mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 00:32:23 +00:00
302bf9c973
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31535 91177308-0d34-0410-b5e6-96231b3b80d8
1050 lines
47 KiB
TableGen
1050 lines
47 KiB
TableGen
//===- PPCInstrInfo.td - The PowerPC Instruction Set -------*- tablegen -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by the LLVM research group and is distributed under
|
|
// the University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file describes the subset of the 32-bit PowerPC instruction set, as used
|
|
// by the PowerPC instruction selector.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
include "PPCInstrFormats.td"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// PowerPC specific type constraints.
|
|
//
|
|
def SDT_PPCstfiwx : SDTypeProfile<0, 2, [ // stfiwx
|
|
SDTCisVT<0, f64>, SDTCisPtrTy<1>
|
|
]>;
|
|
def SDT_PPCShiftOp : SDTypeProfile<1, 2, [ // PPCshl, PPCsra, PPCsrl
|
|
SDTCisVT<0, i32>, SDTCisVT<1, i32>, SDTCisVT<2, i32>
|
|
]>;
|
|
def SDT_PPCCallSeq : SDTypeProfile<0, 1, [ SDTCisVT<0, i32> ]>;
|
|
|
|
def SDT_PPCvperm : SDTypeProfile<1, 3, [
|
|
SDTCisVT<3, v16i8>, SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>
|
|
]>;
|
|
|
|
def SDT_PPCvcmp : SDTypeProfile<1, 3, [
|
|
SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>, SDTCisVT<3, i32>
|
|
]>;
|
|
|
|
def SDT_PPCcondbr : SDTypeProfile<0, 3, [
|
|
SDTCisVT<1, i32>, SDTCisVT<2, OtherVT>
|
|
]>;
|
|
|
|
def SDT_PPClbrx : SDTypeProfile<1, 3, [
|
|
SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>, SDTCisVT<3, OtherVT>
|
|
]>;
|
|
def SDT_PPCstbrx : SDTypeProfile<0, 4, [
|
|
SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>, SDTCisVT<3, OtherVT>
|
|
]>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// PowerPC specific DAG Nodes.
|
|
//
|
|
|
|
def PPCfcfid : SDNode<"PPCISD::FCFID" , SDTFPUnaryOp, []>;
|
|
def PPCfctidz : SDNode<"PPCISD::FCTIDZ", SDTFPUnaryOp, []>;
|
|
def PPCfctiwz : SDNode<"PPCISD::FCTIWZ", SDTFPUnaryOp, []>;
|
|
def PPCstfiwx : SDNode<"PPCISD::STFIWX", SDT_PPCstfiwx, [SDNPHasChain]>;
|
|
|
|
def PPCfsel : SDNode<"PPCISD::FSEL",
|
|
// Type constraint for fsel.
|
|
SDTypeProfile<1, 3, [SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>,
|
|
SDTCisFP<0>, SDTCisVT<1, f64>]>, []>;
|
|
|
|
def PPChi : SDNode<"PPCISD::Hi", SDTIntBinOp, []>;
|
|
def PPClo : SDNode<"PPCISD::Lo", SDTIntBinOp, []>;
|
|
def PPCvmaddfp : SDNode<"PPCISD::VMADDFP", SDTFPTernaryOp, []>;
|
|
def PPCvnmsubfp : SDNode<"PPCISD::VNMSUBFP", SDTFPTernaryOp, []>;
|
|
|
|
def PPCvperm : SDNode<"PPCISD::VPERM", SDT_PPCvperm, []>;
|
|
|
|
// These nodes represent the 32-bit PPC shifts that operate on 6-bit shift
|
|
// amounts. These nodes are generated by the multi-precision shift code.
|
|
def PPCsrl : SDNode<"PPCISD::SRL" , SDT_PPCShiftOp>;
|
|
def PPCsra : SDNode<"PPCISD::SRA" , SDT_PPCShiftOp>;
|
|
def PPCshl : SDNode<"PPCISD::SHL" , SDT_PPCShiftOp>;
|
|
|
|
def PPCextsw_32 : SDNode<"PPCISD::EXTSW_32" , SDTIntUnaryOp>;
|
|
def PPCstd_32 : SDNode<"PPCISD::STD_32" , SDTStore, [SDNPHasChain]>;
|
|
|
|
// These are target-independent nodes, but have target-specific formats.
|
|
def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_PPCCallSeq,
|
|
[SDNPHasChain, SDNPOutFlag]>;
|
|
def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_PPCCallSeq,
|
|
[SDNPHasChain, SDNPOutFlag]>;
|
|
|
|
def SDT_PPCCall : SDTypeProfile<0, -1, [SDTCisInt<0>]>;
|
|
def PPCcall : SDNode<"PPCISD::CALL", SDT_PPCCall,
|
|
[SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
|
|
def PPCmtctr : SDNode<"PPCISD::MTCTR", SDT_PPCCall,
|
|
[SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
|
|
def PPCbctrl : SDNode<"PPCISD::BCTRL", SDTRet,
|
|
[SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
|
|
|
|
def retflag : SDNode<"PPCISD::RET_FLAG", SDTRet,
|
|
[SDNPHasChain, SDNPOptInFlag]>;
|
|
|
|
def PPCvcmp : SDNode<"PPCISD::VCMP" , SDT_PPCvcmp, []>;
|
|
def PPCvcmp_o : SDNode<"PPCISD::VCMPo", SDT_PPCvcmp, [SDNPOutFlag]>;
|
|
|
|
def PPCcondbranch : SDNode<"PPCISD::COND_BRANCH", SDT_PPCcondbr,
|
|
[SDNPHasChain, SDNPOptInFlag]>;
|
|
|
|
def PPClbrx : SDNode<"PPCISD::LBRX", SDT_PPClbrx, [SDNPHasChain]>;
|
|
def PPCstbrx : SDNode<"PPCISD::STBRX", SDT_PPCstbrx, [SDNPHasChain]>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// PowerPC specific transformation functions and pattern fragments.
|
|
//
|
|
|
|
def SHL32 : SDNodeXForm<imm, [{
|
|
// Transformation function: 31 - imm
|
|
return getI32Imm(31 - N->getValue());
|
|
}]>;
|
|
|
|
def SRL32 : SDNodeXForm<imm, [{
|
|
// Transformation function: 32 - imm
|
|
return N->getValue() ? getI32Imm(32 - N->getValue()) : getI32Imm(0);
|
|
}]>;
|
|
|
|
def LO16 : SDNodeXForm<imm, [{
|
|
// Transformation function: get the low 16 bits.
|
|
return getI32Imm((unsigned short)N->getValue());
|
|
}]>;
|
|
|
|
def HI16 : SDNodeXForm<imm, [{
|
|
// Transformation function: shift the immediate value down into the low bits.
|
|
return getI32Imm((unsigned)N->getValue() >> 16);
|
|
}]>;
|
|
|
|
def HA16 : SDNodeXForm<imm, [{
|
|
// Transformation function: shift the immediate value down into the low bits.
|
|
signed int Val = N->getValue();
|
|
return getI32Imm((Val - (signed short)Val) >> 16);
|
|
}]>;
|
|
def MB : SDNodeXForm<imm, [{
|
|
// Transformation function: get the start bit of a mask
|
|
unsigned mb, me;
|
|
(void)isRunOfOnes((unsigned)N->getValue(), mb, me);
|
|
return getI32Imm(mb);
|
|
}]>;
|
|
|
|
def ME : SDNodeXForm<imm, [{
|
|
// Transformation function: get the end bit of a mask
|
|
unsigned mb, me;
|
|
(void)isRunOfOnes((unsigned)N->getValue(), mb, me);
|
|
return getI32Imm(me);
|
|
}]>;
|
|
def maskimm32 : PatLeaf<(imm), [{
|
|
// maskImm predicate - True if immediate is a run of ones.
|
|
unsigned mb, me;
|
|
if (N->getValueType(0) == MVT::i32)
|
|
return isRunOfOnes((unsigned)N->getValue(), mb, me);
|
|
else
|
|
return false;
|
|
}]>;
|
|
|
|
def immSExt16 : PatLeaf<(imm), [{
|
|
// immSExt16 predicate - True if the immediate fits in a 16-bit sign extended
|
|
// field. Used by instructions like 'addi'.
