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[JIT] New opcodes: OPCODE_LOAD_OFFSET and OPCODE_STORE_OFFSET

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These take full advantage of x86 addressing, and eliminate extra add operations.
This commit is contained in:
DrChat
2018-02-14 16:26:49 -06:00
parent 1de598e4ce
commit e54c24e150
8 changed files with 352 additions and 35 deletions
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147
src/xenia/cpu/ppc/ppc_emit_memory.cc
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@@ -63,8 +63,15 @@ int InstrEmit_lbz(PPCHIRBuilder& f, const InstrData& i) {
// b <- (RA)
// EA <- b + EXTS(D)
// RT <- i56.0 || MEM(EA, 1)
Value* ea = CalculateEA_0_i(f, i.D.RA, XEEXTS16(i.D.DS));
Value* rt = f.ZeroExtend(f.Load(ea, INT8_TYPE), INT64_TYPE);
Value* b;
if (i.D.RA == 0) {
b = f.LoadZeroInt64();
} else {
b = f.LoadGPR(i.D.RA);
}
Value* offset = f.LoadConstantInt64(XEEXTS16(i.D.DS));
Value* rt = f.ZeroExtend(f.LoadOffset(b, offset, INT8_TYPE), INT64_TYPE);
f.StoreGPR(i.D.RT, rt);
return 0;
}
@@ -73,10 +80,11 @@ int InstrEmit_lbzu(PPCHIRBuilder& f, const InstrData& i) {
// EA <- (RA) + EXTS(D)
// RT <- i56.0 || MEM(EA, 1)
// RA <- EA
Value* ea = CalculateEA_i(f, i.D.RA, XEEXTS16(i.D.DS));
Value* rt = f.ZeroExtend(f.Load(ea, INT8_TYPE), INT64_TYPE);
Value* ra = f.LoadGPR(i.D.RA);
Value* offset = f.LoadConstantInt64(XEEXTS16(i.D.DS));
Value* rt = f.ZeroExtend(f.LoadOffset(ra, offset, INT8_TYPE), INT64_TYPE);
f.StoreGPR(i.D.RT, rt);
StoreEA(f, i.D.RA, ea);
StoreEA(f, i.D.RA, f.Add(ra, offset));
return 0;
}
@@ -111,8 +119,16 @@ int InstrEmit_lha(PPCHIRBuilder& f, const InstrData& i) {
// b <- (RA)
// EA <- b + EXTS(D)
// RT <- EXTS(MEM(EA, 2))
Value* ea = CalculateEA_0_i(f, i.D.RA, XEEXTS16(i.D.DS));
Value* rt = f.SignExtend(f.ByteSwap(f.Load(ea, INT16_TYPE)), INT64_TYPE);
Value* b;
if (i.D.RA == 0) {
b = f.LoadZeroInt64();
} else {
b = f.LoadGPR(i.D.RA);
}
Value* offset = f.LoadConstantInt64(XEEXTS16(i.D.DS));
Value* rt =
f.SignExtend(f.ByteSwap(f.LoadOffset(b, offset, INT16_TYPE)), INT64_TYPE);
f.StoreGPR(i.D.RT, rt);
return 0;
}
@@ -121,10 +137,12 @@ int InstrEmit_lhau(PPCHIRBuilder& f, const InstrData& i) {
// EA <- (RA) + EXTS(D)
// RT <- EXTS(MEM(EA, 2))
// RA <- EA
Value* ea = CalculateEA_i(f, i.D.RA, XEEXTS16(i.D.DS));
Value* rt = f.SignExtend(f.ByteSwap(f.Load(ea, INT16_TYPE)), INT64_TYPE);
Value* ra = f.LoadGPR(i.D.RA);
Value* offset = f.LoadConstantInt64(XEEXTS16(i.D.DS));
Value* rt = f.SignExtend(f.ByteSwap(f.LoadOffset(ra, offset, INT16_TYPE)),
INT64_TYPE);
f.StoreGPR(i.D.RT, rt);
StoreEA(f, i.D.RA, ea);
