[llvm] r321359 - [AMDGPU][MC] Added support of 256- and 512-bit tuples of ttmp registers
Dmitry Preobrazhensky via llvm-commits
llvm-commits at lists.llvm.org
Fri Dec 22 07:18:06 PST 2017
Author: dpreobra
Date: Fri Dec 22 07:18:06 2017
New Revision: 321359
URL: http://llvm.org/viewvc/llvm-project?rev=321359&view=rev
Log:
[AMDGPU][MC] Added support of 256- and 512-bit tuples of ttmp registers
See bug 35561: https://bugs.llvm.org/show_bug.cgi?id=35561
This patch also affects implementation of SGPR and VGPR registers though changes are cosmetic.
Reviewers: artem.tamazov, arsenm
Differential Revision: https://reviews.llvm.org/D41437
Modified:
llvm/trunk/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp
llvm/trunk/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
llvm/trunk/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp
llvm/trunk/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.h
llvm/trunk/lib/Target/AMDGPU/InstPrinter/AMDGPUInstPrinter.cpp
llvm/trunk/lib/Target/AMDGPU/SIRegisterInfo.td
llvm/trunk/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
llvm/trunk/test/MC/AMDGPU/trap.s
llvm/trunk/test/MC/Disassembler/AMDGPU/trap_gfx9.txt
llvm/trunk/test/MC/Disassembler/AMDGPU/trap_vi.txt
Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp?rev=321359&r1=321358&r2=321359&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp Fri Dec 22 07:18:06 2017
@@ -695,18 +695,24 @@ AMDGPUAsmPrinter::SIFunctionResourceInfo
IsSGPR = false;
Width = 3;
} else if (AMDGPU::SReg_128RegClass.contains(Reg)) {
+ assert(!AMDGPU::TTMP_128RegClass.contains(Reg) &&
+ "trap handler registers should not be used");
IsSGPR = true;
Width = 4;
} else if (AMDGPU::VReg_128RegClass.contains(Reg)) {
IsSGPR = false;
Width = 4;
} else if (AMDGPU::SReg_256RegClass.contains(Reg)) {
+ assert(!AMDGPU::TTMP_256RegClass.contains(Reg) &&
+ "trap handler registers should not be used");
IsSGPR = true;
Width = 8;
} else if (AMDGPU::VReg_256RegClass.contains(Reg)) {
IsSGPR = false;
Width = 8;
} else if (AMDGPU::SReg_512RegClass.contains(Reg)) {
+ assert(!AMDGPU::TTMP_512RegClass.contains(Reg) &&
+ "trap handler registers should not be used");
IsSGPR = true;
Width = 16;
} else if (AMDGPU::VReg_512RegClass.contains(Reg)) {
Modified: llvm/trunk/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp?rev=321359&r1=321358&r2=321359&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp Fri Dec 22 07:18:06 2017
@@ -1495,6 +1495,8 @@ static int getRegClass(RegisterKind Is,
case 1: return AMDGPU::TTMP_32RegClassID;
case 2: return AMDGPU::TTMP_64RegClassID;
case 4: return AMDGPU::TTMP_128RegClassID;
+ case 8: return AMDGPU::TTMP_256RegClassID;
+ case 16: return AMDGPU::TTMP_512RegClassID;
}
} else if (Is == IS_SGPR) {
switch (RegWidth) {
@@ -1502,8 +1504,8 @@ static int getRegClass(RegisterKind Is,
case 1: return AMDGPU::SGPR_32RegClassID;
case 2: return AMDGPU::SGPR_64RegClassID;
case 4: return AMDGPU::SGPR_128RegClassID;
- case 8: return AMDGPU::SReg_256RegClassID;
- case 16: return AMDGPU::SReg_512RegClassID;
+ case 8: return AMDGPU::SGPR_256RegClassID;
+ case 16: return AMDGPU::SGPR_512RegClassID;
}
}
return -1;
Modified: llvm/trunk/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp?rev=321359&r1=321358&r2=321359&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp Fri Dec 22 07:18:06 2017
@@ -348,10 +348,12 @@ MCOperand AMDGPUDisassembler::createSReg
case AMDGPU::TTMP_128RegClassID:
// ToDo: unclear if s[100:104] is available on VI. Can we use VCC as SGPR in
// this bundle?
- case AMDGPU::SReg_256RegClassID:
- // ToDo: unclear if s[96:104] is available on VI. Can we use VCC as SGPR in
+ case AMDGPU::SGPR_256RegClassID:
+ case AMDGPU::TTMP_256RegClassID:
+ // ToDo: unclear if s[96:104] is available on VI. Can we use VCC as SGPR in
// this bundle?
