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A64: PSTATE access and tests

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MerryMage
2018-01-07 14:46:35 +00:00
parent 23f3afe0b3
commit e8bcf72ee5
6 changed files with 86 additions and 2 deletions
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3
src/backend_x64/a64_emit_x64.cpp
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@@ -128,7 +128,8 @@ void A64EmitX64::EmitA64SetNZCV(A64EmitContext& ctx, IR::Inst* inst) {
Xbyak::Reg32 to_store = ctx.reg_alloc.UseGpr(args[0]).cvt32();
code->and_(to_store, 0b11000001'00000001);
code->imul(to_store, to_store, 0b00010000'00100001);
code->and_(to_store, 0xFF000000);
code->shl(to_store, 16);
code->and_(to_store, 0xF0000000);
code->mov(dword[r15 + offsetof(A64JitState, CPSR_nzcv)], to_store);
}