mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-19 03:29:22 +00:00
7c90f73a1b
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25985 91177308-0d34-0410-b5e6-96231b3b80d8
846 lines
36 KiB
TableGen
846 lines
36 KiB
TableGen
//===- SparcInstrInfo.td - Target Description for Sparc Target ------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file describes the Sparc instructions in TableGen format.
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//
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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// Instruction format superclass
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//===----------------------------------------------------------------------===//
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include "SparcInstrFormats.td"
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//===----------------------------------------------------------------------===//
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// Feature predicates.
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//===----------------------------------------------------------------------===//
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// HasV9 - This predicate is true when the target processor supports V9
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// instructions. Note that the machine may be running in 32-bit mode.
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def HasV9 : Predicate<"Subtarget.isV9()">;
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// HasNoV9 - This predicate is true when the target doesn't have V9
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// instructions. Use of this is just a hack for the isel not having proper
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// costs for V8 instructions that are more expensive than their V9 ones.
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def HasNoV9 : Predicate<"!Subtarget.isV9()">;
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// HasVIS - This is true when the target processor has VIS extensions.
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def HasVIS : Predicate<"Subtarget.isVIS()">;
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// UseDeprecatedInsts - This predicate is true when the target processor is a
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// V8, or when it is V9 but the V8 deprecated instructions are efficient enough
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// to use when appropriate. In either of these cases, the instruction selector
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// will pick deprecated instructions.
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def UseDeprecatedInsts : Predicate<"Subtarget.useDeprecatedV8Instructions()">;
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//===----------------------------------------------------------------------===//
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// Instruction Pattern Stuff
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//===----------------------------------------------------------------------===//
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def simm11 : PatLeaf<(imm), [{
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// simm11 predicate - True if the imm fits in a 11-bit sign extended field.
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return (((int)N->getValue() << (32-11)) >> (32-11)) == (int)N->getValue();
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}]>;
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def simm13 : PatLeaf<(imm), [{
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// simm13 predicate - True if the imm fits in a 13-bit sign extended field.
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return (((int)N->getValue() << (32-13)) >> (32-13)) == (int)N->getValue();
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}]>;
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def LO10 : SDNodeXForm<imm, [{
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return CurDAG->getTargetConstant((unsigned)N->getValue() & 1023, MVT::i32);
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}]>;
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def HI22 : SDNodeXForm<imm, [{
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// Transformation function: shift the immediate value down into the low bits.
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return CurDAG->getTargetConstant((unsigned)N->getValue() >> 10, MVT::i32);
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}]>;
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def SETHIimm : PatLeaf<(imm), [{
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return (((unsigned)N->getValue() >> 10) << 10) == (unsigned)N->getValue();
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}], HI22>;
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// Addressing modes.
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def ADDRrr : ComplexPattern<i32, 2, "SelectADDRrr", []>;
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def ADDRri : ComplexPattern<i32, 2, "SelectADDRri", []>;
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// Address operands
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def MEMrr : Operand<i32> {
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let PrintMethod = "printMemOperand";
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let NumMIOperands = 2;
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let MIOperandInfo = (ops IntRegs, IntRegs);
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}
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def MEMri : Operand<i32> {
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let PrintMethod = "printMemOperand";
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let NumMIOperands = 2;
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let MIOperandInfo = (ops IntRegs, i32imm);
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}
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// Branch targets have OtherVT type.
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def brtarget : Operand<OtherVT>;
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def calltarget : Operand<i32>;
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// Operand for printing out a condition code.
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let PrintMethod = "printCCOperand" in
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def CCOp : Operand<i32>;
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def SDTSPcmpfcc :
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SDTypeProfile<1, 2, [SDTCisVT<0, FlagVT>, SDTCisFP<1>, SDTCisSameAs<1, 2>]>;
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def SDTSPbrcc :
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SDTypeProfile<0, 3, [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>,
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SDTCisVT<2, FlagVT>]>;
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def SDTSPselectcc :
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SDTypeProfile<1, 4, [SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
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SDTCisVT<3, i32>, SDTCisVT<4, FlagVT>]>;
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def SDTSPFTOI :
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SDTypeProfile<1, 1, [SDTCisVT<0, f32>, SDTCisFP<1>]>;
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def SDTSPITOF :
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SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisVT<1, f32>]>;
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def SPcmpicc : SDNode<"SPISD::CMPICC", SDTIntBinOp, [SDNPOutFlag]>;
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def SPcmpfcc : SDNode<"SPISD::CMPFCC", SDTSPcmpfcc, [SDNPOutFlag]>;
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def SPbricc : SDNode<"SPISD::BRICC", SDTSPbrcc, [SDNPHasChain]>;
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def SPbrfcc : SDNode<"SPISD::BRFCC", SDTSPbrcc, [SDNPHasChain]>;
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def SPhi : SDNode<"SPISD::Hi", SDTIntUnaryOp>;
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def SPlo : SDNode<"SPISD::Lo", SDTIntUnaryOp>;
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def SPftoi : SDNode<"SPISD::FTOI", SDTSPFTOI>;
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def SPitof : SDNode<"SPISD::ITOF", SDTSPITOF>;
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def SPselecticc : SDNode<"SPISD::SELECT_ICC", SDTSPselectcc>;
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def SPselectfcc : SDNode<"SPISD::SELECT_FCC", SDTSPselectcc>;
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// These are target-independent nodes, but have target-specific formats.
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def SDT_SPCallSeq : SDTypeProfile<0, 1, [ SDTCisVT<0, i32> ]>;
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def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_SPCallSeq, [SDNPHasChain]>;
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def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_SPCallSeq, [SDNPHasChain]>;
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def SDT_SPCall : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
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def call : SDNode<"SPISD::CALL", SDT_SPCall,
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[SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
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def SDT_SPRetFlag : SDTypeProfile<0, 0, []>;
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def retflag : SDNode<"SPISD::RET_FLAG", SDT_SPRetFlag,
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[SDNPHasChain, SDNPOptInFlag]>;
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//===----------------------------------------------------------------------===//
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// SPARC Flag Conditions
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//===----------------------------------------------------------------------===//
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// Note that these values must be kept in sync with the CCOp::CondCode enum
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// values.
