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Encode VFP arithmetic instructions. 

llvm-svn: 59016
This commit is contained in:
Evan Cheng 2008-11-11 02:11:05 +00:00
parent deb7cac332
commit ac2af2fdb2
4 changed files with 226 additions and 108 deletions
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45
llvm/lib/Target/ARM/ARMCodeEmitter.cpp
View File

@ -120,6 +120,8 @@ namespace {
void emitMiscBranchInstruction(const MachineInstr &MI);
void emitVFPArithInstruction(const MachineInstr &MI);
/// getBinaryCodeForInstr - This function, generated by the
/// CodeEmitterGenerator using TableGen, produces the binary encoding for
/// machine instructions.
@ -313,6 +315,11 @@ void ARMCodeEmitter::emitInstruction(const MachineInstr &MI) {
case ARMII::BrMiscFrm:
emitMiscBranchInstruction(MI);
break;
// VFP instructions.
case ARMII::VFPUnaryFrm:
case ARMII::VFPBinaryFrm:
emitVFPArithInstruction(MI);
break;
}
}
@ -976,4 +983,42 @@ void ARMCodeEmitter::emitMiscBranchInstruction(const MachineInstr &MI) {
emitWordLE(Binary);
}
void ARMCodeEmitter::emitVFPArithInstruction(const MachineInstr &MI) {
const TargetInstrDesc &TID = MI.getDesc();
// Part of binary is determined by TableGn.
unsigned Binary = getBinaryCodeForInstr(MI);
// Set the conditional execution predicate
Binary |= II->getPredicate(&MI) << ARMII::CondShift;
unsigned OpIdx = 0;
assert((Binary & ARMII::D_BitShift) == 0 &&
(Binary & ARMII::N_BitShift) == 0 &&
(Binary & ARMII::M_BitShift) == 0 && "VFP encoding bug!");
// Encode Dd / Sd.
unsigned RegD = getMachineOpValue(MI, OpIdx++);
Binary |= (RegD & 0x0f) << ARMII::RegFdShift;
Binary |= (RegD & 0x10) << ARMII::D_BitShift;
// If this is a two-address operand, skip it, e.g. FMACD.
if (TID.getOperandConstraint(OpIdx, TOI::TIED_TO) != -1)
++OpIdx;
// Encode Dn / Sn.
if ((TID.TSFlags & ARMII::FormMask) == ARMII::VFPBinaryFrm) {
unsigned RegN = getMachineOpValue(MI, OpIdx++);
Binary |= (RegN & 0x0f);
Binary |= (RegN & 0x10) << ARMII::N_BitShift;
}
// Encode Dm / Sm.
unsigned RegM = getMachineOpValue(MI, OpIdx++);
Binary |= (RegM & 0x0f);
Binary |= (RegM & 0x10) << ARMII::M_BitShift;
emitWordLE(Binary);
}
#include "ARMGenCodeEmitter.inc"

100
llvm/lib/Target/ARM/ARMInstrFormats.td
View File

@ -36,8 +36,10 @@ def StMulFrm : Format<12>;
def ArithMiscFrm: Format<13>;
def ExtFrm : Format<14>;
def ThumbFrm : Format<15>;
def VFPFrm : Format<16>;
def VFPFrm : Format<15>;
def VFPUnaryFrm : Format<16>;
def VFPBinaryFrm: Format<17>;
def ThumbFrm : Format<18>;
// Misc flag for data processing instructions that indicates whether
// the instruction has a Rn register operand.
@ -728,6 +730,100 @@ class TJTI<dag outs, dag ins, string asm, list<dag> pattern>
: ThumbI<outs, ins, AddrModeNone, SizeSpecial, asm, "", pattern>;
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// ARM VFP Instruction templates.
//
// ARM Float Instruction
class ASI<dag oops, dag iops, string opc, string asm, list<dag> pattern>
: AI<oops, iops, VFPFrm, opc, asm, pattern> {
// TODO: Mark the instructions with the appropriate subtarget info.
}
class ASI5<dag oops, dag iops, string opc, string asm, list<dag> pattern>
: I<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
VFPFrm, opc, asm, "", pattern> {
// TODO: Mark the instructions with the appropriate subtarget info.
}
// ARM Double Instruction
class ADI<dag oops, dag iops, string opc, string asm, list<dag> pattern>
: AI<oops, iops, VFPFrm, opc, asm, pattern> {
// TODO: Mark the instructions with the appropriate subtarget info.
