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jit_state: Split off CPSR.{E,T}

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This allows us to improve code-emission for PopRSBHint. We also improve
code emission other terminals at the same time.
This commit is contained in:
MerryMage 2017-12-02 15:24:10 +00:00
parent 3cca3bbd0b
commit 311361b409
5 changed files with 67 additions and 72 deletions
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9
src/backend_x64/jitstate.cpp
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@ -52,6 +52,9 @@ u32 JitState::Cpsr() const {
cpsr |= Common::Bit<23>(CPSR_ge) ? 1 << 18 : 0;
cpsr |= Common::Bit<15>(CPSR_ge) ? 1 << 17 : 0;
cpsr |= Common::Bit<7>(CPSR_ge) ? 1 << 16 : 0;
// E flag, T flag
cpsr |= Common::Bit<1>(CPSR_et) ? 1 << 9 : 0;
cpsr |= Common::Bit<0>(CPSR_et) ? 1 << 5 : 0;
// Other flags
cpsr |= CPSR_other;
@ -65,8 +68,12 @@ void JitState::SetCpsr(u32 cpsr) {
CPSR_ge |= Common::Bit<18>(cpsr) ? 0x00FF0000 : 0;
CPSR_ge |= Common::Bit<17>(cpsr) ? 0x0000FF00 : 0;
CPSR_ge |= Common::Bit<16>(cpsr) ? 0x000000FF : 0;
// E flag, T flag
CPSR_et = 0;
CPSR_et |= Common::Bit<9>(cpsr) ? 2 : 0;
CPSR_et |= Common::Bit<5>(cpsr) ? 1 : 0;
// Other flags
CPSR_other = cpsr & 0xFFF0FFFF;
CPSR_other = cpsr & 0xFFF0FDDF;
}
void JitState::ResetRSB() {