[llvm] 9731b77 - AMDGPU: Implement llvm.set.rounding (#88587)

via llvm-commits llvm-commits at lists.llvm.org
Fri May 3 00:41:31 PDT 2024


Author: Matt Arsenault
Date: 2024-05-03T09:41:27+02:00
New Revision: 9731b77e80261c627d79980f8c275700bdaf6591

URL: https://github.com/llvm/llvm-project/commit/9731b77e80261c627d79980f8c275700bdaf6591
DIFF: https://github.com/llvm/llvm-project/commit/9731b77e80261c627d79980f8c275700bdaf6591.diff

LOG: AMDGPU: Implement llvm.set.rounding (#88587)

Use a shift of a magic constant and some offseting to convert from
flt_rounds values.

I don't know why the enum defines Dynamic = 7. The standard suggests -1
is the cannot determine value. If we could start the extended values at
4 we wouldn't need the extra compare sub and select.

https://reviews.llvm.org/D153257

Added: 
    llvm/test/CodeGen/AMDGPU/llvm.set.rounding.ll

Modified: 
    llvm/docs/AMDGPUUsage.rst
    llvm/docs/LangRef.rst
    llvm/docs/ReleaseNotes.rst
    llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    llvm/lib/Target/AMDGPU/SIISelLowering.h
    llvm/lib/Target/AMDGPU/SIModeRegisterDefaults.cpp
    llvm/lib/Target/AMDGPU/SIModeRegisterDefaults.h

Removed: 
    


################################################################################
diff  --git a/llvm/docs/AMDGPUUsage.rst b/llvm/docs/AMDGPUUsage.rst
index 029db00134c09d..51969be85648f1 100644
--- a/llvm/docs/AMDGPUUsage.rst
+++ b/llvm/docs/AMDGPUUsage.rst
@@ -1157,6 +1157,12 @@ The AMDGPU backend implements the following LLVM IR intrinsics.
                                                    register do not exactly match the FLT_ROUNDS values,
                                                    so a conversion is performed.
 
+  :ref:`llvm.set.rounding<int_set_rounding>`       Input value expected to be one of the valid results
+                                                   from '``llvm.get.rounding``'. Rounding mode is
+                                                   undefined if not passed a valid input. This should be
+                                                   a wave uniform value. In case of a divergent input
+                                                   value, the first active lane's value will be used.
+
   :ref:`llvm.get.fpenv<int_get_fpenv>`             Returns the current value of the AMDGPU floating point environment.
                                                    This stores information related to the current rounding mode,
                                                    denormalization mode, enabled traps, and floating point exceptions.

diff  --git a/llvm/docs/LangRef.rst b/llvm/docs/LangRef.rst
index 6291a4e57919a5..2077fdd841fcd6 100644
--- a/llvm/docs/LangRef.rst
+++ b/llvm/docs/LangRef.rst
@@ -26739,6 +26739,8 @@ specified by C standard:
 Other values may be used to represent additional rounding modes, supported by a
 target. These values are target-specific.
 
+.. _int_set_rounding:
+
 '``llvm.set.rounding``' Intrinsic
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 

diff  --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst
index 102dca1b11aba3..6ab326b9054df0 100644
--- a/llvm/docs/ReleaseNotes.rst
+++ b/llvm/docs/ReleaseNotes.rst
@@ -81,6 +81,8 @@ Changes to the AMDGPU Backend
 
 * Implemented the ``llvm.get.fpenv`` and ``llvm.set.fpenv`` intrinsics.
 
+* Implemented :ref:`llvm.get.rounding <int_get_rounding>` and :ref:`llvm.set.rounding <int_set_rounding>`
+
 Changes to the ARM Backend
 --------------------------
 * FEAT_F32MM is no longer activated by default when using `+sve` on v8.6-A or greater. The feature is still available and can be used by adding `+f32mm` to the command line options.

diff  --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
index cb4efdc7cf657c..ee1e610e640bd2 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -877,6 +877,7 @@ SITargetLowering::SITargetLowering(const TargetMachine &TM,
 
   setOperationAction(ISD::STACKSAVE, MVT::Other, Custom);
   setOperationAction(ISD::GET_ROUNDING, MVT::i32, Custom);
+  setOperationAction(ISD::SET_ROUNDING, MVT::Other, Custom);
   setOperationAction(ISD::GET_FPENV, MVT::i64, Custom);
   setOperationAction(ISD::SET_FPENV, MVT::i64, Custom);
 
@@ -4059,6 +4060,75 @@ SDValue SITargetLowering::lowerGET_ROUNDING(SDValue Op,
   return DAG.getMergeValues({Result, GetReg.getValue(1)}, SL);
 }
 
+SDValue SITargetLowering::lowerSET_ROUNDING(SDValue Op,
+                                            SelectionDAG &DAG) const {
+  SDLoc SL(Op);
+
+  SDValue NewMode = Op.getOperand(1);
+  assert(NewMode.getValueType() == MVT::i32);
+
+  // Index a table of 4-bit entries mapping from the C FLT_ROUNDS values to the
+  // hardware MODE.fp_round values.
+  if (auto *ConstMode = dyn_cast<ConstantSDNode>(NewMode)) {
+    uint32_t ClampedVal = std::min(
+        static_cast<uint32_t>(ConstMode->getZExtValue()),
+        static_cast<uint32_t>(AMDGPU::TowardZeroF32_TowardNegativeF64));
+    NewMode = DAG.getConstant(
+        AMDGPU::decodeFltRoundToHWConversionTable(ClampedVal), SL, MVT::i32);
+  } else {
+    SDValue BitTable =
+        DAG.getConstant(AMDGPU::FltRoundToHWConversionTable, SL, MVT::i64);
+
+    // The supported standard values are 0-3. The extended values start at 8. We
+    // need to offset by 4 if the value is in the extended range.
+
+    // is_standard = value < 4;
+    // table_index = is_standard ? value : (value - 4)
+    // MODE.fp_round = (bit_table >> (table_index << 2)) & 0xf
+
+    SDValue Four = DAG.getConstant(4, SL, MVT::i32);
+    SDValue IsStandardValue =
+        DAG.getSetCC(SL, MVT::i1, NewMode, Four, ISD::SETULT);
+    SDValue OffsetEnum = DAG.getNode(ISD::SUB, SL, MVT::i32, NewMode, Four);
+    SDValue IndexVal = DAG.getNode(ISD::SELECT, SL, MVT::i32, IsStandardValue,
+                                   NewMode, OffsetEnum);
+
+    SDValue Two = DAG.getConstant(2, SL, MVT::i32);
+    SDValue RoundModeTimesNumBits =
+        DAG.getNode(ISD::SHL, SL, MVT::i32, IndexVal, Two);
+
+    SDValue TableValue =
+        DAG.getNode(ISD::SRL, SL, MVT::i64, BitTable, RoundModeTimesNumBits);
+    SDValue TruncTable = DAG.getNode(ISD::TRUNCATE, SL, MVT::i32, TableValue);
+
+    // No need to mask out the high bits since the setreg will ignore them
+    // anyway.
+    NewMode = TruncTable;
+
+    // Insert a readfirstlane in case the value is a VGPR. We could do this
+    // earlier and keep more operations scalar, but that interferes with
+    // combining the source.
+    SDValue ReadFirstLaneID =
+        DAG.getTargetConstant(Intrinsic::amdgcn_readfirstlane, SL, MVT::i32);
+    NewMode = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, SL, MVT::i32,
+                          ReadFirstLaneID, NewMode);
+  }
+
+  // N.B. The setreg will be later folded into s_round_mode on supported
+  // targets.
+  SDValue IntrinID =
+      DAG.getTargetConstant(Intrinsic::amdgcn_s_setreg, SL, MVT::i32);
+  uint32_t BothRoundHwReg =
+      AMDGPU::Hwreg::HwregEncoding::encode(AMDGPU::Hwreg::ID_MODE, 0, 4);
+  SDValue RoundBothImm = DAG.getTargetConstant(BothRoundHwReg, SL, MVT::i32);
+
+  SDValue SetReg =
+      DAG.getNode(ISD::INTRINSIC_VOID, SL, Op->getVTList(), Op.getOperand(0),
+                  IntrinID, RoundBothImm, NewMode);
+
+  return SetReg;
+}
+
 SDValue SITargetLowering::lowerPREFETCH(SDValue Op, SelectionDAG &DAG) const {
   if (Op->isDivergent())
     return SDValue();
@@ -5754,6 +5824,8 @@ SDValue SITargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) const {
     return LowerSTACKSAVE(Op, DAG);
   case ISD::GET_ROUNDING:
     return lowerGET_ROUNDING(Op, DAG);
+  case ISD::SET_ROUNDING:
+    return lowerSET_ROUNDING(Op, DAG);
   case ISD::PREFETCH:
     return lowerPREFETCH(Op, DAG);
   case ISD::FP_EXTEND:

diff  --git a/llvm/lib/Target/AMDGPU/SIISelLowering.h b/llvm/lib/Target/AMDGPU/SIISelLowering.h
index 9856a2923d38f7..08aa2a5991631d 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.h
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.h
@@ -422,6 +422,7 @@ class SITargetLowering final : public AMDGPUTargetLowering {
   SDValue LowerDYNAMIC_STACKALLOC(SDValue Op, SelectionDAG &DAG) const;
   SDValue LowerSTACKSAVE(SDValue Op, SelectionDAG &DAG) const;
   SDValue lowerGET_ROUNDING(SDValue Op, SelectionDAG &DAG) const;
+  SDValue lowerSET_ROUNDING(SDValue Op, SelectionDAG &DAG) const;
 
