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authorJosé Fonseca <jfonseca@vmware.com>2010-08-11 15:13:17 +0100
committerJosé Fonseca <jfonseca@vmware.com>2010-08-11 15:14:10 +0100
commit10ce6779e8a64c33add70e440f885c210f3fa6ee (patch)
tree2536d6330e1f5774652fcd26bc86bdc426fdcc49 /src/gallium/auxiliary
parentf8533482f4a9b5ee7107f4e653d4ebf99ac63e2e (diff)
gallivm: Use lp_build_div instead of lp_build_mul + lp_build_rcp.
Single divide, so let lp_build_div decide how to implement this. This will save a multiplication in architectures which don't have a RCP intrinsic.
Diffstat (limited to 'src/gallium/auxiliary')
-rw-r--r--src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
index 665b010ece..307506507d 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
@@ -1219,8 +1219,7 @@ lp_build_cube_ima(struct lp_build_context *coord_bld, LLVMValueRef coord)
/* ima = -0.5 / abs(coord); */
LLVMValueRef negHalf = lp_build_const_vec(coord_bld->type, -0.5);
LLVMValueRef absCoord = lp_build_abs(coord_bld, coord);
- LLVMValueRef ima = lp_build_mul(coord_bld, negHalf,
- lp_build_rcp(coord_bld, absCoord));
+ LLVMValueRef ima = lp_build_div(coord_bld, negHalf, absCoord);
return ima;
}