}
class ADI5<dag oops, dag iops, string opc, string asm, list<dag> pattern>
: I<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
VFPFrm, opc, asm, "", pattern> {
// TODO: Mark the instructions with the appropriate subtarget info.
}
// Double precision, unary
class ADuI<bits<8> opcod1, bits<4> opcod2, bits<4> opcod3, dag oops, dag iops,
string opc, string asm, list<dag> pattern>
: AI<oops, iops, VFPUnaryFrm, opc, asm, pattern> {
let Inst{27-20} = opcod1;
let Inst{19-16} = opcod2;
let Inst{11-8} = 0b1011;
let Inst{7-4} = opcod3;
}
// Double precision, binary
class ADbI<bits<8> opcod, dag oops, dag iops, string opc,
string asm, list<dag> pattern>
: AI<oops, iops, VFPBinaryFrm, opc, asm, pattern> {
let Inst{27-20} = opcod;
let Inst{11-8} = 0b1011;
}
// Single precision, unary
class ASuI<bits<8> opcod1, bits<4> opcod2, bits<4> opcod3, dag oops, dag iops,
string opc, string asm, list<dag> pattern>
: AI<oops, iops, VFPUnaryFrm, opc, asm, pattern> {
// Bits 22 (D bit) and 5 (M bit) will be changed during instruction encoding.
let Inst{27-20} = opcod1;
let Inst{19-16} = opcod2;
let Inst{11-8} = 0b1010;
let Inst{7-4} = opcod3;
}
// Single precision, binary
class ASbI<bits<8> opcod, dag oops, dag iops, string opc,
string asm, list<dag> pattern>
: AI<oops, iops, VFPBinaryFrm, opc, asm, pattern> {
// Bit 22 (D bit) can be changed during instruction encoding.
let Inst{27-20} = opcod;
let Inst{11-8} = 0b1010;
}
// Special cases.
class AXSI<dag oops, dag iops, string asm, list<dag> pattern>
: XI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone,
VFPFrm, asm, "", pattern> {
// TODO: Mark the instructions with the appropriate subtarget info.
}
class AXSI5<dag oops, dag iops, string asm, list<dag> pattern>
: XI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
VFPFrm, asm, "", pattern> {
// TODO: Mark the instructions with the appropriate subtarget info.
}
class AXDI<dag oops, dag iops, string asm, list<dag> pattern>
: XI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone,
VFPFrm, asm, "", pattern> {
// TODO: Mark the instructions with the appropriate subtarget info.
}
class AXDI5<dag oops, dag iops, string asm, list<dag> pattern>
: XI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
VFPFrm, asm, "", pattern> {
// TODO: Mark the instructions with the appropriate subtarget info.
}
//===----------------------------------------------------------------------===//

15
llvm/lib/Target/ARM/ARMInstrInfo.h
View File

@ -100,26 +100,33 @@ namespace ARMII {
// Extend instructions
ExtFrm = 14 << FormShift,
// Thumb format
ThumbFrm = 15 << FormShift,
// VFP formats
VPFFrm = 15 << FormShift,
VFPUnaryFrm = 16 << FormShift,
VFPBinaryFrm = 17 << FormShift,
// VFP format
VPFFrm = 16 << FormShift,
// Thumb format
ThumbFrm = 18 << FormShift,
//===------------------------------------------------------------------===//
// Field shifts - such shifts are used to set field while generating
// machine instructions.
M_BitShift = 5,
ShiftShift = 7,
N_BitShift = 7,
SoRotImmShift = 8,
RegRsShift = 8,
ExtRotImmShift = 10,
RegRdLoShift = 12,
RegRdShift = 12,
RegFdShift = 12,
RegRdHiShift = 16,
RegRnShift = 16,
RegFnShift = 16,
S_BitShift = 20,
W_BitShift = 21,
AM3_I_BitShift = 22,
D_BitShift = 22,
U_BitShift = 23,
P_BitShift = 24,
I_BitShift = 25,

174
llvm/lib/Target/ARM/ARMInstrVFP.td
View File

@ -11,60 +11,6 @@
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// ARM VFP Instruction templates.
//
// ARM Float Instruction
class ASI<dag outs, dag ins, string opc, string asm, list<dag> pattern>
: AI<outs, ins, VFPFrm, opc, asm, pattern> {
// TODO: Mark the instructions with the appropriate subtarget info.