|
|
if (N->getValueType(0) == MVT::i32)
|
|
return (int32_t)N->getValue() == (short)N->getValue();
|
|
else
|
|
return (int64_t)N->getValue() == (short)N->getValue();
|
|
}]>;
|
|
def immZExt16 : PatLeaf<(imm), [{
|
|
// immZExt16 predicate - True if the immediate fits in a 16-bit zero extended
|
|
// field. Used by instructions like 'ori'.
|
|
return (uint64_t)N->getValue() == (unsigned short)N->getValue();
|
|
}], LO16>;
|
|
|
|
// imm16Shifted* - These match immediates where the low 16-bits are zero. There
|
|
// are two forms: imm16ShiftedSExt and imm16ShiftedZExt. These two forms are
|
|
// identical in 32-bit mode, but in 64-bit mode, they return true if the
|
|
// immediate fits into a sign/zero extended 32-bit immediate (with the low bits
|
|
// clear).
|
|
def imm16ShiftedZExt : PatLeaf<(imm), [{
|
|
// imm16ShiftedZExt predicate - True if only bits in the top 16-bits of the
|
|
// immediate are set. Used by instructions like 'xoris'.
|
|
return (N->getValue() & ~uint64_t(0xFFFF0000)) == 0;
|
|
}], HI16>;
|
|
|
|
def imm16ShiftedSExt : PatLeaf<(imm), [{
|
|
// imm16ShiftedSExt predicate - True if only bits in the top 16-bits of the
|
|
// immediate are set. Used by instructions like 'addis'. Identical to
|
|
// imm16ShiftedZExt in 32-bit mode.
|
|
if (N->getValue() & 0xFFFF) return false;
|
|
if (N->getValueType(0) == MVT::i32)
|
|
return true;
|
|
// For 64-bit, make sure it is sext right.
|
|
return N->getValue() == (uint64_t)(int)N->getValue();
|
|
}], HI16>;
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// PowerPC Flag Definitions.
|
|
|
|
class isPPC64 { bit PPC64 = 1; }
|
|
class isDOT {
|
|
list<Register> Defs = [CR0];
|
|
bit RC = 1;
|
|
}
|
|
|
|
class RegConstraint<string C> {
|
|
string Constraints = C;
|
|
}
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// PowerPC Operand Definitions.
|
|
|
|
def s5imm : Operand<i32> {
|
|
let PrintMethod = "printS5ImmOperand";
|
|
}
|
|
def u5imm : Operand<i32> {
|
|
let PrintMethod = "printU5ImmOperand";
|
|
}
|
|
def u6imm : Operand<i32> {
|
|
let PrintMethod = "printU6ImmOperand";
|
|
}
|
|
def s16imm : Operand<i32> {
|
|
let PrintMethod = "printS16ImmOperand";
|
|
}
|
|
def u16imm : Operand<i32> {
|
|
let PrintMethod = "printU16ImmOperand";
|
|
}
|
|
def s16immX4 : Operand<i32> { // Multiply imm by 4 before printing.
|
|
let PrintMethod = "printS16X4ImmOperand";
|
|
}
|
|
def target : Operand<OtherVT> {
|
|
let PrintMethod = "printBranchOperand";
|
|
}
|
|
def calltarget : Operand<iPTR> {
|
|
let PrintMethod = "printCallOperand";
|
|
}
|
|
def aaddr : Operand<iPTR> {
|
|
let PrintMethod = "printAbsAddrOperand";
|
|
}
|
|
def piclabel: Operand<iPTR> {
|
|
let PrintMethod = "printPICLabel";
|
|
}
|
|
def symbolHi: Operand<i32> {
|
|
let PrintMethod = "printSymbolHi";
|
|
}
|
|
def symbolLo: Operand<i32> {
|
|
let PrintMethod = "printSymbolLo";
|
|
}
|
|
def crbitm: Operand<i8> {
|
|
let PrintMethod = "printcrbitm";
|
|
}
|
|
// Address operands
|
|
def memri : Operand<iPTR> {
|
|
let PrintMethod = "printMemRegImm";
|
|
let MIOperandInfo = (ops i32imm, ptr_rc);
|
|
}
|
|
def memrr : Operand<iPTR> {
|
|
let PrintMethod = "printMemRegReg";
|
|
let MIOperandInfo = (ops ptr_rc, ptr_rc);
|
|
}
|
|
def memrix : Operand<iPTR> { // memri where the imm is shifted 2 bits.
|
|
let PrintMethod = "printMemRegImmShifted";
|
|
let MIOperandInfo = (ops i32imm, ptr_rc);
|
|
}
|
|
|
|
// PowerPC Predicate operand. 20 = (0<<5)|20 = always, CR0 is a dummy reg
|
|
// that doesn't matter.
|
|
def pred : PredicateOperand<(ops imm, CRRC), (ops (i32 20), CR0)> {
|
|
let PrintMethod = "printPredicateOperand";
|
|
}
|
|
|
|
// Define PowerPC specific addressing mode.
|
|
def iaddr : ComplexPattern<iPTR, 2, "SelectAddrImm", [], []>;
|
|
def xaddr : ComplexPattern<iPTR, 2, "SelectAddrIdx", [], []>;
|
|
def xoaddr : ComplexPattern<iPTR, 2, "SelectAddrIdxOnly",[], []>;
|
|
def ixaddr : ComplexPattern<iPTR, 2, "SelectAddrImmShift", [], []>; // "std"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// PowerPC Instruction Predicate Definitions.
|
|
def FPContractions : Predicate<"!NoExcessFPPrecision">;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// PowerPC Instruction Definitions.
|
|
|
|
// Pseudo-instructions:
|
|
|
|
let hasCtrlDep = 1 in {
|
|
def ADJCALLSTACKDOWN : Pseudo<(ops u16imm:$amt),
|
|
"${:comment} ADJCALLSTACKDOWN",
|
|
[(callseq_start imm:$amt)]>, Imp<[R1],[R1]>;
|
|
def ADJCALLSTACKUP : Pseudo<(ops u16imm:$amt),
|
|
"${:comment} ADJCALLSTACKUP",
|
|
[(callseq_end imm:$amt)]>, Imp<[R1],[R1]>;
|
|
|
|
def UPDATE_VRSAVE : Pseudo<(ops GPRC:$rD, GPRC:$rS),
|
|
"UPDATE_VRSAVE $rD, $rS", []>;
|
|
}
|
|
def IMPLICIT_DEF_GPRC: Pseudo<(ops GPRC:$rD),"${:comment}IMPLICIT_DEF_GPRC $rD",
|
|
[(set GPRC:$rD, (undef))]>;
|
|
def IMPLICIT_DEF_F8 : Pseudo<(ops F8RC:$rD), "${:comment} IMPLICIT_DEF_F8 $rD",
|
|
[(set F8RC:$rD, (undef))]>;
|
|
def IMPLICIT_DEF_F4 : Pseudo<(ops F4RC:$rD), "${:comment} IMPLICIT_DEF_F4 $rD",
|
|
[(set F4RC:$rD, (undef))]>;
|
|
|
|
// SELECT_CC_* - Used to implement the SELECT_CC DAG operation. Expanded by the
|
|
// scheduler into a branch sequence.
|
|
let usesCustomDAGSchedInserter = 1, // Expanded by the scheduler.