- case AMDGPU::SReg_512RegClassID:
+ case AMDGPU::SGPR_512RegClassID:
+ case AMDGPU::TTMP_512RegClassID:
shift = 2;
break;
// ToDo: unclear if s[88:104] is available on VI. Can we use VCC as SGPR in
@@ -441,11 +443,11 @@ MCOperand AMDGPUDisassembler::decodeOper
}
MCOperand AMDGPUDisassembler::decodeOperand_SReg_256(unsigned Val) const {
- return createSRegOperand(AMDGPU::SReg_256RegClassID, Val);
+ return decodeDstOp(OPW256, Val);
}
MCOperand AMDGPUDisassembler::decodeOperand_SReg_512(unsigned Val) const {
- return createSRegOperand(AMDGPU::SReg_512RegClassID, Val);
+ return decodeDstOp(OPW512, Val);
}
MCOperand AMDGPUDisassembler::decodeLiteralConstant() const {
@@ -593,6 +595,8 @@ unsigned AMDGPUDisassembler::getSgprClas
return SGPR_32RegClassID;
case OPW64: return SGPR_64RegClassID;
case OPW128: return SGPR_128RegClassID;
+ case OPW256: return SGPR_256RegClassID;
+ case OPW512: return SGPR_512RegClassID;
}
}
@@ -608,6 +612,8 @@ unsigned AMDGPUDisassembler::getTtmpClas
return TTMP_32RegClassID;
case OPW64: return TTMP_64RegClassID;
case OPW128: return TTMP_128RegClassID;
+ case OPW256: return TTMP_256RegClassID;
+ case OPW512: return TTMP_512RegClassID;
}
}
@@ -659,6 +665,25 @@ MCOperand AMDGPUDisassembler::decodeSrcO
}
}
+MCOperand AMDGPUDisassembler::decodeDstOp(const OpWidthTy Width, unsigned Val) const {
+ using namespace AMDGPU::EncValues;
+
+ assert(Val < 128);
+ assert(Width == OPW256 || Width == OPW512);
+
+ if (Val <= SGPR_MAX) {
+ assert(SGPR_MIN == 0); // "SGPR_MIN <= Val" is always true and causes compilation warning.
+ return createSRegOperand(getSgprClassId(Width), Val - SGPR_MIN);
+ }
+
+ int TTmpIdx = getTTmpIdx(Val);
+ if (TTmpIdx >= 0) {
+ return createSRegOperand(getTtmpClassId(Width), TTmpIdx);
+ }
+
+ llvm_unreachable("unknown dst register");
+}
+
MCOperand AMDGPUDisassembler::decodeSpecialReg32(unsigned Val) const {
using namespace AMDGPU;
Modified: llvm/trunk/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.h?rev=321359&r1=321358&r2=321359&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.h (original)
+++ llvm/trunk/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.h Fri Dec 22 07:18:06 2017
@@ -95,6 +95,8 @@ public:
OPW32,
OPW64,
OPW128,
+ OPW256,
+ OPW512,
OPW16,
OPWV216,
OPW_LAST_,
@@ -110,6 +112,7 @@ public:
MCOperand decodeLiteralConstant() const;
MCOperand decodeSrcOp(const OpWidthTy Width, unsigned Val) const;
+ MCOperand decodeDstOp(const OpWidthTy Width, unsigned Val) const;
MCOperand decodeSpecialReg32(unsigned Val) const;
MCOperand decodeSpecialReg64(unsigned Val) const;
Modified: llvm/trunk/lib/Target/AMDGPU/InstPrinter/AMDGPUInstPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/InstPrinter/AMDGPUInstPrinter.cpp?rev=321359&r1=321358&r2=321359&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/InstPrinter/AMDGPUInstPrinter.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/InstPrinter/AMDGPUInstPrinter.cpp Fri Dec 22 07:18:06 2017
