2007-06-06 15:42:06 +08:00
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//===- MipsInstrInfo.td - Mips Register defs --------------------*- C++ -*-===//
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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 Bruno Cardoso Lopes and is distributed under the
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// 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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// Instruction format superclass
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//===----------------------------------------------------------------------===//
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include "MipsInstrFormats.td"
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//===----------------------------------------------------------------------===//
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// Mips profiles and nodes
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//===----------------------------------------------------------------------===//
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// Call
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def SDT_MipsJmpLink : SDTypeProfile<0, 1, [SDTCisVT<0, iPTR>]>;
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def MipsJmpLink : SDNode<"MipsISD::JmpLink",SDT_MipsJmpLink, [SDNPHasChain,
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SDNPOutFlag]>;
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// Hi and Lo nodes are created to let easy manipulation of 16-bit when
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// handling 32-bit immediates. They are used on MipsISelLowering to
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// lower stuff like GlobalAddress, ExternalSymbol, ...
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// This two nodes have nothing to do with Mips Registers Hi and Lo.
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def MipsHi : SDNode<"MipsISD::Hi", SDTIntUnaryOp, [SDNPOutFlag]>;
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def MipsLo : SDNode<"MipsISD::Lo", SDTIntUnaryOp>;
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// Necessary to generate glued instructions when loading GlobalAddress
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// into registers.
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def MipsAdd : SDNode<"MipsISD::Add", SDTIntBinOp, [SDNPCommutative,
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SDNPAssociative, SDNPOptInFlag]>;
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2007-06-06 15:42:06 +08:00
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// Return
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def SDT_MipsRet : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
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def MipsRet : SDNode<"MipsISD::Ret", SDT_MipsRet, [SDNPHasChain,
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SDNPOptInFlag]>;
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// These are target-independent nodes, but have target-specific formats.
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def SDT_MipsCallSeq : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
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def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_MipsCallSeq,
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[SDNPHasChain, SDNPOutFlag]>;
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def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_MipsCallSeq,
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[SDNPHasChain, SDNPOutFlag]>;
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// Instruction operand types
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def brtarget : Operand<OtherVT>;
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def calltarget : Operand<i32>;
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def uimm16 : Operand<i32>;
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def simm16 : Operand<i32>;
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def shamt : Operand<i32>;
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// Address operand
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def mem : Operand<i32> {
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let PrintMethod = "printMemOperand";
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let MIOperandInfo = (ops simm16, CPURegs);
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}
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//===----------------------------------------------------------------------===//
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// Mips Patterns and Transformations
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//===----------------------------------------------------------------------===//
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// Transformation Function - get the lower 16 bits.
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def LO16 : SDNodeXForm<imm, [{
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return getI32Imm((unsigned)N->getValue() & 0xFFFF);
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}]>;
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// Transformation Function - get the higher 16 bits.
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def HI16 : SDNodeXForm<imm, [{
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return getI32Imm((unsigned)N->getValue() >> 16);
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}]>;
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// Node immediate fits as 16-bit sign extended on target immediate.
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// e.g. addi, andi
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def immSExt16 : PatLeaf<(imm), [{
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if (N->getValueType(0) == MVT::i32)
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return (int32_t)N->getValue() == (short)N->getValue();
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else
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return (int64_t)N->getValue() == (short)N->getValue();
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}]>;
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// Node immediate fits as 16-bit zero extended on target immediate.
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// The LO16 param means that only the lower 16 bits of the node
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// immediate are caught.
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// e.g. addiu, sltiu
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def immZExt16 : PatLeaf<(imm), [{
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if (N->getValueType(0) == MVT::i32)
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return (uint32_t)N->getValue() == (unsigned short)N->getValue();
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else
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return (uint64_t)N->getValue() == (unsigned short)N->getValue();
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}], LO16>;
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2007-08-18 10:37:46 +08:00
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// Node immediate fits as 32-bit zero extended on target immediate.
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//def immZExt32 : PatLeaf<(imm), [{
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// return (uint64_t)N->getValue() == (uint32_t)N->getValue();
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//}], LO16>;
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// shamt field must fit in 5 bits.
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def immZExt5 : PatLeaf<(imm), [{
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return N->getValue() == ((N->getValue()) & 0x1f) ;
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}]>;
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// Mips Address Mode! SDNode frameindex could possibily be a match
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// since load and store instructions from stack used it.
