llvmpipe: Immediate multiplication.

1 files changed, 2 insertions, 28 deletions

diff --git a/src/gallium/drivers/llvmpipe/lp_bld_interp.c b/src/gallium/drivers/llvmpipe/lp_bld_interp.c
index 338dbca6d1e..818c0e943e3 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_interp.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_interp.c
@@ -109,32 +109,6 @@ coeffs_init(struct lp_build_interp_soa_context *bld,
 
 
 /**
- * Small vector x scale multiplication optimization.
- *
- * TODO: Should be elsewhere.
- */
-static LLVMValueRef
-coeff_multiply(struct lp_build_interp_soa_context *bld,
-               LLVMValueRef coeff,
-               int step)
-{
-   LLVMValueRef factor;
-
-   switch(step) {
-   case 0:
-      return bld->base.zero;
-   case 1:
-      return coeff;
-   case 2:
-      return lp_build_add(&bld->base, coeff, coeff);
-   default:
-      factor = lp_build_const_scalar(bld->base.type, (double)step);
-      return lp_build_mul(&bld->base, coeff, factor);
-   }
-}
-
-
-/**
  * Multiply the dadx and dady with the xstep and ystep respectively.
  */
 static void
@@ -149,8 +123,8 @@ coeffs_update(struct lp_build_interp_soa_context *bld)
       if (mode != TGSI_INTERPOLATE_CONSTANT) {
          for(chan = 0; chan < NUM_CHANNELS; ++chan) {
             if(mask & (1 << chan)) {
-               bld->dadx[attrib][chan] = coeff_multiply(bld, bld->dadx[attrib][chan], bld->xstep);
-               bld->dady[attrib][chan] = coeff_multiply(bld, bld->dady[attrib][chan], bld->ystep);
+               bld->dadx[attrib][chan] = lp_build_mul_imm(&bld->base, bld->dadx[attrib][chan], bld->xstep);
+               bld->dady[attrib][chan] = lp_build_mul_imm(&bld->base, bld->dady[attrib][chan], bld->ystep);
             }
          }
       }