@@ -335,13 +335,13 @@ void AMDGPUInstPrinter::printRegOperand(
} else if (MRI.getRegClass(AMDGPU::VReg_256RegClassID).contains(RegNo)) {
O << 'v';
NumRegs = 8;
- } else if (MRI.getRegClass(AMDGPU::SReg_256RegClassID).contains(RegNo)) {
+ } else if (MRI.getRegClass(AMDGPU::SGPR_256RegClassID).contains(RegNo)) {
O << 's';
NumRegs = 8;
} else if (MRI.getRegClass(AMDGPU::VReg_512RegClassID).contains(RegNo)) {
O << 'v';
NumRegs = 16;
- } else if (MRI.getRegClass(AMDGPU::SReg_512RegClassID).contains(RegNo)) {
+ } else if (MRI.getRegClass(AMDGPU::SGPR_512RegClassID).contains(RegNo)) {
O << 's';
NumRegs = 16;
} else {
Modified: llvm/trunk/lib/Target/AMDGPU/SIRegisterInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/SIRegisterInfo.td?rev=321359&r1=321358&r2=321359&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/SIRegisterInfo.td (original)
+++ llvm/trunk/lib/Target/AMDGPU/SIRegisterInfo.td Fri Dec 22 07:18:06 2017
@@ -8,6 +8,26 @@
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
+// Helpers
+//===----------------------------------------------------------------------===//
+
+class getSubRegs<int size> {
+ list<SubRegIndex> ret2 = [sub0, sub1];
+ list<SubRegIndex> ret3 = [sub0, sub1, sub2];
+ list<SubRegIndex> ret4 = [sub0, sub1, sub2, sub3];
+ list<SubRegIndex> ret8 = [sub0, sub1, sub2, sub3, sub4, sub5, sub6, sub7];
+ list<SubRegIndex> ret16 = [sub0, sub1, sub2, sub3,
+ sub4, sub5, sub6, sub7,
+ sub8, sub9, sub10, sub11,
+ sub12, sub13, sub14, sub15];
+
+ list<SubRegIndex> ret = !if(!eq(size, 2), ret2,
+ !if(!eq(size, 3), ret3,
+ !if(!eq(size, 4), ret4,
+ !if(!eq(size, 8), ret8, ret16))));
+}
+
+//===----------------------------------------------------------------------===//
// Declarations that describe the SI registers
//===----------------------------------------------------------------------===//
class SIReg <string n, bits<16> regIdx = 0> : Register<n>,
@@ -141,19 +161,19 @@ def SGPR_32 : RegisterClass<"AMDGPU", [i
}
// SGPR 64-bit registers
-def SGPR_64Regs : RegisterTuples<[sub0, sub1],
+def SGPR_64Regs : RegisterTuples<getSubRegs<2>.ret,
[(add (decimate SGPR_32, 2)),
(add (decimate (shl SGPR_32, 1), 2))]>;
// SGPR 128-bit registers
-def SGPR_128Regs : RegisterTuples<[sub0, sub1, sub2, sub3],
+def SGPR_128Regs : RegisterTuples<getSubRegs<4>.ret,
[(add (decimate SGPR_32, 4)),
(add (decimate (shl SGPR_32, 1), 4)),
(add (decimate (shl SGPR_32, 2), 4)),
(add (decimate (shl SGPR_32, 3), 4))]>;
// SGPR 256-bit registers
-def SGPR_256 : RegisterTuples<[sub0, sub1, sub2, sub3, sub4, sub5, sub6, sub7],
+def SGPR_256Regs : RegisterTuples<getSubRegs<8>.ret,
[(add (decimate SGPR_32, 4)),
(add (decimate (shl SGPR_32, 1), 4)),
(add (decimate (shl SGPR_32, 2), 4)),
@@ -164,8 +184,7 @@ def SGPR_256 : RegisterTuples<[sub0, sub
(add (decimate (shl SGPR_32, 7), 4))]>;
// SGPR 512-bit registers
-def SGPR_512 : RegisterTuples<[sub0, sub1, sub2, sub3, sub4, sub5, sub6, sub7,
- sub8, sub9, sub10, sub11, sub12, sub13, sub14, sub15],
