[llvm-branch-commits] [clang] [llvm] AMDGPU: Add first gfx950 mfma instructions (PR #116312)
Matt Arsenault via llvm-branch-commits
llvm-branch-commits at lists.llvm.org
Thu Nov 14 17:44:27 PST 2024
https://github.com/arsenm created https://github.com/llvm/llvm-project/pull/116312
Scheduling info and hazards are wrong and TBD.
>From 81f893e85b60bed1550deefaec946bf93eeba778 Mon Sep 17 00:00:00 2001
From: Matt Arsenault <Matthew.Arsenault at amd.com>
Date: Tue, 21 Nov 2023 10:03:19 +0900
Subject: [PATCH] AMDGPU: Add first gfx950 mfma instructions
Scheduling info and hazards are wrong and TBD.
---
clang/include/clang/Basic/BuiltinsAMDGPU.def | 6 +
.../CodeGenOpenCL/builtins-amdgcn-mfma.cl | 25 +-
.../builtins-amdgcn-error-gfx950-param.cl | 21 ++
.../builtins-amdgcn-error-gfx950.cl | 12 +
llvm/include/llvm/IR/IntrinsicsAMDGPU.td | 9 +
llvm/lib/Target/AMDGPU/AMDGPU.td | 4 +
.../Target/AMDGPU/AMDGPURegisterBankInfo.cpp | 4 +-
.../Target/AMDGPU/AMDGPUSearchableTables.td | 2 +
llvm/lib/Target/AMDGPU/GCNSubtarget.h | 4 +
llvm/lib/Target/AMDGPU/SIInstrInfo.td | 4 +
llvm/lib/Target/AMDGPU/VOP3PInstructions.td | 22 ++
.../UniformityAnalysis/AMDGPU/intrinsics.ll | 17 ++
.../CodeGen/AMDGPU/llvm.amdgcn.mfma.gfx950.ll | 274 ++++++++++++++++++
llvm/test/MC/AMDGPU/mai-gfx950.s | 112 +++++++
.../MC/Disassembler/AMDGPU/gfx950_mai.txt | 61 ++++
llvm/test/tools/llvm-mca/AMDGPU/gfx950.s | 18 ++
16 files changed, 592 insertions(+), 3 deletions(-)
create mode 100644 clang/test/SemaOpenCL/builtins-amdgcn-error-gfx950-param.cl
create mode 100644 clang/test/SemaOpenCL/builtins-amdgcn-error-gfx950.cl
create mode 100644 llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mfma.gfx950.ll
create mode 100644 llvm/test/MC/AMDGPU/mai-gfx950.s
create mode 100644 llvm/test/MC/Disassembler/AMDGPU/gfx950_mai.txt
create mode 100644 llvm/test/tools/llvm-mca/AMDGPU/gfx950.s
diff --git a/clang/include/clang/Basic/BuiltinsAMDGPU.def b/clang/include/clang/Basic/BuiltinsAMDGPU.def
index 61516eb2a4a723..6917d8d1aca69d 100644
--- a/clang/include/clang/Basic/BuiltinsAMDGPU.def
+++ b/clang/include/clang/Basic/BuiltinsAMDGPU.def
@@ -431,6 +431,12 @@ TARGET_BUILTIN(__builtin_amdgcn_cvt_pk_fp8_f32, "iffiIb", "nc", "fp8-conversion-
TARGET_BUILTIN(__builtin_amdgcn_cvt_sr_bf8_f32, "ifiiIi", "nc", "fp8-conversion-insts")
TARGET_BUILTIN(__builtin_amdgcn_cvt_sr_fp8_f32, "ifiiIi", "nc", "fp8-conversion-insts")
+//===----------------------------------------------------------------------===//
+// GFX950 only builtins.
+//===----------------------------------------------------------------------===//
+TARGET_BUILTIN(__builtin_amdgcn_mfma_f32_16x16x32_f16, "V4fV8hV8hV4fIiIiIi", "nc", "gfx950-insts")
+TARGET_BUILTIN(__builtin_amdgcn_mfma_f32_32x32x16_f16, "V16fV8hV8hV16fIiIiIi", "nc", "gfx950-insts")
+
//===----------------------------------------------------------------------===//
// GFX12+ only builtins.
//===----------------------------------------------------------------------===//
diff --git a/clang/test/CodeGenOpenCL/builtins-amdgcn-mfma.cl b/clang/test/CodeGenOpenCL/builtins-amdgcn-mfma.cl
index dcdeee6b6acc40..a644a60f9ec381 100644
--- a/clang/test/CodeGenOpenCL/builtins-amdgcn-mfma.cl
+++ b/clang/test/CodeGenOpenCL/builtins-amdgcn-mfma.cl
@@ -2,6 +2,7 @@
// RUN: %clang_cc1 -triple amdgcn-unknown-unknown -target-cpu gfx908 -DMFMA_GFX908_TESTS -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-GFX908
// RUN: %clang_cc1 -triple amdgcn-unknown-unknown -target-cpu gfx90a -DMFMA_GFX90A_TESTS -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-GFX90A
// RUN: %clang_cc1 -triple amdgcn-unknown-unknown -target-cpu gfx940 -DMFMA_GFX940_TESTS -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-GFX940
+// RUN: %clang_cc1 -triple amdgcn-unknown-unknown -target-cpu gfx950 -DMFMA_GFX950_TESTS -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-GFX950
#pragma OPENCL EXTENSION cl_khr_fp64:enable
@@ -222,7 +223,7 @@ void test_mfma_f64_4x4x4f64(global double* out, double a, double b, double c)
#endif // MFMA_GFX90A_TESTS
-#ifdef MFMA_GFX940_TESTS
+#if defined(MFMA_GFX940_TESTS) || defined(MFMA_GFX950_TESTS)
// CHECK-GFX940-LABEL: @test_mfma_i32_16x16x32_i8
// CHECK-GFX940: call <4 x i32> @llvm.amdgcn.mfma.i32.16x16x32.i8(i64 %a, i64 %b, <4 x i32> %c, i32 0, i32 0, i32 0)
void test_mfma_i32_16x16x32_i8(global v4i* out, long a, long b, v4i c)
@@ -404,4 +405,24 @@ void test_smfmac_f32_32x32x32_fp8_fp8(global v16f* out, v2i a, v4i b, v16f c, in
{
*out = __builtin_amdgcn_smfmac_f32_32x32x32_fp8_fp8(a, b, c, idx, 0, 0);
}
-#endif // MFMA_GFX940_TESTS
+#endif // defined(MFMA_GFX940_TESTS) || defined(MFMA_GFX950_TESTS)
+
+#ifdef MFMA_GFX950_TESTS
+
+// CHECK-GFX950-LABEL: @test_mfma_f32_16x16x32_f16(
+// CHECK-GFX950: tail call <4 x float> @llvm.amdgcn.mfma.f32.16x16x32.f16(<8 x half> %a, <8 x half> %b, <4 x float> %c, i32 1, i32 2, i32 3)
+
+v4f test_mfma_f32_16x16x32_f16(v8h a, v8h b, v4f c)
+{
+ return __builtin_amdgcn_mfma_f32_16x16x32_f16(a, b, c, 1, 2, 3);
+}
+
+// CHECK-GFX950-LABEL: @test_mfma_f32_32x32x16_f16
+// CHECK-GFX950: tail call <16 x float> @llvm.amdgcn.mfma.f32.32x32x16.f16(<8 x half> %a, <8 x half> %b, <16 x float> %c, i32 1, i32 2, i32 3)
+v16f test_mfma_f32_32x32x16_f16(v8h a, v8h b, v16f c)
+{
+ return __builtin_amdgcn_mfma_f32_32x32x16_f16(a, b, c, 1, 2, 3);
+}
+
+
+#endif
diff --git a/clang/test/SemaOpenCL/builtins-amdgcn-error-gfx950-param.cl b/clang/test/SemaOpenCL/builtins-amdgcn-error-gfx950-param.cl
new file mode 100644
index 00000000000000..4c267e2cac5cad
--- /dev/null
+++ b/clang/test/SemaOpenCL/builtins-amdgcn-error-gfx950-param.cl
@@ -0,0 +1,21 @@
+// REQUIRES: amdgpu-registered-target
+// RUN: %clang_cc1 -triple amdgcn-- -target-cpu gfx950 -verify -S -o - %s
+
+typedef float float4 __attribute__((ext_vector_type(4)));
+typedef float float16 __attribute__((ext_vector_type(16)));
+typedef half half8 __attribute__((ext_vector_type(8)));
