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Move class and instruction definitions for conditional moves to a seperate file.

llvm-svn: 142220
This commit is contained in:
Akira Hatanaka 2011-10-17 18:43:19 +00:00
parent 9045499a59
commit e8cb50da87
4 changed files with 112 additions and 106 deletions

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@ -0,0 +1,107 @@
// Conditional moves:
// These instructions are expanded in
// MipsISelLowering::EmitInstrWithCustomInserter if target does not have
// conditional move instructions.
// cond:int, data:int
class CondMovIntInt<bits<6> funct, string instr_asm> :
FR<0, funct, (outs CPURegs:$rd), (ins CPURegs:$rs, CPURegs:$rt, CPURegs:$F),
!strconcat(instr_asm, "\t$rd, $rs, $rt"), [], NoItinerary> {
let shamt = 0;
let usesCustomInserter = 1;
let Constraints = "$F = $rd";
}
// cond:int, data:float
class CondMovIntFP<RegisterClass RC, bits<5> fmt, bits<6> func,
string instr_asm> :
FFR<0x11, func, fmt, (outs RC:$fd), (ins RC:$fs, CPURegs:$rt, RC:$F),
!strconcat(instr_asm, "\t$fd, $fs, $rt"), []> {
let usesCustomInserter = 1;
let Constraints = "$F = $fd";
}
// cond:float, data:int
class CondMovFPInt<SDNode cmov, bits<1> tf, string instr_asm> :
FCMOV<tf, (outs CPURegs:$rd), (ins CPURegs:$rs, CPURegs:$F),
!strconcat(instr_asm, "\t$rd, $rs, $$fcc0"),
[(set CPURegs:$rd, (cmov CPURegs:$rs, CPURegs:$F))]> {
let cc = 0;
let usesCustomInserter = 1;
let Uses = [FCR31];
let Constraints = "$F = $rd";
}
// cond:float, data:float
class CondMovFPFP<RegisterClass RC, SDNode cmov, bits<5> fmt, bits<1> tf,
string instr_asm> :
FFCMOV<fmt, tf, (outs RC:$fd), (ins RC:$fs, RC:$F),
!strconcat(instr_asm, "\t$fd, $fs, $$fcc0"),
[(set RC:$fd, (cmov RC:$fs, RC:$F))]> {
let cc = 0;
let usesCustomInserter = 1;
let Uses = [FCR31];
let Constraints = "$F = $fd";
}
// select patterns
multiclass MovzPats<RegisterClass RC, Instruction MOVZInst> {
def : Pat<(select (i32 (setge CPURegs:$lhs, CPURegs:$rhs)), RC:$T, RC:$F),
(MOVZInst RC:$T, (SLT CPURegs:$lhs, CPURegs:$rhs), RC:$F)>;
def : Pat<(select (i32 (setuge CPURegs:$lhs, CPURegs:$rhs)), RC:$T, RC:$F),
(MOVZInst RC:$T, (SLTu CPURegs:$lhs, CPURegs:$rhs), RC:$F)>;
def : Pat<(select (i32 (setge CPURegs:$lhs, immSExt16:$rhs)), RC:$T, RC:$F),
(MOVZInst RC:$T, (SLTi CPURegs:$lhs, immSExt16:$rhs), RC:$F)>;
