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UserspaceEmulator: Raise an error on FPU stack underflow

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Accessing an unset part of the FPU stack should not be a simple warning,
but should trigger the FPU exception mechanism.
This commit is contained in:
Hendiadyoin1 2021-07-23 14:22:19 +02:00 • committed by Linus Groh
parent 0d6d780183
commit 83f50a1507
3 changed files with 6 additions and 15 deletions
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2
Userland/DevTools/UserspaceEmulator/SoftCPU.h
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@ -267,7 +267,7 @@ public:
ValueWithShadow<u8> dl() const { return const_gpr8(X86::RegisterDL); }
ValueWithShadow<u8> dh() const { return const_gpr8(X86::RegisterDH); }
long double fpu_get(u8 index) const { return m_fpu.fpu_get(index); }
long double fpu_get(u8 index) { return m_fpu.fpu_get(index); }
long double fpu_pop() { return m_fpu.fpu_pop(); }
MMX mmx_get(u8 index) const { return m_fpu.mmx_get(index); };