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DSP LLE: Remove byteswaps and other bloat from the hot path (do them at load/dma time). Minor speedup, perhaps.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2939 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2009-04-08 21:46:54 +00:00
parent e5edb4c4ad
commit 8c861ad58d
13 changed files with 65 additions and 77 deletions
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8
Source/Plugins/Plugin_DSP_LLE/Src/DSPInterpreter.cpp
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@ -32,7 +32,7 @@ namespace DSPInterpreter {
void unknown(const UDSPInstruction& opc)
{
//_assert_msg_(MASTER_LOG, !g_dsp.exception_in_progress_hack, "assert while exception");
ERROR_LOG(DSPLLE, "LLE: Unrecognized opcode 0x%04x, pc 0x%04x", opc.hex, g_dsp.err_pc);
ERROR_LOG(DSPLLE, "LLE: Unrecognized opcode 0x%04x, pc 0x%04x", opc.hex, g_dsp.pc);
}
// test register and updates SR accordingly
@ -158,7 +158,7 @@ void rti(const UDSPInstruction& opc)
void halt(const UDSPInstruction& opc)
{
g_dsp.cr |= 0x4;
g_dsp.pc = g_dsp.err_pc;
g_dsp.pc--;
}
@ -1688,7 +1688,7 @@ void msubc(const UDSPInstruction& opc)
void srs(const UDSPInstruction& opc)
{
u8 reg = ((opc.hex >> 8) & 0x7) + 0x18;
u16 addr = (s8)opc.hex;
u16 addr = (u16)(s16)(s8)opc.hex;
dsp_dmem_write(addr, g_dsp.r[reg]);
}
@ -1701,7 +1701,7 @@ void srs(const UDSPInstruction& opc)
void lrs(const UDSPInstruction& opc)
{
u8 reg = ((opc.hex >> 8) & 0x7) + 0x18;
u16 addr = (s8) opc.hex;
u16 addr = (u16)(s16)(s8)opc.hex;
g_dsp.r[reg] = dsp_dmem_read(addr);
}