Index: lib/Target/AMDGPU/AMDGPU.td
===================================================================
--- lib/Target/AMDGPU/AMDGPU.td
+++ lib/Target/AMDGPU/AMDGPU.td
@@ -31,6 +31,18 @@
   "Most fp64 instructions are half rate instead of quarter"
 >;
 
+def SixteenthRate64Ops : SubtargetFeature<"sixteenth-rate-64-ops",
+  "SixteenthRate64Ops",
+  "true",
+  "Define 1/16 fp rate"
+>;
+
+def EighthRate64Ops : SubtargetFeature<"eighth-rate-64-ops",
+  "EighthRate64Ops",
+  "true",
+  "Define 1/8 fp rate"
+>; 
+
 def FeatureR600ALUInst : SubtargetFeature<"R600ALUInst",
   "R600ALUInst",
   "false",
@@ -353,6 +365,7 @@
 
 def FeatureISAVersion7_0_0 : SubtargetFeatureISAVersion <7,0,0,
   [FeatureSeaIslands,
+   SixteenthRate64Ops,
    FeatureLDSBankCount32]>;
 
 def FeatureISAVersion7_0_1 : SubtargetFeatureISAVersion <7,0,1,
@@ -363,21 +376,31 @@
 
 def FeatureISAVersion7_0_2 : SubtargetFeatureISAVersion <7,0,2,
   [FeatureSeaIslands,
+   EighthRate64Ops,
+   FeatureLDSBankCount32,
+   FeatureFastFMAF32]>;
+
+def FeatureISAVersion7_0_3 : SubtargetFeatureISAVersion <7,0,3,
+  [FeatureSeaIslands,
+   SixteenthRate64Ops,
    FeatureLDSBankCount16]>;
 
 def FeatureISAVersion8_0_0 : SubtargetFeatureISAVersion <8,0,0,
   [FeatureVolcanicIslands,
    FeatureLDSBankCount32,
+   SixteenthRate64Ops,
    FeatureSGPRInitBug]>;
 
 def FeatureISAVersion8_0_1 : SubtargetFeatureISAVersion <8,0,1,
   [FeatureVolcanicIslands,
+   HalfRate64Ops,
    FeatureLDSBankCount32,
    FeatureXNACK]>;
 
 def FeatureISAVersion8_0_2 : SubtargetFeatureISAVersion <8,0,2,
   [FeatureVolcanicIslands,
    FeatureLDSBankCount32,
+   SixteenthRate64Ops,
    FeatureSGPRInitBug]>;
 
 def FeatureISAVersion8_0_3 : SubtargetFeatureISAVersion <8,0,3,
@@ -386,11 +409,13 @@
 
 def FeatureISAVersion8_0_4 : SubtargetFeatureISAVersion <8,0,4,
   [FeatureVolcanicIslands,
-   FeatureLDSBankCount32]>;
+   FeatureLDSBankCount32,
+   SixteenthRate64Ops]>;
 
 def FeatureISAVersion8_1_0 : SubtargetFeatureISAVersion <8,1,0,
   [FeatureVolcanicIslands,
    FeatureLDSBankCount16,
+   SixteenthRate64Ops,
    FeatureXNACK]>;
 
 //===----------------------------------------------------------------------===//
Index: lib/Target/AMDGPU/AMDGPUSubtarget.h
===================================================================
--- lib/Target/AMDGPU/AMDGPUSubtarget.h
+++ lib/Target/AMDGPU/AMDGPUSubtarget.h
@@ -58,6 +58,7 @@
     ISAVersion7_0_0,
     ISAVersion7_0_1,
     ISAVersion7_0_2,
+    ISAVersion7_0_3,
     ISAVersion8_0_0,
     ISAVersion8_0_1,
     ISAVersion8_0_2,
@@ -79,6 +80,8 @@
   // Possibly statically set by tablegen, but may want to be overridden.
   bool FastFMAF32;
   bool HalfRate64Ops;
+  bool SixteenthRate64Ops;
+  bool EighthRate64Ops;
 
   // Dynamially set bits that enable features.
   bool FP16Denormals;
@@ -200,6 +203,14 @@
     return HalfRate64Ops;
   }
 
+  bool hasSixteenthRate64Ops() const {
+    return SixteenthRate64Ops;
+  }
+
+  bool hasEighthRate64Ops() const {
+    return EighthRate64Ops;
+  }
+
   bool hasAddr64() const {
     return (getGeneration() < VOLCANIC_ISLANDS);
   }
Index: lib/Target/AMDGPU/AMDGPUSubtarget.cpp
===================================================================
--- lib/Target/AMDGPU/AMDGPUSubtarget.cpp
+++ lib/Target/AMDGPU/AMDGPUSubtarget.cpp
@@ -77,6 +77,8 @@
 
