[Mesa-dev] [PATCH 2/2] gk110/ir: use separate signed expressions for dst/src with IMUL32I

[Samuel Pitoiset]

Forcing the destination type to be signed when the source is signed
is not totally correct.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Cc: "11.1 11.2" <mesa-stable at lists.freedesktop.org>
---
 src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

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 f69567a..90b90bc 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp
@@ -617,8 +617,10 @@ CodeEmitterGK110::emitIMUL(const Instruction *i)
 
       if (i->subOp == NV50_IR_SUBOP_MUL_HIGH)
          code[1] |= 1 << 24;
+      if (i->dType == TYPE_S32)
+         code[1] |= 1 << 25;
       if (i->sType == TYPE_S32)
-         code[1] |= 3 << 25;
+         code[1] |= 1 << 26;
    } else {
       emitForm_21(i, 0x21c, 0xc1c);
 
-- 
2.8.0