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class ICC_VAL<int N> : PatLeaf<(i32 N)>;
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def ICC_NE : ICC_VAL< 9>; // Not Equal
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def ICC_E : ICC_VAL< 1>; // Equal
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def ICC_G : ICC_VAL<10>; // Greater
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def ICC_LE : ICC_VAL< 2>; // Less or Equal
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def ICC_GE : ICC_VAL<11>; // Greater or Equal
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def ICC_L : ICC_VAL< 3>; // Less
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def ICC_GU : ICC_VAL<12>; // Greater Unsigned
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def ICC_LEU : ICC_VAL< 4>; // Less or Equal Unsigned
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def ICC_CC : ICC_VAL<13>; // Carry Clear/Great or Equal Unsigned
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def ICC_CS : ICC_VAL< 5>; // Carry Set/Less Unsigned
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def ICC_POS : ICC_VAL<14>; // Positive
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def ICC_NEG : ICC_VAL< 6>; // Negative
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def ICC_VC : ICC_VAL<15>; // Overflow Clear
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def ICC_VS : ICC_VAL< 7>; // Overflow Set
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class FCC_VAL<int N> : PatLeaf<(i32 N)>;
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def FCC_U : FCC_VAL<23>; // Unordered
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def FCC_G : FCC_VAL<22>; // Greater
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def FCC_UG : FCC_VAL<21>; // Unordered or Greater
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def FCC_L : FCC_VAL<20>; // Less
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def FCC_UL : FCC_VAL<19>; // Unordered or Less
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def FCC_LG : FCC_VAL<18>; // Less or Greater
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def FCC_NE : FCC_VAL<17>; // Not Equal
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def FCC_E : FCC_VAL<25>; // Equal
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def FCC_UE : FCC_VAL<24>; // Unordered or Equal
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def FCC_GE : FCC_VAL<25>; // Greater or Equal
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def FCC_UGE : FCC_VAL<26>; // Unordered or Greater or Equal
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def FCC_LE : FCC_VAL<27>; // Less or Equal
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def FCC_ULE : FCC_VAL<28>; // Unordered or Less or Equal
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def FCC_O : FCC_VAL<29>; // Ordered
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//===----------------------------------------------------------------------===//
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// Instructions
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//===----------------------------------------------------------------------===//
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// Pseudo instructions.
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class Pseudo<dag ops, string asmstr, list<dag> pattern>
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: InstSP<ops, asmstr, pattern>;
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def ADJCALLSTACKDOWN : Pseudo<(ops i32imm:$amt),
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"!ADJCALLSTACKDOWN $amt",
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[(callseq_start imm:$amt)]>;
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def ADJCALLSTACKUP : Pseudo<(ops i32imm:$amt),
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"!ADJCALLSTACKUP $amt",
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[(callseq_end imm:$amt)]>;
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def IMPLICIT_DEF_Int : Pseudo<(ops IntRegs:$dst),
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"!IMPLICIT_DEF $dst",
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[(set IntRegs:$dst, (undef))]>;
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def IMPLICIT_DEF_FP : Pseudo<(ops FPRegs:$dst), "!IMPLICIT_DEF $dst",
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[(set FPRegs:$dst, (undef))]>;
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def IMPLICIT_DEF_DFP : Pseudo<(ops DFPRegs:$dst), "!IMPLICIT_DEF $dst",
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[(set DFPRegs:$dst, (undef))]>;
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// FpMOVD/FpNEGD/FpABSD - These are lowered to single-precision ops by the
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// fpmover pass.
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let Predicates = [HasNoV9] in { // Only emit these in SP mode.
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def FpMOVD : Pseudo<(ops DFPRegs:$dst, DFPRegs:$src),
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"!FpMOVD $src, $dst", []>;
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def FpNEGD : Pseudo<(ops DFPRegs:$dst, DFPRegs:$src),
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"!FpNEGD $src, $dst",
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[(set DFPRegs:$dst, (fneg DFPRegs:$src))]>;
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def FpABSD : Pseudo<(ops DFPRegs:$dst, DFPRegs:$src),
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"!FpABSD $src, $dst",
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[(set DFPRegs:$dst, (fabs DFPRegs:$src))]>;
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}
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// SELECT_CC_* - Used to implement the SELECT_CC DAG operation. Expanded by the
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// scheduler into a branch sequence. This has to handle all permutations of
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// selection between i32/f32/f64 on ICC and FCC.
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let usesCustomDAGSchedInserter = 1, // Expanded by the scheduler.
