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JitArm64: Stop using hand-encoded logical immediates

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This commit is contained in:
JosJuice
2021-07-12 12:05:34 +02:00
parent 88fd9fd577
commit 8af5095ff4
8 changed files with 40 additions and 64 deletions
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37
Source/Core/Common/Arm64Emitter.cpp
View File

@ -560,23 +560,18 @@ void ARM64XEmitter::EncodeAddSubImmInst(u32 op, bool flags, u32 shift, u32 imm,
(DecodeReg(Rn) << 5) | DecodeReg(Rd));
}
void ARM64XEmitter::EncodeLogicalImmInst(u32 op, ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms,
int n)
void ARM64XEmitter::EncodeLogicalImmInst(u32 op, ARM64Reg Rd, ARM64Reg Rn, LogicalImm imm)
{
ASSERT_MSG(DYNAREC, imm.valid, "Invalid logical immediate");
// Sometimes Rd is fixed to SP, but can still be 32bit or 64bit.
// Use Rn to determine bitness here.
bool b64Bit = Is64Bit(Rn);
ASSERT_MSG(DYNAREC, b64Bit || !n, "64-bit logical immediate does not fit in 32-bit register");
ASSERT_MSG(DYNAREC, b64Bit || !imm.n, "64-bit logical immediate does not fit in 32-bit register");
Write32((b64Bit << 31) | (op << 29) | (0x24 << 23) | (n << 22) | (immr << 16) | (imms << 10) |
(DecodeReg(Rn) << 5) | DecodeReg(Rd));
}
void ARM64XEmitter::EncodeLogicalImmInst(u32 op, ARM64Reg Rd, ARM64Reg Rn, LogicalImm imm)
{
ASSERT_MSG(DYNAREC, imm.valid, "Invalid logical immediate");
EncodeLogicalImmInst(op, Rd, Rn, imm.r, imm.s, imm.n);
Write32((b64Bit << 31) | (op << 29) | (0x24 << 23) | (imm.n << 22) | (imm.r << 16) |
(imm.s << 10) | (DecodeReg(Rn) << 5) | DecodeReg(Rd));
}
void ARM64XEmitter::EncodeLoadStorePair(u32 op, u32 load, IndexType type, ARM64Reg Rt, ARM64Reg Rt2,
@ -1336,42 +1331,22 @@ void ARM64XEmitter::ROR(ARM64Reg Rd, ARM64Reg Rm, int shift)
}
// Logical (immediate)
void ARM64XEmitter::AND(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms, bool invert)
{
EncodeLogicalImmInst(0, Rd, Rn, immr, imms, invert);
}
void ARM64XEmitter::AND(ARM64Reg Rd, ARM64Reg Rn, LogicalImm imm)
{
EncodeLogicalImmInst(0, Rd, Rn, imm);
}
void ARM64XEmitter::ANDS(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms, bool invert)
{
EncodeLogicalImmInst(3, Rd, Rn, immr, imms, invert);
}
void ARM64XEmitter::ANDS(ARM64Reg Rd, ARM64Reg Rn, LogicalImm imm)
{
EncodeLogicalImmInst(3, Rd, Rn, imm);
}
void ARM64XEmitter::EOR(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms, bool invert)
{
EncodeLogicalImmInst(2, Rd, Rn, immr, imms, invert);
}
void ARM64XEmitter::EOR(ARM64Reg Rd, ARM64Reg Rn, LogicalImm imm)
{
EncodeLogicalImmInst(2, Rd, Rn, imm);
}
void ARM64XEmitter::ORR(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms, bool invert)
{
EncodeLogicalImmInst(1, Rd, Rn, immr, imms, invert);
}
void ARM64XEmitter::ORR(ARM64Reg Rd, ARM64Reg Rn, LogicalImm imm)
{
EncodeLogicalImmInst(1, Rd, Rn, imm);
}
void ARM64XEmitter::TST(ARM64Reg Rn, u32 immr, u32 imms, bool invert)
{
EncodeLogicalImmInst(3, Is64Bit(Rn) ? ARM64Reg::ZR : ARM64Reg::WZR, Rn, immr, imms, invert);
}
void ARM64XEmitter::TST(ARM64Reg Rn, LogicalImm imm)
{
EncodeLogicalImmInst(3, Is64Bit(Rn) ? ARM64Reg::ZR : ARM64Reg::WZR, Rn, imm);

6
Source/Core/Common/Arm64Emitter.h
View File

@ -754,7 +754,6 @@ private:
void EncodeBitfieldMOVInst(u32 op, ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms);
void EncodeLoadStoreRegisterOffset(u32 size, u32 opc, ARM64Reg Rt, ARM64Reg Rn, ArithOption Rm);
void EncodeAddSubImmInst(u32 op, bool flags, u32 shift, u32 imm, ARM64Reg Rn, ARM64Reg Rd);
void EncodeLogicalImmInst(u32 op, ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms, int n);
void EncodeLogicalImmInst(u32 op, ARM64Reg Rd, ARM64Reg Rn, LogicalImm imm);
void EncodeLoadStorePair(u32 op, u32 load, IndexType type, ARM64Reg Rt, ARM64Reg Rt2, ARM64Reg Rn,
s32 imm);
@ -996,15 +995,10 @@ public:
void ROR(ARM64Reg Rd, ARM64Reg Rm, int shift);
// Logical (immediate)
void AND(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms, bool invert = false);
void AND(ARM64Reg Rd, ARM64Reg Rn, LogicalImm imm);
void ANDS(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms, bool invert = false);
void ANDS(ARM64Reg Rd, ARM64Reg Rn, LogicalImm imm);
void EOR(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms, bool invert = false);
void EOR(ARM64Reg Rd, ARM64Reg Rn, LogicalImm imm);
void ORR(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms, bool invert = false);
void ORR(ARM64Reg Rd, ARM64Reg Rn, LogicalImm imm);
void TST(ARM64Reg Rn, u32 immr, u32 imms, bool invert = false);
void TST(ARM64Reg Rn, LogicalImm imm);
// Add/subtract (immediate)
void ADD(ARM64Reg Rd, ARM64Reg Rn, u32 imm, bool shift = false);