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UserspaceEmulator: Support FCMOVBE and FCMOVNBE

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This commit is contained in:
Andreas Kling 2020-11-13 10:37:59 +01:00
parent ae81ced21c
commit df3a70eac2
1 changed files with 12 additions and 2 deletions
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14
DevTools/UserspaceEmulator/SoftCPU.cpp
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@ -1638,7 +1638,13 @@ void SoftCPU::FIMUL_RM32(const X86::Instruction& insn)
void SoftCPU::FCMOVE(const X86::Instruction&) { TODO_INSN(); } void SoftCPU::FCMOVE(const X86::Instruction&) { TODO_INSN(); }
void SoftCPU::FICOM_RM32(const X86::Instruction&) { TODO_INSN(); } void SoftCPU::FICOM_RM32(const X86::Instruction&) { TODO_INSN(); }
void SoftCPU::FCMOVBE(const X86::Instruction&) { TODO_INSN(); }
void SoftCPU::FCMOVBE(const X86::Instruction& insn)
{
if (evaluate_condition(6))
fpu_set(0, fpu_get(insn.rm() & 7));
}
void SoftCPU::FICOMP_RM32(const X86::Instruction&) { TODO_INSN(); } void SoftCPU::FICOMP_RM32(const X86::Instruction&) { TODO_INSN(); }
void SoftCPU::FCMOVU(const X86::Instruction&) { TODO_INSN(); } void SoftCPU::FCMOVU(const X86::Instruction&) { TODO_INSN(); }
void SoftCPU::FISUB_RM32(const X86::Instruction&) { TODO_INSN(); } void SoftCPU::FISUB_RM32(const X86::Instruction&) { TODO_INSN(); }
@ -1677,7 +1683,11 @@ void SoftCPU::FIST_RM32(const X86::Instruction& insn)
insn.modrm().write32(*this, insn, shadow_wrap_as_initialized(bit_cast<u32>(i32))); insn.modrm().write32(*this, insn, shadow_wrap_as_initialized(bit_cast<u32>(i32)));
} }
void SoftCPU::FCMOVNBE(const X86::Instruction&) { TODO_INSN(); } void SoftCPU::FCMOVNBE(const X86::Instruction& insn)
{
if (evaluate_condition(7))
fpu_set(0, fpu_get(insn.rm() & 7));
}
void SoftCPU::FISTP_RM32(const X86::Instruction& insn) void SoftCPU::FISTP_RM32(const X86::Instruction& insn)
{ {