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Predicates = [HasNoV9] in { // V9 has conditional moves
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def SELECT_CC_Int_ICC
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: Pseudo<(ops IntRegs:$dst, IntRegs:$T, IntRegs:$F, i32imm:$Cond),
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"; SELECT_CC_Int_ICC PSEUDO!",
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[(set IntRegs:$dst, (SPselecticc IntRegs:$T, IntRegs:$F,
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imm:$Cond, ICC))]>;
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def SELECT_CC_Int_FCC
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: Pseudo<(ops IntRegs:$dst, IntRegs:$T, IntRegs:$F, i32imm:$Cond),
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"; SELECT_CC_Int_FCC PSEUDO!",
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[(set IntRegs:$dst, (SPselectfcc IntRegs:$T, IntRegs:$F,
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imm:$Cond, FCC))]>;
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def SELECT_CC_FP_ICC
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: Pseudo<(ops FPRegs:$dst, FPRegs:$T, FPRegs:$F, i32imm:$Cond),
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"; SELECT_CC_FP_ICC PSEUDO!",
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[(set FPRegs:$dst, (SPselecticc FPRegs:$T, FPRegs:$F,
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imm:$Cond, ICC))]>;
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def SELECT_CC_FP_FCC
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: Pseudo<(ops FPRegs:$dst, FPRegs:$T, FPRegs:$F, i32imm:$Cond),
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"; SELECT_CC_FP_FCC PSEUDO!",
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[(set FPRegs:$dst, (SPselectfcc FPRegs:$T, FPRegs:$F,
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imm:$Cond, FCC))]>;
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def SELECT_CC_DFP_ICC
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: Pseudo<(ops DFPRegs:$dst, DFPRegs:$T, DFPRegs:$F, i32imm:$Cond),
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"; SELECT_CC_DFP_ICC PSEUDO!",
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[(set DFPRegs:$dst, (SPselecticc DFPRegs:$T, DFPRegs:$F,
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imm:$Cond, ICC))]>;
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def SELECT_CC_DFP_FCC
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: Pseudo<(ops DFPRegs:$dst, DFPRegs:$T, DFPRegs:$F, i32imm:$Cond),
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"; SELECT_CC_DFP_FCC PSEUDO!",
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[(set DFPRegs:$dst, (SPselectfcc DFPRegs:$T, DFPRegs:$F,
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imm:$Cond, FCC))]>;
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}
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// Section A.3 - Synthetic Instructions, p. 85
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// special cases of JMPL:
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let isReturn = 1, isTerminator = 1, hasDelaySlot = 1, noResults = 1 in {
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let rd = O7.Num, rs1 = G0.Num, simm13 = 8 in
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def RETL: F3_2<2, 0b111000, (ops), "retl", [(retflag)]>;
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}
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// Section B.1 - Load Integer Instructions, p. 90
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def LDSBrr : F3_1<3, 0b001001,
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(ops IntRegs:$dst, MEMrr:$addr),
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"ldsb [$addr], $dst",
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[(set IntRegs:$dst, (sextload ADDRrr:$addr, i8))]>;
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def LDSBri : F3_2<3, 0b001001,
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(ops IntRegs:$dst, MEMri:$addr),
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"ldsb [$addr], $dst",
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[(set IntRegs:$dst, (sextload ADDRri:$addr, i8))]>;
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def LDSHrr : F3_1<3, 0b001010,
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(ops IntRegs:$dst, MEMrr:$addr),
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"ldsh [$addr], $dst",
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[(set IntRegs:$dst, (sextload ADDRrr:$addr, i16))]>;
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def LDSHri : F3_2<3, 0b001010,
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(ops IntRegs:$dst, MEMri:$addr),
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"ldsh [$addr], $dst",
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[(set IntRegs:$dst, (sextload ADDRri:$addr, i16))]>;
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def LDUBrr : F3_1<3, 0b000001,
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(ops IntRegs:$dst, MEMrr:$addr),
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"ldub [$addr], $dst",
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[(set IntRegs:$dst, (zextload ADDRrr:$addr, i8))]>;
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def LDUBri : F3_2<3, 0b000001,
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(ops IntRegs:$dst, MEMri:$addr),
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"ldub [$addr], $dst",
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[(set IntRegs:$dst, (zextload ADDRri:$addr, i8))]>;
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def LDUHrr : F3_1<3, 0b000010,
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(ops IntRegs:$dst, MEMrr:$addr),
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"lduh [$addr], $dst",
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[(set IntRegs:$dst, (zextload ADDRrr:$addr, i16))]>;
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def LDUHri : F3_2<3, 0b000010,
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(ops IntRegs:$dst, MEMri:$addr),
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"lduh [$addr], $dst",
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[(set IntRegs:$dst, (zextload ADDRri:$addr, i16))]>;
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def LDrr : F3_1<3, 0b000000,
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(ops IntRegs:$dst, MEMrr:$addr),
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"ld [$addr], $dst",
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[(set IntRegs:$dst, (load ADDRrr:$addr))]>;
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def LDri : F3_2<3, 0b000000,
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(ops IntRegs:$dst, MEMri:$addr),
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"ld [$addr], $dst",
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[(set IntRegs:$dst, (load ADDRri:$addr))]>;
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// Section B.2 - Load Floating-point Instructions, p. 92
