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Core/DSPCore: Reorganize register layout for accessing accumulators

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(acc and ax) and product register with one read/write.

Gives a minuscule speedup of not more than 4%. In exchange, breaks all
your out-of-tree changes to dsp. Tests are not building again, yet.


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6680 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
pierre
2010-12-29 02:12:06 +00:00
parent 0059b0f44f
commit fc1db5eaa0
23 changed files with 1224 additions and 728 deletions
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18
Source/Core/Common/Src/x64Emitter.h
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@ -187,6 +187,24 @@ inline OpArg ImmPtr(void* imm) {return Imm64((u64)imm);}
#else
inline OpArg ImmPtr(void* imm) {return Imm32((u32)imm);}
#endif
inline u32 PtrOffset(void* ptr, void* base) {
#ifdef _M_X64
s64 distance = (s64)ptr-(s64)base;
if (distance >= 0x80000000LL ||
distance < -0x80000000LL) {
_assert_msg_(DYNA_REC, 0, "pointer offset out of range");
return 0;
}
return distance;
#else
return (u32)ptr-(u32)base;
#endif
}
//usage: int a[]; ARRAY_OFFSET(a,10)
#define ARRAY_OFFSET(array,index) ((u64)&(array)[index]-(u64)&(array)[0])
//usage: struct {int e;} s; STRUCT_OFFSET(s,e)
#define STRUCT_OFFSET(str,elem) ((u64)&(str).elem-(u64)&(str))
struct FixupBranch
{