   SDValue lowerPREFETCH(SDValue Op, SelectionDAG &DAG) const;
   SDValue lowerFP_EXTEND(SDValue Op, SelectionDAG &DAG) const;

diff  --git a/llvm/lib/Target/AMDGPU/SIModeRegisterDefaults.cpp b/llvm/lib/Target/AMDGPU/SIModeRegisterDefaults.cpp
index 2684a1e3c3358a..f03fd0b1f4088a 100644
--- a/llvm/lib/Target/AMDGPU/SIModeRegisterDefaults.cpp
+++ b/llvm/lib/Target/AMDGPU/SIModeRegisterDefaults.cpp
@@ -174,3 +174,116 @@ static_assert(decodeIndexFltRoundConversionTable(getModeRegisterRoundMode(
 static_assert(decodeIndexFltRoundConversionTable(getModeRegisterRoundMode(
                   HWTowardNegative, HWTowardPositive)) ==
               TowardNegativeF32_TowardPositiveF64);
+
+// Decode FLT_ROUNDS into the hardware value where the two rounding modes are
+// the same and use a standard value
+static constexpr uint64_t encodeFltRoundsToHWTableSame(uint32_t HWVal,
+                                                       uint32_t FltRoundsVal) {
+  if (FltRoundsVal > TowardNegative)
+    FltRoundsVal -= ExtendedFltRoundOffset;
+
+  return static_cast<uint64_t>(getModeRegisterRoundMode(HWVal, HWVal))
+         << (FltRoundsVal << 2);
+}
+
+/// Decode FLT_ROUNDS into the hardware value where the two rounding modes
+/// 
diff erent and use an extended value.
+static constexpr uint64_t encodeFltRoundsToHWTable(uint32_t HWF32Val,
+                                                   uint32_t HWF64Val,
+                                                   uint32_t FltRoundsVal) {
+  if (FltRoundsVal > TowardNegative)
+    FltRoundsVal -= ExtendedFltRoundOffset;
+  return static_cast<uint64_t>(getModeRegisterRoundMode(HWF32Val, HWF64Val))
+         << (FltRoundsVal << 2);
+}
+
+constexpr uint64_t AMDGPU::FltRoundToHWConversionTable =
+    encodeFltRoundsToHWTableSame(HWTowardZero, TowardZeroF32_TowardZeroF64) |
+    encodeFltRoundsToHWTableSame(HWNearestTiesToEven,
+                                 NearestTiesToEvenF32_NearestTiesToEvenF64) |
+    encodeFltRoundsToHWTableSame(HWTowardPositive,
+                                 TowardPositiveF32_TowardPositiveF64) |
+    encodeFltRoundsToHWTableSame(HWTowardNegative,
+                                 TowardNegativeF32_TowardNegativeF64) |
+
+    encodeFltRoundsToHWTable(HWTowardZero, HWNearestTiesToEven,
+                             TowardZeroF32_NearestTiesToEvenF64) |
+    encodeFltRoundsToHWTable(HWTowardZero, HWTowardPositive,
+                             TowardZeroF32_TowardPositiveF64) |
+    encodeFltRoundsToHWTable(HWTowardZero, HWTowardNegative,
+                             TowardZeroF32_TowardNegativeF64) |
+
+    encodeFltRoundsToHWTable(HWNearestTiesToEven, HWTowardZero,
+                             NearestTiesToEvenF32_TowardZeroF64) |
+    encodeFltRoundsToHWTable(HWNearestTiesToEven, HWTowardPositive,
+                             NearestTiesToEvenF32_TowardPositiveF64) |
+    encodeFltRoundsToHWTable(HWNearestTiesToEven, HWTowardNegative,
+                             NearestTiesToEvenF32_TowardNegativeF64) |
+
+    encodeFltRoundsToHWTable(HWTowardPositive, HWTowardZero,
+                             TowardPositiveF32_TowardZeroF64) |
+    encodeFltRoundsToHWTable(HWTowardPositive, HWNearestTiesToEven,
+                             TowardPositiveF32_NearestTiesToEvenF64) |
+    encodeFltRoundsToHWTable(HWTowardPositive, HWTowardNegative,
+                             TowardPositiveF32_TowardNegativeF64) |
+
+    encodeFltRoundsToHWTable(HWTowardNegative, HWTowardZero,
+                             TowardNegativeF32_TowardZeroF64) |
+    encodeFltRoundsToHWTable(HWTowardNegative, HWNearestTiesToEven,
+                             TowardNegativeF32_NearestTiesToEvenF64) |
+    encodeFltRoundsToHWTable(HWTowardNegative, HWTowardPositive,
+                             TowardNegativeF32_TowardPositiveF64);
+
+// Verify evaluation of FltRoundToHWConversionTable
+
+static_assert(decodeFltRoundToHWConversionTable(AMDGPUFltRounds::TowardZero) ==
+              getModeRegisterRoundMode(HWTowardZero, HWTowardZero));
+static_assert(
+    decodeFltRoundToHWConversionTable(AMDGPUFltRounds::NearestTiesToEven) ==
+    getModeRegisterRoundMode(HWNearestTiesToEven, HWNearestTiesToEven));
+static_assert(
+    decodeFltRoundToHWConversionTable(AMDGPUFltRounds::TowardPositive) ==
+    getModeRegisterRoundMode(HWTowardPositive, HWTowardPositive));
+static_assert(
+    decodeFltRoundToHWConversionTable(AMDGPUFltRounds::TowardNegative) ==
+    getModeRegisterRoundMode(HWTowardNegative, HWTowardNegative));
+
+static_assert(
+    decodeFltRoundToHWConversionTable(NearestTiesToEvenF32_TowardPositiveF64) ==
+    getModeRegisterRoundMode(HWNearestTiesToEven, HWTowardPositive));
+static_assert(
+    decodeFltRoundToHWConversionTable(NearestTiesToEvenF32_TowardNegativeF64) ==
+    getModeRegisterRoundMode(HWNearestTiesToEven, HWTowardNegative));
+static_assert(
+    decodeFltRoundToHWConversionTable(NearestTiesToEvenF32_TowardZeroF64) ==
+    getModeRegisterRoundMode(HWNearestTiesToEven, HWTowardZero));
+
+static_assert(
+    decodeFltRoundToHWConversionTable(TowardPositiveF32_NearestTiesToEvenF64) ==
+    getModeRegisterRoundMode(HWTowardPositive, HWNearestTiesToEven));
+static_assert(
+    decodeFltRoundToHWConversionTable(TowardPositiveF32_TowardNegativeF64) ==
+    getModeRegisterRoundMode(HWTowardPositive, HWTowardNegative));
+static_assert(
+    decodeFltRoundToHWConversionTable(TowardPositiveF32_TowardZeroF64) ==
+    getModeRegisterRoundMode(HWTowardPositive, HWTowardZero));
+
+static_assert(
+    decodeFltRoundToHWConversionTable(TowardNegativeF32_NearestTiesToEvenF64) ==
+    getModeRegisterRoundMode(HWTowardNegative, HWNearestTiesToEven));
+static_assert(
+    decodeFltRoundToHWConversionTable(TowardNegativeF32_TowardPositiveF64) ==
+    getModeRegisterRoundMode(HWTowardNegative, HWTowardPositive));
+static_assert(
+    decodeFltRoundToHWConversionTable(TowardNegativeF32_TowardZeroF64) ==
+    getModeRegisterRoundMode(HWTowardNegative, HWTowardZero));
+
+static_assert(
+    decodeFltRoundToHWConversionTable(TowardZeroF32_NearestTiesToEvenF64) ==
+    getModeRegisterRoundMode(HWTowardZero, HWNearestTiesToEven));
+static_assert(
+    decodeFltRoundToHWConversionTable(TowardZeroF32_TowardPositiveF64) ==
+    getModeRegisterRoundMode(HWTowardZero, HWTowardPositive));
+static_assert(
+    decodeFltRoundToHWConversionTable(TowardZeroF32_TowardNegativeF64) ==
+    getModeRegisterRoundMode(HWTowardZero, HWTowardNegative));

diff  --git a/llvm/lib/Target/AMDGPU/SIModeRegisterDefaults.h b/llvm/lib/Target/AMDGPU/SIModeRegisterDefaults.h
index 9fbd74c3eede32..1bfb5add50f7ec 100644
--- a/llvm/lib/Target/AMDGPU/SIModeRegisterDefaults.h
+++ b/llvm/lib/Target/AMDGPU/SIModeRegisterDefaults.h
@@ -144,6 +144,18 @@ static constexpr uint32_t F64FltRoundOffset = 2;
 // values.
 extern const uint64_t FltRoundConversionTable;
 
+// Bit indexed table to convert from FLT_ROUNDS values to hardware rounding mode
+// values
+extern const uint64_t FltRoundToHWConversionTable;
+
+/// Read the hardware rounding mode equivalent of a AMDGPUFltRounds value.
+constexpr uint32_t decodeFltRoundToHWConversionTable(uint32_t FltRounds) {
+  uint32_t IndexVal = FltRounds;
+  if (IndexVal > TowardNegative)
+    IndexVal -= ExtendedFltRoundOffset;
+  return (FltRoundToHWConversionTable >> (IndexVal << 2)) & 0xf;
+}
+
 } // end namespace AMDGPU
 