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def LDFrr : F3_1<3, 0b100000,
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(ops FPRegs:$dst, MEMrr:$addr),
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"ld [$addr], $dst",
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[(set FPRegs:$dst, (load ADDRrr:$addr))]>;
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def LDFri : F3_2<3, 0b100000,
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(ops FPRegs:$dst, MEMri:$addr),
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"ld [$addr], $dst",
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[(set FPRegs:$dst, (load ADDRri:$addr))]>;
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def LDDFrr : F3_1<3, 0b100011,
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(ops DFPRegs:$dst, MEMrr:$addr),
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"ldd [$addr], $dst",
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[(set DFPRegs:$dst, (load ADDRrr:$addr))]>;
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def LDDFri : F3_2<3, 0b100011,
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(ops DFPRegs:$dst, MEMri:$addr),
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"ldd [$addr], $dst",
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[(set DFPRegs:$dst, (load ADDRri:$addr))]>;
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// Section B.4 - Store Integer Instructions, p. 95
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def STBrr : F3_1<3, 0b000101,
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(ops MEMrr:$addr, IntRegs:$src),
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"stb $src, [$addr]",
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[(truncstore IntRegs:$src, ADDRrr:$addr, i8)]>;
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def STBri : F3_2<3, 0b000101,
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(ops MEMri:$addr, IntRegs:$src),
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"stb $src, [$addr]",
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[(truncstore IntRegs:$src, ADDRri:$addr, i8)]>;
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def STHrr : F3_1<3, 0b000110,
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(ops MEMrr:$addr, IntRegs:$src),
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"sth $src, [$addr]",
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[(truncstore IntRegs:$src, ADDRrr:$addr, i16)]>;
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def STHri : F3_2<3, 0b000110,
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(ops MEMri:$addr, IntRegs:$src),
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"sth $src, [$addr]",
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[(truncstore IntRegs:$src, ADDRri:$addr, i16)]>;
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def STrr : F3_1<3, 0b000100,
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(ops MEMrr:$addr, IntRegs:$src),
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"st $src, [$addr]",
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[(store IntRegs:$src, ADDRrr:$addr)]>;
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def STri : F3_2<3, 0b000100,
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(ops MEMri:$addr, IntRegs:$src),
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"st $src, [$addr]",
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[(store IntRegs:$src, ADDRri:$addr)]>;
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// Section B.5 - Store Floating-point Instructions, p. 97
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def STFrr : F3_1<3, 0b100100,
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(ops MEMrr:$addr, FPRegs:$src),
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"st $src, [$addr]",
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[(store FPRegs:$src, ADDRrr:$addr)]>;
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def STFri : F3_2<3, 0b100100,
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(ops MEMri:$addr, FPRegs:$src),
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"st $src, [$addr]",
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[(store FPRegs:$src, ADDRri:$addr)]>;
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def STDFrr : F3_1<3, 0b100111,
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(ops MEMrr:$addr, DFPRegs:$src),
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"std $src, [$addr]",
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[(store DFPRegs:$src, ADDRrr:$addr)]>;
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def STDFri : F3_2<3, 0b100111,
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(ops MEMri:$addr, DFPRegs:$src),
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"std $src, [$addr]",
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[(store DFPRegs:$src, ADDRri:$addr)]>;
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// Section B.9 - SETHI Instruction, p. 104
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def SETHIi: F2_1<0b100,
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(ops IntRegs:$dst, i32imm:$src),
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"sethi $src, $dst",
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[(set IntRegs:$dst, SETHIimm:$src)]>;
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// Section B.10 - NOP Instruction, p. 105
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// (It's a special case of SETHI)
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let rd = 0, imm22 = 0 in
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def NOP : F2_1<0b100, (ops), "nop", []>;
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// Section B.11 - Logical Instructions, p. 106
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def ANDrr : F3_1<2, 0b000001,
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(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
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"and $b, $c, $dst",
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[(set IntRegs:$dst, (and IntRegs:$b, IntRegs:$c))]>;
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def ANDri : F3_2<2, 0b000001,
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(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
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"and $b, $c, $dst",
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[(set IntRegs:$dst, (and IntRegs:$b, simm13:$c))]>;
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def ANDNrr : F3_1<2, 0b000101,
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(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
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"andn $b, $c, $dst",
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[(set IntRegs:$dst, (and IntRegs:$b, (not IntRegs:$c)))]>;
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def ANDNri : F3_2<2, 0b000101,
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(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
|
|
"andn $b, $c, $dst", []>;
|
|
def ORrr : F3_1<2, 0b000010,
|
|