     FastFMAF32(false),
     HalfRate64Ops(false),
+    SixteenthRate64Ops(false),
+    EighthRate64Ops(false),
 
     FP16Denormals(false),
     FP32Denormals(false),
Index: lib/Target/AMDGPU/Processors.td
===================================================================
--- lib/Target/AMDGPU/Processors.td
+++ lib/Target/AMDGPU/Processors.td
@@ -105,7 +105,7 @@
 >;
 
 def : ProcessorModel<"kabini",     SIQuarterSpeedModel,
-  [FeatureISAVersion7_0_2]
+  [FeatureISAVersion7_0_3]
 >;
 
 def : ProcessorModel<"kaveri",     SIQuarterSpeedModel,
@@ -117,7 +117,8 @@
 >;
 
 def : ProcessorModel<"mullins",    SIQuarterSpeedModel,
-  [FeatureISAVersion7_0_2]>;
+  [FeatureISAVersion7_0_3]
+>;
 
 def : ProcessorModel<"gfx700",     SIQuarterSpeedModel,
   [FeatureISAVersion7_0_0]
@@ -131,6 +132,10 @@
   [FeatureISAVersion7_0_2]
 >;
 
+def : ProcessorModel<"gfx703",     SIQuarterSpeedModel,
+  [FeatureISAVersion7_0_3]
+>;
+
 //===----------------------------------------------------------------------===//
 // Volcanic Islands
 //===----------------------------------------------------------------------===//
Index: lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
===================================================================
--- lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
+++ lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
@@ -90,6 +90,9 @@
   if (Features.test(FeatureISAVersion7_0_2))
     return {7, 0, 2};
 
+  if (Features.test(FeatureISAVersion7_0_3))
+    return {7, 0, 3};
+
   if (Features.test(FeatureISAVersion8_0_0))
     return {8, 0, 0};
 
Index: test/CodeGen/AMDGPU/hsa-note-no-func.ll
===================================================================
--- test/CodeGen/AMDGPU/hsa-note-no-func.ll
+++ test/CodeGen/AMDGPU/hsa-note-no-func.ll
@@ -1,6 +1,10 @@
 ; RUN: llc < %s -mtriple=amdgcn--amdhsa -mcpu=gfx700 | FileCheck --check-prefix=HSA --check-prefix=HSA-CI700 %s
 ; RUN: llc < %s -mtriple=amdgcn--amdhsa -mcpu=gfx701 | FileCheck --check-prefix=HSA --check-prefix=HSA-CI701 %s
 ; RUN: llc < %s -mtriple=amdgcn--amdhsa -mcpu=gfx702 | FileCheck --check-prefix=HSA --check-prefix=HSA-CI702 %s
+; RUN: llc < %s -mtriple=amdgcn--amdhsa -mcpu=gfx703 | FileCheck --check-prefix=HSA --check-prefix=HSA-CI703 %s
+; RUN: llc < %s -mtriple=amdgcn--amdhsa -mcpu=mullins | FileCheck --check-prefix=HSA --check-prefix=HSA-CI703 %s
+; RUN: llc < %s -mtriple=amdgcn--amdhsa -mcpu=hawaii | FileCheck --check-prefix=HSA --check-prefix=HSA-CI701 %s
+; RUN: llc < %s -mtriple=amdgcn--amdhsa -mcpu=kabini | FileCheck --check-prefix=HSA --check-prefix=HSA-CI703 %s
 ; RUN: llc < %s -mtriple=amdgcn--amdhsa -mcpu=kaveri | FileCheck --check-prefix=HSA --check-prefix=HSA-CI700 %s
 ; RUN: llc < %s -mtriple=amdgcn--amdhsa -mcpu=carrizo | FileCheck --check-prefix=HSA --check-prefix=HSA-VI801 %s
 ; RUN: llc < %s -mtriple=amdgcn--amdhsa -mcpu=tonga | FileCheck --check-prefix=HSA --check-prefix=HSA-VI802 %s
@@ -18,6 +22,7 @@
 ; HSA-CI700: .hsa_code_object_isa 7,0,0,"AMD","AMDGPU"
 ; HSA-CI701: .hsa_code_object_isa 7,0,1,"AMD","AMDGPU"
 ; HSA-CI702: .hsa_code_object_isa 7,0,2,"AMD","AMDGPU"
+; HSA-CI703: .hsa_code_object_isa 7,0,3,"AMD","AMDGPU"
 ; HSA-VI800: .hsa_code_object_isa 8,0,0,"AMD","AMDGPU"
 ; HSA-VI801: .hsa_code_object_isa 8,0,1,"AMD","AMDGPU"
 ; HSA-VI802: .hsa_code_object_isa 8,0,2,"AMD","AMDGPU"