|
|
PPC970_Single = 1 in {
|
|
def SELECT_CC_I4 : Pseudo<(ops GPRC:$dst, CRRC:$cond, GPRC:$T, GPRC:$F,
|
|
i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
|
|
[]>;
|
|
def SELECT_CC_I8 : Pseudo<(ops G8RC:$dst, CRRC:$cond, G8RC:$T, G8RC:$F,
|
|
i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
|
|
[]>;
|
|
def SELECT_CC_F4 : Pseudo<(ops F4RC:$dst, CRRC:$cond, F4RC:$T, F4RC:$F,
|
|
i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
|
|
[]>;
|
|
def SELECT_CC_F8 : Pseudo<(ops F8RC:$dst, CRRC:$cond, F8RC:$T, F8RC:$F,
|
|
i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
|
|
[]>;
|
|
def SELECT_CC_VRRC: Pseudo<(ops VRRC:$dst, CRRC:$cond, VRRC:$T, VRRC:$F,
|
|
i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
|
|
[]>;
|
|
}
|
|
|
|
let isTerminator = 1, isBarrier = 1, noResults = 1, PPC970_Unit = 7 in {
|
|
let isReturn = 1 in
|
|
def BLR : XLForm_2_br<19, 16, 0,
|
|
(ops pred:$p),
|
|
"b${p:cc}lr ${p:reg}", BrB,
|
|
[(retflag)]>;
|
|
def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (ops), "bctr", BrB, []>;
|
|
}
|
|
|
|
|
|
let Defs = [LR] in
|
|
def MovePCtoLR : Pseudo<(ops piclabel:$label), "bl $label", []>,
|
|
PPC970_Unit_BRU;
|
|
|
|
let isBranch = 1, isTerminator = 1, hasCtrlDep = 1,
|
|
noResults = 1, PPC970_Unit = 7 in {
|
|
// COND_BRANCH is formed before branch selection, it is turned into Bcc below.
|
|
def COND_BRANCH : Pseudo<(ops CRRC:$crS, u16imm:$opc, target:$dst),
|
|
"${:comment} COND_BRANCH $crS, $opc, $dst",
|
|
[(PPCcondbranch CRRC:$crS, imm:$opc, bb:$dst)]>;
|
|
let isBarrier = 1 in {
|
|
def B : IForm<18, 0, 0, (ops target:$dst),
|
|
"b $dst", BrB,
|
|
[(br bb:$dst)]>;
|
|
}
|
|
|
|
def BLT : BForm<16, 0, 0, 12, 0, (ops CRRC:$crS, target:$block),
|
|
"blt $crS, $block", BrB>;
|
|
def BLE : BForm<16, 0, 0, 4, 1, (ops CRRC:$crS, target:$block),
|
|
"ble $crS, $block", BrB>;
|
|
def BEQ : BForm<16, 0, 0, 12, 2, (ops CRRC:$crS, target:$block),
|
|
"beq $crS, $block", BrB>;
|
|
def BGE : BForm<16, 0, 0, 4, 0, (ops CRRC:$crS, target:$block),
|
|
"bge $crS, $block", BrB>;
|
|
def BGT : BForm<16, 0, 0, 12, 1, (ops CRRC:$crS, target:$block),
|
|
"bgt $crS, $block", BrB>;
|
|
def BNE : BForm<16, 0, 0, 4, 2, (ops CRRC:$crS, target:$block),
|
|
"bne $crS, $block", BrB>;
|
|
def BUN : BForm<16, 0, 0, 12, 3, (ops CRRC:$crS, target:$block),
|
|
"bun $crS, $block", BrB>;
|
|
def BNU : BForm<16, 0, 0, 4, 3, (ops CRRC:$crS, target:$block),
|
|
"bnu $crS, $block", BrB>;
|
|
}
|
|
|
|
let isCall = 1, noResults = 1, PPC970_Unit = 7,
|
|
// All calls clobber the non-callee saved registers...
|
|
Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
|
|
F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
|
|
V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
|
|
LR,CTR,
|
|
CR0,CR1,CR5,CR6,CR7] in {
|
|
// Convenient aliases for call instructions
|
|
def BL : IForm<18, 0, 1, (ops calltarget:$func, variable_ops),
|
|
"bl $func", BrB, []>; // See Pat patterns below.
|
|
def BLA : IForm<18, 1, 1, (ops aaddr:$func, variable_ops),
|
|
"bla $func", BrB, [(PPCcall (i32 imm:$func))]>;
|
|
def BCTRL : XLForm_2_ext<19, 528, 20, 0, 1, (ops variable_ops), "bctrl", BrB,
|
|
[(PPCbctrl)]>;
|
|
}
|
|
|
|
// DCB* instructions.
|
|
def DCBA : DCB_Form<758, 0, (ops memrr:$dst),
|
|
"dcba $dst", LdStDCBF, [(int_ppc_dcba xoaddr:$dst)]>,
|
|
PPC970_DGroup_Single;
|
|
def DCBF : DCB_Form<86, 0, (ops memrr:$dst),
|
|
"dcbf $dst", LdStDCBF, [(int_ppc_dcbf xoaddr:$dst)]>,
|
|
PPC970_DGroup_Single;
|
|
def DCBI : DCB_Form<470, 0, (ops memrr:$dst),
|
|
"dcbi $dst", LdStDCBF, [(int_ppc_dcbi xoaddr:$dst)]>,
|
|
PPC970_DGroup_Single;
|
|
def DCBST : DCB_Form<54, 0, (ops memrr:$dst),
|
|
"dcbst $dst", LdStDCBF, [(int_ppc_dcbst xoaddr:$dst)]>,
|
|
PPC970_DGroup_Single;
|
|
def DCBT : DCB_Form<278, 0, (ops memrr:$dst),
|
|
"dcbt $dst", LdStDCBF, [(int_ppc_dcbt xoaddr:$dst)]>,
|
|
PPC970_DGroup_Single;
|
|
def DCBTST : DCB_Form<246, 0, (ops memrr:$dst),
|
|
"dcbtst $dst", LdStDCBF, [(int_ppc_dcbtst xoaddr:$dst)]>,
|
|
PPC970_DGroup_Single;
|
|
def DCBZ : DCB_Form<1014, 0, (ops memrr:$dst),
|
|
"dcbz $dst", LdStDCBF, [(int_ppc_dcbz xoaddr:$dst)]>,
|
|
PPC970_DGroup_Single;
|
|
def DCBZL : DCB_Form<1014, 1, (ops memrr:$dst),
|
|
"dcbzl $dst", LdStDCBF, [(int_ppc_dcbzl xoaddr:$dst)]>,
|
|
PPC970_DGroup_Single;
|
|
|
|
// D-Form instructions. Most instructions that perform an operation on a
|
|
// register and an immediate are of this type.
|
|
//
|
|
let isLoad = 1, PPC970_Unit = 2 in {
|
|
def LBZ : DForm_1<34, (ops GPRC:$rD, memri:$src),
|
|
"lbz $rD, $src", LdStGeneral,
|
|
[(set GPRC:$rD, (zextloadi8 iaddr:$src))]>;
|
|
def LHA : DForm_1<42, (ops GPRC:$rD, memri:$src),
|
|
"lha $rD, $src", LdStLHA,
|
|
[(set GPRC:$rD, (sextloadi16 iaddr:$src))]>,
|
|
PPC970_DGroup_Cracked;
|
|
def LHZ : DForm_1<40, (ops GPRC:$rD, memri:$src),
|
|
"lhz $rD, $src", LdStGeneral,
|
|
[(set GPRC:$rD, (zextloadi16 iaddr:$src))]>;
|
|
def LWZ : DForm_1<32, (ops GPRC:$rD, memri:$src),
|
|
"lwz $rD, $src", LdStGeneral,
|
|
[(set GPRC:$rD, (load iaddr:$src))]>;
|
|
|
|
def LWZU : DForm_1<33, (ops GPRC:$rD, GPRC:$rA_result, i32imm:$disp, GPRC:$rA),
|
|
"lwzu $rD, $disp($rA)", LdStGeneral,
|
|
[]>, RegConstraint<"$rA = $rA_result">;
|
|
}
|
|
|
|
|
|
let PPC970_Unit = 1 in { // FXU Operations.