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
|
|
"or $b, $c, $dst",
|
|
[(set IntRegs:$dst, (or IntRegs:$b, IntRegs:$c))]>;
|
|
def ORri : F3_2<2, 0b000010,
|
|
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
|
|
"or $b, $c, $dst",
|
|
[(set IntRegs:$dst, (or IntRegs:$b, simm13:$c))]>;
|
|
def ORNrr : F3_1<2, 0b000110,
|
|
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
|
|
"orn $b, $c, $dst",
|
|
[(set IntRegs:$dst, (or IntRegs:$b, (not IntRegs:$c)))]>;
|
|
def ORNri : F3_2<2, 0b000110,
|
|
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
|
|
"orn $b, $c, $dst", []>;
|
|
def XORrr : F3_1<2, 0b000011,
|
|
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
|
|
"xor $b, $c, $dst",
|
|
[(set IntRegs:$dst, (xor IntRegs:$b, IntRegs:$c))]>;
|
|
def XORri : F3_2<2, 0b000011,
|
|
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
|
|
"xor $b, $c, $dst",
|
|
[(set IntRegs:$dst, (xor IntRegs:$b, simm13:$c))]>;
|
|
def XNORrr : F3_1<2, 0b000111,
|
|
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
|
|
"xnor $b, $c, $dst",
|
|
[(set IntRegs:$dst, (not (xor IntRegs:$b, IntRegs:$c)))]>;
|
|
def XNORri : F3_2<2, 0b000111,
|
|
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
|
|
"xnor $b, $c, $dst", []>;
|
|
|
|
// Section B.12 - Shift Instructions, p. 107
|
|
def SLLrr : F3_1<2, 0b100101,
|
|
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
|
|
"sll $b, $c, $dst",
|
|
[(set IntRegs:$dst, (shl IntRegs:$b, IntRegs:$c))]>;
|
|
def SLLri : F3_2<2, 0b100101,
|
|
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
|
|
"sll $b, $c, $dst",
|
|
[(set IntRegs:$dst, (shl IntRegs:$b, simm13:$c))]>;
|
|
def SRLrr : F3_1<2, 0b100110,
|
|
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
|
|
"srl $b, $c, $dst",
|
|
[(set IntRegs:$dst, (srl IntRegs:$b, IntRegs:$c))]>;
|
|
def SRLri : F3_2<2, 0b100110,
|
|
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
|
|
"srl $b, $c, $dst",
|
|
[(set IntRegs:$dst, (srl IntRegs:$b, simm13:$c))]>;
|
|
def SRArr : F3_1<2, 0b100111,
|
|
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
|
|
"sra $b, $c, $dst",
|
|
[(set IntRegs:$dst, (sra IntRegs:$b, IntRegs:$c))]>;
|
|
def SRAri : F3_2<2, 0b100111,
|
|
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
|
|
"sra $b, $c, $dst",
|
|
[(set IntRegs:$dst, (sra IntRegs:$b, simm13:$c))]>;
|
|
|
|
// Section B.13 - Add Instructions, p. 108
|
|
def ADDrr : F3_1<2, 0b000000,
|
|
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
|
|
"add $b, $c, $dst",
|
|
[(set IntRegs:$dst, (add IntRegs:$b, IntRegs:$c))]>;
|
|
def ADDri : F3_2<2, 0b000000,
|
|
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
|
|
"add $b, $c, $dst",
|
|
[(set IntRegs:$dst, (add IntRegs:$b, simm13:$c))]>;
|
|
def ADDCCrr : F3_1<2, 0b010000,
|
|
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
|
|
"addcc $b, $c, $dst", []>;
|
|
def ADDCCri : F3_2<2, 0b010000,
|
|
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
|
|
"addcc $b, $c, $dst", []>;
|
|
def ADDXrr : F3_1<2, 0b001000,
|
|
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
|
|
"addx $b, $c, $dst", []>;
|
|
def ADDXri : F3_2<2, 0b001000,
|
|
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
|
|
"addx $b, $c, $dst", []>;
|
|
|
|
// Section B.15 - Subtract Instructions, p. 110
|
|
def SUBrr : F3_1<2, 0b000100,
|
|
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
|
|
"sub $b, $c, $dst",
|
|
[(set IntRegs:$dst, (sub IntRegs:$b, IntRegs:$c))]>;
|
|
def SUBri : F3_2<2, 0b000100,
|
|
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
|
|
"sub $b, $c, $dst",
|
|
[(set IntRegs:$dst, (sub IntRegs:$b, simm13:$c))]>;
|
|
def SUBXrr : F3_1<2, 0b001100,
|
|
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
|
|
"subx $b, $c, $dst", []>;
|
|
def SUBXri : F3_2<2, 0b001100,
|
|
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
|
|
"subx $b, $c, $dst", []>;
|
|
def SUBCCrr : F3_1<2, 0b010100,
|
|
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
|
|
"subcc $b, $c, $dst",
|
|
[(set IntRegs:$dst, (SPcmpicc IntRegs:$b, IntRegs:$c))]>;
|
|
def SUBCCri : F3_2<2, 0b010100,
|
|
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
|
|
"subcc $b, $c, $dst",
|
|
[(set IntRegs:$dst, (SPcmpicc IntRegs:$b, simm13:$c))]>;
|
|
def SUBXCCrr: F3_1<2, 0b011100,
|
|
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
|
|
"subxcc $b, $c, $dst", []>;
|
|
|
|
// Section B.18 - Multiply Instructions, p. 113
|
|
def UMULrr : F3_1<2, 0b001010,
|
|
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
|
|
"umul $b, $c, $dst", []>;
|
|
def UMULri : F3_2<2, 0b001010,
|
|
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
|
|
"umul $b, $c, $dst", []>;
|
|
def SMULrr : F3_1<2, 0b001011,
|
|
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
|
|
"smul $b, $c, $dst",
|
|
[(set IntRegs:$dst, (mul IntRegs:$b, IntRegs:$c))]>;
|
|
def SMULri : F3_2<2, 0b001011,
|
|
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
|
|
"smul $b, $c, $dst",
|
|
[(set IntRegs:$dst, (mul IntRegs:$b, simm13:$c))]>;
|
|
|
|
// Section B.19 - Divide Instructions, p. 115
|
|
def UDIVrr : F3_1<2, 0b001110,
|
|
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
|
|
"udiv $b, $c, $dst", []>;
|
|
def UDIVri : F3_2<2, 0b001110,
|
|
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
|
|
"udiv $b, $c, $dst", []>;
|
|
def SDIVrr : F3_1<2, 0b001111,
|
|
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
|
|
"sdiv $b, $c, $dst", []>;
|
|
def SDIVri : F3_2<2, 0b001111,
|
|
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
|
|
"sdiv $b, $c, $dst", []>;
|
|
|
|
// Section B.20 - SAVE and RESTORE, p. 117
|
|
def SAVErr : F3_1<2, 0b111100,
|
|
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
|
|
"save $b, $c, $dst", []>;
|
|
def SAVEri : F3_2<2, 0b111100,
|
|
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
|
|
"save $b, $c, $dst", []>;
|
|
def RESTORErr : F3_1<2, 0b111101,
|
|
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
|
|
"restore $b, $c, $dst", []>;
|
|
def RESTOREri : F3_2<2, 0b111101,
|
|
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
|
|
"restore $b, $c, $dst", []>;
|
|
|
|
// Section B.21 - Branch on Integer Condition Codes Instructions, p. 119
|
|
|
|
// conditional branch class:
|
|
class BranchSP<bits<4> cc, dag ops, string asmstr, list<dag> pattern>
|
|
: F2_2<cc, 0b010, ops, asmstr, pattern> {
|
|
let isBranch = 1;
|
|
let isTerminator = 1;
|
|
let hasDelaySlot = 1;
|
|
let noResults = 1;
|
|
}
|
|
|
|
let isBarrier = 1 in
|
|
def BA : BranchSP<0b1000, (ops brtarget:$dst),
|
|
"ba $dst",
|
|
[(br bb:$dst)]>;
|
|
|
|
// FIXME: the encoding for the JIT should look at the condition field.
|
|
def BCOND : BranchSP<0, (ops brtarget:$dst, CCOp:$cc),
|
|
"b$cc $dst",
|
|
[(SPbricc bb:$dst, imm:$cc, ICC)]>;
|
|
|
|
|
|
// Section B.22 - Branch on Floating-point Condition Codes Instructions, p. 121
|
|
|
|
// floating-point conditional branch class:
|
|
class FPBranchSP<bits<4> cc, dag ops, string asmstr, list<dag> pattern>
|
|
: F2_2<cc, 0b110, ops, asmstr, pattern> {
|
|
let isBranch = 1;
|
|
let isTerminator = 1;
|
|
let hasDelaySlot = 1;
|
|
let noResults = 1;
|
|
}
|
|
|
|
// FIXME: the encoding for the JIT should look at the condition field.