StoreEA(f, i.D.RA, f.Add(ra, offset));
return 0;
}
@@ -159,8 +177,16 @@ int InstrEmit_lhz(PPCHIRBuilder& f, const InstrData& i) {
// b <- (RA)
// EA <- b + EXTS(D)
// RT <- i48.0 || MEM(EA, 2)
Value* ea = CalculateEA_0_i(f, i.D.RA, XEEXTS16(i.D.DS));
Value* rt = f.ZeroExtend(f.ByteSwap(f.Load(ea, INT16_TYPE)), INT64_TYPE);
Value* b;
if (i.D.RA == 0) {
b = f.LoadZeroInt64();
} else {
b = f.LoadGPR(i.D.RA);
}
Value* offset = f.LoadConstantInt64(XEEXTS16(i.D.DS));
Value* rt =
f.ZeroExtend(f.ByteSwap(f.LoadOffset(b, offset, INT16_TYPE)), INT64_TYPE);
f.StoreGPR(i.D.RT, rt);
return 0;
}
@@ -169,10 +195,12 @@ int InstrEmit_lhzu(PPCHIRBuilder& f, const InstrData& i) {
// EA <- (RA) + EXTS(D)
// RT <- i48.0 || MEM(EA, 2)
// RA <- EA
Value* ea = CalculateEA_i(f, i.D.RA, XEEXTS16(i.D.DS));
Value* rt = f.ZeroExtend(f.ByteSwap(f.Load(ea, INT16_TYPE)), INT64_TYPE);
Value* ra = f.LoadGPR(i.D.RA);
Value* offset = f.LoadConstantInt64(XEEXTS16(i.D.DS));
Value* rt = f.ZeroExtend(f.ByteSwap(f.LoadOffset(ra, offset, INT16_TYPE)),
INT64_TYPE);
f.StoreGPR(i.D.RT, rt);
StoreEA(f, i.D.RA, ea);
StoreEA(f, i.D.RA, f.Add(ra, offset));
return 0;
}
@@ -207,8 +235,16 @@ int InstrEmit_lwa(PPCHIRBuilder& f, const InstrData& i) {
// b <- (RA)
// EA <- b + EXTS(D || 00)
// RT <- EXTS(MEM(EA, 4))
Value* ea = CalculateEA_0_i(f, i.DS.RA, XEEXTS16(i.DS.DS << 2));
Value* rt = f.SignExtend(f.ByteSwap(f.Load(ea, INT32_TYPE)), INT64_TYPE);
Value* b;
if (i.DS.RA == 0) {
b = f.LoadZeroInt64();
} else {
b = f.LoadGPR(i.DS.RA);
}
Value* offset = f.LoadConstantInt64(XEEXTS16(i.DS.DS << 2));
Value* rt =
f.SignExtend(f.ByteSwap(f.LoadOffset(b, offset, INT32_TYPE)), INT64_TYPE);
f.StoreGPR(i.DS.RT, rt);
return 0;
}
@@ -244,8 +280,16 @@ int InstrEmit_lwz(PPCHIRBuilder& f, const InstrData& i) {
// b <- (RA)
// EA <- b + EXTS(D)
// RT <- i32.0 || MEM(EA, 4)
Value* ea = CalculateEA_0_i(f, i.D.RA, XEEXTS16(i.D.DS));
Value* rt = f.ZeroExtend(f.ByteSwap(f.Load(ea, INT32_TYPE)), INT64_TYPE);
Value* b;
if (i.D.RA == 0) {
b = f.LoadZeroInt64();
} else {
b = f.LoadGPR(i.D.RA);
}
Value* offset = f.LoadConstantInt64(XEEXTS16(i.D.DS));
Value* rt =
f.ZeroExtend(f.ByteSwap(f.LoadOffset(b, offset, INT32_TYPE)), INT64_TYPE);
f.StoreGPR(i.D.RT, rt);
return 0;
}
@@ -254,10 +298,12 @@ int InstrEmit_lwzu(PPCHIRBuilder& f, const InstrData& i) {
// EA <- (RA) + EXTS(D)
// RT <- i32.0 || MEM(EA, 4)
// RA <- EA
Value* ea = CalculateEA_i(f, i.D.RA, XEEXTS16(i.D.DS));
Value* rt = f.ZeroExtend(f.ByteSwap(f.Load(ea, INT32_TYPE)), INT64_TYPE);
Value* ra = f.LoadGPR(i.D.RA);
Value* offset = f.LoadConstantInt64(XEEXTS16(i.D.DS));
