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SPU LLVM: Don't use vperm2b256to128 outside of CPUTranslator.h

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- The vperm2b function uses vperm2b256to128 when it's ideal
This commit is contained in:
Malcolm Jestadt
2025-03-24 07:56:17 -04:00
committed by Elad
parent faef63e8a7
commit c52920755a
1 changed files with 6 additions and 6 deletions
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rpcs3/Emu/Cell/SPULLVMRecompiler.cpp
+6 -6
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@@ -5870,13 +5870,13 @@ public:
{
if (perm_only)
{
set_vr(op.rt4, vperm2b256to128(as, b, c));
set_vr(op.rt4, vperm2b(as, b, c));
return;
}
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);
const auto mm = select(noncast<s8[16]>(m) >= 0, splat<u8[16]>(0), m);
const auto ab = vperm2b256to128(as, b, c);
const auto ab = vperm2b(as, b, c);
set_vr(op.rt4, select(noncast<s8[16]>(c) >= 0, ab, mm));
return;
}
@@ -5920,13 +5920,13 @@ public:
{
if (perm_only)
{
set_vr(op.rt4, vperm2b256to128(a, b, eval(c ^ 0xf)));
set_vr(op.rt4, vperm2b(a, b, eval(c ^ 0xf)));
return;
}
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);
const auto mm = select(noncast<s8[16]>(m) >= 0, splat<u8[16]>(0), m);
const auto ab = vperm2b256to128(a, b, eval(c ^ 0xf));
const auto ab = vperm2b(a, b, eval(c ^ 0xf));
set_vr(op.rt4, select(noncast<s8[16]>(c) >= 0, ab, mm));
return;
}
@@ -5938,13 +5938,13 @@ public:
{
if (perm_only)
{
set_vr(op.rt4, vperm2b256to128(b, a, eval(c ^ 0x1f)));
set_vr(op.rt4, vperm2b(b, a, eval(c ^ 0x1f)));
return;
}
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);
const auto mm = select(noncast<s8[16]>(m) >= 0, splat<u8[16]>(0), m);
const auto ab = vperm2b256to128(b, a, eval(c ^ 0x1f));
const auto ab = vperm2b(b, a, eval(c ^ 0x1f));
set_vr(op.rt4, select(noncast<s8[16]>(c) >= 0, ab, mm));
return;
}