|
|
def ADDI : DForm_2<14, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
|
|
"addi $rD, $rA, $imm", IntGeneral,
|
|
[(set GPRC:$rD, (add GPRC:$rA, immSExt16:$imm))]>;
|
|
def ADDIC : DForm_2<12, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
|
|
"addic $rD, $rA, $imm", IntGeneral,
|
|
[(set GPRC:$rD, (addc GPRC:$rA, immSExt16:$imm))]>,
|
|
PPC970_DGroup_Cracked;
|
|
def ADDICo : DForm_2<13, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
|
|
"addic. $rD, $rA, $imm", IntGeneral,
|
|
[]>;
|
|
def ADDIS : DForm_2<15, (ops GPRC:$rD, GPRC:$rA, symbolHi:$imm),
|
|
"addis $rD, $rA, $imm", IntGeneral,
|
|
[(set GPRC:$rD, (add GPRC:$rA, imm16ShiftedSExt:$imm))]>;
|
|
def LA : DForm_2<14, (ops GPRC:$rD, GPRC:$rA, symbolLo:$sym),
|
|
"la $rD, $sym($rA)", IntGeneral,
|
|
[(set GPRC:$rD, (add GPRC:$rA,
|
|
(PPClo tglobaladdr:$sym, 0)))]>;
|
|
def MULLI : DForm_2< 7, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
|
|
"mulli $rD, $rA, $imm", IntMulLI,
|
|
[(set GPRC:$rD, (mul GPRC:$rA, immSExt16:$imm))]>;
|
|
def SUBFIC : DForm_2< 8, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
|
|
"subfic $rD, $rA, $imm", IntGeneral,
|
|
[(set GPRC:$rD, (subc immSExt16:$imm, GPRC:$rA))]>;
|
|
def LI : DForm_2_r0<14, (ops GPRC:$rD, symbolLo:$imm),
|
|
"li $rD, $imm", IntGeneral,
|
|
[(set GPRC:$rD, immSExt16:$imm)]>;
|
|
def LIS : DForm_2_r0<15, (ops GPRC:$rD, symbolHi:$imm),
|
|
"lis $rD, $imm", IntGeneral,
|
|
[(set GPRC:$rD, imm16ShiftedSExt:$imm)]>;
|
|
}
|
|
let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
|
|
def STB : DForm_3<38, (ops GPRC:$rS, memri:$src),
|
|
"stb $rS, $src", LdStGeneral,
|
|
[(truncstorei8 GPRC:$rS, iaddr:$src)]>;
|
|
def STH : DForm_3<44, (ops GPRC:$rS, memri:$src),
|
|
"sth $rS, $src", LdStGeneral,
|
|
[(truncstorei16 GPRC:$rS, iaddr:$src)]>;
|
|
def STW : DForm_3<36, (ops GPRC:$rS, memri:$src),
|
|
"stw $rS, $src", LdStGeneral,
|
|
[(store GPRC:$rS, iaddr:$src)]>;
|
|
def STWU : DForm_3<37, (ops GPRC:$rS, s16imm:$disp, GPRC:$rA),
|
|
"stwu $rS, $disp($rA)", LdStGeneral,
|
|
[]>;
|
|
}
|
|
let PPC970_Unit = 1 in { // FXU Operations.
|
|
def ANDIo : DForm_4<28, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
|
|
"andi. $dst, $src1, $src2", IntGeneral,
|
|
[(set GPRC:$dst, (and GPRC:$src1, immZExt16:$src2))]>,
|
|
isDOT;
|
|
def ANDISo : DForm_4<29, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
|
|
"andis. $dst, $src1, $src2", IntGeneral,
|
|
[(set GPRC:$dst, (and GPRC:$src1,imm16ShiftedZExt:$src2))]>,
|
|
isDOT;
|
|
def ORI : DForm_4<24, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
|
|
"ori $dst, $src1, $src2", IntGeneral,
|
|
[(set GPRC:$dst, (or GPRC:$src1, immZExt16:$src2))]>;
|
|
def ORIS : DForm_4<25, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
|
|
"oris $dst, $src1, $src2", IntGeneral,
|
|
[(set GPRC:$dst, (or GPRC:$src1, imm16ShiftedZExt:$src2))]>;
|
|
def XORI : DForm_4<26, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
|
|
"xori $dst, $src1, $src2", IntGeneral,
|
|
[(set GPRC:$dst, (xor GPRC:$src1, immZExt16:$src2))]>;
|
|
def XORIS : DForm_4<27, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
|
|
"xoris $dst, $src1, $src2", IntGeneral,
|
|
[(set GPRC:$dst, (xor GPRC:$src1,imm16ShiftedZExt:$src2))]>;
|
|
def NOP : DForm_4_zero<24, (ops), "nop", IntGeneral,
|
|
[]>;
|
|
def CMPWI : DForm_5_ext<11, (ops CRRC:$crD, GPRC:$rA, s16imm:$imm),
|
|
"cmpwi $crD, $rA, $imm", IntCompare>;
|
|
def CMPLWI : DForm_6_ext<10, (ops CRRC:$dst, GPRC:$src1, u16imm:$src2),
|
|
"cmplwi $dst, $src1, $src2", IntCompare>;
|
|
}
|
|
let isLoad = 1, PPC970_Unit = 2 in {
|
|
def LFS : DForm_8<48, (ops F4RC:$rD, memri:$src),
|
|
"lfs $rD, $src", LdStLFDU,
|
|
[(set F4RC:$rD, (load iaddr:$src))]>;
|
|
def LFD : DForm_8<50, (ops F8RC:$rD, memri:$src),
|
|
"lfd $rD, $src", LdStLFD,
|
|
[(set F8RC:$rD, (load iaddr:$src))]>;
|
|
}
|
|
let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
|
|
def STFS : DForm_9<52, (ops F4RC:$rS, memri:$dst),
|
|
"stfs $rS, $dst", LdStUX,
|
|
[(store F4RC:$rS, iaddr:$dst)]>;
|
|
def STFD : DForm_9<54, (ops F8RC:$rS, memri:$dst),
|
|
"stfd $rS, $dst", LdStUX,
|
|
[(store F8RC:$rS, iaddr:$dst)]>;
|
|
}
|
|
|
|
// X-Form instructions. Most instructions that perform an operation on a
|
|
// register and another register are of this type.
|
|
//
|
|
let isLoad = 1, PPC970_Unit = 2 in {
|
|
def LBZX : XForm_1<31, 87, (ops GPRC:$rD, memrr:$src),
|
|
"lbzx $rD, $src", LdStGeneral,
|
|
[(set GPRC:$rD, (zextloadi8 xaddr:$src))]>;
|
|
def LHAX : XForm_1<31, 343, (ops GPRC:$rD, memrr:$src),
|
|
"lhax $rD, $src", LdStLHA,
|
|
[(set GPRC:$rD, (sextloadi16 xaddr:$src))]>,
|
|
PPC970_DGroup_Cracked;
|
|
def LHZX : XForm_1<31, 279, (ops GPRC:$rD, memrr:$src),
|
|
"lhzx $rD, $src", LdStGeneral,
|
|
[(set GPRC:$rD, (zextloadi16 xaddr:$src))]>;
|
|
def LWZX : XForm_1<31, 23, (ops GPRC:$rD, memrr:$src),
|
|
"lwzx $rD, $src", LdStGeneral,
|
|
[(set GPRC:$rD, (load xaddr:$src))]>;
|
|
|
|
|
|
def LHBRX : XForm_1<31, 790, (ops GPRC:$rD, memrr:$src),
|
|
"lhbrx $rD, $src", LdStGeneral,
|
|
[(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i16))]>;
|
|
def LWBRX : XForm_1<31, 534, (ops GPRC:$rD, memrr:$src),
|
|
"lwbrx $rD, $src", LdStGeneral,
|
|
[(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i32))]>;
|
|
|
|
}
|
|
|
|
let PPC970_Unit = 1 in { // FXU Operations.
