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Merge pull request #2606 from Sonicadvance1/aarch64_optimize_psq_st 

[AArch64] Optimize paired quantized stores.
This commit is contained in:
Ryan Houdek 2015-06-14 19:03:50 -05:00
parent 73d213142f 5ea66369f8
commit 87b45de634
3 changed files with 38 additions and 75 deletions
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23
Source/Core/Common/Arm64Emitter.cpp
View File

@ -3131,10 +3131,29 @@ void ARM64FloatEmitter::UCVTF(u8 size, ARM64Reg Rd, ARM64Reg Rn, int scale)
int imm = size * 2 - scale;
EmitShiftImm(IsQuad(Rd), 1, imm >> 3, imm & 7, 0x1C, Rd, Rn);
}
void ARM64FloatEmitter::SQXTN(u8 dest_size, ARM64Reg Rd, ARM64Reg Rn)
{
Emit2RegMisc(false, 0, dest_size >> 4, 0b10100, Rd, Rn);
}
void ARM64FloatEmitter::SQXTN2(u8 dest_size, ARM64Reg Rd, ARM64Reg Rn)
{
Emit2RegMisc(true, 0, dest_size >> 4, 0b10100, Rd, Rn);
}
void ARM64FloatEmitter::UQXTN(u8 dest_size, ARM64Reg Rd, ARM64Reg Rn)
{
Emit2RegMisc(false, 1, dest_size >> 4, 0b10100, Rd, Rn);
}
void ARM64FloatEmitter::UQXTN2(u8 dest_size, ARM64Reg Rd, ARM64Reg Rn)
{
Emit2RegMisc(true, 1, dest_size >> 4, 0b10100, Rd, Rn);
}
void ARM64FloatEmitter::XTN(u8 dest_size, ARM64Reg Rd, ARM64Reg Rn)
{
Emit2RegMisc(IsQuad(Rd), 0, dest_size >> 4, 0x12, Rd, Rn);
Emit2RegMisc(false, 0, dest_size >> 4, 0b10010, Rd, Rn);
}
void ARM64FloatEmitter::XTN2(u8 dest_size, ARM64Reg Rd, ARM64Reg Rn)
{
Emit2RegMisc(true, 0, dest_size >> 4, 0b10010, Rd, Rn);
}
// Move

5
Source/Core/Common/Arm64Emitter.h
View File

@ -829,7 +829,12 @@ public:
void UCVTF(u8 size, ARM64Reg Rd, ARM64Reg Rn);
void SCVTF(u8 size, ARM64Reg Rd, ARM64Reg Rn, int scale);
void UCVTF(u8 size, ARM64Reg Rd, ARM64Reg Rn, int scale);
void SQXTN(u8 dest_size, ARM64Reg Rd, ARM64Reg Rn);
void SQXTN2(u8 dest_size, ARM64Reg Rd, ARM64Reg Rn);
void UQXTN(u8 dest_size, ARM64Reg Rd, ARM64Reg Rn);
void UQXTN2(u8 dest_size, ARM64Reg Rd, ARM64Reg Rn);
void XTN(u8 dest_size, ARM64Reg Rd, ARM64Reg Rn);
void XTN2(u8 dest_size, ARM64Reg Rd, ARM64Reg Rn);
// Move
void DUP(u8 size, ARM64Reg Rd, ARM64Reg Rn);

