[Mesa-dev] [PATCH] R600/SI: Add pattern for mul.

[Michel Dänzer]

From: Michel Dänzer <michel.daenzer at amd.com>

20 more little piglits with radeonsi.

Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
---
 lib/Target/R600/SIInstructions.td |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/Target/R600/SIInstructions.td b/lib/Target/R600/SIInstructions.td
index dd5bb42..c65aba8 100644
--- a/lib/Target/R600/SIInstructions.td
+++ b/lib/Target/R600/SIInstructions.td
@@ -928,6 +928,10 @@ def V_LDEXP_F64 : VOP3_64 <0x00000168, "V_LDEXP_F64", []>;
 def V_MUL_LO_U32 : VOP3_32 <0x00000169, "V_MUL_LO_U32", []>;
 def V_MUL_HI_U32 : VOP3_32 <0x0000016a, "V_MUL_HI_U32", []>;
 def V_MUL_LO_I32 : VOP3_32 <0x0000016b, "V_MUL_LO_I32", []>;
+def : Pat <
+  (mul AllReg_32:$src0, VReg_32:$src1),
+  (V_MUL_LO_I32 AllReg_32:$src0, VReg_32:$src1, (IMPLICIT_DEF), 0, 0, 0, 0)
+>;
 def V_MUL_HI_I32 : VOP3_32 <0x0000016c, "V_MUL_HI_I32", []>;
 def V_DIV_SCALE_F32 : VOP3_32 <0x0000016d, "V_DIV_SCALE_F32", []>;
 def V_DIV_SCALE_F64 : VOP3_64 <0x0000016e, "V_DIV_SCALE_F64", []>;
-- 
1.7.10.4