}
class ASI5<dag outs, dag ins, string opc, string asm, list<dag> pattern>
: I<outs, ins, AddrMode5, Size4Bytes, IndexModeNone,
VFPFrm, opc, asm, "", pattern> {
// TODO: Mark the instructions with the appropriate subtarget info.
}
// ARM Double Instruction
class ADI<dag outs, dag ins, string opc, string asm, list<dag> pattern>
: AI<outs, ins, VFPFrm, opc, asm, pattern> {
// TODO: Mark the instructions with the appropriate subtarget info.
}
class ADI5<dag outs, dag ins, string opc, string asm, list<dag> pattern>
: I<outs, ins, AddrMode5, Size4Bytes, IndexModeNone,
VFPFrm, opc, asm, "", pattern> {
// TODO: Mark the instructions with the appropriate subtarget info.
}
// Special cases.
class AXSI<dag outs, dag ins, string asm, list<dag> pattern>
: XI<outs, ins, AddrModeNone, Size4Bytes, IndexModeNone,
VFPFrm, asm, "", pattern> {
// TODO: Mark the instructions with the appropriate subtarget info.
}
class AXSI5<dag outs, dag ins, string asm, list<dag> pattern>
: XI<outs, ins, AddrMode5, Size4Bytes, IndexModeNone,
VFPFrm, asm, "", pattern> {
// TODO: Mark the instructions with the appropriate subtarget info.
}
class AXDI<dag outs, dag ins, string asm, list<dag> pattern>
: XI<outs, ins, AddrModeNone, Size4Bytes, IndexModeNone,
VFPFrm, asm, "", pattern> {
// TODO: Mark the instructions with the appropriate subtarget info.
}
class AXDI5<dag outs, dag ins, string asm, list<dag> pattern>
: XI<outs, ins, AddrMode5, Size4Bytes, IndexModeNone,
VFPFrm, asm, "", pattern> {
// TODO: Mark the instructions with the appropriate subtarget info.
}
def SDT_FTOI :
SDTypeProfile<1, 1, [SDTCisVT<0, f32>, SDTCisFP<1>]>;
def SDT_ITOF :
@ -75,14 +21,14 @@ def SDT_FMDRR :
SDTypeProfile<1, 2, [SDTCisVT<0, f64>, SDTCisVT<1, i32>,
SDTCisSameAs<1, 2>]>;
def arm_ftoui : SDNode<"ARMISD::FTOUI", SDT_FTOI>;
def arm_ftosi : SDNode<"ARMISD::FTOSI", SDT_FTOI>;
def arm_sitof : SDNode<"ARMISD::SITOF", SDT_ITOF>;
def arm_uitof : SDNode<"ARMISD::UITOF", SDT_ITOF>;
def arm_ftoui : SDNode<"ARMISD::FTOUI", SDT_FTOI>;
def arm_ftosi : SDNode<"ARMISD::FTOSI", SDT_FTOI>;
def arm_sitof : SDNode<"ARMISD::SITOF", SDT_ITOF>;
def arm_uitof : SDNode<"ARMISD::UITOF", SDT_ITOF>;
def arm_fmstat : SDNode<"ARMISD::FMSTAT", SDTNone, [SDNPInFlag,SDNPOutFlag]>;
def arm_cmpfp : SDNode<"ARMISD::CMPFP", SDT_ARMCmp, [SDNPOutFlag]>;
def arm_cmpfp0 : SDNode<"ARMISD::CMPFPw0", SDT_CMPFP0, [SDNPOutFlag]>;
def arm_fmdrr : SDNode<"ARMISD::FMDRR", SDT_FMDRR>;
def arm_cmpfp : SDNode<"ARMISD::CMPFP", SDT_ARMCmp, [SDNPOutFlag]>;
def arm_cmpfp0 : SDNode<"ARMISD::CMPFPw0",SDT_CMPFP0, [SDNPOutFlag]>;
def arm_fmdrr : SDNode<"ARMISD::FMDRR", SDT_FMDRR>;
//===----------------------------------------------------------------------===//
// Load / store Instructions.
@ -140,45 +86,55 @@ def FSTMS : AXSI5<(outs), (ins addrmode5:$addr, pred:$p, reglist:$src1,
// FP Binary Operations.