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def addr : ComplexPattern<i32, 2, "SelectAddr", [frameindex], []>;
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//===----------------------------------------------------------------------===//
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// Instructions specific format
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//===----------------------------------------------------------------------===//
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// Arithmetic 3 register operands
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let isCommutable = 1 in
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class ArithR<bits<6> op, bits<6> func, string instr_asm, SDNode OpNode,
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InstrItinClass itin>:
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FR< op,
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func,
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Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
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(outs CPURegs:$dst),
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(ins CPURegs:$b, CPURegs:$c),
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2007-06-06 15:42:06 +08:00
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!strconcat(instr_asm, " $dst, $b, $c"),
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[(set CPURegs:$dst, (OpNode CPURegs:$b, CPURegs:$c))], itin>;
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2007-06-06 15:42:06 +08:00
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let isCommutable = 1 in
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class ArithOverflowR<bits<6> op, bits<6> func, string instr_asm>:
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FR< op,
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func,
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Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
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(outs CPURegs:$dst),
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(ins CPURegs:$b, CPURegs:$c),
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!strconcat(instr_asm, " $dst, $b, $c"),
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[], IIAlu>;
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// Arithmetic 2 register operands
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let isCommutable = 1 in
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class ArithI<bits<6> op, string instr_asm, SDNode OpNode,
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Operand Od, PatLeaf imm_type> :
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FI< op,
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Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
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(outs CPURegs:$dst),
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(ins CPURegs:$b, Od:$c),
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2007-06-06 15:42:06 +08:00
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!strconcat(instr_asm, " $dst, $b, $c"),
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[(set CPURegs:$dst, (OpNode CPURegs:$b, imm_type:$c))], IIAlu>;
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2007-06-06 15:42:06 +08:00
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// Arithmetic Multiply ADD/SUB
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let rd=0 in
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class MArithR<bits<6> func, string instr_asm> :
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FR< 0x1c,
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func,
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Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
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(outs CPURegs:$rs),
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(ins CPURegs:$rt),
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!strconcat(instr_asm, " $rs, $rt"),
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[], IIImul>;
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// Logical