+
+
+void test_mfma_f32_16x16x32_f16(__global float4* out, half8 a, half8 b, float4 c, int X) {
+
+ *out = __builtin_amdgcn_mfma_f32_16x16x32_f16(a, b, c, X, 0, 0); // expected-error{{argument to '__builtin_amdgcn_mfma_f32_16x16x32_f16' must be a constant integer}}
+ *out = __builtin_amdgcn_mfma_f32_16x16x32_f16(a, b, c, 0, X, 0); // expected-error{{argument to '__builtin_amdgcn_mfma_f32_16x16x32_f16' must be a constant integer}}
+ *out = __builtin_amdgcn_mfma_f32_16x16x32_f16(a, b, c, 0, 0, X); // expected-error{{argument to '__builtin_amdgcn_mfma_f32_16x16x32_f16' must be a constant integer}}
+}
+
+
+void test_mfma_f32_32x32x16_f16(__global float16* out, half8 a, half8 b, float16 c, int X) {
+ *out = __builtin_amdgcn_mfma_f32_32x32x16_f16(a, b, c, X, 0, 0); // expected-error{{argument to '__builtin_amdgcn_mfma_f32_32x32x16_f16' must be a constant integer}}
+ *out = __builtin_amdgcn_mfma_f32_32x32x16_f16(a, b, c, 0, X, 0); // expected-error{{argument to '__builtin_amdgcn_mfma_f32_32x32x16_f16' must be a constant integer}}
+ *out = __builtin_amdgcn_mfma_f32_32x32x16_f16(a, b, c, 0, 0, X); // expected-error{{argument to '__builtin_amdgcn_mfma_f32_32x32x16_f16' must be a constant integer}}
+}
diff --git a/clang/test/SemaOpenCL/builtins-amdgcn-error-gfx950.cl b/clang/test/SemaOpenCL/builtins-amdgcn-error-gfx950.cl
new file mode 100644
index 00000000000000..0b3a8e78e1c795
--- /dev/null
+++ b/clang/test/SemaOpenCL/builtins-amdgcn-error-gfx950.cl
@@ -0,0 +1,12 @@
+// REQUIRES: amdgpu-registered-target
+// RUN: %clang_cc1 -triple amdgcn-- -target-cpu gfx940 -verify -S -o - %s
+
+typedef float float4 __attribute__((ext_vector_type(4)));
+typedef float float16 __attribute__((ext_vector_type(16)));
+typedef half half8 __attribute__((ext_vector_type(8)));
+
+void test(__global float4* out0, half8 a0, half8 b0, float4 c0,
+ __global float16* out1, half8 a1, half8 b1, float16 c1) {
+ *out0 = __builtin_amdgcn_mfma_f32_16x16x32_f16(a0, b0, c0, 0, 0, 0); // expected-error{{'__builtin_amdgcn_mfma_f32_16x16x32_f16' needs target feature gfx950-insts}}
+ *out1 = __builtin_amdgcn_mfma_f32_32x32x16_f16(a1, b1, c1, 0, 0, 0); // expected-error{{'__builtin_amdgcn_mfma_f32_32x32x16_f16' needs target feature gfx950-insts}}
+}
diff --git a/llvm/include/llvm/IR/IntrinsicsAMDGPU.td b/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
index ed73f0a69e6130..ec1234e7bc7d94 100644
--- a/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
+++ b/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
@@ -3110,6 +3110,15 @@ def int_amdgcn_cvt_sr_fp8_f32 : ClangBuiltin<"__builtin_amdgcn_cvt_sr_fp8_f32">,
[llvm_float_ty, llvm_i32_ty, llvm_i32_ty, llvm_i32_ty],
[IntrNoMem, ImmArg<ArgIndex<3>>]>;
+//===----------------------------------------------------------------------===//
+// gfx950 intrinsics
+//===----------------------------------------------------------------------===//
+
+defset list<Intrinsic> AMDGPUMFMAIntrinsics950 = {
+def int_amdgcn_mfma_f32_16x16x32_f16 : AMDGPUMfmaIntrinsic<llvm_v4f32_ty, llvm_v8f16_ty>;
+def int_amdgcn_mfma_f32_32x32x16_f16 : AMDGPUMfmaIntrinsic<llvm_v16f32_ty, llvm_v8f16_ty>;
+}
+
//===----------------------------------------------------------------------===//
// Special Intrinsics for backend internal use only. No frontend
// should emit calls to these.
diff --git a/llvm/lib/Target/AMDGPU/AMDGPU.td b/llvm/lib/Target/AMDGPU/AMDGPU.td
index d722cede255174..2bad54020a2c38 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPU.td
+++ b/llvm/lib/Target/AMDGPU/AMDGPU.td
@@ -1977,6 +1977,10 @@ def isNotGFX940Plus :
Predicate<"!Subtarget->hasGFX940Insts()">,
AssemblerPredicate<(all_of (not FeatureGFX940Insts))>;
+def HasGFX950Insts :
+ Predicate<"Subtarget->hasGFX950Insts()">,
+ AssemblerPredicate<(all_of FeatureGFX950Insts)>;
+
def isGFX8GFX9NotGFX940 :
Predicate<"!Subtarget->hasGFX940Insts() &&"
"(Subtarget->getGeneration() == AMDGPUSubtarget::VOLCANIC_ISLANDS ||"
diff --git a/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
index 03e57db9c11ce5..b648b68f3bd2b0 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
@@ -4747,7 +4747,9 @@ AMDGPURegisterBankInfo::getInstrMapping(const MachineInstr &MI) const {
case Intrinsic::amdgcn_mfma_f32_32x32x16_bf8_bf8:
case Intrinsic::amdgcn_mfma_f32_32x32x16_bf8_fp8:
case Intrinsic::amdgcn_mfma_f32_32x32x16_fp8_bf8:
- case Intrinsic::amdgcn_mfma_f32_32x32x16_fp8_fp8: {
+ case Intrinsic::amdgcn_mfma_f32_32x32x16_fp8_fp8:
+ case Intrinsic::amdgcn_mfma_f32_16x16x32_f16:
+ case Intrinsic::amdgcn_mfma_f32_32x32x16_f16: {
// Default for MAI intrinsics.
// srcC can also be an immediate which can be folded later.
// FIXME: Should we eventually add an alternative mapping with AGPR src
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUSearchableTables.td b/llvm/lib/Target/AMDGPU/AMDGPUSearchableTables.td
index 60fa2adc62dc8c..2ea254e64b8cb8 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUSearchableTables.td
+++ b/llvm/lib/Target/AMDGPU/AMDGPUSearchableTables.td
@@ -333,6 +333,8 @@ foreach intr = AMDGPUMFMAIntrinsics90A in
def : SourceOfDivergence<intr>;
foreach intr = AMDGPUMFMAIntrinsics940 in
def : SourceOfDivergence<intr>;
+foreach intr = AMDGPUMFMAIntrinsics950 in
+def : SourceOfDivergence<intr>;
foreach intr = AMDGPUWMMAIntrinsicsGFX11 in
def : SourceOfDivergence<intr>;
foreach intr = AMDGPUWMMAIntrinsicsGFX12 in
diff --git a/llvm/lib/Target/AMDGPU/GCNSubtarget.h b/llvm/lib/Target/AMDGPU/GCNSubtarget.h
index e722e046092fda..4a6efe533230b1 100644
--- a/llvm/lib/Target/AMDGPU/GCNSubtarget.h
+++ b/llvm/lib/Target/AMDGPU/GCNSubtarget.h
@@ -1285,6 +1285,10 @@ class GCNSubtarget final : public AMDGPUGenSubtargetInfo,
// hasGFX90AInsts is also true.
bool hasGFX940Insts() const { return GFX940Insts; }
+ // GFX950 is a derivation to GFX940. hasGFX950Insts() implies that
+ // hasGFX940Insts and hasGFX90AInsts are also true.