def : Pat<(select (i32 (setuge CPURegs:$lh, immSExt16:$rh)), RC:$T, RC:$F),
(MOVZInst RC:$T, (SLTiu CPURegs:$lh, immSExt16:$rh), RC:$F)>;
def : Pat<(select (i32 (setle CPURegs:$lhs, CPURegs:$rhs)), RC:$T, RC:$F),
(MOVZInst RC:$T, (SLT CPURegs:$rhs, CPURegs:$lhs), RC:$F)>;
def : Pat<(select (i32 (setule CPURegs:$lhs, CPURegs:$rhs)), RC:$T, RC:$F),
(MOVZInst RC:$T, (SLTu CPURegs:$rhs, CPURegs:$lhs), RC:$F)>;
def : Pat<(select (i32 (seteq CPURegs:$lhs, CPURegs:$rhs)), RC:$T, RC:$F),
(MOVZInst RC:$T, (XOR CPURegs:$lhs, CPURegs:$rhs), RC:$F)>;
def : Pat<(select (i32 (seteq CPURegs:$lhs, 0)), RC:$T, RC:$F),
(MOVZInst RC:$T, CPURegs:$lhs, RC:$F)>;
}
multiclass MovnPats<RegisterClass RC, Instruction MOVNInst> {
def : Pat<(select (i32 (setne CPURegs:$lhs, CPURegs:$rhs)), RC:$T, RC:$F),
(MOVNInst RC:$T, (XOR CPURegs:$lhs, CPURegs:$rhs), RC:$F)>;
def : Pat<(select CPURegs:$cond, RC:$T, RC:$F),
(MOVNInst RC:$T, CPURegs:$cond, RC:$F)>;
def : Pat<(select (i32 (setne CPURegs:$lhs, 0)), RC:$T, RC:$F),
(MOVNInst RC:$T, CPURegs:$lhs, RC:$F)>;
}
// Instantiation of instructions.
def MOVZ_I : CondMovIntInt<0x0a, "movz">;
def MOVN_I : CondMovIntInt<0x0b, "movn">;
def MOVZ_S : CondMovIntFP<FGR32, 16, 18, "movz.s">;
def MOVN_S : CondMovIntFP<FGR32, 16, 19, "movn.s">;
let Predicates = [NotFP64bit] in {
def MOVZ_D : CondMovIntFP<AFGR64, 17, 18, "movz.d">;
def MOVN_D : CondMovIntFP<AFGR64, 17, 19, "movn.d">;
}
def MOVT : CondMovFPInt<MipsCMovFP_T, 1, "movt">;
def MOVF : CondMovFPInt<MipsCMovFP_F, 0, "movf">;
def MOVT_S : CondMovFPFP<FGR32, MipsCMovFP_T, 16, 1, "movt.s">;
def MOVF_S : CondMovFPFP<FGR32, MipsCMovFP_F, 16, 0, "movf.s">;
let Predicates = [NotFP64bit] in {
def MOVT_D : CondMovFPFP<AFGR64, MipsCMovFP_T, 17, 1, "movt.d">;
def MOVF_D : CondMovFPFP<AFGR64, MipsCMovFP_F, 17, 0, "movf.d">;
}
// Instantiation of conditional move patterns.
defm : MovzPats<CPURegs, MOVZ_I>;
defm : MovnPats<CPURegs, MOVN_I>;
defm : MovzPats<FGR32, MOVZ_S>;
defm : MovnPats<FGR32, MOVN_S>;
let Predicates = [NotFP64bit] in {
defm : MovzPats<AFGR64, MOVZ_D>;
defm : MovnPats<AFGR64, MOVN_D>;
}

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@ -259,59 +259,6 @@ let Defs=[FCR31] in {
Requires<[NotFP64bit]>;
}
// Conditional moves:
// These instructions are expanded in
// MipsISelLowering::EmitInstrWithCustomInserter if target does not have
// conditional move instructions.
