[llvm] r174654 - R600/SI: Add pattern for mul.

[Tom Stellard]

Author: tstellar
Date: Thu Feb  7 13:39:42 2013
New Revision: 174654

URL: http://llvm.org/viewvc/llvm-project?rev=174654&view=rev
Log:
R600/SI: Add pattern for mul.

20 more little piglits with radeonsi.

Patch by: Michel Dänzer

Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
Reviewed-by: Tom Stellard <thomas.stellard at amd.com>

Modified:
    llvm/trunk/lib/Target/R600/SIInstructions.td

Modified: llvm/trunk/lib/Target/R600/SIInstructions.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/R600/SIInstructions.td?rev=174654&r1=174653&r2=174654&view=diff
==============================================================================
--- llvm/trunk/lib/Target/R600/SIInstructions.td (original)
+++ llvm/trunk/lib/Target/R600/SIInstructions.td Thu Feb  7 13:39:42 2013
@@ -932,6 +932,10 @@ def V_LDEXP_F64 : VOP3_64 <0x00000168, "
 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", []>;