+ bool hasGFX950Insts() const { return GFX950Insts; }
+
bool hasSALUFloatInsts() const { return HasSALUFloatInsts; }
bool hasPseudoScalarTrans() const { return HasPseudoScalarTrans; }
diff --git a/llvm/lib/Target/AMDGPU/SIInstrInfo.td b/llvm/lib/Target/AMDGPU/SIInstrInfo.td
index 71bd5ece32bc48..882e147dc231fa 100644
--- a/llvm/lib/Target/AMDGPU/SIInstrInfo.td
+++ b/llvm/lib/Target/AMDGPU/SIInstrInfo.td
@@ -2845,6 +2845,10 @@ def VOP_V16I32_V2I32_V4I32_I32 : VOPProfile <[v16i32, v2i32, v4i32, i32]>;
def VOP_V4F32_V2I32_V4I32_I32 : VOPProfile <[v4f32, v2i32, v4i32, i32]>;
def VOP_V16F32_V2I32_V4I32_I32 : VOPProfile <[v16f32, v2i32, v4i32, i32]>;
+def VOP_V4F32_V8F16_V8F16_V4F32 : VOPProfile <[v4f32, v8f16, v8f16, v4f32]>;
+def VOP_V16F32_V8F16_V8F16_V16F32 : VOPProfile <[v16f32, v8f16, v8f16, v16f32]>;
+
+
class Commutable_REV <string revOp, bit isOrig> {
string RevOp = revOp;
bit IsOrig = isOrig;
diff --git a/llvm/lib/Target/AMDGPU/VOP3PInstructions.td b/llvm/lib/Target/AMDGPU/VOP3PInstructions.td
index e246d433401f94..58e26a96ece202 100644
--- a/llvm/lib/Target/AMDGPU/VOP3PInstructions.td
+++ b/llvm/lib/Target/AMDGPU/VOP3PInstructions.td
@@ -626,6 +626,11 @@ def VOPProfileSMFMAC_I32_32X32X32_I8 : VOPProfileSMFMAC<VOP_V16I32_V2I32_V4I32_
def VOPProfileSMFMAC_F32_16X16X64_F8 : VOPProfileSMFMAC<VOP_V4F32_V2I32_V4I32_I32, AVDst_128, AVSrc_64, AVSrc_128>;
def VOPProfileSMFMAC_F32_32X32X32_F8 : VOPProfileSMFMAC<VOP_V16F32_V2I32_V4I32_I32, AVDst_512, AVSrc_64, AVSrc_128>;
+def VOPProfileMAI_F32_V8F16_X32 : VOPProfileMAI<VOP_V4F32_V8F16_V8F16_V4F32, AISrc_128_f32, ADst_128, AVSrc_128>;
+def VOPProfileMAI_F32_V8F16_X32_VCD : VOPProfileMAI<VOP_V4F32_V8F16_V8F16_V4F32, VISrc_128_f32, VDst_128, AVSrc_128>;
+def VOPProfileMAI_F32_V8F16_X16 : VOPProfileMAI<VOP_V16F32_V8F16_V8F16_V16F32, AISrc_512_f32, ADst_512, AVSrc_128>;
+def VOPProfileMAI_F32_V8F16_X16_VCD : VOPProfileMAI<VOP_V16F32_V8F16_V8F16_V16F32, VISrc_512_f32, VDst_512, AVSrc_128>;
+
class MFMATable <bit is_mac, string Name> {
bit IsMac = is_mac;
string FMAOp = Name;
@@ -739,6 +744,11 @@ defm V_MFMA_F32_32X32X4BF16 : MAIInst<"v_mfma_f32_32x32x4bf16", "F32_V2I16_X16",
} // End SubtargetPredicate = HasMAIInsts
+let SubtargetPredicate = HasGFX950Insts, is_gfx940_xdl = 1 in {
+defm V_MFMA_F32_16X16X32_F16 : MAIInst<"v_mfma_f32_16x16x32f16", "F32_V8F16_X32", int_amdgcn_mfma_f32_16x16x32_f16>;
+defm V_MFMA_F32_32X32X16_F16 : MAIInst<"v_mfma_f32_32x32x16f16", "F32_V8F16_X16", int_amdgcn_mfma_f32_32x32x16_f16>;
+}
+
let Predicates = [isGFX90APlus] in {
let is_gfx940_xdl = 1 in {
defm V_MFMA_F32_32X32X4BF16_1K : MAIInst<"v_mfma_f32_32x32x4bf16_1k", "F32_V4I16_X32", int_amdgcn_mfma_f32_32x32x4bf16_1k>;
@@ -1650,6 +1660,16 @@ multiclass VOP3P_Real_MFMA_gfx940<bits<7> op, string Name = !cast<VOP3_Pseudo>(N
}
}
+multiclass VOP3P_Real_MFMA_gfx950<bits<7> op, string Name = !cast<VOP3_Pseudo>(NAME#"_e64").Mnemonic,
+ VOP3_Pseudo PS_ACD = !cast<VOP3_Pseudo>(NAME # "_e64"),
+ VOP3_Pseudo PS_VCD = !cast<VOP3_Pseudo>(NAME # "_vgprcd" # "_e64")> {
+ let SubtargetPredicate = HasGFX950Insts,
+ AssemblerPredicate = HasGFX950Insts in {
+ defm "" : VOP3P_Real_MFMA_gfx940<op, Name, PS_ACD, PS_VCD>;
+ }
+}
+
+
multiclass VOP3P_Real_MFMA_vi<bits<7> op> {
def _vi : VOP3P_Real<!cast<VOP3_Pseudo>(NAME#"_e64"), SIEncodingFamily.VI>,
VOP3Pe_MAI <op, !cast<VOP3_Pseudo>(NAME#"_e64").Pfl, ?> {
@@ -1764,6 +1784,8 @@ defm V_MFMA_F32_16X16X16BF16_1K : VOP3P_Real_MFMA_gfx90a <0x67>;
defm V_MFMA_F64_16X16X4F64 : VOP3P_Real_MFMA_gfx90a <0x6e>;
defm V_MFMA_F64_4X4X4F64 : VOP3P_Real_MFMA_gfx90a <0x6f>;
+defm V_MFMA_F32_16X16X32_F16 : VOP3P_Real_MFMA_gfx950 <0x54, "v_mfma_f32_16x16x32_f16">;
+defm V_MFMA_F32_32X32X16_F16 : VOP3P_Real_MFMA_gfx950 <0x55, "v_mfma_f32_32x32x16_f16">;
defm V_MFMA_I32_32X32X16I8 : VOP3P_Real_MFMA_gfx940 <0x56, "v_mfma_i32_32x32x16_i8">;
defm V_MFMA_I32_16X16X32I8 : VOP3P_Real_MFMA_gfx940 <0x57, "v_mfma_i32_16x16x32_i8">;
let SubtargetPredicate = HasXF32Insts in {
diff --git a/llvm/test/Analysis/UniformityAnalysis/AMDGPU/intrinsics.ll b/llvm/test/Analysis/UniformityAnalysis/AMDGPU/intrinsics.ll
index b215fc2c2ae746..c457d867af361e 100644
--- a/llvm/test/Analysis/UniformityAnalysis/AMDGPU/intrinsics.ll
+++ b/llvm/test/Analysis/UniformityAnalysis/AMDGPU/intrinsics.ll
@@ -261,6 +261,23 @@ bb:
ret void
}
+declare <4 x float> @llvm.amdgcn.mfma.f32.16x16x32.f16(<8 x half>, <8 x half>, <4 x float>, i32 immarg, i32 immarg, i32 immarg)
+declare <16 x float> @llvm.amdgcn.mfma.f32.32x32x16.f16(<8 x half>, <8 x half>, <16 x float>, i32 immarg, i32 immarg, i32 immarg)
+