// flag:int, data:float
let usesCustomInserter = 1, Constraints = "$F = $dst" in
class CondMovIntFP<RegisterClass RC, bits<5> fmt, bits<6> func,
string instr_asm> :
FFR<0x11, func, fmt, (outs RC:$dst), (ins RC:$T, CPURegs:$cond, RC:$F),
!strconcat(instr_asm, "\t$dst, $T, $cond"), []>;
def MOVZ_S : CondMovIntFP<FGR32, 16, 18, "movz.s">;
def MOVN_S : CondMovIntFP<FGR32, 16, 19, "movn.s">;
let Predicates = [NotFP64bit] in {
def MOVZ_D : CondMovIntFP<AFGR64, 17, 18, "movz.d">;
def MOVN_D : CondMovIntFP<AFGR64, 17, 19, "movn.d">;
}
defm : MovzPats<FGR32, MOVZ_S>;
defm : MovnPats<FGR32, MOVN_S>;
let Predicates = [NotFP64bit] in {
defm : MovzPats<AFGR64, MOVZ_D>;
defm : MovnPats<AFGR64, MOVN_D>;
}
let usesCustomInserter = 1, Uses = [FCR31], Constraints = "$F = $dst" in {
// flag:float, data:int
class CondMovFPInt<SDNode cmov, bits<1> tf, string instr_asm> :
FCMOV<tf, (outs CPURegs:$dst), (ins CPURegs:$T, CPURegs:$F),
!strconcat(instr_asm, "\t$dst, $T, $$fcc0"),
[(set CPURegs:$dst, (cmov CPURegs:$T, CPURegs:$F))]>;
// flag:float, data:float
class CondMovFPFP<RegisterClass RC, SDNode cmov, bits<5> fmt, bits<1> tf,
string instr_asm> :
FFCMOV<fmt, tf, (outs RC:$dst), (ins RC:$T, RC:$F),
!strconcat(instr_asm, "\t$dst, $T, $$fcc0"),
[(set RC:$dst, (cmov RC:$T, RC:$F))]>;
}
def MOVT : CondMovFPInt<MipsCMovFP_T, 1, "movt">;
def MOVF : CondMovFPInt<MipsCMovFP_F, 0, "movf">;
def MOVT_S : CondMovFPFP<FGR32, MipsCMovFP_T, 16, 1, "movt.s">;
def MOVF_S : CondMovFPFP<FGR32, MipsCMovFP_F, 16, 0, "movf.s">;
let Predicates = [NotFP64bit] in {
def MOVT_D : CondMovFPFP<AFGR64, MipsCMovFP_T, 17, 1, "movt.d">;
def MOVF_D : CondMovFPFP<AFGR64, MipsCMovFP_F, 17, 0, "movf.d">;
}
//===----------------------------------------------------------------------===//
// Floating Point Pseudo-Instructions
//===----------------------------------------------------------------------===//

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@ -205,14 +205,14 @@ class FCMOV<bits<1> _tf, dag outs, dag ins, string asmstr,
{
bits<5> rd;
bits<5> rs;
bits<3> N;
bits<3> cc;
bits<1> tf;
let opcode = 0;
let tf = _tf;
let Inst{25-21} = rs;
let Inst{20-18} = N;
let Inst{20-18} = cc;
let Inst{17} = 0;
let Inst{16} = tf;
let Inst{15-11} = rd;
@ -226,7 +226,7 @@ class FFCMOV<bits<5> _fmt, bits<1> _tf, dag outs, dag ins, string asmstr,
{
bits<5> fd;
bits<5> fs;
bits<3> N;
bits<3> cc;
bits<5> fmt;
bits<1> tf;
@ -235,7 +235,7 @@ class FFCMOV<bits<5> _fmt, bits<1> _tf, dag outs, dag ins, string asmstr,
let tf = _tf;
let Inst{25-21} = fmt;
let Inst{20-18} = N;
let Inst{20-18} = cc;
let Inst{17} = 0;
let Inst{16} = tf;
let Inst{15-11} = fs;

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@ -769,23 +769,6 @@ def CLO : CountLeading1<0x21, "clo", CPURegs>;
/// Byte Swap
def WSBW : ByteSwap<0x20, 0x2, "wsbw">;
// Conditional moves:
// These instructions are expanded in
// MipsISelLowering::EmitInstrWithCustomInserter if target does not have
// conditional move instructions.
