From: Ilia Mirkin <imirkin@alum.mit.edu>
Date: Sun, 28 Sep 2014 16:07:03 +0000 (-0400)
Subject: gk110/ir: add dnz flag emission for fmul/fmad
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c74be01e80fcdd7feabc0f27df4aebe66abb626e;p=mesa.git

gk110/ir: add dnz flag emission for fmul/fmad

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: "10.2 10.3" <mesa-stable@lists.freedesktop.org>
---

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 23a6ac7528d..d8adc93eb5c 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) {