+; CHECK: DIVERGENT: %result = call <4 x float> @llvm.amdgcn.mfma.f32.16x16x32.f16(<8 x half> %arg0, <8 x half> %arg1, <4 x float> %arg2, i32 immarg 0, i32 immarg 0, i32 immarg 0)
+define amdgpu_kernel void @mfma_f32_16x16x32_f16(<8 x half> %arg0, <8 x half> %arg1, <4 x float> %arg2, ptr addrspace(1) %out) {
+ %result = call <4 x float> @llvm.amdgcn.mfma.f32.16x16x32.f16(<8 x half> %arg0, <8 x half> %arg1, <4 x float> %arg2, i32 immarg 0, i32 immarg 0, i32 immarg 0)
+ store <4 x float> %result, ptr addrspace(1) %out
+ ret void
+}
+
+; CHECK: DIVERGENT: %result = call <16 x float> @llvm.amdgcn.mfma.f32.32x32x16.f16(<8 x half> %arg0, <8 x half> %arg1, <16 x float> %arg2, i32 immarg 0, i32 immarg 0, i32 immarg 0)
+define amdgpu_kernel void @mfma_f32_32x32x16_f16(<8 x half> %arg0, <8 x half> %arg1, <16 x float> %arg2, ptr addrspace(1) %out) {
+ %result = call <16 x float> @llvm.amdgcn.mfma.f32.32x32x16.f16(<8 x half> %arg0, <8 x half> %arg1, <16 x float> %arg2, i32 immarg 0, i32 immarg 0, i32 immarg 0)
+ store <16 x float> %result, ptr addrspace(1) %out
+ ret void
+}
+
declare i32 @llvm.amdgcn.ds.swizzle(i32, i32) #1
declare i32 @llvm.amdgcn.permlane16.i32(i32, i32, i32, i32, i1, i1) #1
declare i32 @llvm.amdgcn.permlanex16.i32(i32, i32, i32, i32, i1, i1) #1
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mfma.gfx950.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mfma.gfx950.ll
new file mode 100644
index 00000000000000..88d04e9fb428a2
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mfma.gfx950.ll
@@ -0,0 +1,274 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
+; RUN: llc -march=amdgcn -mcpu=gfx950 -global-isel=0 < %s | FileCheck -enable-var-scope --check-prefix=GCN %s
+; RUN: llc -march=amdgcn -mcpu=gfx950 -global-isel=1 < %s | FileCheck -enable-var-scope --check-prefix=GCN %s
+
+declare <4 x float> @llvm.amdgcn.mfma.f32.16x16x32.f16(<8 x half>, <8 x half>, <4 x float>, i32 immarg, i32 immarg, i32 immarg)
+declare <16 x float> @llvm.amdgcn.mfma.f32.32x32x16.f16(<8 x half>, <8 x half>, <16 x float>, i32 immarg, i32 immarg, i32 immarg)
+
+; --------------------------------------------------------------------
+; llvm.amdgcn.mfma.f32.16x16x32.f16
+; --------------------------------------------------------------------
+
+define <4 x float> @test_mfma_f32_16x16x32_f16(<8 x half> %arg0, <8 x half> %arg1, <4 x float> %arg2) {
+; GCN-LABEL: test_mfma_f32_16x16x32_f16:
+; GCN: ; %bb.0:
+; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GCN-NEXT: v_accvgpr_write_b32 a0, v8
+; GCN-NEXT: v_accvgpr_write_b32 a1, v9
+; GCN-NEXT: v_accvgpr_write_b32 a2, v10
+; GCN-NEXT: v_accvgpr_write_b32 a3, v11
+; GCN-NEXT: s_nop 1
+; GCN-NEXT: v_mfma_f32_16x16x32_f16 a[0:3], v[0:3], v[4:7], a[0:3]
+; GCN-NEXT: s_nop 6
+; GCN-NEXT: v_accvgpr_read_b32 v0, a0
+; GCN-NEXT: v_accvgpr_read_b32 v1, a1
+; GCN-NEXT: v_accvgpr_read_b32 v2, a2
+; GCN-NEXT: v_accvgpr_read_b32 v3, a3
+; GCN-NEXT: s_setpc_b64 s[30:31]
+ %result = call <4 x float> @llvm.amdgcn.mfma.f32.16x16x32.f16(<8 x half> %arg0, <8 x half> %arg1, <4 x float> %arg2, i32 0, i32 0, i32 0)
+ ret <4 x float> %result
+}
+
+define <4 x float> @test_mfma_f32_16x16x32_f16__flags(<8 x half> %arg0, <8 x half> %arg1, <4 x float> %arg2) {
+; GCN-LABEL: test_mfma_f32_16x16x32_f16__flags:
+; GCN: ; %bb.0:
+; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GCN-NEXT: v_accvgpr_write_b32 a0, v8
+; GCN-NEXT: v_accvgpr_write_b32 a1, v9
+; GCN-NEXT: v_accvgpr_write_b32 a2, v10
+; GCN-NEXT: v_accvgpr_write_b32 a3, v11
+; GCN-NEXT: s_nop 1
+; GCN-NEXT: v_mfma_f32_16x16x32_f16 a[0:3], v[0:3], v[4:7], a[0:3] cbsz:1 abid:1 blgp:1
+; GCN-NEXT: s_nop 6
+; GCN-NEXT: v_accvgpr_read_b32 v0, a0
+; GCN-NEXT: v_accvgpr_read_b32 v1, a1
+; GCN-NEXT: v_accvgpr_read_b32 v2, a2
+; GCN-NEXT: v_accvgpr_read_b32 v3, a3
+; GCN-NEXT: s_setpc_b64 s[30:31]
+ %result = call <4 x float> @llvm.amdgcn.mfma.f32.16x16x32.f16(<8 x half> %arg0, <8 x half> %arg1, <4 x float> %arg2, i32 1, i32 1, i32 1)
+ ret <4 x float> %result
+}
+
+define <4 x float> @test_mfma_f32_16x16x32_f16__mac(<4 x float> %arg2, <8 x half> %arg0, <8 x half> %arg1) {
+; GCN-LABEL: test_mfma_f32_16x16x32_f16__mac:
+; GCN: ; %bb.0:
+; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GCN-NEXT: v_accvgpr_write_b32 a0, v0
+; GCN-NEXT: v_accvgpr_write_b32 a1, v1
+; GCN-NEXT: v_accvgpr_write_b32 a2, v2
+; GCN-NEXT: v_accvgpr_write_b32 a3, v3
+; GCN-NEXT: s_nop 1
+; GCN-NEXT: v_mfma_f32_16x16x32_f16 a[0:3], v[4:7], v[8:11], a[0:3]
+; GCN-NEXT: s_nop 6
+; GCN-NEXT: v_accvgpr_read_b32 v0, a0
+; GCN-NEXT: v_accvgpr_read_b32 v1, a1
+; GCN-NEXT: v_accvgpr_read_b32 v2, a2
+; GCN-NEXT: v_accvgpr_read_b32 v3, a3
+; GCN-NEXT: s_setpc_b64 s[30:31]
