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SPU LLVM: Avoid bad optimization in FCGT

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Eladash 2020-06-17 20:19:48 +03:00 committed by Ivan
parent 2086e7f2e8
commit 5c6dae498b
1 changed files with 0 additions and 17 deletions
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17
rpcs3/Emu/Cell/SPURecompiler.cpp
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@ -7350,7 +7350,6 @@ public:
{ {
v128 data = get_const_vector(cv, m_pos, 5000); v128 data = get_const_vector(cv, m_pos, 5000);
bool safe_int_compare = true; bool safe_int_compare = true;
bool safe_simple_compare = true;
for (u32 i = 0; i < 4; i++) for (u32 i = 0; i < 4; i++)
{ {
@ -7367,16 +7366,6 @@ public:
// this optimization for values outside of the range of x86 floating point hardware. // this optimization for values outside of the range of x86 floating point hardware.
safe_int_compare = false; safe_int_compare = false;
} }
if (absolute_float_bits < 0x7f7fffffu)
{
// Zero or a float in normalized range for x86
continue;
}
else
{
safe_simple_compare = false;
}
} }
if (safe_int_compare) if (safe_int_compare)
@ -7384,12 +7373,6 @@ public:
set_vr(op.rt, sext<s32[4]>(bitcast<s32[4]>(a) > bitcast<s32[4]>(b))); set_vr(op.rt, sext<s32[4]>(bitcast<s32[4]>(a) > bitcast<s32[4]>(b)));
return; return;
} }
if (safe_simple_compare)
{
set_vr(op.rt, sext<s32[4]>(fcmp_uno(a > b)));
return;
}
} }
if (auto cv = llvm::dyn_cast<llvm::Constant>(a.value)) if (auto cv = llvm::dyn_cast<llvm::Constant>(a.value))