code == ASM_OPERANDS) + expression is VOIDmode. + + Also do nothing if X is a CLOBBER; this can happen if X was + the return value from a call to gen_lowpart_for_combine. */ + if (code == CALL || code == ASM_OPERANDS || code == CLOBBER) return x; /* We want to perform the operation is its present mode unless we know |