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JitArm64: Clean up LWZ idle skipping.

This commit is contained in:
degasus 2016-05-14 10:30:17 +02:00
parent d2db329a42
commit 782c68cf00
2 changed files with 6 additions and 5 deletions
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1
Source/Core/Core/PowerPC/JitArm64/Jit.cpp
View File

@ -467,6 +467,7 @@ const u8* JitArm64::DoJit(u32 em_address, PPCAnalyst::CodeBuffer *code_buf, JitB
js.compilerPC = ops[i].address;
js.op = &ops[i];
js.instructionNumber = i;
js.instructionsLeft = (code_block.m_num_instructions - 1) - i;
const GekkoOPInfo *opinfo = ops[i].opinfo;
js.downcountAmount += opinfo->numCycles;

10
Source/Core/Core/PowerPC/JitArm64/JitArm64_LoadStore.cpp
View File

@ -446,11 +446,11 @@ void JitArm64::lXX(UGeckoInstruction inst)
// LWZ idle skipping
if (SConfig::GetInstance().bSkipIdle &&
inst.OPCD == 32 &&
(inst.hex & 0xFFFF0000) == 0x800D0000 &&
(PowerPC::HostRead_U32(js.compilerPC + 4) == 0x28000000 ||
(SConfig::GetInstance().bWii && PowerPC::HostRead_U32(js.compilerPC + 4) == 0x2C000000)) &&
PowerPC::HostRead_U32(js.compilerPC + 8) == 0x4182fff8)
inst.OPCD == 32 && MergeAllowedNextInstructions(2) &&
(inst.hex & 0xFFFF0000) == 0x800D0000 && // lwz r0, XXXX(r13)
(js.op[1].inst.hex == 0x28000000 ||
(SConfig::GetInstance().bWii && js.op[1].inst.hex == 0x2C000000)) && // cmpXwi r0,0
js.op[2].inst.hex == 0x4182fff8) // beq -8
{
// if it's still 0, we can wait until the next event
FixupBranch noIdle = CBNZ(gpr.R(d));