//
def FADDD : ADI<(outs DPR:$dst), (ins DPR:$a, DPR:$b),
def FADDD : ADbI<0b11100011, (outs DPR:$dst), (ins DPR:$a, DPR:$b),
"faddd", " $dst, $a, $b",
[(set DPR:$dst, (fadd DPR:$a, DPR:$b))]>;
def FADDS : ASI<(outs SPR:$dst), (ins SPR:$a, SPR:$b),
def FADDS : ASbI<0b11100011, (outs SPR:$dst), (ins SPR:$a, SPR:$b),
"fadds", " $dst, $a, $b",
[(set SPR:$dst, (fadd SPR:$a, SPR:$b))]>;
def FCMPED : ADI<(outs), (ins DPR:$a, DPR:$b),
def FCMPED : ADbI<0b11101011, (outs), (ins DPR:$a, DPR:$b),
"fcmped", " $a, $b",
[(arm_cmpfp DPR:$a, DPR:$b)]>;
[(arm_cmpfp DPR:$a, DPR:$b)]> {
let Inst{19-16} = 0b0100;
let Inst{7-6} = 0b11;
}
def FCMPES : ASI<(outs), (ins SPR:$a, SPR:$b),
def FCMPES : ASbI<0b11101011, (outs), (ins SPR:$a, SPR:$b),
"fcmpes", " $a, $b",
[(arm_cmpfp SPR:$a, SPR:$b)]>;
[(arm_cmpfp SPR:$a, SPR:$b)]> {
let Inst{19-16} = 0b0100;
let Inst{7-6} = 0b11;
}
def FDIVD : ADI<(outs DPR:$dst), (ins DPR:$a, DPR:$b),
def FDIVD : ADbI<0b11101000, (outs DPR:$dst), (ins DPR:$a, DPR:$b),
"fdivd", " $dst, $a, $b",
[(set DPR:$dst, (fdiv DPR:$a, DPR:$b))]>;
def FDIVS : ASI<(outs SPR:$dst), (ins SPR:$a, SPR:$b),
def FDIVS : ASbI<0b11101000, (outs SPR:$dst), (ins SPR:$a, SPR:$b),
"fdivs", " $dst, $a, $b",
[(set SPR:$dst, (fdiv SPR:$a, SPR:$b))]>;
def FMULD : ADI<(outs DPR:$dst), (ins DPR:$a, DPR:$b),
def FMULD : ADbI<0b11100010, (outs DPR:$dst), (ins DPR:$a, DPR:$b),
"fmuld", " $dst, $a, $b",
[(set DPR:$dst, (fmul DPR:$a, DPR:$b))]>;
def FMULS : ASI<(outs SPR:$dst), (ins SPR:$a, SPR:$b),
def FMULS : ASbI<0b11100010, (outs SPR:$dst), (ins SPR:$a, SPR:$b),
"fmuls", " $dst, $a, $b",
[(set SPR:$dst, (fmul SPR:$a, SPR:$b))]>;
def FNMULD : ADI<(outs DPR:$dst), (ins DPR:$a, DPR:$b),
def FNMULD : ADbI<0b11100010, (outs DPR:$dst), (ins DPR:$a, DPR:$b),
"fnmuld", " $dst, $a, $b",
[(set DPR:$dst, (fneg (fmul DPR:$a, DPR:$b)))]>;
[(set DPR:$dst, (fneg (fmul DPR:$a, DPR:$b)))]> {
let Inst{6} = 1;
}
def FNMULS : ASI<(outs SPR:$dst), (ins SPR:$a, SPR:$b),
def FNMULS : ASbI<0b11100010, (outs SPR:$dst), (ins SPR:$a, SPR:$b),
"fnmuls", " $dst, $a, $b",
[(set SPR:$dst, (fneg (fmul SPR:$a, SPR:$b)))]>;
[(set SPR:$dst, (fneg (fmul SPR:$a, SPR:$b)))]> {
let Inst{6} = 1;
}
// Match reassociated forms only if not sign dependent rounding.
def : Pat<(fmul (fneg DPR:$a), DPR:$b),
@ -187,11 +143,11 @@ def : Pat<(fmul (fneg SPR:$a), SPR:$b),
(FNMULS SPR:$a, SPR:$b)>, Requires<[NoHonorSignDependentRounding]>;
def FSUBD : ADI<(outs DPR:$dst), (ins DPR:$a, DPR:$b),
def FSUBD : ADbI<0b11100011, (outs DPR:$dst), (ins DPR:$a, DPR:$b),
"fsubd", " $dst, $a, $b",
[(set DPR:$dst, (fsub DPR:$a, DPR:$b))]>;
def FSUBS : ASI<(outs SPR:$dst), (ins SPR:$a, SPR:$b),
def FSUBS : ASbI<0b11100011, (outs SPR:$dst), (ins SPR:$a, SPR:$b),
"fsubs", " $dst, $a, $b",
[(set SPR:$dst, (fsub SPR:$a, SPR:$b))]>;
@ -199,49 +155,55 @@ def FSUBS : ASI<(outs SPR:$dst), (ins SPR:$a, SPR:$b),
// FP Unary Operations.