|
|
def NAND : XForm_6<31, 476, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
|
|
"nand $rA, $rS, $rB", IntGeneral,
|
|
[(set GPRC:$rA, (not (and GPRC:$rS, GPRC:$rB)))]>;
|
|
def AND : XForm_6<31, 28, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
|
|
"and $rA, $rS, $rB", IntGeneral,
|
|
[(set GPRC:$rA, (and GPRC:$rS, GPRC:$rB))]>;
|
|
def ANDC : XForm_6<31, 60, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
|
|
"andc $rA, $rS, $rB", IntGeneral,
|
|
[(set GPRC:$rA, (and GPRC:$rS, (not GPRC:$rB)))]>;
|
|
def OR : XForm_6<31, 444, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
|
|
"or $rA, $rS, $rB", IntGeneral,
|
|
[(set GPRC:$rA, (or GPRC:$rS, GPRC:$rB))]>;
|
|
def NOR : XForm_6<31, 124, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
|
|
"nor $rA, $rS, $rB", IntGeneral,
|
|
[(set GPRC:$rA, (not (or GPRC:$rS, GPRC:$rB)))]>;
|
|
def ORC : XForm_6<31, 412, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
|
|
"orc $rA, $rS, $rB", IntGeneral,
|
|
[(set GPRC:$rA, (or GPRC:$rS, (not GPRC:$rB)))]>;
|
|
def EQV : XForm_6<31, 284, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
|
|
"eqv $rA, $rS, $rB", IntGeneral,
|
|
[(set GPRC:$rA, (not (xor GPRC:$rS, GPRC:$rB)))]>;
|
|
def XOR : XForm_6<31, 316, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
|
|
"xor $rA, $rS, $rB", IntGeneral,
|
|
[(set GPRC:$rA, (xor GPRC:$rS, GPRC:$rB))]>;
|
|
def SLW : XForm_6<31, 24, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
|
|
"slw $rA, $rS, $rB", IntGeneral,
|
|
[(set GPRC:$rA, (PPCshl GPRC:$rS, GPRC:$rB))]>;
|
|
def SRW : XForm_6<31, 536, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
|
|
"srw $rA, $rS, $rB", IntGeneral,
|
|
[(set GPRC:$rA, (PPCsrl GPRC:$rS, GPRC:$rB))]>;
|
|
def SRAW : XForm_6<31, 792, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
|
|
"sraw $rA, $rS, $rB", IntShift,
|
|
[(set GPRC:$rA, (PPCsra GPRC:$rS, GPRC:$rB))]>;
|
|
}
|
|
let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
|
|
def STBX : XForm_8<31, 215, (ops GPRC:$rS, memrr:$dst),
|
|
"stbx $rS, $dst", LdStGeneral,
|
|
[(truncstorei8 GPRC:$rS, xaddr:$dst)]>,
|
|
PPC970_DGroup_Cracked;
|
|
def STHX : XForm_8<31, 407, (ops GPRC:$rS, memrr:$dst),
|
|
"sthx $rS, $dst", LdStGeneral,
|
|
[(truncstorei16 GPRC:$rS, xaddr:$dst)]>,
|
|
PPC970_DGroup_Cracked;
|
|
def STWX : XForm_8<31, 151, (ops GPRC:$rS, memrr:$dst),
|
|
"stwx $rS, $dst", LdStGeneral,
|
|
[(store GPRC:$rS, xaddr:$dst)]>,
|
|
PPC970_DGroup_Cracked;
|
|
def STWUX : XForm_8<31, 183, (ops GPRC:$rS, GPRC:$rA, GPRC:$rB),
|
|
"stwux $rS, $rA, $rB", LdStGeneral,
|
|
[]>;
|
|
def STHBRX: XForm_8<31, 918, (ops GPRC:$rS, memrr:$dst),
|
|
"sthbrx $rS, $dst", LdStGeneral,
|
|
[(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i16)]>,
|
|
PPC970_DGroup_Cracked;
|
|
def STWBRX: XForm_8<31, 662, (ops GPRC:$rS, memrr:$dst),
|
|
"stwbrx $rS, $dst", LdStGeneral,
|
|
[(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i32)]>,
|
|
PPC970_DGroup_Cracked;
|
|
}
|
|
let PPC970_Unit = 1 in { // FXU Operations.
|
|
def SRAWI : XForm_10<31, 824, (ops GPRC:$rA, GPRC:$rS, u5imm:$SH),
|
|
"srawi $rA, $rS, $SH", IntShift,
|
|
[(set GPRC:$rA, (sra GPRC:$rS, (i32 imm:$SH)))]>;
|
|
def CNTLZW : XForm_11<31, 26, (ops GPRC:$rA, GPRC:$rS),
|
|
"cntlzw $rA, $rS", IntGeneral,
|
|
[(set GPRC:$rA, (ctlz GPRC:$rS))]>;
|
|
def EXTSB : XForm_11<31, 954, (ops GPRC:$rA, GPRC:$rS),
|
|
"extsb $rA, $rS", IntGeneral,
|
|
[(set GPRC:$rA, (sext_inreg GPRC:$rS, i8))]>;
|
|
def EXTSH : XForm_11<31, 922, (ops GPRC:$rA, GPRC:$rS),
|
|
"extsh $rA, $rS", IntGeneral,
|
|
[(set GPRC:$rA, (sext_inreg GPRC:$rS, i16))]>;
|
|
|
|
def CMPW : XForm_16_ext<31, 0, (ops CRRC:$crD, GPRC:$rA, GPRC:$rB),
|
|
"cmpw $crD, $rA, $rB", IntCompare>;
|
|
def CMPLW : XForm_16_ext<31, 32, (ops CRRC:$crD, GPRC:$rA, GPRC:$rB),
|
|
"cmplw $crD, $rA, $rB", IntCompare>;
|
|
}
|
|
let PPC970_Unit = 3 in { // FPU Operations.
|
|
//def FCMPO : XForm_17<63, 32, (ops CRRC:$crD, FPRC:$fA, FPRC:$fB),
|
|
// "fcmpo $crD, $fA, $fB", FPCompare>;
|
|
def FCMPUS : XForm_17<63, 0, (ops CRRC:$crD, F4RC:$fA, F4RC:$fB),
|
|
"fcmpu $crD, $fA, $fB", FPCompare>;
|
|
def FCMPUD : XForm_17<63, 0, (ops CRRC:$crD, F8RC:$fA, F8RC:$fB),
|
|
"fcmpu $crD, $fA, $fB", FPCompare>;
|
|
}
|
|
let isLoad = 1, PPC970_Unit = 2 in {
|
|
def LFSX : XForm_25<31, 535, (ops F4RC:$frD, memrr:$src),
|
|
"lfsx $frD, $src", LdStLFDU,
|
|
[(set F4RC:$frD, (load xaddr:$src))]>;
|
|
def LFDX : XForm_25<31, 599, (ops F8RC:$frD, memrr:$src),
|
|
"lfdx $frD, $src", LdStLFDU,
|
|
[(set F8RC:$frD, (load xaddr:$src))]>;
|
|
}
|
|
let PPC970_Unit = 3 in { // FPU Operations.
|
|
def FCTIWZ : XForm_26<63, 15, (ops F8RC:$frD, F8RC:$frB),
|
|
"fctiwz $frD, $frB", FPGeneral,
|
|
[(set F8RC:$frD, (PPCfctiwz F8RC:$frB))]>;
|
|
def FRSP : XForm_26<63, 12, (ops F4RC:$frD, F8RC:$frB),
|
|
"frsp $frD, $frB", FPGeneral,
|
|
[(set F4RC:$frD, (fround F8RC:$frB))]>;
|
|
def FSQRT : XForm_26<63, 22, (ops F8RC:$frD, F8RC:$frB),
|
|
"fsqrt $frD, $frB", FPSqrt,
|
|
[(set F8RC:$frD, (fsqrt F8RC:$frB))]>;
|
|
def FSQRTS : XForm_26<59, 22, (ops F4RC:$frD, F4RC:$frB),
|
|
"fsqrts $frD, $frB", FPSqrt,
|
|
[(set F4RC:$frD, (fsqrt F4RC:$frB))]>;
|
|
}
|
|
|
|
/// FMR is split into 3 versions, one for 4/8 byte FP, and one for extending.
|
|
///
|
|
/// Note that these are defined as pseudo-ops on the PPC970 because they are
|
|
/// often coalesced away and we don't want the dispatch group builder to think
|
|
/// that they will fill slots (which could cause the load of a LSU reject to
|
|
/// sneak into a d-group with a store).