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class LogicR<bits<6> func, string instr_asm, SDNode OpNode>:
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FR< 0x00,
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func,
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Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
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(outs CPURegs:$dst),
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(ins CPURegs:$b, CPURegs:$c),
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2007-06-06 15:42:06 +08:00
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!strconcat(instr_asm, " $dst, $b, $c"),
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[(set CPURegs:$dst, (OpNode CPURegs:$b, CPURegs:$c))], IIAlu>;
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class LogicI<bits<6> op, string instr_asm, SDNode OpNode>:
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FI< op,
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Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
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(outs CPURegs:$dst),
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(ins CPURegs:$b, uimm16:$c),
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2007-06-06 15:42:06 +08:00
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!strconcat(instr_asm, " $dst, $b, $c"),
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[(set CPURegs:$dst, (OpNode CPURegs:$b, immSExt16:$c))], IIAlu>;
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class LogicNOR<bits<6> op, bits<6> func, string instr_asm>:
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FR< op,
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func,
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Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
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(outs CPURegs:$dst),
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(ins CPURegs:$b, CPURegs:$c),
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!strconcat(instr_asm, " $dst, $b, $c"),
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[(set CPURegs:$dst, (not (or CPURegs:$b, CPURegs:$c)))], IIAlu>;
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2007-06-06 15:42:06 +08:00
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// Shifts
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let rt = 0 in
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class LogicR_shift_imm<bits<6> func, string instr_asm, SDNode OpNode>:
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FR< 0x00,
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func,
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Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
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(outs CPURegs:$dst),
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(ins CPURegs:$b, shamt:$c),
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2007-06-06 15:42:06 +08:00
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!strconcat(instr_asm, " $dst, $b, $c"),
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2007-08-18 10:37:46 +08:00
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[(set CPURegs:$dst, (OpNode CPURegs:$b, immZExt5:$c))], IIAlu>;
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2007-06-06 15:42:06 +08:00
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class LogicR_shift_reg<bits<6> func, string instr_asm, SDNode OpNode>:
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FR< 0x00,
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func,
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Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
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(outs CPURegs:$dst),
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(ins CPURegs:$b, CPURegs:$c),
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2007-06-06 15:42:06 +08:00
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!strconcat(instr_asm, " $dst, $b, $c"),
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2007-08-18 10:37:46 +08:00
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[(set CPURegs:$dst, (OpNode CPURegs:$b, CPURegs:$c))], IIAlu>;
