ShuriZma
/
dolphin
mirror of https://github.com/dolphin-emu/dolphin.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

More JIT functions. Specifically, implementations of lfd and stfd for 

those of us on 32-bit without SSSE3, and an implementation of stfsx 
(32-bit only at the moment, but should be easy to fix up for 64-bit).



git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@1576 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
magumagu9 2008-12-18 07:10:10 +00:00
parent b3389c593f
commit b43725d35f
1 changed files with 53 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

75
Source/Core/Core/Src/PowerPC/Jit64/Jit_LoadStoreFloating.cpp
View File

@ -40,12 +40,6 @@
// #define INSTRUCTION_START Default(inst); return;
#define INSTRUCTION_START
#ifdef _M_IX86
#define DISABLE_32BIT Default(inst); return;
#else
#define DISABLE_32BIT ;
#endif
namespace Jit64
{
@ -109,9 +103,6 @@ void lfd(UGeckoInstruction inst)
{Default(inst); return;} // turn off from debugger
#endif
INSTRUCTION_START;
if (!cpu_info.bSSSE3) {
DISABLE_32BIT;
}
int d = inst.RD;
int a = inst.RA;
if (!a)
@ -126,27 +117,46 @@ void lfd(UGeckoInstruction inst)
// TODO - optimize. This has to load the previous value - upper double should stay unmodified.
fpr.LoadToX64(d, true);
fpr.Lock(d);
X64Reg xd = fpr.RX(d);
if (cpu_info.bSSSE3) {
X64Reg xd = fpr.RX(d);
#ifdef _M_X64
MOVQ_xmm(XMM0, MComplex(RBX, ABI_PARAM1, SCALE_1, offset));
#else
MOV(32, R(EAX), R(ABI_PARAM1));
AND(32, R(EAX), Imm32(Memory::MEMVIEW32_MASK));
MOVQ_xmm(XMM0, MDisp(EAX, (u32)Memory::base + offset));
AND(32, R(ABI_PARAM1), Imm32(Memory::MEMVIEW32_MASK));
MOVQ_xmm(XMM0, MDisp(ABI_PARAM1, (u32)Memory::base + offset));
#endif
PSHUFB(XMM0, M((void *)bswapShuffle1x8Dupe));
MOVSD(xd, R(XMM0));
} else {
#ifndef _M_X64
PanicAlert("lfd - wtf");
#endif
X64Reg xd = fpr.RX(d);
#ifdef _M_X64
MOV(64, R(EAX), MComplex(RBX, ABI_PARAM1, SCALE_1, offset));
BSWAP(64, EAX);
MOV(64, M(&temp64), R(EAX));
MOVSD(XMM0, M(&temp64));
MOVSD(xd, R(XMM0));
#else
AND(32, R(ABI_PARAM1), Imm32(Memory::MEMVIEW32_MASK));
MOV(32, R(EAX), MDisp(ABI_PARAM1, (u32)Memory::base + offset));
BSWAP(32, EAX);
MOV(32, M((void*)((u32)&temp64+4)), R(EAX));
MOV(32, R(EAX), MDisp(ABI_PARAM1, (u32)Memory::base + offset + 4));
BSWAP(32, EAX);
MOV(32, M(&temp64), R(EAX));
MOVSD(XMM0, M(&temp64));
MOVSD(xd, R(XMM0));
#if 0
// Alternate implementation; possibly faster
AND(32, R(ABI_PARAM1), Imm32(Memory::MEMVIEW32_MASK));
MOVQ_xmm(XMM0, MDisp(ABI_PARAM1, (u32)Memory::base + offset));
PSHUFLW(XMM0, R(XMM0), 0x1B);
PSRLW(XMM0, 8);
MOVSD(xd, R(XMM0));
MOVQ_xmm(XMM0, MDisp(ABI_PARAM1, (u32)Memory::base + offset));
PSHUFLW(XMM0, R(XMM0), 0x1B);
PSLLW(XMM0, 8);
POR(xd, R(XMM0));
#endif
#endif
}
gpr.UnlockAll();
gpr.UnlockAllX();
@ -161,10 +171,6 @@ void stfd(UGeckoInstruction inst)
{Default(inst); return;} // turn off from debugger
#endif
INSTRUCTION_START;
if (!cpu_info.bSSSE3)
{
DISABLE_32BIT;
}
int s = inst.RS;
int a = inst.RA;
if (!a)
@ -189,11 +195,22 @@ void stfd(UGeckoInstruction inst)
MOVQ_xmm(MDisp(ABI_PARAM1, (u32)Memory::base + offset), XMM0);
#endif
} else {
#ifdef _M_X64
fpr.LoadToX64(s, true, false);
MOVSD(M(&temp64), fpr.RX(s));
MOV(64, R(EAX), M(&temp64));
BSWAP(64, EAX);
MOV(64, MComplex(RBX, ABI_PARAM1, SCALE_1, offset), R(EAX));
#else
fpr.LoadToX64(s, true, false);
MOVSD(M(&temp64), fpr.RX(s));
MOV(32, R(EAX), M(&temp64));
BSWAP(32, EAX);
MOV(32, MDisp(ABI_PARAM1, (u32)Memory::base + offset + 4), R(EAX));
MOV(32, R(EAX), M((void*)((u32)&temp64 + 4)));
BSWAP(32, EAX);
MOV(32, MDisp(ABI_PARAM1, (u32)Memory::base + offset), R(EAX));
#endif
}
gpr.UnlockAll();
gpr.UnlockAllX();
@ -263,8 +280,22 @@ void stfsx(UGeckoInstruction inst)
{
// We can take a shortcut here - it's not likely that a hardware access would use this instruction.
INSTRUCTION_START;
// TODO
#ifdef _M_X64
Default(inst); return;
#endif
gpr.FlushLockX(ABI_PARAM1);
fpr.Lock(inst.RS);
MOV(32, R(ABI_PARAM1), gpr.R(inst.RB));
if (inst.RA)
ADD(32, R(ABI_PARAM1), gpr.R(inst.RA));
AND(32, R(ABI_PARAM1), Imm32(Memory::MEMVIEW32_MASK));
CVTSD2SS(XMM0, fpr.R(inst.RS));
MOVD_xmm(R(EAX), XMM0);
BSWAP(32, EAX);
MOV(32, MDisp(ABI_PARAM1, (u32)Memory::base), R(EAX));
gpr.UnlockAllX();
fpr.UnlockAll();
return;
}