+def SGPR_512Regs : RegisterTuples<getSubRegs<16>.ret,
[(add (decimate SGPR_32, 4)),
(add (decimate (shl SGPR_32, 1), 4)),
(add (decimate (shl SGPR_32, 2), 4)),
@@ -190,47 +209,125 @@ def TTMP_32 : RegisterClass<"AMDGPU", [i
}
// Trap handler TMP 64-bit registers
-def TTMP_64Regs : RegisterTuples<[sub0, sub1],
+def TTMP_64Regs : RegisterTuples<getSubRegs<2>.ret,
[(add (decimate TTMP_32, 2)),
(add (decimate (shl TTMP_32, 1), 2))]>;
// Trap handler TMP 128-bit registers
-def TTMP_128Regs : RegisterTuples<[sub0, sub1, sub2, sub3],
+def TTMP_128Regs : RegisterTuples<getSubRegs<4>.ret,
[(add (decimate TTMP_32, 4)),
(add (decimate (shl TTMP_32, 1), 4)),
(add (decimate (shl TTMP_32, 2), 4)),
(add (decimate (shl TTMP_32, 3), 4))]>;
-class TmpRegTuples <string tgt,
- bit Is64Bit,
- int Index0,
- int Index1 = !add(Index0, 1),
- int Index2 = !add(Index0, !if(Is64Bit, 1, 2)),
- int Index3 = !add(Index0, !if(Is64Bit, 1, 3)),
- string name = "ttmp["#Index0#":"#Index3#"]",
- Register r0 = !cast<Register>("TTMP"#Index0#tgt),
- Register r1 = !cast<Register>("TTMP"#Index1#tgt),
- Register r2 = !cast<Register>("TTMP"#Index2#tgt),
- Register r3 = !cast<Register>("TTMP"#Index3#tgt)> :
- RegisterWithSubRegs<name, !if(Is64Bit, [r0, r1], [r0, r1, r2, r3])> {
- let SubRegIndices = !if(Is64Bit, [sub0, sub1], [sub0, sub1, sub2, sub3]);
- let HWEncoding = r0.HWEncoding;
-}
+def TTMP_256Regs : RegisterTuples<getSubRegs<8>.ret,
+ [(add (decimate TTMP_32, 4)),
+ (add (decimate (shl TTMP_32, 1), 4)),
+ (add (decimate (shl TTMP_32, 2), 4)),
+ (add (decimate (shl TTMP_32, 3), 4)),
+ (add (decimate (shl TTMP_32, 4), 4)),
+ (add (decimate (shl TTMP_32, 5), 4)),
+ (add (decimate (shl TTMP_32, 6), 4)),
+ (add (decimate (shl TTMP_32, 7), 4))]>;
+
+def TTMP_512Regs : RegisterTuples<getSubRegs<16>.ret,
+ [(add (decimate TTMP_32, 4)),
+ (add (decimate (shl TTMP_32, 1), 4)),
+ (add (decimate (shl TTMP_32, 2), 4)),
+ (add (decimate (shl TTMP_32, 3), 4)),
+ (add (decimate (shl TTMP_32, 4), 4)),
+ (add (decimate (shl TTMP_32, 5), 4)),
+ (add (decimate (shl TTMP_32, 6), 4)),
+ (add (decimate (shl TTMP_32, 7), 4)),
+ (add (decimate (shl TTMP_32, 8), 4)),
+ (add (decimate (shl TTMP_32, 9), 4)),
+ (add (decimate (shl TTMP_32, 10), 4)),
+ (add (decimate (shl TTMP_32, 11), 4)),
+ (add (decimate (shl TTMP_32, 12), 4)),
+ (add (decimate (shl TTMP_32, 13), 4)),
+ (add (decimate (shl TTMP_32, 14), 4)),
+ (add (decimate (shl TTMP_32, 15), 4))]>;
+
+class TmpRegTuplesBase<int index, int size,
+ list<Register> subRegs,
+ list<SubRegIndex> indices = getSubRegs<size>.ret,
+ int index1 = !add(index, !add(size, -1)),
+ string name = "ttmp["#index#":"#index1#"]"> :
+ RegisterWithSubRegs<name, subRegs> {
+ let HWEncoding = subRegs[0].HWEncoding;
+ let SubRegIndices = indices;
+}
+
+class TmpRegTuples<string tgt,
+ int size,
+ int index0,
+ int index1 = !add(index0, 1),
+ int index2 = !add(index0, !if(!eq(size, 2), 1, 2)),
+ int index3 = !add(index0, !if(!eq(size, 2), 1, 3)),