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2007-06-06 15:42:06 +08:00
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// Load Upper Imediate
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class LoadUpper<bits<6> op, string instr_asm>:
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FI< op,
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Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
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(outs CPURegs:$dst),
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(ins uimm16:$imm),
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!strconcat(instr_asm, " $dst, $imm"),
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[], IIAlu>;
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// Memory Load/Store
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let isLoad = 1, hasDelaySlot = 1 in
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class LoadM<bits<6> op, string instr_asm, PatFrag OpNode>:
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FI< op,
|
Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
|
|
|
(outs CPURegs:$dst),
|
|
|
|
(ins mem:$addr),
|
2007-06-06 15:42:06 +08:00
|
|
|
!strconcat(instr_asm, " $dst, $addr"),
|
2007-08-18 10:37:46 +08:00
|
|
|
[(set CPURegs:$dst, (OpNode addr:$addr))], IILoad>;
|
2007-06-06 15:42:06 +08:00
|
|
|
|
|
|
|
let isStore = 1 in
|
|
|
|
class StoreM<bits<6> op, string instr_asm, PatFrag OpNode>:
|
|
|
|
FI< op,
|
Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
|
|
|
(outs),
|
|
|
|
(ins CPURegs:$dst, mem:$addr),
|
2007-06-06 15:42:06 +08:00
|
|
|
!strconcat(instr_asm, " $dst, $addr"),
|
2007-08-18 10:37:46 +08:00
|
|
|
[(OpNode CPURegs:$dst, addr:$addr)], IIStore>;
|
2007-06-06 15:42:06 +08:00
|
|
|
|
|
|
|
// Conditional Branch
|
2007-08-18 10:37:46 +08:00
|
|
|
let isBranch = 1, isTerminator=1, hasDelaySlot = 1 in {
|
2007-06-06 15:42:06 +08:00
|
|
|
class CBranch<bits<6> op, string instr_asm, PatFrag cond_op>:
|
|
|
|
FI< op,
|
Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
|
|
|
(outs),
|
|
|
|
(ins CPURegs:$a, CPURegs:$b, brtarget:$offset),
|
2007-06-06 15:42:06 +08:00
|
|
|
!strconcat(instr_asm, " $a, $b, $offset"),
|
2007-08-18 10:37:46 +08:00
|
|
|
[(brcond (cond_op CPURegs:$a, CPURegs:$b), bb:$offset)],
|
|
|
|
IIBranch>;
|
|
|
|
|
|
|
|
|
|
|
|
class CBranchZero<bits<6> op, string instr_asm, PatFrag cond_op>:
|
|
|
|
FI< op,
|
|
|
|
(outs),
|
|
|
|
(ins CPURegs:$src, brtarget:$offset),
|
|
|
|
!strconcat(instr_asm, " $src, $offset"),
|
|
|
|
[(brcond (cond_op CPURegs:$src, 0), bb:$offset)],
|
|
|
|
IIBranch>;
|
|
|
|
}
|
2007-06-06 15:42:06 +08:00
|
|
|
|
2007-08-18 10:37:46 +08:00
|
|
|
// SetCC
|
2007-06-06 15:42:06 +08:00
|
|
|
class SetCC_R<bits<6> op, bits<6> func, string instr_asm,
|
|
|
|
PatFrag cond_op>:
|
|
|
|
FR< op,
|
|
|
|
func,
|
Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
|
|
|
(outs CPURegs:$dst),
|
|
|
|
(ins CPURegs:$b, CPURegs:$c),
|
2007-06-06 15:42:06 +08:00
|
|
|
!strconcat(instr_asm, " $dst, $b, $c"),
|
2007-08-18 10:37:46 +08:00
|
|
|
[(set CPURegs:$dst, (cond_op CPURegs:$b, CPURegs:$c))],
|
|
|
|
IIAlu>;
|
2007-06-06 15:42:06 +08:00
|
|
|
|
|
|
|
class SetCC_I<bits<6> op, string instr_asm, PatFrag cond_op,
|
|
|
|
Operand Od, PatLeaf imm_type>:
|
|
|
|
FI< op,
|
Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
|
|
|
(outs CPURegs:$dst),
|
|
|
|
(ins CPURegs:$b, Od:$c),
|
2007-06-06 15:42:06 +08:00
|
|
|
!strconcat(instr_asm, " $dst, $b, $c"),
|
2007-08-18 10:37:46 +08:00
|
|
|
[(set CPURegs:$dst, (cond_op CPURegs:$b, imm_type:$c))],
|
|
|
|
IIAlu>;
|
2007-06-06 15:42:06 +08:00
|
|
|
|
|
|
|
// Unconditional branch
|
2007-08-18 10:37:46 +08:00
|
|
|
let isBranch=1, isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
|
2007-06-06 15:42:06 +08:00
|
|
|
class JumpFJ<bits<6> op, string instr_asm>:
|
|
|
|
FJ< op,
|
Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
|
|
|
(outs),
|
|
|
|
(ins brtarget:$target),
|
2007-06-06 15:42:06 +08:00
|
|
|
!strconcat(instr_asm, " $target"),
|
2007-08-18 10:37:46 +08:00
|
|
|
[(br bb:$target)], IIBranch>;
|
2007-06-06 15:42:06 +08:00
|
|
|
|
2007-08-18 10:37:46 +08:00
|
|
|
let isBranch=1, isTerminator=1, isBarrier=1, rd=0, hasDelaySlot = 1 in
|
2007-06-06 15:42:06 +08:00
