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[ARM] Use NEON for loading the values from psq_l, gives a minimal performance increase. This change also begins a new NEONXEmitter for having cleaner support for NEON.

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This commit is contained in:
Ryan Houdek
2013-09-08 07:07:06 +00:00
parent 40f848d279
commit e6af4970d8
4 changed files with 162 additions and 68 deletions
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73
Source/Core/Common/Src/ArmEmitter.h
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@ -104,13 +104,6 @@ enum ShiftType
ST_ROR = 3,
ST_RRX = 4
};
enum IntegerSize
{
I_I8 = 0,
I_I16,
I_I32,
I_I64
};
enum
{
@ -349,6 +342,7 @@ typedef const u8* JumpTarget;
class ARMXEmitter
{
friend struct OpArg; // for Write8 etc
friend class NEONXEmitter;
private:
u8 *code, *startcode;
u8 *lastCacheFlushEnd;
@ -533,11 +527,7 @@ public:
// Subtracts the base from the register to give us the real one
ARMReg SubBase(ARMReg Reg);
// NEON Only
void VABD(IntegerSize Size, ARMReg Vd, ARMReg Vn, ARMReg Vm);
void VADD(IntegerSize Size, ARMReg Vd, ARMReg Vn, ARMReg Vm);
void VSUB(IntegerSize Size, ARMReg Vd, ARMReg Vn, ARMReg Vm);
// VFP Only
void VLDR(ARMReg Dest, ARMReg Base, s16 offset);
void VSTR(ARMReg Src, ARMReg Base, s16 offset);
@ -584,6 +574,65 @@ public:
}; // class ARMXEmitter
enum NEONElementType
{
I_8 = (1 << 0),
I_16 = (1 << 1),
I_32 = (1 << 2),
I_64 = (1 << 3),
I_SIGNED = (1 << 4),
I_UNSIGNED = (1 << 5),
F_32 = (1 << 6)
};
enum NEONAlignment
{
ALIGN_NONE = 0,
ALIGN_64 = 1,
ALIGN_128 = 2,
ALIGN_256 = 3
};
class NEONXEmitter
{
private:
ARMXEmitter *_emit;
ARMReg SubBase(ARMReg Reg) { return _emit->SubBase(Reg); }
inline void Write32(u32 value) { _emit->Write32(value); }
inline u32 encodedSize(u32 value)
{
if (value & I_8)
return 0;
else if (value & I_16)
return 1;
else if (value & I_32)
return 2;
else if (value & I_64)
return 3;
else
_dbg_assert_msg_(DYNA_REC, false, "Passed invalid size to integer NEON instruction");
return 0;
}
void VREVX(u32 size, NEONElementType Size, ARMReg Vd, ARMReg Vm);
public:
NEONXEmitter(ARMXEmitter *emit)
: _emit(emit)
{}
void VABD(NEONElementType Size, ARMReg Vd, ARMReg Vn, ARMReg Vm);
void VADD(NEONElementType Size, ARMReg Vd, ARMReg Vn, ARMReg Vm);
void VSUB(NEONElementType Size, ARMReg Vd, ARMReg Vn, ARMReg Vm);
void VREV64(NEONElementType Size, ARMReg Vd, ARMReg Vm);
void VREV32(NEONElementType Size, ARMReg Vd, ARMReg Vm);
void VREV16(NEONElementType Size, ARMReg Vd, ARMReg Vm);
void VLD1(NEONElementType Size, ARMReg Vd, ARMReg Rn, NEONAlignment align = ALIGN_NONE, ARMReg Rm = _PC);
void VLD2(NEONElementType Size, ARMReg Vd, ARMReg Rn, NEONAlignment align = ALIGN_NONE, ARMReg Rm = _PC);
};
// Everything that needs to generate X86 code should inherit from this.
// You get memory management for free, plus, you can use all the MOV etc functions without