+ int index4 = !add(index0, !if(!eq(size, 8), 4, 1)),
+ int index5 = !add(index0, !if(!eq(size, 8), 5, 1)),
+ int index6 = !add(index0, !if(!eq(size, 8), 6, 1)),
+ int index7 = !add(index0, !if(!eq(size, 8), 7, 1)),
+ Register r0 = !cast<Register>("TTMP"#index0#tgt),
+ Register r1 = !cast<Register>("TTMP"#index1#tgt),
+ Register r2 = !cast<Register>("TTMP"#index2#tgt),
+ Register r3 = !cast<Register>("TTMP"#index3#tgt),
+ Register r4 = !cast<Register>("TTMP"#index4#tgt),
+ Register r5 = !cast<Register>("TTMP"#index5#tgt),
+ Register r6 = !cast<Register>("TTMP"#index6#tgt),
+ Register r7 = !cast<Register>("TTMP"#index7#tgt)> :
+ TmpRegTuplesBase<index0, size,
+ !if(!eq(size, 2), [r0, r1],
+ !if(!eq(size, 4), [r0, r1, r2, r3],
+ [r0, r1, r2, r3, r4, r5, r6, r7])),
+ getSubRegs<size>.ret>;
foreach Index = {0, 2, 4, 6, 8, 10, 12, 14} in {
- def TTMP#Index#_TTMP#!add(Index,1)#_vi : TmpRegTuples<"_vi", 1, Index>;
- def TTMP#Index#_TTMP#!add(Index,1)#_gfx9 : TmpRegTuples<"_gfx9", 1, Index>;
+ def TTMP#Index#_TTMP#!add(Index,1)#_vi : TmpRegTuples<"_vi", 2, Index>;
+ def TTMP#Index#_TTMP#!add(Index,1)#_gfx9 : TmpRegTuples<"_gfx9", 2, Index>;
}
foreach Index = {0, 4, 8, 12} in {
def TTMP#Index#_TTMP#!add(Index,1)#
_TTMP#!add(Index,2)#
- _TTMP#!add(Index,3)#_vi : TmpRegTuples<"_vi", 0, Index>;
+ _TTMP#!add(Index,3)#_vi : TmpRegTuples<"_vi", 4, Index>;
def TTMP#Index#_TTMP#!add(Index,1)#
_TTMP#!add(Index,2)#
- _TTMP#!add(Index,3)#_gfx9 : TmpRegTuples<"_gfx9", 0, Index>;
+ _TTMP#!add(Index,3)#_gfx9 : TmpRegTuples<"_gfx9", 4, Index>;
}
+foreach Index = {0, 4, 8} in {
+ def TTMP#Index#_TTMP#!add(Index,1)#
+ _TTMP#!add(Index,2)#
+ _TTMP#!add(Index,3)#
+ _TTMP#!add(Index,4)#
+ _TTMP#!add(Index,5)#
+ _TTMP#!add(Index,6)#
+ _TTMP#!add(Index,7)#_vi : TmpRegTuples<"_vi", 8, Index>;
+ def TTMP#Index#_TTMP#!add(Index,1)#
+ _TTMP#!add(Index,2)#
+ _TTMP#!add(Index,3)#
+ _TTMP#!add(Index,4)#
+ _TTMP#!add(Index,5)#
+ _TTMP#!add(Index,6)#
+ _TTMP#!add(Index,7)#_gfx9 : TmpRegTuples<"_gfx9", 8, Index>;
+}
+
+def TTMP0_TTMP1_TTMP2_TTMP3_TTMP4_TTMP5_TTMP6_TTMP7_TTMP8_TTMP9_TTMP10_TTMP11_TTMP12_TTMP13_TTMP14_TTMP15_vi :
+ TmpRegTuplesBase<0, 16,
+ [TTMP0_vi, TTMP1_vi, TTMP2_vi, TTMP3_vi,
+ TTMP4_vi, TTMP5_vi, TTMP6_vi, TTMP7_vi,
+ TTMP8_vi, TTMP9_vi, TTMP10_vi, TTMP11_vi,
+ TTMP12_vi, TTMP13_vi, TTMP14_vi, TTMP15_vi]>;
+
+def TTMP0_TTMP1_TTMP2_TTMP3_TTMP4_TTMP5_TTMP6_TTMP7_TTMP8_TTMP9_TTMP10_TTMP11_TTMP12_TTMP13_TTMP14_TTMP15_gfx9 :
+ TmpRegTuplesBase<0, 16,
+ [TTMP0_gfx9, TTMP1_gfx9, TTMP2_gfx9, TTMP3_gfx9,
+ TTMP4_gfx9, TTMP5_gfx9, TTMP6_gfx9, TTMP7_gfx9,
+ TTMP8_gfx9, TTMP9_gfx9, TTMP10_gfx9, TTMP11_gfx9,
+ TTMP12_gfx9, TTMP13_gfx9, TTMP14_gfx9, TTMP15_gfx9]>;
+
+
// VGPR 32-bit registers
// i16/f16 only on VI+
def VGPR_32 : RegisterClass<"AMDGPU", [i32, f32, i16, f16, v2i16, v2f16], 32,
@@ -240,25 +337,25 @@ def VGPR_32 : RegisterClass<"AMDGPU", [i
}
// VGPR 64-bit registers
-def VGPR_64 : RegisterTuples<[sub0, sub1],