|
|
def FBCOND : FPBranchSP<0, (ops brtarget:$dst, CCOp:$cc),
|
|
"fb$cc $dst",
|
|
[(SPbrfcc bb:$dst, imm:$cc, FCC)]>;
|
|
|
|
|
|
// Section B.24 - Call and Link Instruction, p. 125
|
|
// This is the only Format 1 instruction
|
|
let Uses = [O0, O1, O2, O3, O4, O5],
|
|
hasDelaySlot = 1, isCall = 1, noResults = 1,
|
|
Defs = [O0, O1, O2, O3, O4, O5, O7, G1, G2, G3, G4, G5, G6, G7,
|
|
D0, D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15] in {
|
|
def CALL : InstSP<(ops calltarget:$dst),
|
|
"call $dst", []> {
|
|
bits<30> disp;
|
|
let op = 1;
|
|
let Inst{29-0} = disp;
|
|
}
|
|
|
|
// indirect calls
|
|
def JMPLrr : F3_1<2, 0b111000,
|
|
(ops MEMrr:$ptr),
|
|
"call $ptr",
|
|
[(call ADDRrr:$ptr)]>;
|
|
def JMPLri : F3_2<2, 0b111000,
|
|
(ops MEMri:$ptr),
|
|
"call $ptr",
|
|
[(call ADDRri:$ptr)]>;
|
|
}
|
|
|
|
// Section B.28 - Read State Register Instructions
|
|
def RDY : F3_1<2, 0b101000,
|
|
(ops IntRegs:$dst),
|
|
"rd %y, $dst", []>;
|
|
|
|
// Section B.29 - Write State Register Instructions
|
|
def WRYrr : F3_1<2, 0b110000,
|
|
(ops IntRegs:$b, IntRegs:$c),
|
|
"wr $b, $c, %y", []>;
|
|
def WRYri : F3_2<2, 0b110000,
|
|
(ops IntRegs:$b, i32imm:$c),
|
|
"wr $b, $c, %y", []>;
|
|
|
|
// Convert Integer to Floating-point Instructions, p. 141
|
|
def FITOS : F3_3<2, 0b110100, 0b011000100,
|
|
(ops FPRegs:$dst, FPRegs:$src),
|
|
"fitos $src, $dst",
|
|
[(set FPRegs:$dst, (SPitof FPRegs:$src))]>;
|
|
def FITOD : F3_3<2, 0b110100, 0b011001000,
|
|
(ops DFPRegs:$dst, FPRegs:$src),
|
|
"fitod $src, $dst",
|
|
[(set DFPRegs:$dst, (SPitof FPRegs:$src))]>;
|
|
|
|
// Convert Floating-point to Integer Instructions, p. 142
|
|
def FSTOI : F3_3<2, 0b110100, 0b011010001,
|
|
(ops FPRegs:$dst, FPRegs:$src),
|
|
"fstoi $src, $dst",
|
|
[(set FPRegs:$dst, (SPftoi FPRegs:$src))]>;
|
|
def FDTOI : F3_3<2, 0b110100, 0b011010010,
|
|
(ops FPRegs:$dst, DFPRegs:$src),
|
|
"fdtoi $src, $dst",
|
|
[(set FPRegs:$dst, (SPftoi DFPRegs:$src))]>;
|
|
|
|
// Convert between Floating-point Formats Instructions, p. 143
|
|
def FSTOD : F3_3<2, 0b110100, 0b011001001,
|
|
(ops DFPRegs:$dst, FPRegs:$src),
|
|
"fstod $src, $dst",
|
|
[(set DFPRegs:$dst, (fextend FPRegs:$src))]>;
|
|
def FDTOS : F3_3<2, 0b110100, 0b011000110,
|
|
(ops FPRegs:$dst, DFPRegs:$src),
|
|
"fdtos $src, $dst",
|
|
[(set FPRegs:$dst, (fround DFPRegs:$src))]>;
|
|
|
|
// Floating-point Move Instructions, p. 144
|
|
def FMOVS : F3_3<2, 0b110100, 0b000000001,
|
|
(ops FPRegs:$dst, FPRegs:$src),
|
|
"fmovs $src, $dst", []>;
|
|
def FNEGS : F3_3<2, 0b110100, 0b000000101,
|
|
(ops FPRegs:$dst, FPRegs:$src),
|
|
"fnegs $src, $dst",
|
|
[(set FPRegs:$dst, (fneg FPRegs:$src))]>;
|
|
def FABSS : F3_3<2, 0b110100, 0b000001001,
|
|
(ops FPRegs:$dst, FPRegs:$src),
|
|
"fabss $src, $dst",
|
|
[(set FPRegs:$dst, (fabs FPRegs:$src))]>;
|
|
|
|
|
|
// Floating-point Square Root Instructions, p.145
|
|
def FSQRTS : F3_3<2, 0b110100, 0b000101001,
|
|
(ops FPRegs:$dst, FPRegs:$src),
|
|
"fsqrts $src, $dst",
|
|
[(set FPRegs:$dst, (fsqrt FPRegs:$src))]>;
|
|
def FSQRTD : F3_3<2, 0b110100, 0b000101010,
|
|
(ops DFPRegs:$dst, DFPRegs:$src),
|
|
"fsqrtd $src, $dst",
|
|
[(set DFPRegs:$dst, (fsqrt DFPRegs:$src))]>;
|
|
|
|
|
|
|
|
// Floating-point Add and Subtract Instructions, p. 146
|
|
def FADDS : F3_3<2, 0b110100, 0b001000001,
|
|
(ops FPRegs:$dst, FPRegs:$src1, FPRegs:$src2),
|
|
"fadds $src1, $src2, $dst",
|
|
[(set FPRegs:$dst, (fadd FPRegs:$src1, FPRegs:$src2))]>;
|
|
def FADDD : F3_3<2, 0b110100, 0b001000010,
|
|
(ops DFPRegs:$dst, DFPRegs:$src1, DFPRegs:$src2),
|
|
"faddd $src1, $src2, $dst",
|
|
[(set DFPRegs:$dst, (fadd DFPRegs:$src1, DFPRegs:$src2))]>;
|
|
def FSUBS : F3_3<2, 0b110100, 0b001000101,
|
|
(ops FPRegs:$dst, FPRegs:$src1, FPRegs:$src2),
|
|
"fsubs $src1, $src2, $dst",
|
|
[(set FPRegs:$dst, (fsub FPRegs:$src1, FPRegs:$src2))]>;
|
|
def FSUBD : F3_3<2, 0b110100, 0b001000110,
|
|
(ops DFPRegs:$dst, DFPRegs:$src1, DFPRegs:$src2),
|
|
"fsubd $src1, $src2, $dst",
|
|
[(set DFPRegs:$dst, (fsub DFPRegs:$src1, DFPRegs:$src2))]>;
|
|
|
|
// Floating-point Multiply and Divide Instructions, p. 147
|
|
def FMULS : F3_3<2, 0b110100, 0b001001001,
|
|
(ops FPRegs:$dst, FPRegs:$src1, FPRegs:$src2),
|
|
"fmuls $src1, $src2, $dst",
|
|
[(set FPRegs:$dst, (fmul FPRegs:$src1, FPRegs:$src2))]>;
|
|
def FMULD : F3_3<2, 0b110100, 0b001001010,
|
|
(ops DFPRegs:$dst, DFPRegs:$src1, DFPRegs:$src2),
|
|
"fmuld $src1, $src2, $dst",
|
|
[(set DFPRegs:$dst, (fmul DFPRegs:$src1, DFPRegs:$src2))]>;
|
|
def FSMULD : F3_3<2, 0b110100, 0b001101001,
|
|
