Index: llvm/trunk/lib/Target/AMDGPU/DSInstructions.td
===================================================================
--- llvm/trunk/lib/Target/AMDGPU/DSInstructions.td
+++ llvm/trunk/lib/Target/AMDGPU/DSInstructions.td
@@ -245,6 +245,7 @@
 def DS_AND_B32        : DS_1A1D_NORET<"ds_and_b32">;
 def DS_OR_B32         : DS_1A1D_NORET<"ds_or_b32">;
 def DS_XOR_B32        : DS_1A1D_NORET<"ds_xor_b32">;
+def DS_ADD_F32        : DS_1A1D_NORET<"ds_add_f32">;
 
 let mayLoad = 0 in {
 def DS_WRITE_B8       : DS_1A1D_NORET<"ds_write_b8">;
@@ -285,6 +286,8 @@
 
 def DS_ADD_RTN_U32    : DS_1A1D_RET<"ds_add_rtn_u32">,
                         AtomicNoRet<"ds_add_u32", 1>;
+def DS_ADD_RTN_F32    : DS_1A1D_RET<"ds_add_rtn_f32">,
+                        AtomicNoRet<"ds_add_f32", 1>;
 def DS_SUB_RTN_U32    : DS_1A1D_RET<"ds_sub_rtn_u32">,
                         AtomicNoRet<"ds_sub_u32", 1>;
 def DS_RSUB_RTN_U32   : DS_1A1D_RET<"ds_rsub_rtn_u32">,
@@ -777,6 +780,7 @@
 def DS_CMPST_F32_vi       : DS_Real_vi<0x11, DS_CMPST_F32>;
 def DS_MIN_F32_vi         : DS_Real_vi<0x12, DS_MIN_F32>;
 def DS_MAX_F32_vi         : DS_Real_vi<0x13, DS_MAX_F32>;
+def DS_ADD_F32_vi         : DS_Real_vi<0x15, DS_ADD_F32>;
 def DS_GWS_INIT_vi        : DS_Real_vi<0x19, DS_GWS_INIT>;
 def DS_GWS_SEMA_V_vi      : DS_Real_vi<0x1a, DS_GWS_SEMA_V>;
 def DS_GWS_SEMA_BR_vi     : DS_Real_vi<0x1b, DS_GWS_SEMA_BR>;
@@ -805,6 +809,7 @@
 def DS_MIN_RTN_F32_vi     : DS_Real_vi<0x32, DS_MIN_RTN_F32>;
 def DS_MAX_RTN_F32_vi     : DS_Real_vi<0x33, DS_MAX_RTN_F32>;
 def DS_WRAP_RTN_F32_vi    : DS_Real_vi<0x34, DS_WRAP_RTN_F32>;
+def DS_ADD_RTN_F32_vi     : DS_Real_vi<0x35, DS_ADD_RTN_F32>;
 def DS_READ_B32_vi        : DS_Real_vi<0x36, DS_READ_B32>;
 def DS_READ2_B32_vi       : DS_Real_vi<0x37, DS_READ2_B32>;
 def DS_READ2ST64_B32_vi   : DS_Real_vi<0x38, DS_READ2ST64_B32>;
Index: llvm/trunk/test/MC/AMDGPU/ds.s
===================================================================
--- llvm/trunk/test/MC/AMDGPU/ds.s
+++ llvm/trunk/test/MC/AMDGPU/ds.s
@@ -1,7 +1,12 @@
-// RUN: llvm-mc -arch=amdgcn -show-encoding %s | FileCheck %s --check-prefix=SICI
-// RUN: llvm-mc -arch=amdgcn -mcpu=SI  -show-encoding %s | FileCheck %s --check-prefix=SICI
+// RUN: not llvm-mc -arch=amdgcn -show-encoding %s | FileCheck %s --check-prefix=SI --check-prefix=SICI
+// RUN: not llvm-mc -arch=amdgcn -mcpu=tahiti  -show-encoding %s | FileCheck %s --check-prefix=SI --check-prefix=SICI
+// RUN: not llvm-mc -arch=amdgcn -mcpu=bonaire  -show-encoding %s | FileCheck %s --check-prefix=CI --check-prefix=SICI
 // RUN: llvm-mc -arch=amdgcn -mcpu=tonga -show-encoding %s | FileCheck %s --check-prefix=VI
 
+// RUN: not llvm-mc -arch=amdgcn -show-encoding %s 2>&1 | FileCheck %s --check-prefix=NOSI --check-prefix=NOSICI
+// RUN: not llvm-mc -arch=amdgcn -mcpu=tahiti  -show-encoding %s 2>&1 | FileCheck %s --check-prefix=NOSI --check-prefix=NOSICI
+// RUN: not llvm-mc -arch=amdgcn -mcpu=bonaire  -show-encoding %s 2>&1 | FileCheck %s --check-prefix=NOCI --check-prefix=NOSICI
+
 //===----------------------------------------------------------------------===//
 // Checks for 16-bit Offsets
 //===----------------------------------------------------------------------===//
@@ -54,6 +59,10 @@
 // SICI: ds_add_u32 v2, v4 ; encoding: [0x00,0x00,0x00,0xd8,0x02,0x04,0x00,0x00]
 // VI:   ds_add_u32 v2, v4 ; encoding: [0x00,0x00,0x00,0xd8,0x02,0x04,0x00,0x00]
 
+ds_add_f32 v2, v4
+// NOSICI: error: instruction not supported on this GPU
+// VI:   ds_add_f32 v2, v4 ; encoding: [0x00,0x00,0x2a,0xd8,0x02,0x04,0x00,0x00]
+
 ds_sub_u32 v2, v4
 // SICI: ds_sub_u32 v2, v4 ; encoding: [0x00,0x00,0x04,0xd8,0x02,0x04,0x00,0x00]
 // VI:   ds_sub_u32 v2, v4 ; encoding: [0x00,0x00,0x02,0xd8,0x02,0x04,0x00,0x00]
@@ -162,6 +171,10 @@
 // SICI: ds_add_rtn_u32 v8, v2, v4 ; encoding: [0x00,0x00,0x80,0xd8,0x02,0x04,0x00,0x08]
 // VI:   ds_add_rtn_u32 v8, v2, v4 ; encoding: [0x00,0x00,0x40,0xd8,0x02,0x04,0x00,0x08]
 
+ds_add_rtn_f32 v8, v2, v4
+// NOSICI: error: instruction not supported on this GPU
+// VI:   ds_add_rtn_f32 v8, v2, v4 ; encoding: [0x00,0x00,0x6a,0xd8,0x02,0x04,0x00,0x08]
+
 ds_sub_rtn_u32 v8, v2, v4
 // SICI: ds_sub_rtn_u32 v8, v2, v4 ; encoding: [0x00,0x00,0x84,0xd8,0x02,0x04,0x00,0x08]
 // VI:   ds_sub_rtn_u32 v8, v2, v4 ; encoding: [0x00,0x00,0x42,0xd8,0x02,0x04,0x00,0x08]