// flag:int, data:int
class CondMovIntInt<bits<6> funct, string instr_asm> :
FR<0, funct, (outs CPURegs:$rd),
(ins CPURegs:$rs, CPURegs:$rt, CPURegs:$F),
!strconcat(instr_asm, "\t$rd, $rs, $rt"), [], NoItinerary> {
let shamt = 0;
let usesCustomInserter = 1;
let Constraints = "$F = $rd";
}
def MOVZ_I : CondMovIntInt<0x0a, "movz">;
def MOVN_I : CondMovIntInt<0x0b, "movn">;
/// No operation
let addr=0 in
def NOP : FJ<0, (outs), (ins), "nop", [], IIAlu>;
@ -948,38 +931,6 @@ def : Pat<(brcond RC:$cond, bb:$dst),
defm : BrcondPats<CPURegs, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
// select patterns
multiclass MovzPats<RegisterClass RC, Instruction MOVZInst> {
def : Pat<(select (i32 (setge CPURegs:$lhs, CPURegs:$rhs)), RC:$T, RC:$F),
(MOVZInst RC:$T, (SLT CPURegs:$lhs, CPURegs:$rhs), RC:$F)>;
def : Pat<(select (i32 (setuge CPURegs:$lhs, CPURegs:$rhs)), RC:$T, RC:$F),
(MOVZInst RC:$T, (SLTu CPURegs:$lhs, CPURegs:$rhs), RC:$F)>;
def : Pat<(select (i32 (setge CPURegs:$lhs, immSExt16:$rhs)), RC:$T, RC:$F),
(MOVZInst RC:$T, (SLTi CPURegs:$lhs, immSExt16:$rhs), RC:$F)>;
def : Pat<(select (i32 (setuge CPURegs:$lh, immSExt16:$rh)), RC:$T, RC:$F),
(MOVZInst RC:$T, (SLTiu CPURegs:$lh, immSExt16:$rh), RC:$F)>;
def : Pat<(select (i32 (setle CPURegs:$lhs, CPURegs:$rhs)), RC:$T, RC:$F),
(MOVZInst RC:$T, (SLT CPURegs:$rhs, CPURegs:$lhs), RC:$F)>;
def : Pat<(select (i32 (setule CPURegs:$lhs, CPURegs:$rhs)), RC:$T, RC:$F),
(MOVZInst RC:$T, (SLTu CPURegs:$rhs, CPURegs:$lhs), RC:$F)>;
def : Pat<(select (i32 (seteq CPURegs:$lhs, CPURegs:$rhs)), RC:$T, RC:$F),
(MOVZInst RC:$T, (XOR CPURegs:$lhs, CPURegs:$rhs), RC:$F)>;
def : Pat<(select (i32 (seteq CPURegs:$lhs, 0)), RC:$T, RC:$F),
(MOVZInst RC:$T, CPURegs:$lhs, RC:$F)>;
}
multiclass MovnPats<RegisterClass RC, Instruction MOVNInst> {
def : Pat<(select (i32 (setne CPURegs:$lhs, CPURegs:$rhs)), RC:$T, RC:$F),
(MOVNInst RC:$T, (XOR CPURegs:$lhs, CPURegs:$rhs), RC:$F)>;
def : Pat<(select CPURegs:$cond, RC:$T, RC:$F),
(MOVNInst RC:$T, CPURegs:$cond, RC:$F)>;
def : Pat<(select (i32 (setne CPURegs:$lhs, 0)), RC:$T, RC:$F),
(MOVNInst RC:$T, CPURegs:$lhs, RC:$F)>;
}
defm : MovzPats<CPURegs, MOVZ_I>;
defm : MovnPats<CPURegs, MOVN_I>;
// setcc patterns
multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
Instruction SLTuOp, Register ZEROReg> {
@ -1032,5 +983,6 @@ def : Pat<(MipsDynAlloc addr:$f), (DynAlloc addr:$f)>;
//===----------------------------------------------------------------------===//
include "MipsInstrFPU.td"
include "MipsCondMov.td"
include "Mips64InstrInfo.td"