Mesa (lp-binning): llvmpipe: use some local vars to index step arrays

[Brian Paul]

Module: Mesa
Branch: lp-binning
Commit: 3bca8691b51a1ca91572c62139f28b64c558ada2
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=3bca8691b51a1ca91572c62139f28b64c558ada2

Author: Brian Paul <brianp at vmware.com>
Date:   Thu Jan 21 19:09:59 2010 -0700

llvmpipe: use some local vars to index step arrays

Saves a few more cycles.

---

 src/gallium/drivers/llvmpipe/lp_rast_tri.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/gallium/drivers/llvmpipe/lp_rast_tri.c b/src/gallium/drivers/llvmpipe/lp_rast_tri.c
index e9d1572..3f76f15 100644
--- a/src/gallium/drivers/llvmpipe/lp_rast_tri.c
+++ b/src/gallium/drivers/llvmpipe/lp_rast_tri.c
@@ -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 ||