+def VGPR_64 : RegisterTuples<getSubRegs<2>.ret,
[(add (trunc VGPR_32, 255)),
(add (shl VGPR_32, 1))]>;
// VGPR 96-bit registers
-def VGPR_96 : RegisterTuples<[sub0, sub1, sub2],
+def VGPR_96 : RegisterTuples<getSubRegs<3>.ret,
[(add (trunc VGPR_32, 254)),
(add (shl VGPR_32, 1)),
(add (shl VGPR_32, 2))]>;
// VGPR 128-bit registers
-def VGPR_128 : RegisterTuples<[sub0, sub1, sub2, sub3],
+def VGPR_128 : RegisterTuples<getSubRegs<4>.ret,
[(add (trunc VGPR_32, 253)),
(add (shl VGPR_32, 1)),
(add (shl VGPR_32, 2)),
(add (shl VGPR_32, 3))]>;
// VGPR 256-bit registers
-def VGPR_256 : RegisterTuples<[sub0, sub1, sub2, sub3, sub4, sub5, sub6, sub7],
+def VGPR_256 : RegisterTuples<getSubRegs<8>.ret,
[(add (trunc VGPR_32, 249)),
(add (shl VGPR_32, 1)),
(add (shl VGPR_32, 2)),
@@ -269,8 +366,7 @@ def VGPR_256 : RegisterTuples<[sub0, sub
(add (shl VGPR_32, 7))]>;
// VGPR 512-bit registers
-def VGPR_512 : RegisterTuples<[sub0, sub1, sub2, sub3, sub4, sub5, sub6, sub7,
- sub8, sub9, sub10, sub11, sub12, sub13, sub14, sub15],
+def VGPR_512 : RegisterTuples<getSubRegs<16>.ret,
[(add (trunc VGPR_32, 241)),
(add (shl VGPR_32, 1)),
(add (shl VGPR_32, 2)),
@@ -368,13 +464,31 @@ def SReg_128 : RegisterClass<"AMDGPU", [
} // End CopyCost = 2
-def SReg_256 : RegisterClass<"AMDGPU", [v8i32, v8f32], 32, (add SGPR_256)> {
+def SGPR_256 : RegisterClass<"AMDGPU", [v8i32, v8f32], 32, (add SGPR_256Regs)> {
+ let AllocationPriority = 11;
+}
+
+def TTMP_256 : RegisterClass<"AMDGPU", [v8i32, v8f32], 32, (add TTMP_256Regs)> {
+ let isAllocatable = 0;
+}
+
+def SReg_256 : RegisterClass<"AMDGPU", [v8i32, v8f32], 32,
+ (add SGPR_256, TTMP_256)> {
// Requires 4 s_mov_b64 to copy
let CopyCost = 4;
let AllocationPriority = 11;
}
-def SReg_512 : RegisterClass<"AMDGPU", [v16i32, v16f32], 32, (add SGPR_512)> {
+def SGPR_512 : RegisterClass<"AMDGPU", [v16i32, v16f32], 32, (add SGPR_512Regs)> {
+ let AllocationPriority = 12;
+}
+
+def TTMP_512 : RegisterClass<"AMDGPU", [v16i32, v16f32], 32, (add TTMP_512Regs)> {
+ let isAllocatable = 0;
+}
+
+def SReg_512 : RegisterClass<"AMDGPU", [v16i32, v16f32], 32,
+ (add SGPR_512, TTMP_512)> {
// Requires 8 s_mov_b64 to copy
let CopyCost = 8;
let AllocationPriority = 12;
Modified: llvm/trunk/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp?rev=321359&r1=321358&r2=321359&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp Fri Dec 22 07:18:06 2017
@@ -667,6 +667,10 @@ bool isRegIntersect(unsigned Reg0, unsig
CASE_VI_GFX9(TTMP4_TTMP5_TTMP6_TTMP7) \
CASE_VI_GFX9(TTMP8_TTMP9_TTMP10_TTMP11) \
CASE_VI_GFX9(TTMP12_TTMP13_TTMP14_TTMP15) \
+ CASE_VI_GFX9(TTMP0_TTMP1_TTMP2_TTMP3_TTMP4_TTMP5_TTMP6_TTMP7) \
+ CASE_VI_GFX9(TTMP4_TTMP5_TTMP6_TTMP7_TTMP8_TTMP9_TTMP10_TTMP11) \
+ CASE_VI_GFX9(TTMP8_TTMP9_TTMP10_TTMP11_TTMP12_TTMP13_TTMP14_TTMP15) \
+ CASE_VI_GFX9(TTMP0_TTMP1_TTMP2_TTMP3_TTMP4_TTMP5_TTMP6_TTMP7_TTMP8_TTMP9_TTMP10_TTMP11_TTMP12_TTMP13_TTMP14_TTMP15) \
}
#define CASE_CI_VI(node) \