//
def FABSD : ADI<(outs DPR:$dst), (ins DPR:$a),
def FABSD : ADuI<0b11101011, 0b0000, 0b1100, (outs DPR:$dst), (ins DPR:$a),
"fabsd", " $dst, $a",
[(set DPR:$dst, (fabs DPR:$a))]>;
def FABSS : ASI<(outs SPR:$dst), (ins SPR:$a),
def FABSS : ASuI<0b11101011, 0b0000, 0b1100, (outs SPR:$dst), (ins SPR:$a),
"fabss", " $dst, $a",
[(set SPR:$dst, (fabs SPR:$a))]>;
def FCMPEZD : ADI<(outs), (ins DPR:$a),
def FCMPEZD : ADuI<0b11101011, 0b0101, 0b1100, (outs), (ins DPR:$a),
"fcmpezd", " $a",
[(arm_cmpfp0 DPR:$a)]>;
def FCMPEZS : ASI<(outs), (ins SPR:$a),
def FCMPEZS : ASuI<0b11101011, 0b0101, 0b1100, (outs), (ins SPR:$a),
"fcmpezs", " $a",
[(arm_cmpfp0 SPR:$a)]>;
def FCVTDS : ADI<(outs DPR:$dst), (ins SPR:$a),
def FCVTDS : ASuI<0b11101011, 0b0111, 0b1100, (outs DPR:$dst), (ins SPR:$a),
"fcvtds", " $dst, $a",
[(set DPR:$dst, (fextend SPR:$a))]>;
def FCVTSD : ADI<(outs SPR:$dst), (ins DPR:$a),
// Special case encoding: bits 11-8 is 0b1011.
def FCVTSD : AI<(outs SPR:$dst), (ins DPR:$a), VFPUnaryFrm,
"fcvtsd", " $dst, $a",
[(set SPR:$dst, (fround DPR:$a))]>;
[(set SPR:$dst, (fround DPR:$a))]> {
let Inst{27-23} = 0b11101;
let Inst{21-16} = 0b110111;
let Inst{11-8} = 0b1011;
let Inst{7-4} = 0b1100;
}
def FCPYD : ADI<(outs DPR:$dst), (ins DPR:$a),
def FCPYD : ADuI<0b11101011, 0b0000, 0b0100, (outs DPR:$dst), (ins DPR:$a),
"fcpyd", " $dst, $a", []>;
def FCPYS : ASI<(outs SPR:$dst), (ins SPR:$a),
def FCPYS : ASuI<0b11101011, 0b0000, 0b0100, (outs SPR:$dst), (ins SPR:$a),
"fcpys", " $dst, $a", []>;
def FNEGD : ADI<(outs DPR:$dst), (ins DPR:$a),
def FNEGD : ADuI<0b11101011, 0b0001, 0b0100, (outs DPR:$dst), (ins DPR:$a),
"fnegd", " $dst, $a",
[(set DPR:$dst, (fneg DPR:$a))]>;
def FNEGS : ASI<(outs SPR:$dst), (ins SPR:$a),
def FNEGS : ASuI<0b11101011, 0b0001, 0b0100, (outs SPR:$dst), (ins SPR:$a),
"fnegs", " $dst, $a",
[(set SPR:$dst, (fneg SPR:$a))]>;
def FSQRTD : ADI<(outs DPR:$dst), (ins DPR:$a),
def FSQRTD : ADuI<0b11101011, 0b0001, 0b1100, (outs DPR:$dst), (ins DPR:$a),
"fsqrtd", " $dst, $a",
[(set DPR:$dst, (fsqrt DPR:$a))]>;
def FSQRTS : ASI<(outs SPR:$dst), (ins SPR:$a),
def FSQRTS : ASuI<0b11101011, 0b0001, 0b1100, (outs SPR:$dst), (ins SPR:$a),
"fsqrts", " $dst, $a",
[(set SPR:$dst, (fsqrt SPR:$a))]>;
@ -323,45 +285,53 @@ def FTOUIZS : ASI<(outs SPR:$dst), (ins SPR:$a),
// FP FMA Operations.
