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SPU: Fix FREST

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This commit is contained in:
Eladash 2019-11-15 17:58:41 +02:00 • committed by Ivan
parent 9b34f00241
commit c9b0f0e734
3 changed files with 45 additions and 13 deletions
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11
rpcs3/Emu/Cell/SPURecompiler.cpp
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@ -7216,9 +7216,16 @@ public:
{
// TODO
if (g_cfg.core.spu_accurate_xfloat)
set_vr(op.rt, fsplat<f64[4]>(1.0) / get_vr<f64[4]>(op.ra));
{
const auto a = get_vr<f32[4]>(op.ra);
const auto mask_ov = sext<s32[4]>(bitcast<s32[4]>(fabs(a)) > splat<s32[4]>(0x7e7fffff));
const auto mask_de = eval(noncast<u32[4]>(sext<s32[4]>(fcmp_uno(a == fsplat<f32[4]>(0.)))) >> 1);
set_vr(op.rt, (bitcast<s32[4]>(fre(a)) & ~mask_ov) | noncast<s32[4]>(mask_de));
}
else
set_vr(op.rt, fsplat<f32[4]>(1.0) / get_vr<f32[4]>(op.ra));
{
set_vr(op.rt, fre(get_vr<f32[4]>(op.ra)));
}
}
void FRSQEST(spu_opcode_t op)