Value* rt = f.ZeroExtend(f.ByteSwap(f.LoadOffset(ra, offset, INT32_TYPE)),
INT64_TYPE);
f.StoreGPR(i.D.RT, rt);
StoreEA(f, i.D.RA, ea);
StoreEA(f, i.D.RA, f.Add(ra, offset));
return 0;
}
@@ -292,8 +338,15 @@ int InstrEmit_ld(PPCHIRBuilder& f, const InstrData& i) {
// b <- (RA)
// EA <- b + EXTS(DS || 0b00)
// RT <- MEM(EA, 8)
Value* ea = CalculateEA_0_i(f, i.DS.RA, XEEXTS16(i.DS.DS << 2));
Value* rt = f.ByteSwap(f.Load(ea, INT64_TYPE));
Value* b;
if (i.DS.RA == 0) {
b = f.LoadZeroInt64();
} else {
b = f.LoadGPR(i.DS.RA);
}
Value* offset = f.LoadConstantInt64(XEEXTS16(i.DS.DS << 2));
Value* rt = f.ByteSwap(f.LoadOffset(b, offset, INT64_TYPE));
f.StoreGPR(i.DS.RT, rt);
return 0;
}
@@ -342,8 +395,15 @@ int InstrEmit_stb(PPCHIRBuilder& f, const InstrData& i) {
// b <- (RA)
// EA <- b + EXTS(D)
// MEM(EA, 1) <- (RS)[56:63]
Value* ea = CalculateEA_0_i(f, i.D.RA, XEEXTS16(i.D.DS));
f.Store(ea, f.Truncate(f.LoadGPR(i.D.RT), INT8_TYPE));
Value* b;
if (i.D.RA == 0) {
b = f.LoadZeroInt64();
} else {
b = f.LoadGPR(i.D.RA);
}
Value* offset = f.LoadConstantInt64(XEEXTS16(i.D.DS));
f.StoreOffset(b, offset, f.Truncate(f.LoadGPR(i.D.RT), INT8_TYPE));
return 0;
}
@@ -386,8 +446,16 @@ int InstrEmit_sth(PPCHIRBuilder& f, const InstrData& i) {
// b <- (RA)
// EA <- b + EXTS(D)
// MEM(EA, 2) <- (RS)[48:63]
Value* ea = CalculateEA_0_i(f, i.D.RA, XEEXTS16(i.D.DS));
f.Store(ea, f.ByteSwap(f.Truncate(f.LoadGPR(i.D.RT), INT16_TYPE)));
Value* b;
if (i.D.RA == 0) {
b = f.LoadZeroInt64();
} else {
b = f.LoadGPR(i.D.RA);
}
Value* offset = f.LoadConstantInt64(XEEXTS16(i.D.DS));
f.StoreOffset(b, offset,
f.ByteSwap(f.Truncate(f.LoadGPR(i.D.RT), INT16_TYPE)));
return 0;
}
@@ -430,8 +498,16 @@ int InstrEmit_stw(PPCHIRBuilder& f, const InstrData& i) {
// b <- (RA)
// EA <- b + EXTS(D)
// MEM(EA, 4) <- (RS)[32:63]
Value* ea = CalculateEA_0_i(f, i.D.RA, XEEXTS16(i.D.DS));
f.Store(ea, f.ByteSwap(f.Truncate(f.LoadGPR(i.D.RT), INT32_TYPE)));
Value* b;
if (i.D.RA == 0) {
b = f.LoadZeroInt64();
} else {
b = f.LoadGPR(i.D.RA);
}
Value* offset = f.LoadConstantInt64(XEEXTS16(i.D.DS));
f.StoreOffset(b, offset,
f.ByteSwap(f.Truncate(f.LoadGPR(i.D.RT), INT32_TYPE)));
return 0;
}
@@ -474,8 +550,15 @@ int InstrEmit_std(PPCHIRBuilder& f, const InstrData& i) {
// b <- (RA)
// EA <- b + EXTS(DS || 0b00)
// MEM(EA, 8) <- (RS)
Value* ea = CalculateEA_0_i(f, i.DS.RA, XEEXTS16(i.DS.DS << 2));
f.Store(ea, f.ByteSwap(f.LoadGPR(i.DS.RT)));
Value* b;
if (i.DS.RA == 0) {
b = f.LoadZeroInt64();
} else {
b = f.LoadGPR(i.DS.RA);
}
Value* offset = f.LoadConstantInt64(XEEXTS16(i.DS.DS << 2));
f.StoreOffset(b, offset, f.ByteSwap(f.LoadGPR(i.DS.RT)));
return 0;
}