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| author | Richard Stallman <rms@gnu.org> | 1993-11-03 20:36:59 +0000 |
|---|---|---|
| committer | Richard Stallman <rms@gnu.org> | 1993-11-03 20:36:59 +0000 |
| commit | cc4c133a3646b53c5b77bdd55d1efb896a19b161 (patch) | |
| tree | 326a882f749c6ed72b434e251f68f885d032a56b /gcc/regclass.c | |
| parent | 937aa51bbad438b069d7a6219bfecd5c344c922e (diff) | |
| download | gcc-cc4c133a3646b53c5b77bdd55d1efb896a19b161.tar.gz | |
(regclass): Consider commutativity even when
one arg is a constant.
From-SVN: r5985
Diffstat (limited to 'gcc/regclass.c')
| -rw-r--r-- | gcc/regclass.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/gcc/regclass.c b/gcc/regclass.c index 3a488fc1a00..1453d0e9175 100644 --- a/gcc/regclass.c +++ b/gcc/regclass.c @@ -757,13 +757,11 @@ regclass (f, nregs) } /* Check for commutative in a separate loop so everything will - have been initialized. Don't bother doing anything if the - second operand is a constant since that is the case - for which the constraints should have been written. */ + have been initialized. We must do this even if one operand + is a constant--see addsi3 in m68k.md. */ for (i = 0; i < noperands - 1; i++) - if (constraints[i][0] == '%' - && ! CONSTANT_P (recog_operand[i+1])) + if (constraints[i][0] == '%') { char *xconstraints[MAX_RECOG_OPERANDS]; int j; |