Mesa (10.3): gk110/ir: add dnz flag emission for fmul/fmad
Emil Velikov
evelikov at kemper.freedesktop.org
Mon Oct 13 01:03:16 UTC 2014
Module: Mesa
Branch: 10.3
Commit: 125cd86cd47a806e9a0825136f6147c02ab44c37
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=125cd86cd47a806e9a0825136f6147c02ab44c37
Author: Ilia Mirkin <imirkin at alum.mit.edu>
Date: Sun Sep 28 12:07:03 2014 -0400
gk110/ir: add dnz flag emission for fmul/fmad
Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
Cc: "10.2 10.3" <mesa-stable at lists.freedesktop.org>
(cherry picked from commit c74be01e80fcdd7feabc0f27df4aebe66abb626e)
---
src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp
index 23a6ac7..d8adc93 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp
@@ -140,6 +140,7 @@ private:
code[(0x##b) / 32] |= 1 << ((0x##b) % 32)
#define FTZ_(b) if (i->ftz) code[(0x##b) / 32] |= 1 << ((0x##b) % 32)
+#define DNZ_(b) if (i->dnz) code[(0x##b) / 32] |= 1 << ((0x##b) % 32)
#define SAT_(b) if (i->saturate) code[(0x##b) / 32] |= 1 << ((0x##b) % 32)
@@ -464,6 +465,7 @@ CodeEmitterGK110::emitFMAD(const Instruction *i)
SAT_(35);
RND_(36, F);
FTZ_(38);
+ DNZ_(39);
bool neg1 = (i->src(0).mod ^ i->src(1).mod).neg();
@@ -487,6 +489,7 @@ CodeEmitterGK110::emitFMUL(const Instruction *i)
emitForm_L(i, 0x200, 0x2, Modifier(0));
FTZ_(38);
+ DNZ_(39);
SAT_(3a);
if (neg)
code[1] ^= 1 << 22;
@@ -499,6 +502,7 @@ CodeEmitterGK110::emitFMUL(const Instruction *i)
RND_(2a, F);
FTZ_(2f);
+ DNZ_(30);
SAT_(35);
if (code[0] & 0x1) {
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