|
|
|
class JumpFR<bits<6> op, bits<6> func, string instr_asm>:
|
|
|
|
FR< op,
|
|
|
|
func,
|
Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
|
|
|
(outs),
|
|
|
|
(ins CPURegs:$target),
|
2007-06-06 15:42:06 +08:00
|
|
|
!strconcat(instr_asm, " $target"),
|
2007-08-18 10:37:46 +08:00
|
|
|
[], IIBranch>;
|
2007-06-06 15:42:06 +08:00
|
|
|
|
|
|
|
// Jump and Link (Call)
|
2007-08-18 10:37:46 +08:00
|
|
|
let isCall=1, hasDelaySlot=1,
|
|
|
|
// All calls clobber the non-callee saved registers...
|
|
|
|
Defs = [AT, V0, V1, A0, A1, A2, A3, T0, T1, T2,
|
|
|
|
T3, T4, T5, T6, T7, T8, T9, K0, K1, GP] in {
|
|
|
|
class JumpLink<bits<6> op, string instr_asm>:
|
|
|
|
FJ< op,
|
|
|
|
(outs),
|
|
|
|
(ins calltarget:$target),
|
|
|
|
!strconcat(instr_asm, " $target"),
|
|
|
|
[(MipsJmpLink imm:$target)], IIBranch>;
|
|
|
|
|
|
|
|
let rd=31 in
|
|
|
|
class JumpLinkReg<bits<6> op, bits<6> func, string instr_asm>:
|
|
|
|
FR< op,
|
|
|
|
func,
|
|
|
|
(outs),
|
|
|
|
(ins CPURegs:$rs),
|
|
|
|
!strconcat(instr_asm, " $rs"),
|
|
|
|
[(MipsJmpLink CPURegs:$rs)], IIBranch>;
|
|
|
|
|
|
|
|
class BranchLink<string instr_asm>:
|
|
|
|
FI< 0x1,
|
|
|
|
(outs),
|
|
|
|
(ins CPURegs:$rs, brtarget:$target),
|
|
|
|
!strconcat(instr_asm, " $rs, $target"),
|
|
|
|
[], IIBranch>;
|
|
|
|
}
|
2007-06-06 15:42:06 +08:00
|
|
|
|
|
|
|
// Mul, Div
|
2007-08-18 10:37:46 +08:00
|
|
|
class MulDiv<bits<6> func, string instr_asm, InstrItinClass itin>:
|
2007-06-06 15:42:06 +08:00
|
|
|
FR< 0x00,
|
|
|
|
func,
|
Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
|
|
|
(outs),
|
|
|
|
(ins CPURegs:$a, CPURegs:$b),
|
2007-06-06 15:42:06 +08:00
|
|
|
!strconcat(instr_asm, " $a, $b"),
|
2007-08-18 10:37:46 +08:00
|
|
|
[], itin>;
|
2007-06-06 15:42:06 +08:00
|
|
|
|
|
|
|
// Move from Hi/Lo
|
|
|
|
class MoveFromTo<bits<6> func, string instr_asm>:
|
|
|
|
FR< 0x00,
|
|
|
|
func,
|
Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
|
|
|
(outs CPURegs:$dst),
|
|
|
|
(ins),
|
2007-06-06 15:42:06 +08:00
|
|
|
!strconcat(instr_asm, " $dst"),
|
2007-08-18 10:37:46 +08:00
|
|
|
[], IIHiLo>;
|
2007-06-06 15:42:06 +08:00
|
|
|
|
|
|
|
// Count Leading Ones/Zeros in Word
|
|
|
|
class CountLeading<bits<6> func, string instr_asm>:
|
|
|
|
FR< 0x1c,
|
|
|
|
func,
|
Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
|
|
|
(outs CPURegs:$dst),
|
|
|
|
(ins CPURegs:$src),
|
2007-06-06 15:42:06 +08:00
|
|
|
!strconcat(instr_asm, " $dst, $src"),
|
2007-08-18 10:37:46 +08:00
|
|
|
[], IIAlu>;
|
2007-06-06 15:42:06 +08:00
|
|
|
|
|
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// Pseudo instructions
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
|
2007-08-18 10:37:46 +08:00
|
|
|
class Pseudo<dag outs, dag ins, string asmstr, list<dag> pattern>:
|
|
|
|
MipsInst<outs, ins, asmstr, pattern, IIPseudo>;
|
2007-06-06 15:42:06 +08:00
|
|
|
|
|
|
|
// As stack alignment is always done with addiu, we need a 16-bit immediate
|
2007-09-12 03:55:27 +08:00
|
|
|
let Defs = [SP], Uses = [SP] in {
|
Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
|
|
|
def ADJCALLSTACKDOWN : Pseudo<(outs), (ins uimm16:$amt),
|
2007-06-06 15:42:06 +08:00
|
|
|
"!ADJCALLSTACKDOWN $amt",
|
2007-09-12 03:55:27 +08:00
|
|
|
[(callseq_start imm:$amt)]>;
|
Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
|
|
|
def ADJCALLSTACKUP : Pseudo<(outs), (ins uimm16:$amt),
|
2007-06-06 15:42:06 +08:00
|
|
|
"!ADJCALLSTACKUP $amt",
|
2007-09-12 03:55:27 +08:00
|
|
|
[(callseq_end imm:$amt)]>;
|
|
|
|
}
|
2007-06-06 15:42:06 +08:00
|
|
|
|
Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
|
|
|
def IMPLICIT_DEF_CPURegs : Pseudo<(outs CPURegs:$dst), (ins),
|
2007-06-06 15:42:06 +08:00
|
|
|
"!IMPLICIT_DEF $dst",
|
|
|
|
[(set CPURegs:$dst, (undef))]>;
|
|
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// Instruction definition
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
2007-08-18 10:37:46 +08:00
|
|
|
// MipsI Instructions
|
2007-06-06 15:42:06 +08:00
|
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
|
|
|
|
// Arithmetic
|
2007-08-18 10:37:46 +08:00
|
|
|
|
|
|
|
// ADDiu just accept 16-bit immediates but we handle this on Pat's.
|
|
|
|
// immZExt32 is used here so it can match GlobalAddress immediates.
