archive/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2024-09-22 12:21:41 +02:00
Code Issues Projects Releases Packages Wiki Activity

DSPHWInterface: Use SSSE3 function targeting

Browse source
This commit is contained in:
Stenzek 2016-12-24 17:34:33 +10:00
parent d315052552
commit 214aea1aea
1 changed files with 29 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

46
Source/Core/Core/DSP/DSPHWInterface.cpp
View file

@ -252,25 +252,41 @@ static const u8* gdsp_idma_out(u16 dsp_addr, u32 addr, u32 size)
return nullptr;
}
#if _M_SSE >= 0x301
#if defined(_M_X86) || defined(_M_X86_64)
static const __m128i s_mask = _mm_set_epi32(0x0E0F0C0DL, 0x0A0B0809L, 0x06070405L, 0x02030001L);
FUNCTION_TARGET_SSSE3
static void gdsp_ddma_in_SSSE3(u16 dsp_addr, u32 addr, u32 size, u8* dst)
{
for (u32 i = 0; i < size; i += 16)
{
_mm_storeu_si128(
(__m128i*)&dst[dsp_addr + i],
_mm_shuffle_epi8(_mm_loadu_si128((__m128i*)&g_dsp.cpu_ram[(addr + i) & 0x7FFFFFFF]),
s_mask));
}
}
FUNCTION_TARGET_SSSE3
static void gdsp_ddma_out_SSSE3(u16 dsp_addr, u32 addr, u32 size, const u8* src)
{
for (u32 i = 0; i < size; i += 16)
{
_mm_storeu_si128((__m128i*)&g_dsp.cpu_ram[(addr + i) & 0x7FFFFFFF],
_mm_shuffle_epi8(_mm_loadu_si128((__m128i*)&src[dsp_addr + i]), s_mask));
}
}
#endif
// TODO: These should eat clock cycles.
static const u8* gdsp_ddma_in(u16 dsp_addr, u32 addr, u32 size)
{
u8* dst = ((u8*)g_dsp.dram);
u8* dst = reinterpret_cast<u8*>(g_dsp.dram);
#if _M_SSE >= 0x301
#if defined(_M_X86) || defined(_M_X86_64)
if (cpu_info.bSSSE3 && !(size % 16))
{
for (u32 i = 0; i < size; i += 16)
{
_mm_storeu_si128(
(__m128i*)&dst[dsp_addr + i],
_mm_shuffle_epi8(_mm_loadu_si128((__m128i*)&g_dsp.cpu_ram[(addr + i) & 0x7FFFFFFF]),
s_mask));
}
gdsp_ddma_in_SSSE3(dsp_addr, addr, size, dst);
}
else
#endif
@ -289,16 +305,12 @@ static const u8* gdsp_ddma_in(u16 dsp_addr, u32 addr, u32 size)
static const u8* gdsp_ddma_out(u16 dsp_addr, u32 addr, u32 size)
{
const u8* src = ((const u8*)g_dsp.dram);
const u8* src = reinterpret_cast<const u8*>(g_dsp.dram);
#if _M_SSE >= 0x301
#ifdef _M_X86
if (cpu_info.bSSSE3 && !(size % 16))
{
for (u32 i = 0; i < size; i += 16)
{
_mm_storeu_si128((__m128i*)&g_dsp.cpu_ram[(addr + i) & 0x7FFFFFFF],
_mm_shuffle_epi8(_mm_loadu_si128((__m128i*)&src[dsp_addr + i]), s_mask));
}
gdsp_ddma_out_SSSE3(dsp_addr, addr, size, src);
}
else
#endif