Modified: llvm/trunk/test/MC/AMDGPU/trap.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/AMDGPU/trap.s?rev=321359&r1=321358&r2=321359&view=diff
==============================================================================
--- llvm/trunk/test/MC/AMDGPU/trap.s (original)
+++ llvm/trunk/test/MC/AMDGPU/trap.s Fri Dec 22 07:18:06 2017
@@ -190,6 +190,48 @@ s_mov_b64 ttmp[14:15], exec
// GFX9: s_mov_b64 ttmp[14:15], exec ; encoding: [0x7e,0x01,0xfa,0xbe]
//===----------------------------------------------------------------------===//
+// Trap Handler related - 8-dword registers
+// NB: gfx7 doc states that SMRD does not support trap registers for dst
+//===----------------------------------------------------------------------===//
+
+s_buffer_load_dwordx8 ttmp[0:7], s[0:3], s0
+// VI: [0x00,0x1c,0x2c,0xc0,0x00,0x00,0x00,0x00]
+// GFX9: [0x00,0x1b,0x2c,0xc0,0x00,0x00,0x00,0x00]
+
+s_buffer_load_dwordx8 ttmp[4:11], s[0:3], s0
+// VI: [0x00,0x1d,0x2c,0xc0,0x00,0x00,0x00,0x00]
+// GFX9: [0x00,0x1c,0x2c,0xc0,0x00,0x00,0x00,0x00]
+
+s_buffer_load_dwordx8 ttmp[8:15], s[0:3], s0
+// NOSICIVI: error: not a valid operand
+// GFX9: [0x00,0x1d,0x2c,0xc0,0x00,0x00,0x00,0x00]
+
+s_load_dwordx8 ttmp[0:7], s[0:1], s0
+// VI: [0x00,0x1c,0x0c,0xc0,0x00,0x00,0x00,0x00]
+// GFX9: [0x00,0x1b,0x0c,0xc0,0x00,0x00,0x00,0x00]
+
+s_load_dwordx8 ttmp[4:11], s[0:1], s0
+// VI: [0x00,0x1d,0x0c,0xc0,0x00,0x00,0x00,0x00]
+// GFX9: [0x00,0x1c,0x0c,0xc0,0x00,0x00,0x00,0x00]
+
+s_load_dwordx8 ttmp[8:15], s[0:1], s0
+// NOSICIVI: error: not a valid operand
+// GFX9: [0x00,0x1d,0x0c,0xc0,0x00,0x00,0x00,0x00]
+
+//===----------------------------------------------------------------------===//
+// Trap Handler related - 16-dword registers
+// NB: gfx7 doc states that SMRD does not support trap registers for dst
+//===----------------------------------------------------------------------===//
+
+s_buffer_load_dwordx16 ttmp[0:15], s[0:3], s0
+// NOSICIVI: error: not a valid operand
+// GFX9: [0x00,0x1b,0x30,0xc0,0x00,0x00,0x00,0x00]
+
+s_load_dwordx16 ttmp[0:15], s[0:1], s0
+// NOSICIVI: error: not a valid operand
+// GFX9: [0x00,0x1b,0x10,0xc0,0x00,0x00,0x00,0x00]
+
+//===----------------------------------------------------------------------===//
// Trap Handler related - Some specific instructions
//===----------------------------------------------------------------------===//
Modified: llvm/trunk/test/MC/Disassembler/AMDGPU/trap_gfx9.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/Disassembler/AMDGPU/trap_gfx9.txt?rev=321359&r1=321358&r2=321359&view=diff
==============================================================================
--- llvm/trunk/test/MC/Disassembler/AMDGPU/trap_gfx9.txt (original)
+++ llvm/trunk/test/MC/Disassembler/AMDGPU/trap_gfx9.txt Fri Dec 22 07:18:06 2017
@@ -107,3 +107,35 @@
# GFX9: buffer_atomic_inc v1, off, ttmp[12:15], 56 glc ; encoding: [0x00,0x40,0x2c,0xe1,0x00,0x01,0x1e,0xb8]
0x00,0x40,0x2c,0xe1,0x00,0x01,0x1e,0xb8
+
+#===----------------------------------------------------------------------===#
