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Convert registersInUse to BitSet.

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This commit is contained in:
comex
2014-10-16 22:21:55 -04:00
parent b6a7438053
commit eb7f4dac50
18 changed files with 119 additions and 136 deletions
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51
Source/Core/Common/x64ABI.cpp
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@ -10,31 +10,23 @@ using namespace Gen;
// Shared code between Win64 and Unix64
void XEmitter::ABI_CalculateFrameSize(u32 mask, size_t rsp_alignment, size_t needed_frame_size, size_t* shadowp, size_t* subtractionp, size_t* xmm_offsetp)
void XEmitter::ABI_CalculateFrameSize(BitSet32 mask, size_t rsp_alignment, size_t needed_frame_size, size_t* shadowp, size_t* subtractionp, size_t* xmm_offsetp)
{
size_t shadow = 0;
#if defined(_WIN32)
shadow = 0x20;
#endif
int count = 0;
for (int r = 0; r < 16; r++)
{
if (mask & (1 << r))
count++;
}
int count = (mask & ABI_ALL_GPRS).Count();
rsp_alignment -= count * 8;
size_t subtraction = 0;
if (mask & 0xffff0000)
int fpr_count = (mask & ABI_ALL_FPRS).Count();
if (fpr_count)
{
// If we have any XMMs to save, we must align the stack here.
subtraction = rsp_alignment & 0xf;
}
for (int x = 0; x < 16; x++)
{
if (mask & (1 << (16 + x)))
subtraction += 16;
}
subtraction += 16 * fpr_count;
size_t xmm_base_subtraction = subtraction;
subtraction += needed_frame_size;
subtraction += shadow;
@ -47,44 +39,35 @@ void XEmitter::ABI_CalculateFrameSize(u32 mask, size_t rsp_alignment, size_t nee
*xmm_offsetp = subtraction - xmm_base_subtraction;
}
size_t XEmitter::ABI_PushRegistersAndAdjustStack(u32 mask, size_t rsp_alignment, size_t needed_frame_size)
size_t XEmitter::ABI_PushRegistersAndAdjustStack(BitSet32 mask, size_t rsp_alignment, size_t needed_frame_size)
{
size_t shadow, subtraction, xmm_offset;
ABI_CalculateFrameSize(mask, rsp_alignment, needed_frame_size, &shadow, &subtraction, &xmm_offset);
for (int r = 0; r < 16; r++)
{
if (mask & (1 << r))
PUSH((X64Reg) r);
}
for (int r : mask & ABI_ALL_GPRS)
PUSH((X64Reg) r);
if (subtraction)
SUB(64, R(RSP), subtraction >= 0x80 ? Imm32((u32)subtraction) : Imm8((u8)subtraction));
for (int x = 0; x < 16; x++)
for (int x : mask & ABI_ALL_FPRS)
{
if (mask & (1 << (16 + x)))
{
MOVAPD(MDisp(RSP, (int)xmm_offset), (X64Reg) x);
xmm_offset += 16;
}
MOVAPD(MDisp(RSP, (int)xmm_offset), (X64Reg) (x - 16));
xmm_offset += 16;
}
return shadow;
}
void XEmitter::ABI_PopRegistersAndAdjustStack(u32 mask, size_t rsp_alignment, size_t needed_frame_size)
void XEmitter::ABI_PopRegistersAndAdjustStack(BitSet32 mask, size_t rsp_alignment, size_t needed_frame_size)
{
size_t shadow, subtraction, xmm_offset;
ABI_CalculateFrameSize(mask, rsp_alignment, needed_frame_size, &shadow, &subtraction, &xmm_offset);
for (int x = 0; x < 16; x++)
for (int x : mask & ABI_ALL_FPRS)
{
if (mask & (1 << (16 + x)))
{
MOVAPD((X64Reg) x, MDisp(RSP, (int)xmm_offset));
xmm_offset += 16;
}
MOVAPD((X64Reg) (x - 16), MDisp(RSP, (int)xmm_offset));
xmm_offset += 16;
}
if (subtraction)
@ -92,10 +75,8 @@ void XEmitter::ABI_PopRegistersAndAdjustStack(u32 mask, size_t rsp_alignment, si
for (int r = 15; r >= 0; r--)
{
if (mask & (1 << r))
{
if (mask[r])
POP((X64Reg) r);
}
}
}