//
def FMACD : ADI<(outs DPR:$dst), (ins DPR:$dstin, DPR:$a, DPR:$b),
def FMACD : ADbI<0b11100000, (outs DPR:$dst), (ins DPR:$dstin, DPR:$a, DPR:$b),
"fmacd", " $dst, $a, $b",
[(set DPR:$dst, (fadd (fmul DPR:$a, DPR:$b), DPR:$dstin))]>,
RegConstraint<"$dstin = $dst">;
def FMACS : ASI<(outs SPR:$dst), (ins SPR:$dstin, SPR:$a, SPR:$b),
def FMACS : ASbI<0b11100000, (outs SPR:$dst), (ins SPR:$dstin, SPR:$a, SPR:$b),
"fmacs", " $dst, $a, $b",
[(set SPR:$dst, (fadd (fmul SPR:$a, SPR:$b), SPR:$dstin))]>,
RegConstraint<"$dstin = $dst">;
def FMSCD : ADI<(outs DPR:$dst), (ins DPR:$dstin, DPR:$a, DPR:$b),
def FMSCD : ADbI<0b11100001, (outs DPR:$dst), (ins DPR:$dstin, DPR:$a, DPR:$b),
"fmscd", " $dst, $a, $b",
[(set DPR:$dst, (fsub (fmul DPR:$a, DPR:$b), DPR:$dstin))]>,
RegConstraint<"$dstin = $dst">;
def FMSCS : ASI<(outs SPR:$dst), (ins SPR:$dstin, SPR:$a, SPR:$b),
def FMSCS : ASbI<0b11100001, (outs SPR:$dst), (ins SPR:$dstin, SPR:$a, SPR:$b),
"fmscs", " $dst, $a, $b",
[(set SPR:$dst, (fsub (fmul SPR:$a, SPR:$b), SPR:$dstin))]>,
RegConstraint<"$dstin = $dst">;
def FNMACD : ADI<(outs DPR:$dst), (ins DPR:$dstin, DPR:$a, DPR:$b),
def FNMACD : ADbI<0b11100000, (outs DPR:$dst), (ins DPR:$dstin, DPR:$a, DPR:$b),
"fnmacd", " $dst, $a, $b",
[(set DPR:$dst, (fadd (fneg (fmul DPR:$a, DPR:$b)), DPR:$dstin))]>,
RegConstraint<"$dstin = $dst">;
RegConstraint<"$dstin = $dst"> {
let Inst{6} = 1;
}
def FNMACS : ASI<(outs SPR:$dst), (ins SPR:$dstin, SPR:$a, SPR:$b),
def FNMACS : ASbI<0b11100000, (outs SPR:$dst), (ins SPR:$dstin, SPR:$a, SPR:$b),
"fnmacs", " $dst, $a, $b",
[(set SPR:$dst, (fadd (fneg (fmul SPR:$a, SPR:$b)), SPR:$dstin))]>,
RegConstraint<"$dstin = $dst">;
RegConstraint<"$dstin = $dst"> {
let Inst{6} = 1;
}
def FNMSCD : ADI<(outs DPR:$dst), (ins DPR:$dstin, DPR:$a, DPR:$b),
def FNMSCD : ADbI<0b11100001, (outs DPR:$dst), (ins DPR:$dstin, DPR:$a, DPR:$b),
"fnmscd", " $dst, $a, $b",
[(set DPR:$dst, (fsub (fneg (fmul DPR:$a, DPR:$b)), DPR:$dstin))]>,
RegConstraint<"$dstin = $dst">;
RegConstraint<"$dstin = $dst"> {
let Inst{6} = 1;
}
def FNMSCS : ASI<(outs SPR:$dst), (ins SPR:$dstin, SPR:$a, SPR:$b),
def FNMSCS : ASbI<0b11100001, (outs SPR:$dst), (ins SPR:$dstin, SPR:$a, SPR:$b),
"fnmscs", " $dst, $a, $b",
[(set SPR:$dst, (fsub (fneg (fmul SPR:$a, SPR:$b)), SPR:$dstin))]>,
RegConstraint<"$dstin = $dst">;
RegConstraint<"$dstin = $dst"> {
let Inst{6} = 1;
}
//===----------------------------------------------------------------------===//
// FP Conditional moves.