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SPU LLVM: restore lost comment

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This commit is contained in:
Nekotekina 2021-04-21 13:33:44 +03:00
parent 6247969ede
commit 67649d7976
1 changed files with 3 additions and 1 deletions
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4
rpcs3/Emu/Cell/SPURecompiler.cpp
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@ -7418,6 +7418,8 @@ public:
{
if (auto [ok, bs] = match_expr(b, byteswap(match<u8[16]>())); ok)
{
// Undo endian swapping, and rely on pshufb/vperm2b to re-reverse endianness
if (m_use_avx512_icl && (op.ra != op.rb))
{
const auto m = gf2p8affineqb(c, build<u8[16]>(0x40, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x40, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20), 0x7f);
@ -7426,7 +7428,7 @@ public:
set_vr(op.rt4, select(noncast<s8[16]>(c) >= 0, ab, mm));
return;
}
const auto x = avg(noncast<u8[16]>(sext<s8[16]>((c & 0xc0) == 0xc0)), noncast<u8[16]>(sext<s8[16]>((c & 0xe0) == 0xc0)));
const auto ax = pshufb(as, c);
const auto bx = pshufb(bs, c);