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SPU LLVM: rewrite comparison on non-xfloat path of CFLTU, CFLTS

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CFLTU on non-xfloat path is accurate as xfloat path now.
* Also optimize FCTIW like FCTIWZ (PPU)
This commit is contained in:
Eladash 2019-10-25 11:03:49 +03:00 • committed by Ivan
parent ef8872c0d7
commit 923cd7ad72
3 changed files with 10 additions and 8 deletions
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6
rpcs3/Emu/Cell/SPURecompiler.cpp
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@ -7509,7 +7509,7 @@ public:
value_t<s32[4]> r;
r.value = m_ir->CreateFPToSI(a.value, get_type<s32[4]>());
set_vr(op.rt, r ^ sext<s32[4]>(fcmp_ord(a >= fsplat<f32[4]>(std::exp2(31.f)))));
set_vr(op.rt, r ^ sext<s32[4]>(bitcast<s32[4]>(a) > splat<s32[4]>(((31 + 127) << 23) - 1)));
}
}
@ -7568,7 +7568,7 @@ public:
}
r.value = m_ir->CreateFPToUI(a.value, get_type<s32[4]>());
set_vr(op.rt, select(fcmp_uno(a >= fsplat<f64[4]>(std::exp2(32.f))), splat<s32[4]>(-1), r & sext<s32[4]>(fcmp_ord(a >= fsplat<f64[4]>(0.)))));
set_vr(op.rt, select(fcmp_ord(a >= fsplat<f64[4]>(std::exp2(32.f))), splat<s32[4]>(-1), r & sext<s32[4]>(fcmp_ord(a >= fsplat<f64[4]>(0.)))));
}
else
{
@ -7583,7 +7583,7 @@ public:
value_t<s32[4]> r;
r.value = m_ir->CreateFPToUI(a.value, get_type<s32[4]>());
set_vr(op.rt, select(fcmp_uno(a >= fsplat<f32[4]>(std::exp2(32.f))), splat<s32[4]>(-1), r & ~(bitcast<s32[4]>(a) >> 31)));
set_vr(op.rt, select(bitcast<s32[4]>(a) > splat<s32[4]>(((32 + 127) << 23) - 1), splat<s32[4]>(-1), r & ~(bitcast<s32[4]>(a) >> 31)));
}
}