|
|
|
|
def ADDiu : ArithI<0x09, "addiu", MipsAdd, uimm16, immZExt16>;
|
|
|
|
def ADDi : ArithI<0x08, "addi", add, simm16, immSExt16>;
|
|
|
|
def MUL : ArithR<0x1c, 0x02, "mul", mul, IIImul>;
|
|
|
|
def ADDu : ArithR<0x00, 0x21, "addu", add, IIAlu>;
|
|
|
|
def SUBu : ArithR<0x00, 0x23, "subu", sub, IIAlu>;
|
2007-06-06 15:42:06 +08:00
|
|
|
def ADD : ArithOverflowR<0x00, 0x20, "add">;
|
|
|
|
def SUB : ArithOverflowR<0x00, 0x22, "sub">;
|
|
|
|
def MADD : MArithR<0x00, "madd">;
|
|
|
|
def MADDU : MArithR<0x01, "maddu">;
|
|
|
|
def MSUB : MArithR<0x04, "msub">;
|
|
|
|
def MSUBU : MArithR<0x05, "msubu">;
|
|
|
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// Logical
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def AND : LogicR<0x24, "and", and>;
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def OR : LogicR<0x25, "or", or>;
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def XOR : LogicR<0x26, "xor", xor>;
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def ANDi : LogicI<0x0c, "andi", and>;
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def ORi : LogicI<0x0d, "ori", or>;
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def XORi : LogicI<0x0e, "xori", xor>;
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def NOR : LogicNOR<0x00, 0x27, "nor">;
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// Shifts
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def SLL : LogicR_shift_imm<0x00, "sll", shl>;
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def SRL : LogicR_shift_imm<0x02, "srl", srl>;
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def SRA : LogicR_shift_imm<0x03, "sra", sra>;
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def SLLV : LogicR_shift_reg<0x04, "sllv", shl>;
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def SRLV : LogicR_shift_reg<0x06, "srlv", srl>;
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def SRAV : LogicR_shift_reg<0x07, "srav", sra>;
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// Load Upper Immediate
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def LUi : LoadUpper<0x0f, "lui">;
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// Load/Store
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def LB : LoadM<0x20, "lb", sextloadi8>;
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def LBu : LoadM<0x24, "lbu", zextloadi8>;
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def LH : LoadM<0x21, "lh", sextloadi16>;
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def LHu : LoadM<0x25, "lhu", zextloadi16>;
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def LW : LoadM<0x23, "lw", load>;
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def SB : StoreM<0x28, "sb", truncstorei8>;
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def SH : StoreM<0x29, "sh", truncstorei16>;
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def SW : StoreM<0x2b, "sw", store>;
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// Conditional Branch
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def BEQ : CBranch<0x04, "beq", seteq>;
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def BNE : CBranch<0x05, "bne", setne>;
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2007-08-18 10:37:46 +08:00
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let rt=1 in
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def BGEZ : CBranchZero<0x01, "bgez", setge>;
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let rt=0 in {
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def BGTZ : CBranchZero<0x07, "bgtz", setgt>;
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def BLEZ : CBranchZero<0x07, "blez", setle>;
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def BLTZ : CBranchZero<0x01, "bltz", setlt>;
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}
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// Set Condition Code
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2007-06-06 15:42:06 +08:00
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def SLT : SetCC_R<0x00, 0x2a, "slt", setlt>;
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def SLTu : SetCC_R<0x00, 0x2b, "sltu", setult>;
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def SLTi : SetCC_I<0x0a, "slti", setlt, simm16, immSExt16>;
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def SLTiu : SetCC_I<0x0b, "sltiu", setult, uimm16, immZExt16>;
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// Unconditional jump
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def J : JumpFJ<0x02, "j">;
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def JR : JumpFR<0x00, 0x08, "jr">;
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// Jump and Link (Call)
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def JAL : JumpLink<0x03, "jal">;
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def JALR : JumpLinkReg<0x00, 0x09, "jalr">;
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2007-08-18 10:37:46 +08:00
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def BGEZAL : BranchLink<"bgezal">;
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def BLTZAL : BranchLink<"bltzal">;
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2007-06-06 15:42:06 +08:00
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// MulDiv and Move From Hi/Lo operations, have
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// their correpondent SDNodes created on ISelDAG.
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// Special Mul, Div operations
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2007-08-18 10:37:46 +08:00
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def MULT : MulDiv<0x18, "mult", IIImul>;
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def MULTu : MulDiv<0x19, "multu", IIImul>;
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def DIV : MulDiv<0x1a, "div", IIIdiv>;
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def DIVu : MulDiv<0x1b, "divu", IIIdiv>;
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2007-06-06 15:42:06 +08:00
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// Move From Hi/Lo
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def MFHI : MoveFromTo<0x10, "mfhi">;
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def MFLO : MoveFromTo<0x12, "mflo">;
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def MTHI : MoveFromTo<0x11, "mthi">;
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def MTLO : MoveFromTo<0x13, "mtlo">;
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// Count Leading
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def CLO : CountLeading<0x21, "clo">;
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def CLZ : CountLeading<0x20, "clz">;
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// No operation
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let addr=0 in
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2007-08-18 10:37:46 +08:00
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def NOP : FJ<0, (outs), (ins), "nop", [], IIAlu>;
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2007-06-06 15:42:06 +08:00
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// Ret instruction - as mips does not have "ret" a
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// jr $ra must be generated.
