Displaying 2 results from an estimated 2 matches for "expandintegermul".
2014 May 18
1
[PATCH 1/2] nv50/ir: fix s32 x s32 -> high s32 multiply logic
...ouveau/codegen/nv50_ir_lowering_nv50.cpp
@@ -37,18 +37,25 @@ namespace nv50_ir {
// ah*bl 00
//
// fffe0001 + fffe0001
+//
+// Note that this sort of splitting doesn't work for signed values, so we
+// compute the sign on those manually and then perform an unsigned multiply.
static bool
expandIntegerMUL(BuildUtil *bld, Instruction *mul)
{
const bool highResult = mul->subOp == NV50_IR_SUBOP_MUL_HIGH;
- DataType fTy = mul->sType; // full type
- DataType hTy;
+ DataType fTy; // full type
+ switch (mul->sType) {
+ case TYPE_S32: fTy = TYPE_U32; break;
+ case TYPE_S64: fTy =...
2014 May 13
1
[PATCH 1/2] nv50/ir: make sure that texprep/texquerylod's args get coalesced
Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
Cc: "10.2" <mesa-stable at lists.freedesktop.org>
---
Not 100% sure of the significance of this code, but this seems like the
correct thing to do... will definitely run it through a full piglit run before
pushing out.
src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp | 2 ++
1 file changed, 2 insertions(+)
diff --git