 } // end namespace llvm

diff  --git a/llvm/test/CodeGen/AMDGPU/llvm.set.rounding.ll b/llvm/test/CodeGen/AMDGPU/llvm.set.rounding.ll
new file mode 100644
index 00000000000000..0f8571ef07cdfa
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/llvm.set.rounding.ll
@@ -0,0 +1,1919 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
+; RUN: llc -march=amdgcn -mcpu=tahiti < %s | FileCheck -check-prefixes=GCN,GFX678,GFX6 %s
+; RUN: llc -march=amdgcn -mcpu=hawaii < %s | FileCheck -check-prefixes=GCN,GFX678,GFX7 %s
+; RUN: llc -march=amdgcn -mcpu=fiji < %s | FileCheck -check-prefixes=GCN,GFX678,GFX8 %s
+; RUN: llc -march=amdgcn -mcpu=gfx900 < %s | FileCheck -check-prefixes=GCN,GFX9 %s
+; RUN: llc -march=amdgcn -mcpu=gfx1030 < %s | FileCheck -check-prefixes=GCN,GFX1011,GFX10 %s
+; RUN: llc -march=amdgcn -mcpu=gfx1100 -amdgpu-enable-delay-alu=0 < %s | FileCheck -check-prefixes=GCN,GFX1011,GFX11 %s
+
+declare void @llvm.set.rounding(i32)
+declare i32 @llvm.get.rounding()
+
+define amdgpu_gfx void @s_set_rounding(i32 inreg %rounding) {
+; GFX678-LABEL: s_set_rounding:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_add_i32 s34, s4, -4
+; GFX678-NEXT:    s_cmp_lt_u32 s4, 4
+; GFX678-NEXT:    s_cselect_b32 s34, s4, s34
+; GFX678-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX678-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX678-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX678-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX678-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_add_i32 s34, s4, -4
+; GFX9-NEXT:    s_cmp_lt_u32 s4, 4
+; GFX9-NEXT:    s_cselect_b32 s34, s4, s34
+; GFX9-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX9-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX9-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX9-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX9-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX10-LABEL: s_set_rounding:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    s_add_i32 s34, s4, -4
+; GFX10-NEXT:    s_cmp_lt_u32 s4, 4
+; GFX10-NEXT:    s_cselect_b32 s34, s4, s34
+; GFX10-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX10-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX10-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX10-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX10-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX10-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX11-LABEL: s_set_rounding:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    s_add_i32 s0, s4, -4
+; GFX11-NEXT:    s_cmp_lt_u32 s4, 4
+; GFX11-NEXT:    s_cselect_b32 s0, s4, s0
+; GFX11-NEXT:    s_lshl_b32 s2, s0, 2
+; GFX11-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX11-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX11-NEXT:    s_lshr_b64 s[0:1], s[0:1], s2
+; GFX11-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 %rounding)
+  ret void
+}
+
+define amdgpu_kernel void @s_set_rounding_kernel(i32 inreg %rounding) {
+; GFX6-LABEL: s_set_rounding_kernel:
+; GFX6:       ; %bb.0:
+; GFX6-NEXT:    s_load_dword s2, s[0:1], 0x9
+; GFX6-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX6-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX6-NEXT:    ;;#ASMSTART
+; GFX6-NEXT:    ;;#ASMEND
+; GFX6-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX6-NEXT:    s_add_i32 s3, s2, -4
+; GFX6-NEXT:    s_cmp_lt_u32 s2, 4
+; GFX6-NEXT:    s_cselect_b32 s2, s2, s3
+; GFX6-NEXT:    s_lshl_b32 s2, s2, 2
+; GFX6-NEXT:    s_lshr_b64 s[0:1], s[0:1], s2
+; GFX6-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX6-NEXT:    s_endpgm
+;
+; GFX7-LABEL: s_set_rounding_kernel:
+; GFX7:       ; %bb.0:
+; GFX7-NEXT:    s_load_dword s2, s[0:1], 0x9
+; GFX7-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX7-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX7-NEXT:    ;;#ASMSTART
+; GFX7-NEXT:    ;;#ASMEND
+; GFX7-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX7-NEXT:    s_add_i32 s3, s2, -4
+; GFX7-NEXT:    s_cmp_lt_u32 s2, 4
+; GFX7-NEXT:    s_cselect_b32 s2, s2, s3
+; GFX7-NEXT:    s_lshl_b32 s2, s2, 2
+; GFX7-NEXT:    s_lshr_b64 s[0:1], s[0:1], s2
+; GFX7-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX7-NEXT:    s_endpgm
+;
+; GFX8-LABEL: s_set_rounding_kernel:
+; GFX8:       ; %bb.0:
+; GFX8-NEXT:    s_load_dword s2, s[0:1], 0x24
+; GFX8-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX8-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX8-NEXT:    ;;#ASMSTART
+; GFX8-NEXT:    ;;#ASMEND
+; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX8-NEXT:    s_add_i32 s3, s2, -4
+; GFX8-NEXT:    s_cmp_lt_u32 s2, 4
+; GFX8-NEXT:    s_cselect_b32 s2, s2, s3
+; GFX8-NEXT:    s_lshl_b32 s2, s2, 2
+; GFX8-NEXT:    s_lshr_b64 s[0:1], s[0:1], s2
+; GFX8-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX8-NEXT:    s_endpgm
+;
+; GFX9-LABEL: s_set_rounding_kernel:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_load_dword s2, s[0:1], 0x24
+; GFX9-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX9-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX9-NEXT:    ;;#ASMSTART
+; GFX9-NEXT:    ;;#ASMEND
+; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9-NEXT:    s_add_i32 s3, s2, -4
+; GFX9-NEXT:    s_cmp_lt_u32 s2, 4
+; GFX9-NEXT:    s_cselect_b32 s2, s2, s3
+; GFX9-NEXT:    s_lshl_b32 s2, s2, 2
+; GFX9-NEXT:    s_lshr_b64 s[0:1], s[0:1], s2
+; GFX9-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX9-NEXT:    s_endpgm
+;
+; GFX10-LABEL: s_set_rounding_kernel:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_load_dword s0, s[0:1], 0x24
+; GFX10-NEXT:    ;;#ASMSTART
+; GFX10-NEXT:    ;;#ASMEND
+; GFX10-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX10-NEXT:    s_add_i32 s1, s0, -4
+; GFX10-NEXT:    s_cmp_lt_u32 s0, 4
+; GFX10-NEXT:    s_cselect_b32 s2, s0, s1
+; GFX10-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX10-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX10-NEXT:    s_lshl_b32 s2, s2, 2
+; GFX10-NEXT:    s_lshr_b64 s[0:1], s[0:1], s2
+; GFX10-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX10-NEXT:    s_endpgm
+;
+; GFX11-LABEL: s_set_rounding_kernel:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_load_b32 s0, s[0:1], 0x24
+; GFX11-NEXT:    ;;#ASMSTART
+; GFX11-NEXT:    ;;#ASMEND
+; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX11-NEXT:    s_add_i32 s1, s0, -4
+; GFX11-NEXT:    s_cmp_lt_u32 s0, 4
+; GFX11-NEXT:    s_cselect_b32 s2, s0, s1
+; GFX11-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX11-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX11-NEXT:    s_lshl_b32 s2, s2, 2
+; GFX11-NEXT:    s_lshr_b64 s[0:1], s[0:1], s2
+; GFX11-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX11-NEXT:    s_endpgm
+  call void @llvm.set.rounding(i32 %rounding)
+  call void asm sideeffect "",""()
+  ret void
+}
+
+define void @v_set_rounding(i32 %rounding) {
+; GFX6-LABEL: v_set_rounding:
+; GFX6:       ; %bb.0:
+; GFX6-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX6-NEXT:    v_add_i32_e32 v1, vcc, -4, v0
+; GFX6-NEXT:    v_cmp_gt_u32_e32 vcc, 4, v0
+; GFX6-NEXT:    v_cndmask_b32_e32 v0, v1, v0, vcc
+; GFX6-NEXT:    s_mov_b32 s4, 0x1c84a50f
+; GFX6-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX6-NEXT:    s_mov_b32 s5, 0xb73e62d9
+; GFX6-NEXT:    v_lshr_b64 v[0:1], s[4:5], v0
+; GFX6-NEXT:    v_readfirstlane_b32 s4, v0
+; GFX6-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s4
+; GFX6-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX7-LABEL: v_set_rounding:
+; GFX7:       ; %bb.0:
+; GFX7-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX7-NEXT:    v_add_i32_e32 v1, vcc, -4, v0
+; GFX7-NEXT:    v_cmp_gt_u32_e32 vcc, 4, v0
+; GFX7-NEXT:    v_cndmask_b32_e32 v0, v1, v0, vcc
+; GFX7-NEXT:    s_mov_b32 s4, 0x1c84a50f
+; GFX7-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX7-NEXT:    s_mov_b32 s5, 0xb73e62d9
+; GFX7-NEXT:    v_lshr_b64 v[0:1], s[4:5], v0
+; GFX7-NEXT:    v_readfirstlane_b32 s4, v0
+; GFX7-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s4
+; GFX7-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX8-LABEL: v_set_rounding:
+; GFX8:       ; %bb.0:
+; GFX8-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX8-NEXT:    v_add_u32_e32 v1, vcc, -4, v0
+; GFX8-NEXT:    v_cmp_gt_u32_e32 vcc, 4, v0
+; GFX8-NEXT:    v_cndmask_b32_e32 v0, v1, v0, vcc
+; GFX8-NEXT:    s_mov_b32 s4, 0x1c84a50f
+; GFX8-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX8-NEXT:    s_mov_b32 s5, 0xb73e62d9
+; GFX8-NEXT:    v_lshrrev_b64 v[0:1], v0, s[4:5]
+; GFX8-NEXT:    v_readfirstlane_b32 s4, v0
+; GFX8-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s4
+; GFX8-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: v_set_rounding:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    v_add_u32_e32 v1, -4, v0
+; GFX9-NEXT:    v_cmp_gt_u32_e32 vcc, 4, v0
+; GFX9-NEXT:    v_cndmask_b32_e32 v0, v1, v0, vcc
+; GFX9-NEXT:    s_mov_b32 s4, 0x1c84a50f
+; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX9-NEXT:    s_mov_b32 s5, 0xb73e62d9
+; GFX9-NEXT:    v_lshrrev_b64 v[0:1], v0, s[4:5]
+; GFX9-NEXT:    v_readfirstlane_b32 s4, v0
+; GFX9-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s4
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX10-LABEL: v_set_rounding:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    v_add_nc_u32_e32 v1, -4, v0
+; GFX10-NEXT:    v_cmp_gt_u32_e32 vcc_lo, 4, v0
+; GFX10-NEXT:    s_mov_b32 s4, 0x1c84a50f
+; GFX10-NEXT:    s_mov_b32 s5, 0xb73e62d9
+; GFX10-NEXT:    v_cndmask_b32_e32 v0, v1, v0, vcc_lo
+; GFX10-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX10-NEXT:    v_lshrrev_b64 v[0:1], v0, s[4:5]
+; GFX10-NEXT:    v_readfirstlane_b32 s4, v0
+; GFX10-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s4
+; GFX10-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX11-LABEL: v_set_rounding:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    v_add_nc_u32_e32 v1, -4, v0
+; GFX11-NEXT:    v_cmp_gt_u32_e32 vcc_lo, 4, v0
+; GFX11-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX11-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX11-NEXT:    v_cndmask_b32_e32 v0, v1, v0, vcc_lo
+; GFX11-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX11-NEXT:    v_lshrrev_b64 v[0:1], v0, s[0:1]
+; GFX11-NEXT:    v_readfirstlane_b32 s0, v0
+; GFX11-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 %rounding)
+  ret void
+}
+
+define void @set_rounding_get_rounding() {
+; GFX678-LABEL: set_rounding_get_rounding:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_getreg_b32 s4, hwreg(HW_REG_MODE, 0, 4)
+; GFX678-NEXT:    s_lshl_b32 s6, s4, 2
+; GFX678-NEXT:    s_mov_b32 s4, 0xeb24da71
+; GFX678-NEXT:    s_mov_b32 s5, 0xc96f385
+; GFX678-NEXT:    s_lshr_b64 s[4:5], s[4:5], s6
+; GFX678-NEXT:    s_and_b32 s4, s4, 15
+; GFX678-NEXT:    s_add_i32 s5, s4, 4
+; GFX678-NEXT:    s_cmp_lt_u32 s4, 4
+; GFX678-NEXT:    s_cselect_b32 s4, s4, s5
+; GFX678-NEXT:    s_add_i32 s5, s4, -4
+; GFX678-NEXT:    s_cmp_lt_u32 s4, 4
+; GFX678-NEXT:    s_cselect_b32 s4, s4, s5
+; GFX678-NEXT:    s_lshl_b32 s6, s4, 2
+; GFX678-NEXT:    s_mov_b32 s4, 0x1c84a50f