|
|
def FMRS : XForm_26<63, 72, (ops F4RC:$frD, F4RC:$frB),
|
|
"fmr $frD, $frB", FPGeneral,
|
|
[]>, // (set F4RC:$frD, F4RC:$frB)
|
|
PPC970_Unit_Pseudo;
|
|
def FMRD : XForm_26<63, 72, (ops F8RC:$frD, F8RC:$frB),
|
|
"fmr $frD, $frB", FPGeneral,
|
|
[]>, // (set F8RC:$frD, F8RC:$frB)
|
|
PPC970_Unit_Pseudo;
|
|
def FMRSD : XForm_26<63, 72, (ops F8RC:$frD, F4RC:$frB),
|
|
"fmr $frD, $frB", FPGeneral,
|
|
[(set F8RC:$frD, (fextend F4RC:$frB))]>,
|
|
PPC970_Unit_Pseudo;
|
|
|
|
let PPC970_Unit = 3 in { // FPU Operations.
|
|
// These are artificially split into two different forms, for 4/8 byte FP.
|
|
def FABSS : XForm_26<63, 264, (ops F4RC:$frD, F4RC:$frB),
|
|
"fabs $frD, $frB", FPGeneral,
|
|
[(set F4RC:$frD, (fabs F4RC:$frB))]>;
|
|
def FABSD : XForm_26<63, 264, (ops F8RC:$frD, F8RC:$frB),
|
|
"fabs $frD, $frB", FPGeneral,
|
|
[(set F8RC:$frD, (fabs F8RC:$frB))]>;
|
|
def FNABSS : XForm_26<63, 136, (ops F4RC:$frD, F4RC:$frB),
|
|
"fnabs $frD, $frB", FPGeneral,
|
|
[(set F4RC:$frD, (fneg (fabs F4RC:$frB)))]>;
|
|
def FNABSD : XForm_26<63, 136, (ops F8RC:$frD, F8RC:$frB),
|
|
"fnabs $frD, $frB", FPGeneral,
|
|
[(set F8RC:$frD, (fneg (fabs F8RC:$frB)))]>;
|
|
def FNEGS : XForm_26<63, 40, (ops F4RC:$frD, F4RC:$frB),
|
|
"fneg $frD, $frB", FPGeneral,
|
|
[(set F4RC:$frD, (fneg F4RC:$frB))]>;
|
|
def FNEGD : XForm_26<63, 40, (ops F8RC:$frD, F8RC:$frB),
|
|
"fneg $frD, $frB", FPGeneral,
|
|
[(set F8RC:$frD, (fneg F8RC:$frB))]>;
|
|
}
|
|
|
|
let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
|
|
def STFIWX: XForm_28<31, 983, (ops F8RC:$frS, memrr:$dst),
|
|
"stfiwx $frS, $dst", LdStUX,
|
|
[(PPCstfiwx F8RC:$frS, xoaddr:$dst)]>;
|
|
def STFSX : XForm_28<31, 663, (ops F4RC:$frS, memrr:$dst),
|
|
"stfsx $frS, $dst", LdStUX,
|
|
[(store F4RC:$frS, xaddr:$dst)]>;
|
|
def STFDX : XForm_28<31, 727, (ops F8RC:$frS, memrr:$dst),
|
|
"stfdx $frS, $dst", LdStUX,
|
|
[(store F8RC:$frS, xaddr:$dst)]>;
|
|
}
|
|
|
|
// XL-Form instructions. condition register logical ops.
|
|
//
|
|
def MCRF : XLForm_3<19, 0, (ops CRRC:$BF, CRRC:$BFA),
|
|
"mcrf $BF, $BFA", BrMCR>,
|
|
PPC970_DGroup_First, PPC970_Unit_CRU;
|
|
|
|
// XFX-Form instructions. Instructions that deal with SPRs.
|
|
//
|
|
def MFCTR : XFXForm_1_ext<31, 339, 9, (ops GPRC:$rT), "mfctr $rT", SprMFSPR>,
|
|
PPC970_DGroup_First, PPC970_Unit_FXU;
|
|
let Pattern = [(PPCmtctr GPRC:$rS)] in {
|
|
def MTCTR : XFXForm_7_ext<31, 467, 9, (ops GPRC:$rS), "mtctr $rS", SprMTSPR>,
|
|
PPC970_DGroup_First, PPC970_Unit_FXU;
|
|
}
|
|
|
|
def MTLR : XFXForm_7_ext<31, 467, 8, (ops GPRC:$rS), "mtlr $rS", SprMTSPR>,
|
|
PPC970_DGroup_First, PPC970_Unit_FXU;
|
|
def MFLR : XFXForm_1_ext<31, 339, 8, (ops GPRC:$rT), "mflr $rT", SprMFSPR>,
|
|
PPC970_DGroup_First, PPC970_Unit_FXU;
|
|
|
|
// Move to/from VRSAVE: despite being a SPR, the VRSAVE register is renamed like
|
|
// a GPR on the PPC970. As such, copies in and out have the same performance
|
|
// characteristics as an OR instruction.
|
|
def MTVRSAVE : XFXForm_7_ext<31, 467, 256, (ops GPRC:$rS),
|
|
"mtspr 256, $rS", IntGeneral>,
|
|
PPC970_DGroup_Single, PPC970_Unit_FXU;
|
|
def MFVRSAVE : XFXForm_1_ext<31, 339, 256, (ops GPRC:$rT),
|
|
"mfspr $rT, 256", IntGeneral>,
|
|
PPC970_DGroup_First, PPC970_Unit_FXU;
|
|
|
|
def MTCRF : XFXForm_5<31, 144, (ops crbitm:$FXM, GPRC:$rS),
|
|
"mtcrf $FXM, $rS", BrMCRX>,
|
|
PPC970_MicroCode, PPC970_Unit_CRU;
|
|
def MFCR : XFXForm_3<31, 19, (ops GPRC:$rT), "mfcr $rT", SprMFCR>,
|
|
PPC970_MicroCode, PPC970_Unit_CRU;
|
|
def MFOCRF: XFXForm_5a<31, 19, (ops GPRC:$rT, crbitm:$FXM),
|
|
"mfcr $rT, $FXM", SprMFCR>,
|
|
PPC970_DGroup_First, PPC970_Unit_CRU;
|
|
|
|
let PPC970_Unit = 1 in { // FXU Operations.
|
|
|
|
// XO-Form instructions. Arithmetic instructions that can set overflow bit
|
|
//
|
|
def ADD4 : XOForm_1<31, 266, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
|
|
"add $rT, $rA, $rB", IntGeneral,
|
|
[(set GPRC:$rT, (add GPRC:$rA, GPRC:$rB))]>;
|
|
def ADDC : XOForm_1<31, 10, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
|
|
"addc $rT, $rA, $rB", IntGeneral,
|
|
[(set GPRC:$rT, (addc GPRC:$rA, GPRC:$rB))]>,
|
|
PPC970_DGroup_Cracked;
|
|
def ADDE : XOForm_1<31, 138, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
|
|
"adde $rT, $rA, $rB", IntGeneral,
|
|
[(set GPRC:$rT, (adde GPRC:$rA, GPRC:$rB))]>;
|
|
def DIVW : XOForm_1<31, 491, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
|
|
"divw $rT, $rA, $rB", IntDivW,
|
|
[(set GPRC:$rT, (sdiv GPRC:$rA, GPRC:$rB))]>,
|
|
PPC970_DGroup_First, PPC970_DGroup_Cracked;
|
|
def DIVWU : XOForm_1<31, 459, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
|
|
"divwu $rT, $rA, $rB", IntDivW,
|
|
[(set GPRC:$rT, (udiv GPRC:$rA, GPRC:$rB))]>,
|
|
PPC970_DGroup_First, PPC970_DGroup_Cracked;
|
|
def MULHW : XOForm_1<31, 75, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
|
|
"mulhw $rT, $rA, $rB", IntMulHW,
|
|
[(set GPRC:$rT, (mulhs GPRC:$rA, GPRC:$rB))]>;
|
|
def MULHWU : XOForm_1<31, 11, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
|
|
"mulhwu $rT, $rA, $rB", IntMulHWU,
|
|
[(set GPRC:$rT, (mulhu GPRC:$rA, GPRC:$rB))]>;
|
|
def MULLW : XOForm_1<31, 235, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
|
|
"mullw $rT, $rA, $rB", IntMulHW,
|
|
[(set GPRC:$rT, (mul GPRC:$rA, GPRC:$rB))]>;
|
|
def SUBF : XOForm_1<31, 40, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
|
|
"subf $rT, $rA, $rB", IntGeneral,
|
|
[(set GPRC:$rT, (sub GPRC:$rB, GPRC:$rA))]>;
|
|
def SUBFC : XOForm_1<31, 8, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
|
|
"subfc $rT, $rA, $rB", IntGeneral,
|
|
[(set GPRC:$rT, (subc GPRC:$rB, GPRC:$rA))]>,
|
|
PPC970_DGroup_Cracked;
|
|
def SUBFE : XOForm_1<31, 136, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
|
|
"subfe $rT, $rA, $rB", IntGeneral,
|
|
[(set GPRC:$rT, (sube GPRC:$rB, GPRC:$rA))]>;
|
|
def ADDME : XOForm_3<31, 234, 0, (ops GPRC:$rT, GPRC:$rA),
|
|
"addme $rT, $rA", IntGeneral,
|
|
[(set GPRC:$rT, (adde GPRC:$rA, immAllOnes))]>;
|
|
def ADDZE : XOForm_3<31, 202, 0, (ops GPRC:$rT, GPRC:$rA),
|
|
"addze $rT, $rA", IntGeneral,
|
|
[(set GPRC:$rT, (adde GPRC:$rA, 0))]>;
|
|
def NEG : XOForm_3<31, 104, 0, (ops GPRC:$rT, GPRC:$rA),
|
|
"neg $rT, $rA", IntGeneral,
|
|
[(set GPRC:$rT, (ineg GPRC:$rA))]>;
|
|
def SUBFME : XOForm_3<31, 232, 0, (ops GPRC:$rT, GPRC:$rA),
|
|
"subfme $rT, $rA", IntGeneral,
|
|
[(set GPRC:$rT, (sube immAllOnes, GPRC:$rA))]>;
|
|
def SUBFZE : XOForm_3<31, 200, 0, (ops GPRC:$rT, GPRC:$rA),
|
|
"subfze $rT, $rA", IntGeneral,
|
|
[(set GPRC:$rT, (sube 0, GPRC:$rA))]>;
|
|
}
|
|
|
|
// A-Form instructions. Most of the instructions executed in the FPU are of
|
|
// this type.