+ %result = call <4 x float> @llvm.amdgcn.mfma.f32.16x16x32.f16(<8 x half> %arg0, <8 x half> %arg1, <4 x float> %arg2, i32 0, i32 0, i32 0)
+ ret <4 x float> %result
+}
+
+define <4 x float> @test_mfma_f32_16x16x32_f16___flags__mac(<4 x float> %arg2, <8 x half> %arg0, <8 x half> %arg1) {
+; GCN-LABEL: test_mfma_f32_16x16x32_f16___flags__mac:
+; GCN: ; %bb.0:
+; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GCN-NEXT: v_accvgpr_write_b32 a0, v0
+; GCN-NEXT: v_accvgpr_write_b32 a1, v1
+; GCN-NEXT: v_accvgpr_write_b32 a2, v2
+; GCN-NEXT: v_accvgpr_write_b32 a3, v3
+; GCN-NEXT: s_nop 1
+; GCN-NEXT: v_mfma_f32_16x16x32_f16 a[0:3], v[4:7], v[8:11], a[0:3] cbsz:1 abid:1 blgp:1
+; GCN-NEXT: s_nop 6
+; GCN-NEXT: v_accvgpr_read_b32 v0, a0
+; GCN-NEXT: v_accvgpr_read_b32 v1, a1
+; GCN-NEXT: v_accvgpr_read_b32 v2, a2
+; GCN-NEXT: v_accvgpr_read_b32 v3, a3
+; GCN-NEXT: s_setpc_b64 s[30:31]
+ %result = call <4 x float> @llvm.amdgcn.mfma.f32.16x16x32.f16(<8 x half> %arg0, <8 x half> %arg1, <4 x float> %arg2, i32 1, i32 1, i32 1)
+ ret <4 x float> %result
+}
+
+; --------------------------------------------------------------------
+; llvm.amdgcn.mfma.f32.32x32x16.f16
+; --------------------------------------------------------------------
+
+define <16 x float> @test_mfma_f32_32x32x16_f16(<8 x half> %arg0, <8 x half> %arg1, <16 x float> %arg2) {
+; GCN-LABEL: test_mfma_f32_32x32x16_f16:
+; GCN: ; %bb.0:
+; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GCN-NEXT: v_accvgpr_write_b32 a0, v8
+; GCN-NEXT: v_accvgpr_write_b32 a1, v9
+; GCN-NEXT: v_accvgpr_write_b32 a2, v10
+; GCN-NEXT: v_accvgpr_write_b32 a3, v11
+; GCN-NEXT: v_accvgpr_write_b32 a4, v12
+; GCN-NEXT: v_accvgpr_write_b32 a5, v13
+; GCN-NEXT: v_accvgpr_write_b32 a6, v14
+; GCN-NEXT: v_accvgpr_write_b32 a7, v15
+; GCN-NEXT: v_accvgpr_write_b32 a8, v16
+; GCN-NEXT: v_accvgpr_write_b32 a9, v17
+; GCN-NEXT: v_accvgpr_write_b32 a10, v18
+; GCN-NEXT: v_accvgpr_write_b32 a11, v19
+; GCN-NEXT: v_accvgpr_write_b32 a12, v20
+; GCN-NEXT: v_accvgpr_write_b32 a13, v21
+; GCN-NEXT: v_accvgpr_write_b32 a14, v22
+; GCN-NEXT: v_accvgpr_write_b32 a15, v23
+; GCN-NEXT: s_nop 1
+; GCN-NEXT: v_mfma_f32_32x32x16_f16 a[0:15], v[0:3], v[4:7], a[0:15]
+; GCN-NEXT: s_nop 7
+; GCN-NEXT: s_nop 2
+; GCN-NEXT: v_accvgpr_read_b32 v0, a0
+; GCN-NEXT: v_accvgpr_read_b32 v1, a1
+; GCN-NEXT: v_accvgpr_read_b32 v2, a2
+; GCN-NEXT: v_accvgpr_read_b32 v3, a3
+; GCN-NEXT: v_accvgpr_read_b32 v4, a4
+; GCN-NEXT: v_accvgpr_read_b32 v5, a5
+; GCN-NEXT: v_accvgpr_read_b32 v6, a6
+; GCN-NEXT: v_accvgpr_read_b32 v7, a7
+; GCN-NEXT: v_accvgpr_read_b32 v8, a8
+; GCN-NEXT: v_accvgpr_read_b32 v9, a9
+; GCN-NEXT: v_accvgpr_read_b32 v10, a10
+; GCN-NEXT: v_accvgpr_read_b32 v11, a11
+; GCN-NEXT: v_accvgpr_read_b32 v12, a12
+; GCN-NEXT: v_accvgpr_read_b32 v13, a13
+; GCN-NEXT: v_accvgpr_read_b32 v14, a14
+; GCN-NEXT: v_accvgpr_read_b32 v15, a15
+; GCN-NEXT: s_setpc_b64 s[30:31]
+ %result = call <16 x float> @llvm.amdgcn.mfma.f32.32x32x16.f16(<8 x half> %arg0, <8 x half> %arg1, <16 x float> %arg2, i32 0, i32 0, i32 0)
+ ret <16 x float> %result
+}
+
+define <16 x float> @test_mfma_f32_32x32x16_f16__flags(<8 x half> %arg0, <8 x half> %arg1, <16 x float> %arg2) {
+; GCN-LABEL: test_mfma_f32_32x32x16_f16__flags:
+; GCN: ; %bb.0:
+; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GCN-NEXT: v_accvgpr_write_b32 a0, v8
+; GCN-NEXT: v_accvgpr_write_b32 a1, v9
+; GCN-NEXT: v_accvgpr_write_b32 a2, v10
+; GCN-NEXT: v_accvgpr_write_b32 a3, v11
+; GCN-NEXT: v_accvgpr_write_b32 a4, v12
+; GCN-NEXT: v_accvgpr_write_b32 a5, v13
+; GCN-NEXT: v_accvgpr_write_b32 a6, v14
+; GCN-NEXT: v_accvgpr_write_b32 a7, v15
+; GCN-NEXT: v_accvgpr_write_b32 a8, v16
+; GCN-NEXT: v_accvgpr_write_b32 a9, v17
+; GCN-NEXT: v_accvgpr_write_b32 a10, v18
+; GCN-NEXT: v_accvgpr_write_b32 a11, v19
+; GCN-NEXT: v_accvgpr_write_b32 a12, v20
+; GCN-NEXT: v_accvgpr_write_b32 a13, v21
+; GCN-NEXT: v_accvgpr_write_b32 a14, v22
+; GCN-NEXT: v_accvgpr_write_b32 a15, v23
+; GCN-NEXT: s_nop 1
+; GCN-NEXT: v_mfma_f32_32x32x16_f16 a[0:15], v[0:3], v[4:7], a[0:15] cbsz:1 abid:1 blgp:1
+; GCN-NEXT: s_nop 7
+; GCN-NEXT: s_nop 2
+; GCN-NEXT: v_accvgpr_read_b32 v0, a0
+; GCN-NEXT: v_accvgpr_read_b32 v1, a1
+; GCN-NEXT: v_accvgpr_read_b32 v2, a2
+; GCN-NEXT: v_accvgpr_read_b32 v3, a3
+; GCN-NEXT: v_accvgpr_read_b32 v4, a4
+; GCN-NEXT: v_accvgpr_read_b32 v5, a5
+; GCN-NEXT: v_accvgpr_read_b32 v6, a6
+; GCN-NEXT: v_accvgpr_read_b32 v7, a7
+; GCN-NEXT: v_accvgpr_read_b32 v8, a8
+; GCN-NEXT: v_accvgpr_read_b32 v9, a9
+; GCN-NEXT: v_accvgpr_read_b32 v10, a10
+; GCN-NEXT: v_accvgpr_read_b32 v11, a11
+; GCN-NEXT: v_accvgpr_read_b32 v12, a12
+; GCN-NEXT: v_accvgpr_read_b32 v13, a13