+; GFX678-NEXT:    s_mov_b32 s5, 0xb73e62d9
+; GFX678-NEXT:    s_lshr_b64 s[4:5], s[4:5], s6
+; GFX678-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s4
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: set_rounding_get_rounding:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_getreg_b32 s4, hwreg(HW_REG_MODE, 0, 4)
+; GFX9-NEXT:    s_lshl_b32 s6, s4, 2
+; GFX9-NEXT:    s_mov_b32 s4, 0xeb24da71
+; GFX9-NEXT:    s_mov_b32 s5, 0xc96f385
+; GFX9-NEXT:    s_lshr_b64 s[4:5], s[4:5], s6
+; GFX9-NEXT:    s_and_b32 s4, s4, 15
+; GFX9-NEXT:    s_add_i32 s5, s4, 4
+; GFX9-NEXT:    s_cmp_lt_u32 s4, 4
+; GFX9-NEXT:    s_cselect_b32 s4, s4, s5
+; GFX9-NEXT:    s_add_i32 s5, s4, -4
+; GFX9-NEXT:    s_cmp_lt_u32 s4, 4
+; GFX9-NEXT:    s_cselect_b32 s4, s4, s5
+; GFX9-NEXT:    s_lshl_b32 s6, s4, 2
+; GFX9-NEXT:    s_mov_b32 s4, 0x1c84a50f
+; GFX9-NEXT:    s_mov_b32 s5, 0xb73e62d9
+; GFX9-NEXT:    s_lshr_b64 s[4:5], s[4:5], s6
+; GFX9-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s4
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX10-LABEL: set_rounding_get_rounding:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    s_getreg_b32 s6, hwreg(HW_REG_MODE, 0, 4)
+; GFX10-NEXT:    s_mov_b32 s4, 0xeb24da71
+; GFX10-NEXT:    s_mov_b32 s5, 0xc96f385
+; GFX10-NEXT:    s_lshl_b32 s6, s6, 2
+; GFX10-NEXT:    s_lshr_b64 s[4:5], s[4:5], s6
+; GFX10-NEXT:    s_and_b32 s4, s4, 15
+; GFX10-NEXT:    s_add_i32 s5, s4, 4
+; GFX10-NEXT:    s_cmp_lt_u32 s4, 4
+; GFX10-NEXT:    s_cselect_b32 s4, s4, s5
+; GFX10-NEXT:    s_add_i32 s5, s4, -4
+; GFX10-NEXT:    s_cmp_lt_u32 s4, 4
+; GFX10-NEXT:    s_cselect_b32 s4, s4, s5
+; GFX10-NEXT:    s_lshl_b32 s6, s4, 2
+; GFX10-NEXT:    s_mov_b32 s4, 0x1c84a50f
+; GFX10-NEXT:    s_mov_b32 s5, 0xb73e62d9
+; GFX10-NEXT:    s_lshr_b64 s[4:5], s[4:5], s6
+; GFX10-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s4
+; GFX10-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX11-LABEL: set_rounding_get_rounding:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    s_getreg_b32 s2, hwreg(HW_REG_MODE, 0, 4)
+; GFX11-NEXT:    s_mov_b32 s0, 0xeb24da71
+; GFX11-NEXT:    s_mov_b32 s1, 0xc96f385
+; GFX11-NEXT:    s_lshl_b32 s2, s2, 2
+; GFX11-NEXT:    s_lshr_b64 s[0:1], s[0:1], s2
+; GFX11-NEXT:    s_and_b32 s0, s0, 15
+; GFX11-NEXT:    s_add_i32 s1, s0, 4
+; GFX11-NEXT:    s_cmp_lt_u32 s0, 4
+; GFX11-NEXT:    s_cselect_b32 s0, s0, s1
+; GFX11-NEXT:    s_add_i32 s1, s0, -4
+; GFX11-NEXT:    s_cmp_lt_u32 s0, 4
+; GFX11-NEXT:    s_cselect_b32 s0, s0, s1
+; GFX11-NEXT:    s_lshl_b32 s2, s0, 2
+; GFX11-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX11-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX11-NEXT:    s_lshr_b64 s[0:1], s[0:1], s2
+; GFX11-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+  %rounding = call i32 @llvm.get.rounding()
+  call void @llvm.set.rounding(i32 %rounding)
+  ret void
+}
+
+define void @s_set_rounding_0() {
+; GFX678-LABEL: s_set_rounding_0:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 15
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_0:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 15
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_0:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0xf
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 0)
+  ret void
+}
+
+define void @s_set_rounding_1() {
+; GFX678-LABEL: s_set_rounding_1:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 0
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_1:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 0
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_1:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0x0
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 1)
+  ret void
+}
+
+define void @s_set_rounding_2() {
+; GFX678-LABEL: s_set_rounding_2:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 5
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_2:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 5
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_2:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0x5
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 2)
+  ret void
+}
+
+define void @s_set_rounding_3() {
+; GFX678-LABEL: s_set_rounding_3:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 10
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_3:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 10
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_3:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0xa
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 3)
+  ret void
+}
+
+; Unsupported mode.
+define void @s_set_rounding_4() {
+; GFX678-LABEL: s_set_rounding_4:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 15
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_4:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 15
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_4:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0xf
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 4)
+  ret void
+}
+
+; undefined
+define void @s_set_rounding_5() {
+; GFX678-LABEL: s_set_rounding_5:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 0
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_5:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 0
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_5:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0x0
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 5)
+  ret void
+}
+
+; undefined
+define void @s_set_rounding_6() {
+; GFX678-LABEL: s_set_rounding_6:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 5
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_6:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 5
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_6:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0x5
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 6)
+  ret void
+}
+
+; "Dynamic"
+define void @s_set_rounding_7() {
+; GFX678-LABEL: s_set_rounding_7:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 10
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_7:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 10
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_7:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0xa
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 7)
+  ret void
+}
+
+; Invalid
+define void @s_set_rounding_neg1() {
+; GFX678-LABEL: s_set_rounding_neg1:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 11
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_neg1:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 11
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_neg1:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0xb
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 -1)
+  ret void
+}
+
+; --------------------------------------------------------------------
+; Test extended values
+; --------------------------------------------------------------------
+
+; NearestTiesToEvenF32_TowardPositiveF64 = 8
+define void @s_set_rounding_8() {
+; GFX678-LABEL: s_set_rounding_8:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 4
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_8:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 4
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_8:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0x4
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 8)
+  ret void
+}
+
+;  NearestTiesToEvenF32_TowardNegativeF64 = 9
+define void @s_set_rounding_9() {
+; GFX678-LABEL: s_set_rounding_9:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 8
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_9:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 8
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_9:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0x8
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 9)
+  ret void
+}
+
+; NearestTiesToEvenF32_TowardZeroF64 = 10
+define void @s_set_rounding_10() {
+; GFX678-LABEL: s_set_rounding_10:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 12
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_10:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 12
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_10:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0xc
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 10)
+  ret void
+}
+
+; TowardPositiveF32_NearestTiesToEvenF64 = 11
+define void @s_set_rounding_11() {
+; GFX678-LABEL: s_set_rounding_11:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 1
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_11:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 1
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_11:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0x1
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 11)
+  ret void
+}
+
+; TowardPositiveF32_TowardNegativeF64 = 12
+define void @s_set_rounding_12() {
+; GFX678-LABEL: s_set_rounding_12:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 9
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_12:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 9
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_12:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0x9
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 12)
+  ret void
+}
+
+; TowardPositiveF32_TowardZeroF64 = 13
+define void @s_set_rounding_13() {
+; GFX678-LABEL: s_set_rounding_13:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 13
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_13:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 13
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_13:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0xd
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 13)
+  ret void
+}
+
+;   TowardNegativeF32_NearestTiesToEvenF64 = 14
+define void @s_set_rounding_14() {
+; GFX678-LABEL: s_set_rounding_14:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 2
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_14:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 2
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_14:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0x2
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 14)
+  ret void
+}
+
+; TowardNegativeF32_TowardPositiveF64 = 15
+define void @s_set_rounding_15() {
+; GFX678-LABEL: s_set_rounding_15:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 6
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_15:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 6
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_15:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0x6
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 15)
+  ret void
+}
+
+
+; TowardNegativeF32_TowardZeroF64 = 16
+define void @s_set_rounding_16() {
+; GFX678-LABEL: s_set_rounding_16:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 14
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_16:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 14
