R600/SI: add BUFFER_LOAD_DWORD pattern

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177274 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/R600/SIInstructions.td b/lib/Target/R600/SIInstructions.td
index 5e8ab0c5d2af47fd87389d498c44713992dcffe8..c14e8a376b29a68b293a5a4367a4ff89854b7bad 100644 (file)
--- a/lib/Target/R600/SIInstructions.td
+++ b/lib/Target/R600/SIInstructions.td
@@ -403,9 +403,9 @@ def BUFFER_LOAD_FORMAT_XYZW : MUBUF_Load_Helper <0x00000003, "BUFFER_LOAD_FORMAT
 //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)
+>;
+
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 /**********   VOP3 Patterns    **********/
 /********** ================== **********/