[llvm] r177274 - R600/SI: add BUFFER_LOAD_DWORD pattern

[Christian Konig]

Author: ckoenig
Date: Mon Mar 18 06:34:00 2013
New Revision: 177274

URL: http://llvm.org/viewvc/llvm-project?rev=177274&view=rev
Log:
R600/SI: add BUFFER_LOAD_DWORD pattern

Signed-off-by: Christian König <christian.koenig 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=177274&r1=177273&r2=177274&view=diff
==============================================================================
--- llvm/trunk/lib/Target/R600/SIInstructions.td (original)
+++ llvm/trunk/lib/Target/R600/SIInstructions.td Mon Mar 18 06:34:00 2013
@@ -403,9 +403,9 @@ def BUFFER_LOAD_FORMAT_XYZW : MUBUF_Load
 //def BUFFER_LOAD_SBYTE : MUBUF_ <0x00000009, "BUFFER_LOAD_SBYTE", []>;
 //def BUFFER_LOAD_USHORT : MUBUF_ <0x0000000a, "BUFFER_LOAD_USHORT", []>;
 //def BUFFER_LOAD_SSHORT : MUBUF_ <0x0000000b, "BUFFER_LOAD_SSHORT", []>;
-//def BUFFER_LOAD_DWORD : MUBUF_ <0x0000000c, "BUFFER_LOAD_DWORD", []>;
-//def BUFFER_LOAD_DWORDX2 : MUBUF_DWORDX2 <0x0000000d, "BUFFER_LOAD_DWORDX2", []>;
-//def BUFFER_LOAD_DWORDX4 : MUBUF_DWORDX4 <0x0000000e, "BUFFER_LOAD_DWORDX4", []>;
+def BUFFER_LOAD_DWORD : MUBUF_Load_Helper <0x0000000c, "BUFFER_LOAD_DWORD", VReg_32>;
+def BUFFER_LOAD_DWORDX2 : MUBUF_Load_Helper <0x0000000d, "BUFFER_LOAD_DWORDX2", VReg_64>;
+def BUFFER_LOAD_DWORDX4 : MUBUF_Load_Helper <0x0000000e, "BUFFER_LOAD_DWORDX4", VReg_128>;
 //def BUFFER_STORE_BYTE : MUBUF_ <0x00000018, "BUFFER_STORE_BYTE", []>;
 //def BUFFER_STORE_SHORT : MUBUF_ <0x0000001a, "BUFFER_STORE_SHORT", []>;
 //def BUFFER_STORE_DWORD : MUBUF_ <0x0000001c, "BUFFER_STORE_DWORD", []>;
@@ -1415,6 +1415,12 @@ def : Pat <
   (S_BUFFER_LOAD_DWORD_SGPR SReg_128:$sbase, (S_MOV_B32 imm:$offset))
 >;
 
+// 3. Offset in an 32Bit VGPR
+def : Pat <
+  (int_SI_load_const SReg_128:$sbase, VReg_32:$voff),
+  (BUFFER_LOAD_DWORD 0, 1, 0, 0, 0, 0, VReg_32:$voff, SReg_128:$sbase, 0, 0, 0)
+>;
+
 /********** ================== **********/
 /**********   VOP3 Patterns    **********/
 /********** ================== **********/