(ops DFPRegs:$dst, FPRegs:$src1, FPRegs:$src2),
|
|
"fsmuld $src1, $src2, $dst",
|
|
[(set DFPRegs:$dst, (fmul (fextend FPRegs:$src1),
|
|
(fextend FPRegs:$src2)))]>;
|
|
def FDIVS : F3_3<2, 0b110100, 0b001001101,
|
|
(ops FPRegs:$dst, FPRegs:$src1, FPRegs:$src2),
|
|
"fdivs $src1, $src2, $dst",
|
|
[(set FPRegs:$dst, (fdiv FPRegs:$src1, FPRegs:$src2))]>;
|
|
def FDIVD : F3_3<2, 0b110100, 0b001001110,
|
|
(ops DFPRegs:$dst, DFPRegs:$src1, DFPRegs:$src2),
|
|
"fdivd $src1, $src2, $dst",
|
|
[(set DFPRegs:$dst, (fdiv DFPRegs:$src1, DFPRegs:$src2))]>;
|
|
|
|
// Floating-point Compare Instructions, p. 148
|
|
// Note: the 2nd template arg is different for these guys.
|
|
// Note 2: the result of a FCMP is not available until the 2nd cycle
|
|
// after the instr is retired, but there is no interlock. This behavior
|
|
// is modelled with a forced noop after the instruction.
|
|
def FCMPS : F3_3<2, 0b110101, 0b001010001,
|
|
(ops FPRegs:$src1, FPRegs:$src2),
|
|
"fcmps $src1, $src2\n\tnop",
|
|
[(set FCC, (SPcmpfcc FPRegs:$src1, FPRegs:$src2))]>;
|
|
def FCMPD : F3_3<2, 0b110101, 0b001010010,
|
|
(ops DFPRegs:$src1, DFPRegs:$src2),
|
|
"fcmpd $src1, $src2\n\tnop",
|
|
[(set FCC, (SPcmpfcc DFPRegs:$src1, DFPRegs:$src2))]>;
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// V9 Instructions
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// V9 Conditional Moves.
|
|
let Predicates = [HasV9], isTwoAddress = 1 in {
|
|
// Move Integer Register on Condition (MOVcc) p. 194 of the V9 manual.
|
|
// FIXME: Add instruction encodings for the JIT some day.
|
|
def MOVICCrr
|
|
: Pseudo<(ops IntRegs:$dst, IntRegs:$T, IntRegs:$F, CCOp:$cc),
|
|
"mov$cc %icc, $F, $dst",
|
|
[(set IntRegs:$dst,
|
|
(SPselecticc IntRegs:$F, IntRegs:$T, imm:$cc, ICC))]>;
|
|
def MOVICCri
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: Pseudo<(ops IntRegs:$dst, IntRegs:$T, i32imm:$F, CCOp:$cc),
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"mov$cc %icc, $F, $dst",
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[(set IntRegs:$dst,
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(SPselecticc simm11:$F, IntRegs:$T, imm:$cc, ICC))]>;
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|
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def MOVFCCrr
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: Pseudo<(ops IntRegs:$dst, IntRegs:$T, IntRegs:$F, CCOp:$cc),
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|
"mov$cc %fcc0, $F, $dst",
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[(set IntRegs:$dst,
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(SPselectfcc IntRegs:$F, IntRegs:$T, imm:$cc, FCC))]>;
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def MOVFCCri
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: Pseudo<(ops IntRegs:$dst, IntRegs:$T, i32imm:$F, CCOp:$cc),
|
|
"mov$cc %fcc0, $F, $dst",
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|
[(set IntRegs:$dst,
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(SPselectfcc simm11:$F, IntRegs:$T, imm:$cc, FCC))]>;
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|
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|
def FMOVS_ICC
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|
: Pseudo<(ops FPRegs:$dst, FPRegs:$T, FPRegs:$F, CCOp:$cc),
|
|
"fmovs$cc %icc, $F, $dst",
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|
[(set FPRegs:$dst,
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|
(SPselecticc FPRegs:$F, FPRegs:$T, imm:$cc, ICC))]>;
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|
def FMOVD_ICC
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|
: Pseudo<(ops DFPRegs:$dst, DFPRegs:$T, DFPRegs:$F, CCOp:$cc),
|
|
"fmovd$cc %icc, $F, $dst",
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|
[(set DFPRegs:$dst,
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|
(SPselecticc DFPRegs:$F, DFPRegs:$T, imm:$cc, ICC))]>;
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|
def FMOVS_FCC
|
|
: Pseudo<(ops FPRegs:$dst, FPRegs:$T, FPRegs:$F, CCOp:$cc),
|
|
"fmovs$cc %fcc0, $F, $dst",
|
|
[(set FPRegs:$dst,
|
|
(SPselectfcc FPRegs:$F, FPRegs:$T, imm:$cc, FCC))]>;
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|
def FMOVD_FCC
|
|
: Pseudo<(ops DFPRegs:$dst, DFPRegs:$T, DFPRegs:$F, CCOp:$cc),
|
|
"fmovd$cc %fcc0, $F, $dst",
|
|
[(set DFPRegs:$dst,
|
|
(SPselectfcc DFPRegs:$F, DFPRegs:$T, imm:$cc, FCC))]>;
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|
|
|
}
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|
|
|
// Floating-Point Move Instructions, p. 164 of the V9 manual.
