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-rw-r--r--src/gallium/drivers/llvmpipe/lp_setup_line.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup_line.c b/src/gallium/drivers/llvmpipe/lp_setup_line.c
index e1686eaabf6..9b3321e3ec1 100644
--- a/src/gallium/drivers/llvmpipe/lp_setup_line.c
+++ b/src/gallium/drivers/llvmpipe/lp_setup_line.c
@@ -641,7 +641,7 @@ try_setup_line( struct lp_setup_context *setup,
/* half-edge constants, will be interated over the whole render
* target.
*/
- plane[i].c = plane[i].dcdx * x[i] - plane[i].dcdy * y[i];
+ plane[i].c = IMUL64(plane[i].dcdx, x[i]) - IMUL64(plane[i].dcdy, y[i]);
/* correct for top-left vs. bottom-left fill convention.