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_16:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0xe
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 16)
+  ret void
+}
+
+;  TowardZeroF32_NearestTiesToEvenF64 = 17
+define void @s_set_rounding_17() {
+; GFX678-LABEL: s_set_rounding_17:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 3
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_17:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 3
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_17:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0x3
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 17)
+  ret void
+}
+
+; TowardZeroF32_TowardPositiveF64 = 18
+define void @s_set_rounding_18() {
+; GFX678-LABEL: s_set_rounding_18:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 7
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_18:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 7
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_18:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0x7
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 18)
+  ret void
+}
+
+; TowardZeroF32_TowardNegativeF64 = 19,
+define void @s_set_rounding_19() {
+; GFX678-LABEL: s_set_rounding_19:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 11
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_19:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 11
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_19:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0xb
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 19)
+  ret void
+}
+
+; Invalid, out of bounds
+define void @s_set_rounding_20() {
+; GFX678-LABEL: s_set_rounding_20:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 11
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_20:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 11
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_20:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0xb
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 20)
+  ret void
+}
+
+define void @s_set_rounding_0xffff() {
+; GFX678-LABEL: s_set_rounding_0xffff:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 11
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_0xffff:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 0, 4), 11
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1011-LABEL: s_set_rounding_0xffff:
+; GFX1011:       ; %bb.0:
+; GFX1011-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1011-NEXT:    s_round_mode 0xb
+; GFX1011-NEXT:    s_setpc_b64 s[30:31]
+  call void @llvm.set.rounding(i32 65535)
+  ret void
+}
+
+; --------------------------------------------------------------------
+; Test optimization knowing the value can only be in the standard
+; range
+; --------------------------------------------------------------------
+
+define amdgpu_gfx void @s_set_rounding_i2_zeroext(i2 zeroext inreg %rounding) {
+; GFX6-LABEL: s_set_rounding_i2_zeroext:
+; GFX6:       ; %bb.0:
+; GFX6-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX6-NEXT:    s_or_b32 s34, s4, -4
+; GFX6-NEXT:    s_cmp_lt_u32 s4, 4
+; GFX6-NEXT:    s_cselect_b32 s34, s4, s34
+; GFX6-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX6-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX6-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX6-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX6-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX6-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX7-LABEL: s_set_rounding_i2_zeroext:
+; GFX7:       ; %bb.0:
+; GFX7-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX7-NEXT:    s_or_b32 s34, s4, -4
+; GFX7-NEXT:    s_cmp_lt_u32 s4, 4
+; GFX7-NEXT:    s_cselect_b32 s34, s4, s34
+; GFX7-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX7-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX7-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX7-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX7-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX7-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX8-LABEL: s_set_rounding_i2_zeroext:
+; GFX8:       ; %bb.0:
+; GFX8-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX8-NEXT:    s_and_b32 s36, 0xffff, s4
+; GFX8-NEXT:    v_cmp_lt_u16_e64 s[34:35], s4, 4
+; GFX8-NEXT:    s_or_b32 s37, s36, -4
+; GFX8-NEXT:    s_and_b64 s[34:35], s[34:35], exec
+; GFX8-NEXT:    s_cselect_b32 s34, s36, s37
+; GFX8-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX8-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX8-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX8-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX8-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX8-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_i2_zeroext:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_and_b32 s36, 0xffff, s4
+; GFX9-NEXT:    v_cmp_lt_u16_e64 s[34:35], s4, 4
+; GFX9-NEXT:    s_or_b32 s37, s36, -4
+; GFX9-NEXT:    s_and_b64 s[34:35], s[34:35], exec
+; GFX9-NEXT:    s_cselect_b32 s34, s36, s37
+; GFX9-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX9-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX9-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX9-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX9-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX10-LABEL: s_set_rounding_i2_zeroext:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    v_cmp_lt_u16_e64 s34, s4, 4
+; GFX10-NEXT:    s_and_b32 s35, 0xffff, s4
+; GFX10-NEXT:    s_or_b32 s36, s35, -4
+; GFX10-NEXT:    s_and_b32 s34, s34, exec_lo
+; GFX10-NEXT:    s_cselect_b32 s34, s35, s36
+; GFX10-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX10-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX10-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX10-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX10-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX10-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX11-LABEL: s_set_rounding_i2_zeroext:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    v_cmp_lt_u16_e64 s0, s4, 4
+; GFX11-NEXT:    s_and_b32 s1, 0xffff, s4
+; GFX11-NEXT:    s_or_b32 s2, s1, -4
+; GFX11-NEXT:    s_and_b32 s0, s0, exec_lo
+; GFX11-NEXT:    s_cselect_b32 s0, s1, s2
+; GFX11-NEXT:    s_lshl_b32 s2, s0, 2
+; GFX11-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX11-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX11-NEXT:    s_lshr_b64 s[0:1], s[0:1], s2
+; GFX11-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+  %zext.rounding = zext i2 %rounding to i32
+  call void @llvm.set.rounding(i32 %zext.rounding)
+  ret void
+}
+
+define amdgpu_gfx void @s_set_rounding_i2_signext(i2 signext inreg %rounding) {
+; GFX6-LABEL: s_set_rounding_i2_signext:
+; GFX6:       ; %bb.0:
+; GFX6-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX6-NEXT:    s_add_i32 s34, s4, -4
+; GFX6-NEXT:    s_cmp_lt_u32 s4, 4
+; GFX6-NEXT:    s_cselect_b32 s34, s4, s34
+; GFX6-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX6-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX6-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX6-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX6-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX6-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX7-LABEL: s_set_rounding_i2_signext:
+; GFX7:       ; %bb.0:
+; GFX7-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX7-NEXT:    s_add_i32 s34, s4, -4
+; GFX7-NEXT:    s_cmp_lt_u32 s4, 4
+; GFX7-NEXT:    s_cselect_b32 s34, s4, s34
+; GFX7-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX7-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX7-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX7-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX7-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX7-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX8-LABEL: s_set_rounding_i2_signext:
+; GFX8:       ; %bb.0:
+; GFX8-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX8-NEXT:    s_sext_i32_i16 s34, s4
+; GFX8-NEXT:    s_add_i32 s35, s34, -4
+; GFX8-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX8-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX8-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX8-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX8-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX8-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX8-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX8-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_i2_signext:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_sext_i32_i16 s34, s4
+; GFX9-NEXT:    s_add_i32 s35, s34, -4
+; GFX9-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX9-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX9-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX9-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX9-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX9-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX9-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX10-LABEL: s_set_rounding_i2_signext:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    s_sext_i32_i16 s34, s4
+; GFX10-NEXT:    s_add_i32 s35, s34, -4
+; GFX10-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX10-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX10-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX10-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX10-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX10-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX10-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX10-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX11-LABEL: s_set_rounding_i2_signext:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    s_sext_i32_i16 s0, s4
+; GFX11-NEXT:    s_add_i32 s1, s0, -4
+; GFX11-NEXT:    s_cmp_lt_u32 s0, 4
+; GFX11-NEXT:    s_cselect_b32 s0, s0, s1
+; GFX11-NEXT:    s_lshl_b32 s2, s0, 2
+; GFX11-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX11-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX11-NEXT:    s_lshr_b64 s[0:1], s[0:1], s2
+; GFX11-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+  %sext.rounding = sext i2 %rounding to i32
+  call void @llvm.set.rounding(i32 %sext.rounding)
+  ret void
+}
+
+define amdgpu_gfx void @s_set_rounding_i3_signext(i3 signext inreg %rounding) {
+; GFX6-LABEL: s_set_rounding_i3_signext:
+; GFX6:       ; %bb.0:
+; GFX6-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX6-NEXT:    s_add_i32 s34, s4, -4
+; GFX6-NEXT:    s_cmp_lt_u32 s4, 4
+; GFX6-NEXT:    s_cselect_b32 s34, s4, s34
+; GFX6-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX6-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX6-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX6-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX6-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX6-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX7-LABEL: s_set_rounding_i3_signext:
+; GFX7:       ; %bb.0:
+; GFX7-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX7-NEXT:    s_add_i32 s34, s4, -4
+; GFX7-NEXT:    s_cmp_lt_u32 s4, 4
