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authornobled <nobled@dreamwidth.org>2010-08-06 17:32:29 +0000
committerJosé Fonseca <jfonseca@vmware.com>2010-08-10 10:24:26 +0100
commite9f3994b16beabb5892abdc4b359a093cbde7f79 (patch)
tree23ce594fca1aa5e2fe7007f3a2528e4be71c12dd /src/gallium/drivers
parente165453f84517b08afc2e2bf684546e9e24f3f30 (diff)
llvmpipe: Always use floating-point operators for floating-point types
See: http://bugs.freedesktop.org/29404 http://bugs.freedesktop.org/29407 Signed-off-by: José Fonseca <jfonseca@vmware.com>
Diffstat (limited to 'src/gallium/drivers')
-rw-r--r--src/gallium/drivers/llvmpipe/lp_bld_interp.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_interp.c b/src/gallium/drivers/llvmpipe/lp_bld_interp.c
index 78744da500..2cf6f38c4b 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_interp.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_interp.c
@@ -141,7 +141,7 @@ coeffs_init(struct lp_build_interp_soa_context *bld,
else {
dadx = LLVMBuildLoad(builder, LLVMBuildGEP(builder, dadx_ptr, &index, 1, ""), "");
dady = LLVMBuildLoad(builder, LLVMBuildGEP(builder, dady_ptr, &index, 1, ""), "");
- dadxy = LLVMBuildAdd(builder, dadx, dady, "");
+ dadxy = LLVMBuildFAdd(builder, dadx, dady, "");
attrib_name(dadx, attrib, chan, ".dadx");
attrib_name(dady, attrib, chan, ".dady");
attrib_name(dadxy, attrib, chan, ".dadxy");
@@ -177,7 +177,7 @@ coeffs_init(struct lp_build_interp_soa_context *bld,
* dadq2 = 2 * dq
*/
- dadq2 = LLVMBuildAdd(builder, dadq, dadq, "");
+ dadq2 = LLVMBuildFAdd(builder, dadq, dadq, "");
/*
* a = a0 + x * dadx + y * dady
@@ -193,12 +193,11 @@ coeffs_init(struct lp_build_interp_soa_context *bld,
a = a0;
if (interp != LP_INTERP_CONSTANT &&
interp != LP_INTERP_FACING) {
- a = LLVMBuildAdd(builder, a,
- LLVMBuildMul(builder, bld->x, dadx, ""),
- "");
- a = LLVMBuildAdd(builder, a,
- LLVMBuildMul(builder, bld->y, dady, ""),
- "");
+ LLVMValueRef tmp;
+ tmp = LLVMBuildFMul(builder, bld->x, dadx, "");
+ a = LLVMBuildFAdd(builder, a, tmp, "");
+ tmp = LLVMBuildFMul(builder, bld->y, dady, "");
+ a = LLVMBuildFAdd(builder, a, tmp, "");
}
}
@@ -212,7 +211,7 @@ coeffs_init(struct lp_build_interp_soa_context *bld,
* Compute the attrib values on the upper-left corner of each quad.
*/
- a = LLVMBuildAdd(builder, a, dadq2, "");
+ a = LLVMBuildFAdd(builder, a, dadq2, "");
/*
* a *= 1 / w