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llvmpipe: use some local vars to index step arrays 

Saves a few more cycles.
This commit is contained in:
Brian Paul 2010-01-21 19:09:59 -07:00
parent 1d23954a08
commit 3bca8691b5
1 changed files with 6 additions and 4 deletions
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10
src/gallium/drivers/llvmpipe/lp_rast_tri.c
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@ -153,16 +153,18 @@ do_block_16( struct lp_rasterizer_task *rast_task,
const int eo1 = tri->eo1 * 4;
const int eo2 = tri->eo2 * 4;
const int eo3 = tri->eo3 * 4;
const int *step0 = tri->inputs.step[0];
const int *step1 = tri->inputs.step[1];
const int *step2 = tri->inputs.step[2];
int i;
assert(x % 16 == 0);
assert(y % 16 == 0);
for (i = 0; i < 16; i++) {
int cx1 = c1 + (tri->inputs.step[0][i] * 4);
int cx2 = c2 + (tri->inputs.step[1][i] * 4);
int cx3 = c3 + (tri->inputs.step[2][i] * 4);
int cx1 = c1 + step0[i] * 4;
int cx2 = c2 + step1[i] * 4;
int cx3 = c3 + step2[i] * 4;
if (cx1 + eo1 < 0 ||
cx2 + eo2 < 0 ||