+; GFX7-NEXT:    s_cselect_b32 s34, s4, s34
+; GFX7-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX7-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX7-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX7-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX7-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX7-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX8-LABEL: s_set_rounding_i3_signext:
+; GFX8:       ; %bb.0:
+; GFX8-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX8-NEXT:    s_sext_i32_i16 s34, s4
+; GFX8-NEXT:    s_add_i32 s35, s34, -4
+; GFX8-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX8-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX8-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX8-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX8-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX8-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX8-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX8-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_i3_signext:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_sext_i32_i16 s34, s4
+; GFX9-NEXT:    s_add_i32 s35, s34, -4
+; GFX9-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX9-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX9-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX9-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX9-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX9-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX9-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX10-LABEL: s_set_rounding_i3_signext:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    s_sext_i32_i16 s34, s4
+; GFX10-NEXT:    s_add_i32 s35, s34, -4
+; GFX10-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX10-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX10-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX10-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX10-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX10-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX10-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX10-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX11-LABEL: s_set_rounding_i3_signext:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    s_sext_i32_i16 s0, s4
+; GFX11-NEXT:    s_add_i32 s1, s0, -4
+; GFX11-NEXT:    s_cmp_lt_u32 s0, 4
+; GFX11-NEXT:    s_cselect_b32 s0, s0, s1
+; GFX11-NEXT:    s_lshl_b32 s2, s0, 2
+; GFX11-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX11-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX11-NEXT:    s_lshr_b64 s[0:1], s[0:1], s2
+; GFX11-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+  %sext.rounding = sext i3 %rounding to i32
+  call void @llvm.set.rounding(i32 %sext.rounding)
+  ret void
+}
+
+define amdgpu_gfx void @s_set_rounding_i3_zeroext(i3 zeroext inreg %rounding) {
+; GFX6-LABEL: s_set_rounding_i3_zeroext:
+; GFX6:       ; %bb.0:
+; GFX6-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX6-NEXT:    s_add_i32 s34, s4, -4
+; GFX6-NEXT:    s_cmp_lt_u32 s4, 4
+; GFX6-NEXT:    s_cselect_b32 s34, s4, s34
+; GFX6-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX6-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX6-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX6-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX6-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX6-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX7-LABEL: s_set_rounding_i3_zeroext:
+; GFX7:       ; %bb.0:
+; GFX7-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX7-NEXT:    s_add_i32 s34, s4, -4
+; GFX7-NEXT:    s_cmp_lt_u32 s4, 4
+; GFX7-NEXT:    s_cselect_b32 s34, s4, s34
+; GFX7-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX7-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX7-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX7-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX7-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX7-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX8-LABEL: s_set_rounding_i3_zeroext:
+; GFX8:       ; %bb.0:
+; GFX8-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX8-NEXT:    s_and_b32 s36, 0xffff, s4
+; GFX8-NEXT:    v_cmp_lt_u16_e64 s[34:35], s4, 4
+; GFX8-NEXT:    s_add_i32 s37, s36, -4
+; GFX8-NEXT:    s_and_b64 s[34:35], s[34:35], exec
+; GFX8-NEXT:    s_cselect_b32 s34, s36, s37
+; GFX8-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX8-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX8-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX8-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX8-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX8-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_i3_zeroext:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_and_b32 s36, 0xffff, s4
+; GFX9-NEXT:    v_cmp_lt_u16_e64 s[34:35], s4, 4
+; GFX9-NEXT:    s_add_i32 s37, s36, -4
+; GFX9-NEXT:    s_and_b64 s[34:35], s[34:35], exec
+; GFX9-NEXT:    s_cselect_b32 s34, s36, s37
+; GFX9-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX9-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX9-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX9-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX9-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX10-LABEL: s_set_rounding_i3_zeroext:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    v_cmp_lt_u16_e64 s34, s4, 4
+; GFX10-NEXT:    s_and_b32 s35, 0xffff, s4
+; GFX10-NEXT:    s_add_i32 s36, s35, -4
+; GFX10-NEXT:    s_and_b32 s34, s34, exec_lo
+; GFX10-NEXT:    s_cselect_b32 s34, s35, s36
+; GFX10-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX10-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX10-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX10-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX10-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX10-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX11-LABEL: s_set_rounding_i3_zeroext:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    v_cmp_lt_u16_e64 s0, s4, 4
+; GFX11-NEXT:    s_and_b32 s1, 0xffff, s4
+; GFX11-NEXT:    s_add_i32 s2, s1, -4
+; GFX11-NEXT:    s_and_b32 s0, s0, exec_lo
+; GFX11-NEXT:    s_cselect_b32 s0, s1, s2
+; GFX11-NEXT:    s_lshl_b32 s2, s0, 2
+; GFX11-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX11-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX11-NEXT:    s_lshr_b64 s[0:1], s[0:1], s2
+; GFX11-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+  %sext.rounding = zext i3 %rounding to i32
+  call void @llvm.set.rounding(i32 %sext.rounding)
+  ret void
+}
+
+define amdgpu_gfx void @s_set_rounding_select_0_1(i32 inreg %cond) {
+; GFX6-LABEL: s_set_rounding_select_0_1:
+; GFX6:       ; %bb.0:
+; GFX6-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX6-NEXT:    s_cmp_lg_u32 s4, 0
+; GFX6-NEXT:    s_cselect_b64 s[34:35], -1, 0
+; GFX6-NEXT:    v_cndmask_b32_e64 v0, 0, 1, s[34:35]
+; GFX6-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX6-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX6-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX6-NEXT:    v_lshr_b64 v[0:1], s[34:35], v0
+; GFX6-NEXT:    v_readfirstlane_b32 s34, v0
+; GFX6-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX6-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX7-LABEL: s_set_rounding_select_0_1:
+; GFX7:       ; %bb.0:
+; GFX7-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX7-NEXT:    s_cmp_lg_u32 s4, 0
+; GFX7-NEXT:    s_cselect_b64 s[34:35], -1, 0
+; GFX7-NEXT:    v_cndmask_b32_e64 v0, 0, 1, s[34:35]
+; GFX7-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX7-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX7-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX7-NEXT:    v_lshr_b64 v[0:1], s[34:35], v0
+; GFX7-NEXT:    v_readfirstlane_b32 s34, v0
+; GFX7-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX7-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX8-LABEL: s_set_rounding_select_0_1:
+; GFX8:       ; %bb.0:
+; GFX8-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX8-NEXT:    s_cmp_lg_u32 s4, 0
+; GFX8-NEXT:    s_cselect_b64 s[34:35], -1, 0
+; GFX8-NEXT:    v_cndmask_b32_e64 v0, 0, 1, s[34:35]
+; GFX8-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX8-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX8-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX8-NEXT:    v_lshrrev_b64 v[0:1], v0, s[34:35]
+; GFX8-NEXT:    v_readfirstlane_b32 s34, v0
+; GFX8-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX8-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_select_0_1:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_cmp_lg_u32 s4, 0
+; GFX9-NEXT:    s_cselect_b64 s[34:35], -1, 0
+; GFX9-NEXT:    v_cndmask_b32_e64 v0, 0, 1, s[34:35]
+; GFX9-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX9-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX9-NEXT:    v_lshrrev_b64 v[0:1], v0, s[34:35]
+; GFX9-NEXT:    v_readfirstlane_b32 s34, v0
+; GFX9-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX10-LABEL: s_set_rounding_select_0_1:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    s_cmp_lg_u32 s4, 0
+; GFX10-NEXT:    s_cselect_b32 s34, -1, 0
+; GFX10-NEXT:    v_cndmask_b32_e64 v0, 0, 1, s34
+; GFX10-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX10-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX10-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX10-NEXT:    v_lshrrev_b64 v[0:1], v0, s[34:35]
+; GFX10-NEXT:    v_readfirstlane_b32 s34, v0
+; GFX10-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX10-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX11-LABEL: s_set_rounding_select_0_1:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    s_cmp_lg_u32 s4, 0
+; GFX11-NEXT:    s_cselect_b32 s0, -1, 0
+; GFX11-NEXT:    v_cndmask_b32_e64 v0, 0, 1, s0
+; GFX11-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX11-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX11-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX11-NEXT:    v_lshrrev_b64 v[0:1], v0, s[0:1]
+; GFX11-NEXT:    v_readfirstlane_b32 s0, v0
+; GFX11-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+  %cmp = icmp eq i32 %cond, 0
+  %rounding = select i1 %cmp, i32 0, i32 1
+  call void @llvm.set.rounding(i32 %rounding)
+  ret void
+}
+
+define amdgpu_gfx void @s_set_rounding_select_1_3(i32 inreg %cond) {
+; GFX678-LABEL: s_set_rounding_select_1_3:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX678-NEXT:    s_cselect_b32 s34, 1, 3
+; GFX678-NEXT:    s_or_b32 s35, s34, -4
+; GFX678-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX678-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX678-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX678-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX678-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX678-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX678-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_select_1_3:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX9-NEXT:    s_cselect_b32 s34, 1, 3
+; GFX9-NEXT:    s_or_b32 s35, s34, -4