|
|
//
|
|
let PPC970_Unit = 3 in { // FPU Operations.
|
|
def FMADD : AForm_1<63, 29,
|
|
(ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
|
|
"fmadd $FRT, $FRA, $FRC, $FRB", FPFused,
|
|
[(set F8RC:$FRT, (fadd (fmul F8RC:$FRA, F8RC:$FRC),
|
|
F8RC:$FRB))]>,
|
|
Requires<[FPContractions]>;
|
|
def FMADDS : AForm_1<59, 29,
|
|
(ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
|
|
"fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
|
|
[(set F4RC:$FRT, (fadd (fmul F4RC:$FRA, F4RC:$FRC),
|
|
F4RC:$FRB))]>,
|
|
Requires<[FPContractions]>;
|
|
def FMSUB : AForm_1<63, 28,
|
|
(ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
|
|
"fmsub $FRT, $FRA, $FRC, $FRB", FPFused,
|
|
[(set F8RC:$FRT, (fsub (fmul F8RC:$FRA, F8RC:$FRC),
|
|
F8RC:$FRB))]>,
|
|
Requires<[FPContractions]>;
|
|
def FMSUBS : AForm_1<59, 28,
|
|
(ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
|
|
"fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
|
|
[(set F4RC:$FRT, (fsub (fmul F4RC:$FRA, F4RC:$FRC),
|
|
F4RC:$FRB))]>,
|
|
Requires<[FPContractions]>;
|
|
def FNMADD : AForm_1<63, 31,
|
|
(ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
|
|
"fnmadd $FRT, $FRA, $FRC, $FRB", FPFused,
|
|
[(set F8RC:$FRT, (fneg (fadd (fmul F8RC:$FRA, F8RC:$FRC),
|
|
F8RC:$FRB)))]>,
|
|
Requires<[FPContractions]>;
|
|
def FNMADDS : AForm_1<59, 31,
|
|
(ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
|
|
"fnmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
|
|
[(set F4RC:$FRT, (fneg (fadd (fmul F4RC:$FRA, F4RC:$FRC),
|
|
F4RC:$FRB)))]>,
|
|
Requires<[FPContractions]>;
|
|
def FNMSUB : AForm_1<63, 30,
|
|
(ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
|
|
"fnmsub $FRT, $FRA, $FRC, $FRB", FPFused,
|
|
[(set F8RC:$FRT, (fneg (fsub (fmul F8RC:$FRA, F8RC:$FRC),
|
|
F8RC:$FRB)))]>,
|
|
Requires<[FPContractions]>;
|
|
def FNMSUBS : AForm_1<59, 30,
|
|
(ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
|
|
"fnmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
|
|
[(set F4RC:$FRT, (fneg (fsub (fmul F4RC:$FRA, F4RC:$FRC),
|
|
F4RC:$FRB)))]>,
|
|
Requires<[FPContractions]>;
|
|
// FSEL is artificially split into 4 and 8-byte forms for the result. To avoid
|
|
// having 4 of these, force the comparison to always be an 8-byte double (code
|
|
// should use an FMRSD if the input comparison value really wants to be a float)
|
|
// and 4/8 byte forms for the result and operand type..
|
|
def FSELD : AForm_1<63, 23,
|
|
(ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
|
|
"fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
|
|
[(set F8RC:$FRT, (PPCfsel F8RC:$FRA,F8RC:$FRC,F8RC:$FRB))]>;
|
|
def FSELS : AForm_1<63, 23,
|
|
(ops F4RC:$FRT, F8RC:$FRA, F4RC:$FRC, F4RC:$FRB),
|
|
"fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
|
|
[(set F4RC:$FRT, (PPCfsel F8RC:$FRA,F4RC:$FRC,F4RC:$FRB))]>;
|
|
def FADD : AForm_2<63, 21,
|
|
(ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRB),
|
|
"fadd $FRT, $FRA, $FRB", FPGeneral,
|
|
[(set F8RC:$FRT, (fadd F8RC:$FRA, F8RC:$FRB))]>;
|
|
def FADDS : AForm_2<59, 21,
|
|
(ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRB),
|
|
"fadds $FRT, $FRA, $FRB", FPGeneral,
|
|
[(set F4RC:$FRT, (fadd F4RC:$FRA, F4RC:$FRB))]>;
|
|
def FDIV : AForm_2<63, 18,
|
|
(ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRB),
|
|
"fdiv $FRT, $FRA, $FRB", FPDivD,
|
|
[(set F8RC:$FRT, (fdiv F8RC:$FRA, F8RC:$FRB))]>;
|
|
def FDIVS : AForm_2<59, 18,
|
|
(ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRB),
|
|
"fdivs $FRT, $FRA, $FRB", FPDivS,
|
|
[(set F4RC:$FRT, (fdiv F4RC:$FRA, F4RC:$FRB))]>;
|
|
def FMUL : AForm_3<63, 25,
|
|
(ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRB),
|
|
"fmul $FRT, $FRA, $FRB", FPFused,
|
|
[(set F8RC:$FRT, (fmul F8RC:$FRA, F8RC:$FRB))]>;
|
|
def FMULS : AForm_3<59, 25,
|
|
(ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRB),
|
|
"fmuls $FRT, $FRA, $FRB", FPGeneral,
|
|
[(set F4RC:$FRT, (fmul F4RC:$FRA, F4RC:$FRB))]>;
|
|
def FSUB : AForm_2<63, 20,
|
|
(ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRB),
|
|
"fsub $FRT, $FRA, $FRB", FPGeneral,
|
|
[(set F8RC:$FRT, (fsub F8RC:$FRA, F8RC:$FRB))]>;
|
|
def FSUBS : AForm_2<59, 20,
|
|
(ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRB),
|
|
"fsubs $FRT, $FRA, $FRB", FPGeneral,
|
|
[(set F4RC:$FRT, (fsub F4RC:$FRA, F4RC:$FRB))]>;
|
|
}
|
|
|
|
let PPC970_Unit = 1 in { // FXU Operations.
|
|
// M-Form instructions. rotate and mask instructions.
|
|
//
|
|
let isTwoAddress = 1, isCommutable = 1 in {
|
|
// RLWIMI can be commuted if the rotate amount is zero.
