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| author |   Linus Torvalds <torvalds@ppc970.osdl.org> | 2004-08-01 21:29:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-07 21:02:31 -0700 |
| commit | 6c1e80b75871f7fd2bc6143d535766317444b160 (patch) | |
| tree | d1756afb581af3a82bce9ee4228ffc4c5426ad5c /compile-i386.c | |
| parent | Add "select" expression. (diff) | |
| download | sparse-6c1e80b75871f7fd2bc6143d535766317444b160.tar.gz sparse-6c1e80b75871f7fd2bc6143d535766317444b160.tar.bz2 sparse-6c1e80b75871f7fd2bc6143d535766317444b160.zip | |
Make expression expansion calculate the "cost" of the
expression.
This is just a very high-level cost, mainly distinguishing
between "safe" and "unsafe" operations, so that we can
determine if we can turn a C conditional into a select
statement, or a logical op into one without short-ciruiting.
Diffstat (limited to 'compile-i386.c')
| -rw-r--r-- | compile-i386.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/compile-i386.c b/compile-i386.c index dace971..2b379f0 100644 --- a/compile-i386.c +++ b/compile-i386.c @@ -2121,6 +2121,7 @@ static struct storage *x86_expression(struct expression *expr) case EXPR_BINOP: case EXPR_COMMA: case EXPR_LOGICAL: + case EXPR_SAFELOGICAL: return emit_binop(expr); case EXPR_PREOP: return x86_preop(expr); |