|
|
let Predicates = [HasV9] in {
|
|
def FMOVD : F3_3<2, 0b110100, 0b000000010,
|
|
(ops DFPRegs:$dst, DFPRegs:$src),
|
|
"fmovd $src, $dst", []>;
|
|
def FNEGD : F3_3<2, 0b110100, 0b000000110,
|
|
(ops DFPRegs:$dst, DFPRegs:$src),
|
|
"fnegd $src, $dst",
|
|
[(set DFPRegs:$dst, (fneg DFPRegs:$src))]>;
|
|
def FABSD : F3_3<2, 0b110100, 0b000001010,
|
|
(ops DFPRegs:$dst, DFPRegs:$src),
|
|
"fabsd $src, $dst",
|
|
[(set DFPRegs:$dst, (fabs DFPRegs:$src))]>;
|
|
}
|
|
|
|
// POPCrr - This does a ctpop of a 64-bit register. As such, we have to clear
|
|
// the top 32-bits before using it. To do this clearing, we use a SLLri X,0.
|
|
def POPCrr : F3_1<2, 0b101110,
|
|
(ops IntRegs:$dst, IntRegs:$src),
|
|
"popc $src, $dst", []>, Requires<[HasV9]>;
|
|
def : Pat<(ctpop IntRegs:$src),
|
|
(POPCrr (SLLri IntRegs:$src, 0))>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Non-Instruction Patterns
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// Small immediates.
|
|
def : Pat<(i32 simm13:$val),
|
|
(ORri G0, imm:$val)>;
|
|
// Arbitrary immediates.
|
|
def : Pat<(i32 imm:$val),
|
|
(ORri (SETHIi (HI22 imm:$val)), (LO10 imm:$val))>;
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|
|
|
// Global addresses, constant pool entries
|
|
def : Pat<(SPhi tglobaladdr:$in), (SETHIi tglobaladdr:$in)>;
|
|
def : Pat<(SPlo tglobaladdr:$in), (ORri G0, tglobaladdr:$in)>;
|
|
def : Pat<(SPhi tconstpool:$in), (SETHIi tconstpool:$in)>;
|
|
def : Pat<(SPlo tconstpool:$in), (ORri G0, tconstpool:$in)>;
|
|
|
|
// Add reg, lo. This is used when taking the addr of a global/constpool entry.
|
|
def : Pat<(add IntRegs:$r, (SPlo tglobaladdr:$in)),
|
|
(ADDri IntRegs:$r, tglobaladdr:$in)>;
|
|
def : Pat<(add IntRegs:$r, (SPlo tconstpool:$in)),
|
|
(ADDri IntRegs:$r, tconstpool:$in)>;
|
|
|
|
|
|
// Calls:
|
|
def : Pat<(call tglobaladdr:$dst),
|
|
(CALL tglobaladdr:$dst)>;
|
|
def : Pat<(call externalsym:$dst),
|
|
(CALL externalsym:$dst)>;
|
|
|
|
def : Pat<(ret), (RETL)>;
|
|
|
|
// Map integer extload's to zextloads.
|
|
def : Pat<(i32 (extload ADDRrr:$src, i1)), (LDUBrr ADDRrr:$src)>;
|
|
def : Pat<(i32 (extload ADDRri:$src, i1)), (LDUBri ADDRri:$src)>;
|
|
def : Pat<(i32 (extload ADDRrr:$src, i8)), (LDUBrr ADDRrr:$src)>;
|
|
def : Pat<(i32 (extload ADDRri:$src, i8)), (LDUBri ADDRri:$src)>;
|
|
def : Pat<(i32 (extload ADDRrr:$src, i16)), (LDUHrr ADDRrr:$src)>;
|
|
def : Pat<(i32 (extload ADDRri:$src, i16)), (LDUHri ADDRri:$src)>;
|
|
|
|
// zextload bool -> zextload byte
|
|
def : Pat<(i32 (zextload ADDRrr:$src, i1)), (LDUBrr ADDRrr:$src)>;
|
|
def : Pat<(i32 (zextload ADDRri:$src, i1)), (LDUBri ADDRri:$src)>;
|
|
|
|
// truncstore bool -> truncstore byte.
|
|
def : Pat<(truncstore IntRegs:$src, ADDRrr:$addr, i1),
|
|
(STBrr ADDRrr:$addr, IntRegs:$src)>;
|
|
def : Pat<(truncstore IntRegs:$src, ADDRri:$addr, i1),
|
|
(STBri ADDRri:$addr, IntRegs:$src)>;
|