|
|
def RLWIMI : MForm_2<20,
|
|
(ops GPRC:$rA, GPRC:$rSi, GPRC:$rS, u5imm:$SH, u5imm:$MB,
|
|
u5imm:$ME), "rlwimi $rA, $rS, $SH, $MB, $ME", IntRotate,
|
|
[]>, PPC970_DGroup_Cracked;
|
|
}
|
|
def RLWINM : MForm_2<21,
|
|
(ops GPRC:$rA, GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
|
|
"rlwinm $rA, $rS, $SH, $MB, $ME", IntGeneral,
|
|
[]>;
|
|
def RLWINMo : MForm_2<21,
|
|
(ops GPRC:$rA, GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
|
|
"rlwinm. $rA, $rS, $SH, $MB, $ME", IntGeneral,
|
|
[]>, isDOT, PPC970_DGroup_Cracked;
|
|
def RLWNM : MForm_2<23,
|
|
(ops GPRC:$rA, GPRC:$rS, GPRC:$rB, u5imm:$MB, u5imm:$ME),
|
|
"rlwnm $rA, $rS, $rB, $MB, $ME", IntGeneral,
|
|
[]>;
|
|
}
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// DWARF Pseudo Instructions
|
|
//
|
|
|
|
def DWARF_LOC : Pseudo<(ops i32imm:$line, i32imm:$col, i32imm:$file),
|
|
"${:comment} .loc $file, $line, $col",
|
|
[(dwarf_loc (i32 imm:$line), (i32 imm:$col),
|
|
(i32 imm:$file))]>;
|
|
|
|
def DWARF_LABEL : Pseudo<(ops i32imm:$id),
|
|
"\n${:private}debug_loc$id:",
|
|
[(dwarf_label (i32 imm:$id))]>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// PowerPC Instruction Patterns
|
|
//
|
|
|
|
// Arbitrary immediate support. Implement in terms of LIS/ORI.
|
|
def : Pat<(i32 imm:$imm),
|
|
(ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>;
|
|
|
|
// Implement the 'not' operation with the NOR instruction.
|
|
def NOT : Pat<(not GPRC:$in),
|
|
(NOR GPRC:$in, GPRC:$in)>;
|
|
|
|
// ADD an arbitrary immediate.
|
|
def : Pat<(add GPRC:$in, imm:$imm),
|
|
(ADDIS (ADDI GPRC:$in, (LO16 imm:$imm)), (HA16 imm:$imm))>;
|
|
// OR an arbitrary immediate.
|
|
def : Pat<(or GPRC:$in, imm:$imm),
|
|
(ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
|
|
// XOR an arbitrary immediate.
|
|
def : Pat<(xor GPRC:$in, imm:$imm),
|
|
(XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
|
|
// SUBFIC
|
|
def : Pat<(sub immSExt16:$imm, GPRC:$in),
|
|
(SUBFIC GPRC:$in, imm:$imm)>;
|
|
|
|
// Return void support.
|
|
def : Pat<(ret), (BLR)>;
|
|
|
|
// SHL/SRL
|
|
def : Pat<(shl GPRC:$in, (i32 imm:$imm)),
|
|
(RLWINM GPRC:$in, imm:$imm, 0, (SHL32 imm:$imm))>;
|
|
def : Pat<(srl GPRC:$in, (i32 imm:$imm)),
|
|
(RLWINM GPRC:$in, (SRL32 imm:$imm), imm:$imm, 31)>;
|
|
|
|
// ROTL
|
|
def : Pat<(rotl GPRC:$in, GPRC:$sh),
|
|
(RLWNM GPRC:$in, GPRC:$sh, 0, 31)>;
|
|
def : Pat<(rotl GPRC:$in, (i32 imm:$imm)),
|
|
(RLWINM GPRC:$in, imm:$imm, 0, 31)>;
|
|
|
|
// RLWNM
|
|
def : Pat<(and (rotl GPRC:$in, GPRC:$sh), maskimm32:$imm),
|
|
(RLWNM GPRC:$in, GPRC:$sh, (MB maskimm32:$imm), (ME maskimm32:$imm))>;
|
|
|
|
// Calls
|
|
def : Pat<(PPCcall tglobaladdr:$dst),
|
|
(BL tglobaladdr:$dst)>;
|
|
def : Pat<(PPCcall texternalsym:$dst),
|
|
(BL texternalsym:$dst)>;
|
|
|
|
// Hi and Lo for Darwin Global Addresses.
|
|
def : Pat<(PPChi tglobaladdr:$in, 0), (LIS tglobaladdr:$in)>;
|
|
def : Pat<(PPClo tglobaladdr:$in, 0), (LI tglobaladdr:$in)>;
|
|
def : Pat<(PPChi tconstpool:$in, 0), (LIS tconstpool:$in)>;
|
|
def : Pat<(PPClo tconstpool:$in, 0), (LI tconstpool:$in)>;
|
|
def : Pat<(PPChi tjumptable:$in, 0), (LIS tjumptable:$in)>;
|
|
def : Pat<(PPClo tjumptable:$in, 0), (LI tjumptable:$in)>;
|
|
def : Pat<(add GPRC:$in, (PPChi tglobaladdr:$g, 0)),
|
|
(ADDIS GPRC:$in, tglobaladdr:$g)>;
|
|
def : Pat<(add GPRC:$in, (PPChi tconstpool:$g, 0)),
|
|
(ADDIS GPRC:$in, tconstpool:$g)>;
|
|
def : Pat<(add GPRC:$in, (PPChi tjumptable:$g, 0)),
|
|
(ADDIS GPRC:$in, tjumptable:$g)>;
|
|
|
|
// Fused negative multiply subtract, alternate pattern
|
|
def : Pat<(fsub F8RC:$B, (fmul F8RC:$A, F8RC:$C)),
|
|
(FNMSUB F8RC:$A, F8RC:$C, F8RC:$B)>,
|
|
Requires<[FPContractions]>;
|
|
def : Pat<(fsub F4RC:$B, (fmul F4RC:$A, F4RC:$C)),
|
|
(FNMSUBS F4RC:$A, F4RC:$C, F4RC:$B)>,
|
|
Requires<[FPContractions]>;
|
|
|
|
// Standard shifts. These are represented separately from the real shifts above
|
|
// so that we can distinguish between shifts that allow 5-bit and 6-bit shift
|
|
// amounts.
|
|
def : Pat<(sra GPRC:$rS, GPRC:$rB),
|
|
(SRAW GPRC:$rS, GPRC:$rB)>;
|
|
def : Pat<(srl GPRC:$rS, GPRC:$rB),
|
|
(SRW GPRC:$rS, GPRC:$rB)>;
|
|
def : Pat<(shl GPRC:$rS, GPRC:$rB),
|
|
(SLW GPRC:$rS, GPRC:$rB)>;
|
|
|
|
def : Pat<(zextloadi1 iaddr:$src),
|
|
(LBZ iaddr:$src)>;
|
|
def : Pat<(zextloadi1 xaddr:$src),
|
|
(LBZX xaddr:$src)>;
|
|
def : Pat<(extloadi1 iaddr:$src),
|
|
(LBZ iaddr:$src)>;
|
|
def : Pat<(extloadi1 xaddr:$src),
|
|
(LBZX xaddr:$src)>;
|
|
def : Pat<(extloadi8 iaddr:$src),
|
|
(LBZ iaddr:$src)>;
|
|
def : Pat<(extloadi8 xaddr:$src),
|
|
(LBZX xaddr:$src)>;
|
|
def : Pat<(extloadi16 iaddr:$src),
|
|
(LHZ iaddr:$src)>;
|
|
def : Pat<(extloadi16 xaddr:$src),
|
|
(LHZX xaddr:$src)>;
|
|
def : Pat<(extloadf32 iaddr:$src),
|
|
(FMRSD (LFS iaddr:$src))>;
|
|
def : Pat<(extloadf32 xaddr:$src),
|
|
(FMRSD (LFSX xaddr:$src))>;
|
|
|
|
include "PPCInstrAltivec.td"
|
|
include "PPCInstr64Bit.td"
|