+; GFX9-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX9-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX9-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX9-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX9-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX9-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX9-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX10-LABEL: s_set_rounding_select_1_3:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX10-NEXT:    s_cselect_b32 s34, 1, 3
+; GFX10-NEXT:    s_or_b32 s35, s34, -4
+; GFX10-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX10-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX10-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX10-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX10-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX10-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX10-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX10-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX11-LABEL: s_set_rounding_select_1_3:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX11-NEXT:    s_cselect_b32 s0, 1, 3
+; GFX11-NEXT:    s_or_b32 s1, s0, -4
+; GFX11-NEXT:    s_cmp_lt_u32 s0, 4
+; GFX11-NEXT:    s_cselect_b32 s0, s0, s1
+; GFX11-NEXT:    s_lshl_b32 s2, s0, 2
+; GFX11-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX11-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX11-NEXT:    s_lshr_b64 s[0:1], s[0:1], s2
+; GFX11-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+  %cmp = icmp eq i32 %cond, 0
+  %rounding = select i1 %cmp, i32 1, i32 3
+  call void @llvm.set.rounding(i32 %rounding)
+  ret void
+}
+
+define void @v_set_rounding_select_1_3(i32 %cond) {
+; GFX6-LABEL: v_set_rounding_select_1_3:
+; GFX6:       ; %bb.0:
+; GFX6-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX6-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
+; GFX6-NEXT:    v_cndmask_b32_e64 v0, 3, 1, vcc
+; GFX6-NEXT:    v_or_b32_e32 v1, -4, v0
+; GFX6-NEXT:    v_cmp_gt_u32_e32 vcc, 4, v0
+; GFX6-NEXT:    v_cndmask_b32_e32 v0, v1, v0, vcc
+; GFX6-NEXT:    s_mov_b32 s4, 0x1c84a50f
+; GFX6-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX6-NEXT:    s_mov_b32 s5, 0xb73e62d9
+; GFX6-NEXT:    v_lshr_b64 v[0:1], s[4:5], v0
+; GFX6-NEXT:    v_readfirstlane_b32 s4, v0
+; GFX6-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s4
+; GFX6-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX7-LABEL: v_set_rounding_select_1_3:
+; GFX7:       ; %bb.0:
+; GFX7-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX7-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
+; GFX7-NEXT:    v_cndmask_b32_e64 v0, 3, 1, vcc
+; GFX7-NEXT:    v_or_b32_e32 v1, -4, v0
+; GFX7-NEXT:    v_cmp_gt_u32_e32 vcc, 4, v0
+; GFX7-NEXT:    v_cndmask_b32_e32 v0, v1, v0, vcc
+; GFX7-NEXT:    s_mov_b32 s4, 0x1c84a50f
+; GFX7-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX7-NEXT:    s_mov_b32 s5, 0xb73e62d9
+; GFX7-NEXT:    v_lshr_b64 v[0:1], s[4:5], v0
+; GFX7-NEXT:    v_readfirstlane_b32 s4, v0
+; GFX7-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s4
+; GFX7-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX8-LABEL: v_set_rounding_select_1_3:
+; GFX8:       ; %bb.0:
+; GFX8-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX8-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
+; GFX8-NEXT:    v_cndmask_b32_e64 v0, 3, 1, vcc
+; GFX8-NEXT:    v_or_b32_e32 v1, -4, v0
+; GFX8-NEXT:    v_cmp_gt_u32_e32 vcc, 4, v0
+; GFX8-NEXT:    v_cndmask_b32_e32 v0, v1, v0, vcc
+; GFX8-NEXT:    s_mov_b32 s4, 0x1c84a50f
+; GFX8-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX8-NEXT:    s_mov_b32 s5, 0xb73e62d9
+; GFX8-NEXT:    v_lshrrev_b64 v[0:1], v0, s[4:5]
+; GFX8-NEXT:    v_readfirstlane_b32 s4, v0
+; GFX8-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s4
+; GFX8-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: v_set_rounding_select_1_3:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
+; GFX9-NEXT:    v_cndmask_b32_e64 v0, 3, 1, vcc
+; GFX9-NEXT:    v_or_b32_e32 v1, -4, v0
+; GFX9-NEXT:    v_cmp_gt_u32_e32 vcc, 4, v0
+; GFX9-NEXT:    v_cndmask_b32_e32 v0, v1, v0, vcc
+; GFX9-NEXT:    s_mov_b32 s4, 0x1c84a50f
+; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX9-NEXT:    s_mov_b32 s5, 0xb73e62d9
+; GFX9-NEXT:    v_lshrrev_b64 v[0:1], v0, s[4:5]
+; GFX9-NEXT:    v_readfirstlane_b32 s4, v0
+; GFX9-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s4
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX10-LABEL: v_set_rounding_select_1_3:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v0
+; GFX10-NEXT:    s_mov_b32 s4, 0x1c84a50f
+; GFX10-NEXT:    s_mov_b32 s5, 0xb73e62d9
+; GFX10-NEXT:    v_cndmask_b32_e64 v0, 3, 1, vcc_lo
+; GFX10-NEXT:    v_or_b32_e32 v1, -4, v0
+; GFX10-NEXT:    v_cmp_gt_u32_e32 vcc_lo, 4, v0
+; GFX10-NEXT:    v_cndmask_b32_e32 v0, v1, v0, vcc_lo
+; GFX10-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX10-NEXT:    v_lshrrev_b64 v[0:1], v0, s[4:5]
+; GFX10-NEXT:    v_readfirstlane_b32 s4, v0
+; GFX10-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s4
+; GFX10-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX11-LABEL: v_set_rounding_select_1_3:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v0
+; GFX11-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX11-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX11-NEXT:    v_cndmask_b32_e64 v0, 3, 1, vcc_lo
+; GFX11-NEXT:    v_or_b32_e32 v1, -4, v0
+; GFX11-NEXT:    v_cmp_gt_u32_e32 vcc_lo, 4, v0
+; GFX11-NEXT:    v_cndmask_b32_e32 v0, v1, v0, vcc_lo
+; GFX11-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX11-NEXT:    v_lshrrev_b64 v[0:1], v0, s[0:1]
+; GFX11-NEXT:    v_readfirstlane_b32 s0, v0
+; GFX11-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+  %cmp = icmp eq i32 %cond, 0
+  %rounding = select i1 %cmp, i32 1, i32 3
+  call void @llvm.set.rounding(i32 %rounding)
+  ret void
+}
+
+define amdgpu_gfx void @s_set_rounding_select_2_0(i32 inreg %cond) {
+; GFX678-LABEL: s_set_rounding_select_2_0:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX678-NEXT:    s_cselect_b64 s[34:35], -1, 0
+; GFX678-NEXT:    v_cndmask_b32_e64 v0, 0, 1, s[34:35]
+; GFX678-NEXT:    v_readfirstlane_b32 s34, v0
+; GFX678-NEXT:    s_lshl_b32 s34, s34, 1
+; GFX678-NEXT:    s_or_b32 s35, s34, -4
+; GFX678-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX678-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX678-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX678-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX678-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX678-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX678-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_select_2_0:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX9-NEXT:    s_cselect_b64 s[34:35], -1, 0
+; GFX9-NEXT:    v_cndmask_b32_e64 v0, 0, 1, s[34:35]
+; GFX9-NEXT:    v_readfirstlane_b32 s34, v0
+; GFX9-NEXT:    s_lshl_b32 s34, s34, 1
+; GFX9-NEXT:    s_or_b32 s35, s34, -4
+; GFX9-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX9-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX9-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX9-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX9-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX9-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX9-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX10-LABEL: s_set_rounding_select_2_0:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX10-NEXT:    s_cselect_b32 s34, -1, 0
+; GFX10-NEXT:    v_cndmask_b32_e64 v0, 0, 1, s34
+; GFX10-NEXT:    v_readfirstlane_b32 s34, v0
+; GFX10-NEXT:    s_lshl_b32 s34, s34, 1
+; GFX10-NEXT:    s_or_b32 s35, s34, -4
+; GFX10-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX10-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX10-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX10-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX10-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX10-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX10-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX10-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX11-LABEL: s_set_rounding_select_2_0:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX11-NEXT:    s_cselect_b32 s0, -1, 0
+; GFX11-NEXT:    v_cndmask_b32_e64 v0, 0, 1, s0
+; GFX11-NEXT:    v_readfirstlane_b32 s0, v0
+; GFX11-NEXT:    s_lshl_b32 s0, s0, 1
+; GFX11-NEXT:    s_or_b32 s1, s0, -4
+; GFX11-NEXT:    s_cmp_lt_u32 s0, 4
+; GFX11-NEXT:    s_cselect_b32 s0, s0, s1
+; GFX11-NEXT:    s_lshl_b32 s2, s0, 2
+; GFX11-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX11-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX11-NEXT:    s_lshr_b64 s[0:1], s[0:1], s2
+; GFX11-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+  %cmp = icmp eq i32 %cond, 0
+  %rounding = select i1 %cmp, i32 2, i32 0
+  call void @llvm.set.rounding(i32 %rounding)
+  ret void
+}
+
+define amdgpu_gfx void @s_set_rounding_select_2_1(i32 inreg %cond) {
+; GFX678-LABEL: s_set_rounding_select_2_1:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX678-NEXT:    s_cselect_b32 s34, 2, 1
+; GFX678-NEXT:    s_or_b32 s35, s34, -4
+; GFX678-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX678-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX678-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX678-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX678-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX678-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX678-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_select_2_1:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX9-NEXT:    s_cselect_b32 s34, 2, 1
+; GFX9-NEXT:    s_or_b32 s35, s34, -4
+; GFX9-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX9-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX9-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX9-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX9-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX9-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX9-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX10-LABEL: s_set_rounding_select_2_1:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX10-NEXT:    s_cselect_b32 s34, 2, 1
+; GFX10-NEXT:    s_or_b32 s35, s34, -4
+; GFX10-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX10-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX10-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX10-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX10-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX10-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX10-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX10-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX11-LABEL: s_set_rounding_select_2_1:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX11-NEXT:    s_cselect_b32 s0, 2, 1
+; GFX11-NEXT:    s_or_b32 s1, s0, -4
+; GFX11-NEXT:    s_cmp_lt_u32 s0, 4
+; GFX11-NEXT:    s_cselect_b32 s0, s0, s1
+; GFX11-NEXT:    s_lshl_b32 s2, s0, 2
