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| author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2004-12-10 14:17:20 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-07 21:05:56 -0700 |
| commit | d7f72582a83e46b26094e4072c433680373cea1c (patch) | |
| tree | 7440d45463f34332342127be106f9400a2f1ef44 /example.c | |
| parent | 5925cd42c163ead7e5fad701e5a34bb14382291d (diff) | |
| download | sparse-dev-d7f72582a83e46b26094e4072c433680373cea1c.tar.gz | |
Make target register allocation prefer empty registers.
Yeah, yeah, it's still pretty stupid.
Diffstat (limited to 'example.c')
| -rw-r--r-- | example.c | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -332,6 +332,10 @@ static struct hardreg *target_reg(struct bb_state *state, pseudo_t pseudo, pseud if (reg && !reg->busy) goto found; + reg = empty_reg(state); + if (reg) + goto found; + i = last_reg+1; if (i >= REGNO) i = 0; |