R600/SI: Add pattern for mul.

20 more little piglits with radeonsi.

Patch by: Michel Dänzer

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174654 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/R600/SIInstructions.td b/lib/Target/R600/SIInstructions.td
index fc98e4fd975726c6183f261aa4b3b2acfdeda1c6..a09f24378eedc6130f12d4acd6fac302d8c2b866 100644 (file)
--- a/lib/Target/R600/SIInstructions.td
+++ b/lib/Target/R600/SIInstructions.td
@@ -932,6 +932,10 @@ 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", []>;