+; GCN-NEXT: v_accvgpr_read_b32 v14, a14
+; GCN-NEXT: v_accvgpr_read_b32 v15, a15
+; GCN-NEXT: s_setpc_b64 s[30:31]
+ %result = call <16 x float> @llvm.amdgcn.mfma.f32.32x32x16.f16(<8 x half> %arg0, <8 x half> %arg1, <16 x float> %arg2, i32 1, i32 1, i32 1)
+ ret <16 x float> %result
+}
+
+define <16 x float> @test_mfma_f32_32x32x16_f16__mac(<16 x float> %arg2, <8 x half> %arg0, <8 x half> %arg1) {
+; GCN-LABEL: test_mfma_f32_32x32x16_f16__mac:
+; GCN: ; %bb.0:
+; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GCN-NEXT: v_accvgpr_write_b32 a0, v0
+; GCN-NEXT: v_accvgpr_write_b32 a1, v1
+; GCN-NEXT: v_accvgpr_write_b32 a2, v2
+; GCN-NEXT: v_accvgpr_write_b32 a3, v3
+; GCN-NEXT: v_accvgpr_write_b32 a4, v4
+; GCN-NEXT: v_accvgpr_write_b32 a5, v5
+; GCN-NEXT: v_accvgpr_write_b32 a6, v6
+; GCN-NEXT: v_accvgpr_write_b32 a7, v7
+; GCN-NEXT: v_accvgpr_write_b32 a8, v8
+; GCN-NEXT: v_accvgpr_write_b32 a9, v9
+; GCN-NEXT: v_accvgpr_write_b32 a10, v10
+; GCN-NEXT: v_accvgpr_write_b32 a11, v11
+; GCN-NEXT: v_accvgpr_write_b32 a12, v12
+; GCN-NEXT: v_accvgpr_write_b32 a13, v13
+; GCN-NEXT: v_accvgpr_write_b32 a14, v14
+; GCN-NEXT: v_accvgpr_write_b32 a15, v15
+; GCN-NEXT: s_nop 1
+; GCN-NEXT: v_mfma_f32_32x32x16_f16 a[0:15], v[16:19], v[20:23], a[0:15]
+; GCN-NEXT: s_nop 7
+; GCN-NEXT: s_nop 2
+; GCN-NEXT: v_accvgpr_read_b32 v0, a0
+; GCN-NEXT: v_accvgpr_read_b32 v1, a1
+; GCN-NEXT: v_accvgpr_read_b32 v2, a2
+; GCN-NEXT: v_accvgpr_read_b32 v3, a3
+; GCN-NEXT: v_accvgpr_read_b32 v4, a4
+; GCN-NEXT: v_accvgpr_read_b32 v5, a5
+; GCN-NEXT: v_accvgpr_read_b32 v6, a6
+; GCN-NEXT: v_accvgpr_read_b32 v7, a7
+; GCN-NEXT: v_accvgpr_read_b32 v8, a8
+; GCN-NEXT: v_accvgpr_read_b32 v9, a9
+; GCN-NEXT: v_accvgpr_read_b32 v10, a10
+; GCN-NEXT: v_accvgpr_read_b32 v11, a11
+; GCN-NEXT: v_accvgpr_read_b32 v12, a12
+; GCN-NEXT: v_accvgpr_read_b32 v13, a13
+; GCN-NEXT: v_accvgpr_read_b32 v14, a14
+; GCN-NEXT: v_accvgpr_read_b32 v15, a15
+; GCN-NEXT: s_setpc_b64 s[30:31]
+ %result = call <16 x float> @llvm.amdgcn.mfma.f32.32x32x16.f16(<8 x half> %arg0, <8 x half> %arg1, <16 x float> %arg2, i32 0, i32 0, i32 0)
+ ret <16 x float> %result
+}
+
+define <16 x float> @test_mfma_f32_32x32x16_f16__flags__mac(<16 x float> %arg2, <8 x half> %arg0, <8 x half> %arg1) {
+; GCN-LABEL: test_mfma_f32_32x32x16_f16__flags__mac:
+; GCN: ; %bb.0:
+; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GCN-NEXT: v_accvgpr_write_b32 a0, v0
+; GCN-NEXT: v_accvgpr_write_b32 a1, v1
+; GCN-NEXT: v_accvgpr_write_b32 a2, v2
+; GCN-NEXT: v_accvgpr_write_b32 a3, v3
+; GCN-NEXT: v_accvgpr_write_b32 a4, v4
+; GCN-NEXT: v_accvgpr_write_b32 a5, v5
+; GCN-NEXT: v_accvgpr_write_b32 a6, v6
+; GCN-NEXT: v_accvgpr_write_b32 a7, v7
+; GCN-NEXT: v_accvgpr_write_b32 a8, v8
+; GCN-NEXT: v_accvgpr_write_b32 a9, v9
+; GCN-NEXT: v_accvgpr_write_b32 a10, v10
+; GCN-NEXT: v_accvgpr_write_b32 a11, v11
+; GCN-NEXT: v_accvgpr_write_b32 a12, v12
+; GCN-NEXT: v_accvgpr_write_b32 a13, v13
+; GCN-NEXT: v_accvgpr_write_b32 a14, v14
+; GCN-NEXT: v_accvgpr_write_b32 a15, v15
+; GCN-NEXT: s_nop 1
+; GCN-NEXT: v_mfma_f32_32x32x16_f16 a[0:15], v[16:19], v[20:23], a[0:15] cbsz:1 abid:1 blgp:1
+; GCN-NEXT: s_nop 7
+; GCN-NEXT: s_nop 2
+; GCN-NEXT: v_accvgpr_read_b32 v0, a0
+; GCN-NEXT: v_accvgpr_read_b32 v1, a1
+; GCN-NEXT: v_accvgpr_read_b32 v2, a2
+; GCN-NEXT: v_accvgpr_read_b32 v3, a3
+; GCN-NEXT: v_accvgpr_read_b32 v4, a4
+; GCN-NEXT: v_accvgpr_read_b32 v5, a5
+; GCN-NEXT: v_accvgpr_read_b32 v6, a6
+; GCN-NEXT: v_accvgpr_read_b32 v7, a7
+; GCN-NEXT: v_accvgpr_read_b32 v8, a8
+; GCN-NEXT: v_accvgpr_read_b32 v9, a9
+; GCN-NEXT: v_accvgpr_read_b32 v10, a10
+; GCN-NEXT: v_accvgpr_read_b32 v11, a11
+; GCN-NEXT: v_accvgpr_read_b32 v12, a12
+; GCN-NEXT: v_accvgpr_read_b32 v13, a13
+; GCN-NEXT: v_accvgpr_read_b32 v14, a14
+; GCN-NEXT: v_accvgpr_read_b32 v15, a15
+; GCN-NEXT: s_setpc_b64 s[30:31]
+ %result = call <16 x float> @llvm.amdgcn.mfma.f32.32x32x16.f16(<8 x half> %arg0, <8 x half> %arg1, <16 x float> %arg2, i32 1, i32 1, i32 1)
+ ret <16 x float> %result
+}
diff --git a/llvm/test/MC/AMDGPU/mai-gfx950.s b/llvm/test/MC/AMDGPU/mai-gfx950.s
new file mode 100644
index 00000000000000..deba548b6ae8e1
--- /dev/null
+++ b/llvm/test/MC/AMDGPU/mai-gfx950.s
@@ -0,0 +1,112 @@
+// RUN: llvm-mc -triple=amdgcn -mcpu=gfx950 -show-encoding %s | FileCheck -check-prefix=GFX950 %s
+// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx940 %s 2>&1 | FileCheck -check-prefix=ERR %s
+// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx90a %s 2>&1 | FileCheck -check-prefix=ERR %s
+
+//===----------------------------------------------------------------------===//
+// MFMA opcodes.