85
Source/Core/Core/PowerPC/JitArm64/JitAsm.cpp
View File

@ -99,14 +99,6 @@ void JitArm64AsmRoutineManager::Generate()
FlushIcache();
}
static float s_quantize_ranges[] =
{
0.0f, 255.0f, // U8
-128.0, 127.0f, // S8
0.0f, 65535.0f, // U16
-32768.0f, 32767.0f, // S16
};
void JitArm64AsmRoutineManager::GenerateCommon()
{
// X0 is the scale
@ -300,15 +292,9 @@ void JitArm64AsmRoutineManager::GenerateCommon()
float_emit.LDR(32, INDEX_UNSIGNED, D1, scale_reg, 0);
float_emit.FMUL(32, D0, D0, D1, 0);
// Have to clamp the result
MOVI2R(X2, (u64)&s_quantize_ranges[0]);
float_emit.LD2R(32, D1, X2);
float_emit.FMIN(32, D0, D0, D2);
float_emit.FMAX(32, D0, D0, D1);
float_emit.FCVTZU(32, D0, D0);
float_emit.XTN(16, D0, D0);
float_emit.XTN(8, D0, D0);
float_emit.UQXTN(16, D0, D0);
float_emit.UQXTN(8, D0, D0);
};
storePairedU8 = GetCodePtr();
@ -334,15 +320,9 @@ void JitArm64AsmRoutineManager::GenerateCommon()
float_emit.LDR(32, INDEX_UNSIGNED, D1, scale_reg, 0);
float_emit.FMUL(32, D0, D0, D1, 0);
// Have to clamp the result
MOVI2R(X2, (u64)&s_quantize_ranges[1]);
float_emit.LD2R(32, D1, X2);
float_emit.FMIN(32, D0, D0, D2);
float_emit.FMAX(32, D0, D0, D1);
float_emit.FCVTZS(32, D0, D0);
float_emit.XTN(16, D0, D0);
float_emit.XTN(8, D0, D0);
float_emit.SQXTN(16, D0, D0);
float_emit.SQXTN(8, D0, D0);
};
storePairedS8 = GetCodePtr();
@ -369,14 +349,8 @@ void JitArm64AsmRoutineManager::GenerateCommon()
float_emit.LDR(32, INDEX_UNSIGNED, D1, scale_reg, 0);
float_emit.FMUL(32, D0, D0, D1, 0);
// Have to clamp the result
MOVI2R(X2, (u64)&s_quantize_ranges[2]);
float_emit.LD2R(32, D1, X2);
float_emit.FMIN(32, D0, D0, D2);
float_emit.FMAX(32, D0, D0, D1);
float_emit.FCVTZU(32, D0, D0);
float_emit.XTN(16, D0, D0);
float_emit.UQXTN(16, D0, D0);
float_emit.REV16(8, D0, D0);
};
@ -403,15 +377,8 @@ void JitArm64AsmRoutineManager::GenerateCommon()
float_emit.LDR(32, INDEX_UNSIGNED, D1, scale_reg, 0);
float_emit.FMUL(32, D0, D0, D1, 0);
// Have to clamp the result
MOVI2R(X2, (u64)&s_quantize_ranges[3]);
float_emit.LD2R(32, D1, X2);
float_emit.FMIN(32, D0, D0, D2);
float_emit.FMAX(32, D0, D0, D1);
float_emit.FCVTZS(32, D0, D0);
float_emit.XTN(16, D0, D0);
float_emit.SQXTN(16, D0, D0);
float_emit.REV16(8, D0, D0);
};
@ -453,16 +420,9 @@ void JitArm64AsmRoutineManager::GenerateCommon()
float_emit.LDR(32, INDEX_UNSIGNED, D1, scale_reg, 0);
float_emit.FMUL(32, D0, D0, D1);
// Have to clamp the result
MOVI2R(X2, (u64)&s_quantize_ranges[0]);
float_emit.LDR(32, INDEX_UNSIGNED, S1, X2, 0);
float_emit.LDR(32, INDEX_UNSIGNED, S2, X2, 4);
float_emit.FMIN(S0, S0, S2);
float_emit.FMAX(S0, S0, S1);
float_emit.FCVTZU(32, D0, D0);
float_emit.XTN(16, D0, D0);
float_emit.XTN(8, D0, D0);
float_emit.UQXTN(16, D0, D0);
float_emit.UQXTN(8, D0, D0);
};
storeSingleU8 = GetCodePtr();
@ -487,16 +447,9 @@ void JitArm64AsmRoutineManager::GenerateCommon()
float_emit.LDR(32, INDEX_UNSIGNED, D1, scale_reg, 0);
float_emit.FMUL(32, D0, D0, D1);
// Have to clamp the result
MOVI2R(X2, (u64)&s_quantize_ranges[1]);
float_emit.LDR(32, INDEX_UNSIGNED, S1, X2, 0);
float_emit.LDR(32, INDEX_UNSIGNED, S2, X2, 4);
float_emit.FMIN(S0, S0, S2);
float_emit.FMAX(S0, S0, S1);
float_emit.FCVTZS(32, D0, D0);
float_emit.XTN(16, D0, D0);
float_emit.XTN(8, D0, D0);
float_emit.SQXTN(16, D0, D0);
float_emit.SQXTN(8, D0, D0);
};
storeSingleS8 = GetCodePtr();
@ -521,15 +474,8 @@ void JitArm64AsmRoutineManager::GenerateCommon()
float_emit.LDR(32, INDEX_UNSIGNED, D1, scale_reg, 0);
float_emit.FMUL(32, D0, D0, D1);
// Have to clamp the result
MOVI2R(X2, (u64)&s_quantize_ranges[2]);
float_emit.LDR(32, INDEX_UNSIGNED, S1, X2, 0);
float_emit.LDR(32, INDEX_UNSIGNED, S2, X2, 4);
float_emit.FMIN(S0, S0, S2);
float_emit.FMAX(S0, S0, S1);
float_emit.FCVTZU(32, D0, D0);
float_emit.XTN(16, D0, D0);
float_emit.UQXTN(16, D0, D0);
};
storeSingleU16 = GetCodePtr();
@ -555,15 +501,8 @@ void JitArm64AsmRoutineManager::GenerateCommon()
float_emit.LDR(32, INDEX_UNSIGNED, D1, scale_reg, 0);
float_emit.FMUL(32, D0, D0, D1);
// Have to clamp the result
MOVI2R(X2, (u64)&s_quantize_ranges[3]);
float_emit.LDR(32, INDEX_UNSIGNED, S1, X2, 0);
float_emit.LDR(32, INDEX_UNSIGNED, S2, X2, 4);
float_emit.FMIN(S0, S0, S2);
float_emit.FMAX(S0, S0, S1);
float_emit.FCVTZS(32, D0, D0);
float_emit.XTN(16, D0, D0);
float_emit.SQXTN(16, D0, D0);
};
storeSingleS16 = GetCodePtr();