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2007-07-21 08:34:19 +08:00
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let isReturn=1, isTerminator=1, hasDelaySlot=1,
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2007-06-06 15:42:06 +08:00
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isBarrier=1, hasCtrlDep=1, rs=0, rt=0, shamt=0 in
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{
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Change instruction description to split OperandList into OutOperandList and
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
llvm-svn: 40033
2007-07-19 09:14:50 +08:00
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def RET : FR <0x00, 0x02, (outs), (ins CPURegs:$target),
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2007-08-18 10:37:46 +08:00
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"jr $target", [(MipsRet CPURegs:$target)], IIBranch>;
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2007-06-06 15:42:06 +08:00
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}
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//===----------------------------------------------------------------------===//
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// Arbitrary patterns that map to one or more instructions
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//===----------------------------------------------------------------------===//
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// Small immediates
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def : Pat<(i32 immSExt16:$in),
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2007-07-12 06:47:02 +08:00
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(ADDiu ZERO, imm:$in)>;
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def : Pat<(i32 immZExt16:$in),
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2007-06-06 15:42:06 +08:00
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(ORi ZERO, imm:$in)>;
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// Arbitrary immediates
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def : Pat<(i32 imm:$imm),
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(ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
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// Call
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def : Pat<(MipsJmpLink (i32 tglobaladdr:$dst)),
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(JAL tglobaladdr:$dst)>;
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def : Pat<(MipsJmpLink (i32 texternalsym:$dst)),
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(JAL texternalsym:$dst)>;
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2007-08-18 10:37:46 +08:00
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def : Pat<(MipsJmpLink CPURegs:$dst),
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(JALR CPURegs:$dst)>;
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2007-06-06 15:42:06 +08:00
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// GlobalAddress, Constant Pool, ExternalSymbol, and JumpTable
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def : Pat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
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def : Pat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
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2007-08-18 10:37:46 +08:00
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def : Pat<(MipsAdd CPURegs:$hi, (MipsLo tglobaladdr:$lo)),
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(ADDiu CPURegs:$hi, tglobaladdr:$lo)>;
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2007-06-06 15:42:06 +08:00
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// Mips does not have not, so we increase the operation
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def : Pat<(not CPURegs:$in),
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2007-08-18 10:37:46 +08:00
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(NOR CPURegs:$in, ZERO)>;
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2007-06-06 15:42:06 +08:00
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// extended load and stores
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2007-08-18 10:37:46 +08:00
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def : Pat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
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2007-06-06 15:42:06 +08:00
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def : Pat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
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def : Pat<(i32 (extloadi16 addr:$src)), (LHu addr:$src)>;
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def : Pat<(truncstorei1 CPURegs:$src, addr:$addr),
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2007-08-18 10:37:46 +08:00
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(SB CPURegs:$src, addr:$addr)>;
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///
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/// brcond patterns
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///
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2007-06-06 15:42:06 +08:00
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2007-08-18 10:37:46 +08:00
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// direct match equal/notequal zero branches
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def : Pat<(brcond (setne CPURegs:$lhs, 0), bb:$dst),
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2007-07-12 06:47:02 +08:00
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(BNE CPURegs:$lhs, ZERO, bb:$dst)>;
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2007-08-18 10:37:46 +08:00
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def : Pat<(brcond (seteq CPURegs:$lhs, 0), bb:$dst),
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(BEQ CPURegs:$lhs, ZERO, bb:$dst)>;
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2007-07-12 06:47:02 +08:00
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2007-08-18 10:37:46 +08:00
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def : Pat<(brcond (setge CPURegs:$lhs, CPURegs:$rhs), bb:$dst),
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(BGEZ (SUB CPURegs:$lhs, CPURegs:$rhs), bb:$dst)>;
