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PPU LLVM: improve accuracy of VSL/VSR

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Passes tests, should now be equal to interpreter.
This commit is contained in:
Nekotekina
2022-01-15 21:13:31 +03:00
parent df24cff0b1
commit f95395b351
1 changed files with 4 additions and 6 deletions
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rpcs3/Emu/Cell/PPUTranslator.cpp
+4 -6
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@@ -1518,9 +1518,8 @@ void PPUTranslator::VSEL(ppu_opcode_t op)
void PPUTranslator::VSL(ppu_opcode_t op) void PPUTranslator::VSL(ppu_opcode_t op)
{ {
// TODO (very rare) const auto [a, b] = get_vrs<u8[16]>(op.va, op.vb);
const auto [a, b] = get_vrs<u128>(op.va, op.vb); set_vr(op.vd, fshl(a, zshuffle(a, 16, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14), b));
set_vr(op.vd, a << (b & 7));
} }
void PPUTranslator::VSLB(ppu_opcode_t op) void PPUTranslator::VSLB(ppu_opcode_t op)
@@ -1612,9 +1611,8 @@ void PPUTranslator::VSPLTW(ppu_opcode_t op)
void PPUTranslator::VSR(ppu_opcode_t op) void PPUTranslator::VSR(ppu_opcode_t op)
{ {
// TODO (very rare) const auto [a, b] = get_vrs<u8[16]>(op.va, op.vb);
const auto [a, b] = get_vrs<u128>(op.va, op.vb); set_vr(op.vd, fshr(zshuffle(a, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16), a, b));
set_vr(op.vd, a >> (b & 7));
} }
void PPUTranslator::VSRAB(ppu_opcode_t op) void PPUTranslator::VSRAB(ppu_opcode_t op)