+# Trap Handler related - 8-dword registers
+#===----------------------------------------------------------------------===#
+
+# GFX9: s_buffer_load_dwordx8 ttmp[0:7], s[0:3], s0 ; encoding: [0x00,0x1b,0x2c,0xc0,0x00,0x00,0x00,0x00]
+0x00,0x1b,0x2c,0xc0,0x00,0x00,0x00,0x00
+
+# GFX9: s_buffer_load_dwordx8 ttmp[4:11], s[0:3], s0 ; encoding: [0x00,0x1c,0x2c,0xc0,0x00,0x00,0x00,0x00]
+0x00,0x1c,0x2c,0xc0,0x00,0x00,0x00,0x00
+
+# GFX9: s_buffer_load_dwordx8 ttmp[8:15], s[0:3], s0 ; encoding: [0x00,0x1d,0x2c,0xc0,0x00,0x00,0x00,0x00]
+0x00,0x1d,0x2c,0xc0,0x00,0x00,0x00,0x00
+
+# GFX9: s_load_dwordx8 ttmp[0:7], s[0:1], s0 ; encoding: [0x00,0x1b,0x0c,0xc0,0x00,0x00,0x00,0x00]
+0x00,0x1b,0x0c,0xc0,0x00,0x00,0x00,0x00
+
+# GFX9: s_load_dwordx8 ttmp[4:11], s[0:1], s0 ; encoding: [0x00,0x1c,0x0c,0xc0,0x00,0x00,0x00,0x00]
+0x00,0x1c,0x0c,0xc0,0x00,0x00,0x00,0x00
+
+# GFX9: s_load_dwordx8 ttmp[8:15], s[0:1], s0 ; encoding: [0x00,0x1d,0x0c,0xc0,0x00,0x00,0x00,0x00]
+0x00,0x1d,0x0c,0xc0,0x00,0x00,0x00,0x00
+
+#===----------------------------------------------------------------------===#
+# Trap Handler related - 16-dword registers
+#===----------------------------------------------------------------------===#
+
+# GFX9: s_buffer_load_dwordx16 ttmp[0:15], s[0:3], s0 ; encoding: [0x00,0x1b,0x30,0xc0,0x00,0x00,0x00,0x00]
+0x00,0x1b,0x30,0xc0,0x00,0x00,0x00,0x00
+
+# GFX9: s_load_dwordx16 ttmp[0:15], s[0:1], s0 ; encoding: [0x00,0x1b,0x10,0xc0,0x00,0x00,0x00,0x00]
+0x00,0x1b,0x10,0xc0,0x00,0x00,0x00,0x00
Modified: llvm/trunk/test/MC/Disassembler/AMDGPU/trap_vi.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/Disassembler/AMDGPU/trap_vi.txt?rev=321359&r1=321358&r2=321359&view=diff
==============================================================================
--- llvm/trunk/test/MC/Disassembler/AMDGPU/trap_vi.txt (original)
+++ llvm/trunk/test/MC/Disassembler/AMDGPU/trap_vi.txt Fri Dec 22 07:18:06 2017
@@ -107,3 +107,19 @@
# VI: buffer_atomic_inc v1, off, ttmp[8:11], 56 glc ; encoding: [0x00,0x40,0x2c,0xe1,0x00,0x01,0x1e,0xb8]
0x00,0x40,0x2c,0xe1,0x00,0x01,0x1e,0xb8
+
+#===----------------------------------------------------------------------===#
+# Trap Handler related - 8-dword registers
+#===----------------------------------------------------------------------===#
+
+# VI: s_buffer_load_dwordx8 ttmp[0:7], s[0:3], s0 ; encoding: [0x00,0x1c,0x2c,0xc0,0x00,0x00,0x00,0x00]
+0x00,0x1c,0x2c,0xc0,0x00,0x00,0x00,0x00
+
+# VI: s_buffer_load_dwordx8 ttmp[4:11], s[0:3], s0 ; encoding: [0x00,0x1d,0x2c,0xc0,0x00,0x00,0x00,0x00]
+0x00,0x1d,0x2c,0xc0,0x00,0x00,0x00,0x00
+
+# VI: s_load_dwordx8 ttmp[0:7], s[0:1], s0 ; encoding: [0x00,0x1c,0x0c,0xc0,0x00,0x00,0x00,0x00]
+0x00,0x1c,0x0c,0xc0,0x00,0x00,0x00,0x00
+
+# VI: s_load_dwordx8 ttmp[4:11], s[0:1], s0 ; encoding: [0x00,0x1d,0x0c,0xc0,0x00,0x00,0x00,0x00]
+0x00,0x1d,0x0c,0xc0,0x00,0x00,0x00,0x00
More information about the llvm-commits
mailing list