+//===----------------------------------------------------------------------===//
+
+
+//===----------------------------------------------------------------------===//
+// v_mfma_f32_16x16x32_f16
+//===----------------------------------------------------------------------===//
+
+// GFX950: v_mfma_f32_16x16x32_f16 v[0:3], v[0:3], v[0:3], v[0:3] ; encoding: [0x00,0x00,0xd4,0xd3,0x00,0x01,0x02,0x04]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_16x16x32_f16 v[0:3], v[0:3], v[0:3], v[0:3]
+
+// GFX950: v_mfma_f32_16x16x32_f16 v[0:3], v[0:3], v[0:3], v[0:3] ; encoding: [0x00,0x00,0xd4,0xd3,0x00,0x01,0x02,0x04]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_16x16x32f16 v[0:3], v[0:3], v[0:3], v[0:3]
+
+// GFX950: v_mfma_f32_16x16x32_f16 a[0:3], a[0:3], a[0:3], a[0:3] ; encoding: [0x00,0x80,0xd4,0xd3,0x00,0x01,0x02,0x1c]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_16x16x32_f16 a[0:3], a[0:3], a[0:3], a[0:3]
+
+// GFX950: v_mfma_f32_16x16x32_f16 a[0:3], a[0:3], a[0:3], a[0:3] ; encoding: [0x00,0x80,0xd4,0xd3,0x00,0x01,0x02,0x1c]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_16x16x32f16 a[0:3], a[0:3], a[0:3], a[0:3]
+
+// GFX950: v_mfma_f32_16x16x32_f16 v[0:3], a[0:3], v[0:3], 1.0 ; encoding: [0x00,0x00,0xd4,0xd3,0x00,0x01,0xca,0x0b]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_16x16x32_f16 v[0:3], a[0:3], v[0:3], 1.0
+
+// GFX950: v_mfma_f32_16x16x32_f16 a[0:3], v[0:3], a[0:3], 1.0 ; encoding: [0x00,0x80,0xd4,0xd3,0x00,0x01,0xca,0x13]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_16x16x32_f16 a[0:3], v[0:3], a[0:3], 1.0
+
+// GFX950: v_mfma_f32_16x16x32_f16 v[0:3], v[0:3], v[0:3], v[0:3] blgp:5 ; encoding: [0x00,0x00,0xd4,0xd3,0x00,0x01,0x02,0xa4]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_16x16x32_f16 v[0:3], v[0:3], v[0:3], v[0:3] blgp:5
+
+// GFX950: v_mfma_f32_16x16x32_f16 a[0:3], a[0:3], a[0:3], a[0:3] blgp:1 ; encoding: [0x00,0x80,0xd4,0xd3,0x00,0x01,0x02,0x3c]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_16x16x32_f16 a[0:3], a[0:3], a[0:3], a[0:3] blgp:1
+
+// GFX950: v_mfma_f32_16x16x32_f16 a[0:3], a[0:3], a[0:3], a[0:3] cbsz:3 ; encoding: [0x00,0x83,0xd4,0xd3,0x00,0x01,0x02,0x1c]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_16x16x32_f16 a[0:3], a[0:3], a[0:3], a[0:3] cbsz:3
+
+// GFX950: v_mfma_f32_16x16x32_f16 a[0:3], a[0:3], a[0:3], a[0:3] abid:1 ; encoding: [0x00,0x88,0xd4,0xd3,0x00,0x01,0x02,0x1c]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_16x16x32_f16 a[0:3], a[0:3], a[0:3], a[0:3] abid:1
+
+// GFX950: v_mfma_f32_16x16x32_f16 a[0:3], a[0:3], a[0:3], a[0:3] cbsz:3 abid:1 ; encoding: [0x00,0x8b,0xd4,0xd3,0x00,0x01,0x02,0x1c]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_16x16x32_f16 a[0:3], a[0:3], a[0:3], a[0:3] cbsz:3 abid:1
+
+// GFX950: v_mfma_f32_16x16x32_f16 a[0:3], v[0:3], v[0:3], a[4:7] ; encoding: [0x00,0x80,0xd4,0xd3,0x00,0x01,0x12,0x04]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_16x16x32_f16 a[0:3], v[0:3], v[0:3], a[4:7]
+
+// GFX950: v_mfma_f32_16x16x32_f16 v[0:3], a[0:3], a[0:3], v[4:7] ; encoding: [0x00,0x00,0xd4,0xd3,0x00,0x01,0x12,0x1c]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_16x16x32_f16 v[0:3], a[0:3], a[0:3], v[4:7]
+
+//===----------------------------------------------------------------------===//
+// v_mfma_f32_32x32x16_f16
+//===----------------------------------------------------------------------===//
+
+// GFX950: v_mfma_f32_32x32x16_f16 v[0:15], v[0:3], v[0:3], v[0:15] ; encoding: [0x00,0x00,0xd5,0xd3,0x00,0x01,0x02,0x04]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_32x32x16_f16 v[0:15], v[0:3], v[0:3], v[0:15]
+
+// GFX950: v_mfma_f32_32x32x16_f16 a[0:15], a[0:3], a[0:3], a[0:15] ; encoding: [0x00,0x80,0xd5,0xd3,0x00,0x01,0x02,0x1c]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_32x32x16_f16 a[0:15], a[0:3], a[0:3], a[0:15]
+
+// GFX950: v_mfma_f32_32x32x16_f16 v[0:15], v[0:3], v[0:3], v[0:15] ; encoding: [0x00,0x00,0xd5,0xd3,0x00,0x01,0x02,0x04]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_32x32x16f16 v[0:15], v[0:3], v[0:3], v[0:15]
+
+// GFX950: v_mfma_f32_32x32x16_f16 a[0:15], a[0:3], a[0:3], a[0:15] ; encoding: [0x00,0x80,0xd5,0xd3,0x00,0x01,0x02,0x1c]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_32x32x16f16 a[0:15], a[0:3], a[0:3], a[0:15]
+
+// GFX950: v_mfma_f32_32x32x16_f16 v[0:15], v[0:3], v[0:3], 1.0 ; encoding: [0x00,0x00,0xd5,0xd3,0x00,0x01,0xca,0x03]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_32x32x16_f16 v[0:15], v[0:3], v[0:3], 1.0
+
+// GFX950: v_mfma_f32_32x32x16_f16 a[0:15], a[0:3], a[0:3], 1.0 ; encoding: [0x00,0x80,0xd5,0xd3,0x00,0x01,0xca,0x1b]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_32x32x16_f16 a[0:15], a[0:3], a[0:3], 1.0
+
+// GFX950: v_mfma_f32_32x32x16_f16 v[0:15], v[0:3], v[0:3], v[0:15] blgp:5 ; encoding: [0x00,0x00,0xd5,0xd3,0x00,0x01,0x02,0xa4]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_32x32x16_f16 v[0:15], v[0:3], v[0:3], v[0:15] blgp:5
+
+// GFX950: v_mfma_f32_32x32x16_f16 a[0:15], a[0:3], a[0:3], a[0:15] blgp:2 ; encoding: [0x00,0x80,0xd5,0xd3,0x00,0x01,0x02,0x5c]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_32x32x16_f16 a[0:15], a[0:3], a[0:3], a[0:15] blgp:2
+
+// GFX950: v_mfma_f32_32x32x16_f16 v[0:15], v[0:3], v[0:3], v[0:15] cbsz:3 ; encoding: [0x00,0x03,0xd5,0xd3,0x00,0x01,0x02,0x04]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_32x32x16_f16 v[0:15], v[0:3], v[0:3], v[0:15] cbsz:3
