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Merge pull request #9695 from JosJuice/jitarm64-fres

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JitArm64: Implement fres and frsqrte
This commit is contained in:
Mai M
2021-05-20 10:23:49 -04:00
committed by GitHub
parent 539c2cb00e e5f2dcd891
commit 6958df5967
12 changed files with 474 additions and 40 deletions
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15
Source/Core/Common/Arm64Emitter.cpp
View File

@ -2310,6 +2310,12 @@ void ARM64FloatEmitter::EmitCopy(bool Q, u32 op, u32 imm5, u32 imm4, ARM64Reg Rd
(DecodeReg(Rn) << 5) | DecodeReg(Rd));
}
void ARM64FloatEmitter::EmitScalar2RegMisc(bool U, u32 size, u32 opcode, ARM64Reg Rd, ARM64Reg Rn)
{
Write32((1 << 30) | (U << 29) | (0b11110001 << 21) | (size << 22) | (opcode << 12) | (1 << 11) |
(DecodeReg(Rn) << 5) | DecodeReg(Rd));
}
void ARM64FloatEmitter::Emit2RegMisc(bool Q, bool U, u32 size, u32 opcode, ARM64Reg Rd, ARM64Reg Rn)
{
ASSERT_MSG(DYNA_REC, !IsSingle(Rd), "%s doesn't support singles!", __func__);
@ -3102,6 +3108,15 @@ void ARM64FloatEmitter::FSQRT(ARM64Reg Rd, ARM64Reg Rn)
EmitScalar1Source(0, 0, IsDouble(Rd), 3, Rd, Rn);
}
void ARM64FloatEmitter::FRECPE(ARM64Reg Rd, ARM64Reg Rn)
{
EmitScalar2RegMisc(0, 2 | IsDouble(Rd), 0x1D, Rd, Rn);
}
void ARM64FloatEmitter::FRSQRTE(ARM64Reg Rd, ARM64Reg Rn)
{
EmitScalar2RegMisc(1, 2 | IsDouble(Rd), 0x1D, Rd, Rn);
}
// Scalar - 2 Source
void ARM64FloatEmitter::FADD(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm)
{

3
Source/Core/Common/Arm64Emitter.h
View File

@ -996,6 +996,8 @@ public:
void FNEG(ARM64Reg Rd, ARM64Reg Rn);
void FSQRT(ARM64Reg Rd, ARM64Reg Rn);
void FMOV(ARM64Reg Rd, ARM64Reg Rn, bool top = false); // Also generalized move between GPR/FP
void FRECPE(ARM64Reg Rd, ARM64Reg Rn);
void FRSQRTE(ARM64Reg Rd, ARM64Reg Rn);
// Scalar - 2 Source
void FADD(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm);
@ -1145,6 +1147,7 @@ private:
ARM64Reg Rm);
void EmitThreeSame(bool U, u32 size, u32 opcode, ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm);
void EmitCopy(bool Q, u32 op, u32 imm5, u32 imm4, ARM64Reg Rd, ARM64Reg Rn);
void EmitScalar2RegMisc(bool U, u32 size, u32 opcode, ARM64Reg Rd, ARM64Reg Rn);
void Emit2RegMisc(bool Q, bool U, u32 size, u32 opcode, ARM64Reg Rd, ARM64Reg Rn);
void EmitLoadStoreSingleStructure(bool L, bool R, u32 opcode, bool S, u32 size, ARM64Reg Rt,
ARM64Reg Rn);