diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2012-03-01 17:54:51 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2012-03-01 21:19:22 +0000 |
| commit | 392593e61dac3ac65ee8e32de492c4439413ee85 (patch) | |
| tree | 509bdeed8cdb38c32ce1220bcaae90e5b4441369 | |
| parent | 9c0c04cac245db046ef17ff24c32e6ab93535f48 (diff) | |
sna/gen5: Help the compiler avoid an uncached read
Debug builds are excruitatingly slow as the compiler doesn't store the
temporary in a register but uses an uncached readback instead. Maybe
this will help...
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
| -rw-r--r-- | src/sna/gen5_render.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/src/sna/gen5_render.c b/src/sna/gen5_render.c index bcba0d87..bccd3437 100644 --- a/src/sna/gen5_render.c +++ b/src/sna/gen5_render.c @@ -849,16 +849,14 @@ gen5_emit_composite_primitive_identity_source(struct sna *sna, dst.p.y = r->dst.y + r->height; v[0] = dst.f; v[1] = (sx + r->width) * sf[0]; - v[2] = (sy + r->height) * sf[1]; + v[5] = v[2] = (sy + r->height) * sf[1]; dst.p.x = r->dst.x; v[3] = dst.f; - v[4] = sx * sf[0]; - v[5] = v[2]; + v[7] = v[4] = sx * sf[0]; dst.p.y = r->dst.y; v[6] = dst.f; - v[7] = v[4]; v[8] = sy * sf[1]; } |