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def : Pat<(brcond (setuge CPURegs:$lhs, CPURegs:$rhs), bb:$dst),
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(BGEZ (SUBu CPURegs:$lhs, CPURegs:$rhs), bb:$dst)>;
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2007-07-12 06:47:02 +08:00
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2007-06-06 15:42:06 +08:00
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def : Pat<(brcond (setgt CPURegs:$lhs, CPURegs:$rhs), bb:$dst),
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2007-08-18 10:37:46 +08:00
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(BGTZ (SUB CPURegs:$lhs, CPURegs:$rhs), bb:$dst)>;
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def : Pat<(brcond (setugt CPURegs:$lhs, CPURegs:$rhs), bb:$dst),
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(BGTZ (SUBu CPURegs:$lhs, CPURegs:$rhs), bb:$dst)>;
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2007-06-06 15:42:06 +08:00
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2007-08-18 10:37:46 +08:00
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def : Pat<(brcond (setle CPURegs:$lhs, CPURegs:$rhs), bb:$dst),
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(BLEZ (SUB CPURegs:$lhs, CPURegs:$rhs), bb:$dst)>;
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2007-06-06 15:42:06 +08:00
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def : Pat<(brcond (setule CPURegs:$lhs, CPURegs:$rhs), bb:$dst),
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2007-08-18 10:37:46 +08:00
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(BLEZ (SUBu CPURegs:$lhs, CPURegs:$rhs), bb:$dst)>;
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2007-06-06 15:42:06 +08:00
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2007-08-18 10:37:46 +08:00
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def : Pat<(brcond (setlt CPURegs:$lhs, immSExt16:$rhs), bb:$dst),
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2007-06-06 15:42:06 +08:00
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(BNE (SLTi CPURegs:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
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def : Pat<(brcond (setult CPURegs:$lhs, immZExt16:$rhs), bb:$dst),
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(BNE (SLTiu CPURegs:$lhs, immZExt16:$rhs), ZERO, bb:$dst)>;
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2007-08-18 10:37:46 +08:00
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def : Pat<(brcond (setlt CPURegs:$lhs, CPURegs:$rhs), bb:$dst),
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(BNE (SLT CPURegs:$lhs, CPURegs:$rhs), ZERO, bb:$dst)>;
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def : Pat<(brcond (setult CPURegs:$lhs, CPURegs:$rhs), bb:$dst),
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(BNE (SLTu CPURegs:$lhs, CPURegs:$rhs), ZERO, bb:$dst)>;
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def : Pat<(brcond (setlt CPURegs:$lhs, CPURegs:$rhs), bb:$dst),
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(BLTZ (SUB CPURegs:$lhs, CPURegs:$rhs), bb:$dst)>;
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def : Pat<(brcond (setult CPURegs:$lhs, CPURegs:$rhs), bb:$dst),
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(BLTZ (SUBu CPURegs:$lhs, CPURegs:$rhs), bb:$dst)>;
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// generic brcond pattern
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def : Pat<(brcond CPURegs:$cond, bb:$dst),
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(BNE CPURegs:$cond, ZERO, bb:$dst)>;
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///
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/// setcc patterns, only matched when there
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/// is no brcond following a setcc operation
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///
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// setcc 2 register operands
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def : Pat<(setle CPURegs:$lhs, CPURegs:$rhs),
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(XORi (SLT CPURegs:$rhs, CPURegs:$lhs), 1)>;
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def : Pat<(setule CPURegs:$lhs, CPURegs:$rhs),
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(XORi (SLTu CPURegs:$rhs, CPURegs:$lhs), 1)>;
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def : Pat<(setgt CPURegs:$lhs, CPURegs:$rhs),
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(SLT CPURegs:$rhs, CPURegs:$lhs)>;
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def : Pat<(setugt CPURegs:$lhs, CPURegs:$rhs),
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(SLTu CPURegs:$rhs, CPURegs:$lhs)>;
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def : Pat<(setge CPURegs:$lhs, CPURegs:$rhs),
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(XORi (SLT CPURegs:$lhs, CPURegs:$rhs), 1)>;
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def : Pat<(setuge CPURegs:$lhs, CPURegs:$rhs),
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(XORi (SLTu CPURegs:$lhs, CPURegs:$rhs), 1)>;
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def : Pat<(setne CPURegs:$lhs, CPURegs:$rhs),
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(OR (SLT CPURegs:$lhs, CPURegs:$rhs),
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(SLT CPURegs:$rhs, CPURegs:$lhs))>;
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def : Pat<(seteq CPURegs:$lhs, CPURegs:$rhs),
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(XORi (OR (SLT CPURegs:$lhs, CPURegs:$rhs),
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(SLT CPURegs:$rhs, CPURegs:$lhs)), 1)>;
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// setcc reg/imm operands
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def : Pat<(setge CPURegs:$lhs, immSExt16:$rhs),
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(XORi (SLTi CPURegs:$lhs, immSExt16:$rhs), 1)>;
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def : Pat<(setuge CPURegs:$lhs, immZExt16:$rhs),
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(XORi (SLTiu CPURegs:$lhs, immZExt16:$rhs), 1)>;
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