+
+// GFX950: v_mfma_f32_32x32x16_f16 v[0:15], v[0:3], v[0:3], v[0:15] abid:1 ; encoding: [0x00,0x08,0xd5,0xd3,0x00,0x01,0x02,0x04]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_32x32x16_f16 v[0:15], v[0:3], v[0:3], v[0:15] abid:1
+
+// GFX950: v_mfma_f32_32x32x16_f16 a[0:15], a[0:3], a[0:3], a[0:15] cbsz:3 abid:1 ; encoding: [0x00,0x8b,0xd5,0xd3,0x00,0x01,0x02,0x1c]
+// ERR: :[[@LINE+1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+v_mfma_f32_32x32x16_f16 a[0:15], a[0:3], a[0:3], a[0:15] cbsz:3 abid:1
diff --git a/llvm/test/MC/Disassembler/AMDGPU/gfx950_mai.txt b/llvm/test/MC/Disassembler/AMDGPU/gfx950_mai.txt
new file mode 100644
index 00000000000000..68b52672b445de
--- /dev/null
+++ b/llvm/test/MC/Disassembler/AMDGPU/gfx950_mai.txt
@@ -0,0 +1,61 @@
+# RUN: llvm-mc -triple=amdgcn -mcpu=gfx950 -show-encoding -disassemble %s | FileCheck -check-prefix=GFX950 %s
+
+# GFX950: v_mfma_f32_16x16x32_f16 a[0:3], a[0:3], a[0:3], a[0:3] ; encoding: [0x00,0x80,0xd4,0xd3,0x00,0x01,0x02,0x1c]
+0x00,0x80,0xd4,0xd3,0x00,0x01,0x02,0x1c
+
+# GFX950: v_mfma_f32_16x16x32_f16 a[0:3], a[0:3], a[0:3], a[0:3] abid:1 ; encoding: [0x00,0x88,0xd4,0xd3,0x00,0x01,0x02,0x1c]
+0x00,0x88,0xd4,0xd3,0x00,0x01,0x02,0x1c
+
+# GFX950: v_mfma_f32_16x16x32_f16 a[0:3], a[0:3], a[0:3], a[0:3] blgp:1 ; encoding: [0x00,0x80,0xd4,0xd3,0x00,0x01,0x02,0x3c]
+0x00,0x80,0xd4,0xd3,0x00,0x01,0x02,0x3c
+
+# GFX950: v_mfma_f32_16x16x32_f16 a[0:3], a[0:3], a[0:3], a[0:3] cbsz:3 ; encoding: [0x00,0x83,0xd4,0xd3,0x00,0x01,0x02,0x1c]
+0x00,0x83,0xd4,0xd3,0x00,0x01,0x02,0x1c
+
+# GFX950: v_mfma_f32_16x16x32_f16 a[0:3], a[0:3], a[0:3], a[0:3] cbsz:3 abid:1 ; encoding: [0x00,0x8b,0xd4,0xd3,0x00,0x01,0x02,0x1c]
+0x00,0x8b,0xd4,0xd3,0x00,0x01,0x02,0x1c
+
+# GFX950: v_mfma_f32_16x16x32_f16 a[0:3], v[0:3], a[0:3], 1.0 ; encoding: [0x00,0x80,0xd4,0xd3,0x00,0x01,0xca,0x13]
+0x00,0x80,0xd4,0xd3,0x00,0x01,0xca,0x13
+
+# GFX950: v_mfma_f32_16x16x32_f16 a[0:3], v[0:3], v[0:3], a[4:7] ; encoding: [0x00,0x80,0xd4,0xd3,0x00,0x01,0x12,0x04]
+0x00,0x80,0xd4,0xd3,0x00,0x01,0x12,0x04
+
+# GFX950: v_mfma_f32_16x16x32_f16 v[0:3], a[0:3], a[0:3], v[4:7] ; encoding: [0x00,0x00,0xd4,0xd3,0x00,0x01,0x12,0x1c]
+0x00,0x00,0xd4,0xd3,0x00,0x01,0x12,0x1c
+
+# GFX950: v_mfma_f32_16x16x32_f16 v[0:3], a[0:3], v[0:3], 1.0 ; encoding: [0x00,0x00,0xd4,0xd3,0x00,0x01,0xca,0x0b]
+0x00,0x00,0xd4,0xd3,0x00,0x01,0xca,0x0b
+
+# GFX950: v_mfma_f32_16x16x32_f16 v[0:3], v[0:3], v[0:3], v[0:3] ; encoding: [0x00,0x00,0xd4,0xd3,0x00,0x01,0x02,0x04]
+0x00,0x00,0xd4,0xd3,0x00,0x01,0x02,0x04
+
+# GFX950: v_mfma_f32_16x16x32_f16 v[0:3], v[0:3], v[0:3], v[0:3] blgp:5 ; encoding: [0x00,0x00,0xd4,0xd3,0x00,0x01,0x02,0xa4]
+0x00,0x00,0xd4,0xd3,0x00,0x01,0x02,0xa4
+
+# GFX950: v_mfma_f32_32x32x16_f16 a[0:15], a[0:3], a[0:3], 1.0 ; encoding: [0x00,0x80,0xd5,0xd3,0x00,0x01,0xca,0x1b]
+0x00,0x80,0xd5,0xd3,0x00,0x01,0xca,0x1b
+
+# GFX950: v_mfma_f32_32x32x16_f16 a[0:15], a[0:3], a[0:3], a[0:15] ; encoding: [0x00,0x80,0xd5,0xd3,0x00,0x01,0x02,0x1c]
+0x00,0x80,0xd5,0xd3,0x00,0x01,0x02,0x1c
+
+# GFX950: v_mfma_f32_32x32x16_f16 a[0:15], a[0:3], a[0:3], a[0:15] blgp:2 ; encoding: [0x00,0x80,0xd5,0xd3,0x00,0x01,0x02,0x5c]
+0x00,0x80,0xd5,0xd3,0x00,0x01,0x02,0x5c
+
+# GFX950: v_mfma_f32_32x32x16_f16 a[0:15], a[0:3], a[0:3], a[0:15] cbsz:3 abid:1 ; encoding: [0x00,0x8b,0xd5,0xd3,0x00,0x01,0x02,0x1c]
+0x00,0x8b,0xd5,0xd3,0x00,0x01,0x02,0x1c
+
+# GFX950: v_mfma_f32_32x32x16_f16 v[0:15], v[0:3], v[0:3], 1.0 ; encoding: [0x00,0x00,0xd5,0xd3,0x00,0x01,0xca,0x03]
+0x00,0x00,0xd5,0xd3,0x00,0x01,0xca,0x03
+
+# GFX950: v_mfma_f32_32x32x16_f16 v[0:15], v[0:3], v[0:3], v[0:15] ; encoding: [0x00,0x00,0xd5,0xd3,0x00,0x01,0x02,0x04]
+0x00,0x00,0xd5,0xd3,0x00,0x01,0x02,0x04
+
+# GFX950: v_mfma_f32_32x32x16_f16 v[0:15], v[0:3], v[0:3], v[0:15] abid:1 ; encoding: [0x00,0x08,0xd5,0xd3,0x00,0x01,0x02,0x04]
+0x00,0x08,0xd5,0xd3,0x00,0x01,0x02,0x04
+
+# GFX950: v_mfma_f32_32x32x16_f16 v[0:15], v[0:3], v[0:3], v[0:15] blgp:5 ; encoding: [0x00,0x00,0xd5,0xd3,0x00,0x01,0x02,0xa4]
+0x00,0x00,0xd5,0xd3,0x00,0x01,0x02,0xa4
+
+# GFX950: v_mfma_f32_32x32x16_f16 v[0:15], v[0:3], v[0:3], v[0:15] cbsz:3 ; encoding: [0x00,0x03,0xd5,0xd3,0x00,0x01,0x02,0x04]
+0x00,0x03,0xd5,0xd3,0x00,0x01,0x02,0x04
diff --git a/llvm/test/tools/llvm-mca/AMDGPU/gfx950.s b/llvm/test/tools/llvm-mca/AMDGPU/gfx950.s
new file mode 100644
index 00000000000000..66affe8f930afb
--- /dev/null
+++ b/llvm/test/tools/llvm-mca/AMDGPU/gfx950.s
@@ -0,0 +1,18 @@
+# RUN: llvm-mca -mtriple=amdgcn -mcpu=gfx950 --timeline --iterations=1 --timeline-max-cycles=0 < %s | FileCheck %s
+
+# CHECK: Iterations: 1
+# CHECK: Instructions: 4
+# CHECK: Total Cycles: 25
+# CHECK: Total uOps: 4
+
+
+v_mfma_f32_16x16x32_f16 a[0:3], a[0:3], a[0:3], a[0:3] blgp:1
+v_mfma_f32_16x16x32_f16 a[0:3], v[0:3], v[0:3], a[4:7]
+v_mfma_f32_32x32x16_f16 v[0:15], v[0:3], v[0:3], v[0:15]
+v_mfma_f32_32x32x16_f16 a[0:15], a[0:3], a[0:3], a[0:15] blgp:2
+
+# CHECK: [0] [1] [2] [3] [4] [5] [6] Instructions:
+# CHECK-NEXT: - - - - - - 4.00 v_mfma_f32_16x16x32_f16 a[0:3], a[0:3], a[0:3], a[0:3] blgp:1
+# CHECK-NEXT: - - - - - - 4.00 v_mfma_f32_16x16x32_f16 a[0:3], v[0:3], v[0:3], a[4:7]
+# CHECK-NEXT: - - - - - - 8.00 v_mfma_f32_32x32x16_f16 v[0:15], v[0:3], v[0:3], v[0:15]
+# CHECK-NEXT: - - - - - - 8.00 v_mfma_f32_32x32x16_f16 a[0:15], a[0:3], a[0:3], a[0:15] blgp:2
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