+; GFX11-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX11-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX11-NEXT:    s_lshr_b64 s[0:1], s[0:1], s2
+; GFX11-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+  %cmp = icmp eq i32 %cond, 0
+  %rounding = select i1 %cmp, i32 2, i32 1
+  call void @llvm.set.rounding(i32 %rounding)
+  ret void
+}
+
+define amdgpu_gfx void @s_set_rounding_select_1_2(i32 inreg %cond) {
+; GFX678-LABEL: s_set_rounding_select_1_2:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX678-NEXT:    s_cselect_b32 s34, 1, 2
+; GFX678-NEXT:    s_or_b32 s35, s34, -4
+; GFX678-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX678-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX678-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX678-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX678-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX678-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX678-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_select_1_2:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX9-NEXT:    s_cselect_b32 s34, 1, 2
+; GFX9-NEXT:    s_or_b32 s35, s34, -4
+; GFX9-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX9-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX9-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX9-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX9-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX9-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX9-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX10-LABEL: s_set_rounding_select_1_2:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX10-NEXT:    s_cselect_b32 s34, 1, 2
+; GFX10-NEXT:    s_or_b32 s35, s34, -4
+; GFX10-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX10-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX10-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX10-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX10-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX10-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX10-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX10-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX11-LABEL: s_set_rounding_select_1_2:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX11-NEXT:    s_cselect_b32 s0, 1, 2
+; GFX11-NEXT:    s_or_b32 s1, s0, -4
+; GFX11-NEXT:    s_cmp_lt_u32 s0, 4
+; GFX11-NEXT:    s_cselect_b32 s0, s0, s1
+; GFX11-NEXT:    s_lshl_b32 s2, s0, 2
+; GFX11-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX11-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX11-NEXT:    s_lshr_b64 s[0:1], s[0:1], s2
+; GFX11-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+  %cmp = icmp eq i32 %cond, 0
+  %rounding = select i1 %cmp, i32 1, i32 2
+  call void @llvm.set.rounding(i32 %rounding)
+  ret void
+}
+
+define amdgpu_gfx void @s_set_rounding_select_3_0(i32 inreg %cond) {
+; GFX678-LABEL: s_set_rounding_select_3_0:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX678-NEXT:    s_cselect_b32 s34, 3, 0
+; GFX678-NEXT:    s_or_b32 s35, s34, -4
+; GFX678-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX678-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX678-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX678-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX678-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX678-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX678-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_select_3_0:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX9-NEXT:    s_cselect_b32 s34, 3, 0
+; GFX9-NEXT:    s_or_b32 s35, s34, -4
+; GFX9-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX9-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX9-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX9-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX9-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX9-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX9-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX10-LABEL: s_set_rounding_select_3_0:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX10-NEXT:    s_cselect_b32 s34, 3, 0
+; GFX10-NEXT:    s_or_b32 s35, s34, -4
+; GFX10-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX10-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX10-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX10-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX10-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX10-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX10-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX10-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX11-LABEL: s_set_rounding_select_3_0:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX11-NEXT:    s_cselect_b32 s0, 3, 0
+; GFX11-NEXT:    s_or_b32 s1, s0, -4
+; GFX11-NEXT:    s_cmp_lt_u32 s0, 4
+; GFX11-NEXT:    s_cselect_b32 s0, s0, s1
+; GFX11-NEXT:    s_lshl_b32 s2, s0, 2
+; GFX11-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX11-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX11-NEXT:    s_lshr_b64 s[0:1], s[0:1], s2
+; GFX11-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+  %cmp = icmp eq i32 %cond, 0
+  %rounding = select i1 %cmp, i32 3, i32 0
+  call void @llvm.set.rounding(i32 %rounding)
+  ret void
+}
+
+define amdgpu_gfx void @s_set_rounding_select_4_0(i32 inreg %cond) {
+; GFX678-LABEL: s_set_rounding_select_4_0:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX678-NEXT:    s_cselect_b64 s[34:35], -1, 0
+; GFX678-NEXT:    v_cndmask_b32_e64 v0, 0, 1, s[34:35]
+; GFX678-NEXT:    v_readfirstlane_b32 s34, v0
+; GFX678-NEXT:    s_lshl_b32 s34, s34, 2
+; GFX678-NEXT:    s_add_i32 s35, s34, -4
+; GFX678-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX678-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX678-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX678-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX678-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX678-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX678-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_select_4_0:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX9-NEXT:    s_cselect_b64 s[34:35], -1, 0
+; GFX9-NEXT:    v_cndmask_b32_e64 v0, 0, 1, s[34:35]
+; GFX9-NEXT:    v_readfirstlane_b32 s34, v0
+; GFX9-NEXT:    s_lshl_b32 s34, s34, 2
+; GFX9-NEXT:    s_add_i32 s35, s34, -4
+; GFX9-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX9-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX9-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX9-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX9-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX9-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX9-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX10-LABEL: s_set_rounding_select_4_0:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX10-NEXT:    s_cselect_b32 s34, -1, 0
+; GFX10-NEXT:    v_cndmask_b32_e64 v0, 0, 1, s34
+; GFX10-NEXT:    v_readfirstlane_b32 s34, v0
+; GFX10-NEXT:    s_lshl_b32 s34, s34, 2
+; GFX10-NEXT:    s_add_i32 s35, s34, -4
+; GFX10-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX10-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX10-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX10-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX10-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX10-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX10-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX10-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX11-LABEL: s_set_rounding_select_4_0:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX11-NEXT:    s_cselect_b32 s0, -1, 0
+; GFX11-NEXT:    v_cndmask_b32_e64 v0, 0, 1, s0
+; GFX11-NEXT:    v_readfirstlane_b32 s0, v0
+; GFX11-NEXT:    s_lshl_b32 s0, s0, 2
+; GFX11-NEXT:    s_add_i32 s1, s0, -4
+; GFX11-NEXT:    s_cmp_lt_u32 s0, 4
+; GFX11-NEXT:    s_cselect_b32 s0, s0, s1
+; GFX11-NEXT:    s_lshl_b32 s2, s0, 2
+; GFX11-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX11-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX11-NEXT:    s_lshr_b64 s[0:1], s[0:1], s2
+; GFX11-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+  %cmp = icmp eq i32 %cond, 0
+  %rounding = select i1 %cmp, i32 4, i32 0
+  call void @llvm.set.rounding(i32 %rounding)
+  ret void
+}
+
+define amdgpu_gfx void @s_set_rounding_select_3_5(i32 inreg %cond) {
+; GFX678-LABEL: s_set_rounding_select_3_5:
+; GFX678:       ; %bb.0:
+; GFX678-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX678-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX678-NEXT:    s_cselect_b32 s34, 3, 5
+; GFX678-NEXT:    s_add_i32 s35, s34, -4
+; GFX678-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX678-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX678-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX678-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX678-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX678-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX678-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX678-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX9-LABEL: s_set_rounding_select_3_5:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX9-NEXT:    s_cselect_b32 s34, 3, 5
+; GFX9-NEXT:    s_add_i32 s35, s34, -4
+; GFX9-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX9-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX9-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX9-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX9-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX9-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX9-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX10-LABEL: s_set_rounding_select_3_5:
+; GFX10:       ; %bb.0:
+; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX10-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX10-NEXT:    s_cselect_b32 s34, 3, 5
+; GFX10-NEXT:    s_add_i32 s35, s34, -4
+; GFX10-NEXT:    s_cmp_lt_u32 s34, 4
+; GFX10-NEXT:    s_cselect_b32 s34, s34, s35
+; GFX10-NEXT:    s_lshl_b32 s36, s34, 2
+; GFX10-NEXT:    s_mov_b32 s34, 0x1c84a50f
+; GFX10-NEXT:    s_mov_b32 s35, 0xb73e62d9
+; GFX10-NEXT:    s_lshr_b64 s[34:35], s[34:35], s36
+; GFX10-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s34
+; GFX10-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX11-LABEL: s_set_rounding_select_3_5:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX11-NEXT:    s_cmp_eq_u32 s4, 0
+; GFX11-NEXT:    s_cselect_b32 s0, 3, 5
+; GFX11-NEXT:    s_add_i32 s1, s0, -4
+; GFX11-NEXT:    s_cmp_lt_u32 s0, 4
+; GFX11-NEXT:    s_cselect_b32 s0, s0, s1
+; GFX11-NEXT:    s_lshl_b32 s2, s0, 2
+; GFX11-NEXT:    s_mov_b32 s0, 0x1c84a50f
+; GFX11-NEXT:    s_mov_b32 s1, 0xb73e62d9
+; GFX11-NEXT:    s_lshr_b64 s[0:1], s[0:1], s2
+; GFX11-NEXT:    s_setreg_b32 hwreg(HW_REG_MODE, 0, 4), s0
+; GFX11-NEXT:    s_setpc_b64 s[30:31]
+  %cmp = icmp eq i32 %cond, 0
+  %rounding = select i1 %cmp, i32 3, i32 5
+  call void @llvm.set.rounding(i32 %rounding)
+  ret void
+}
+
+;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
+; GCN: {{.*}}


        


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