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shader: fix VOP2 DPP8 decoding

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Çağatay Güçlü
2026-10-05 01:09:35 +04:00
committed by nmzik
parent e56899902b
commit b27b89f513
2 changed files with 19 additions and 4 deletions
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src/graphics/shader/recompiler/frontend/decode/VectorAluOps.cpp
+5 -2
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@@ -1126,8 +1126,10 @@ void DecodeVop2Dpp(uint32_t pc, std::span<const uint32_t> code, uint32_t word_in
DecodeVectorGpr(vsrc1, inst.src1);
DecodeScalarSource(src0 + 256u, pc, inst.src0);
ApplyDppModifier(inst.src0, modifier, code[word_index] & 0x1ffu);
inst.src1.negate = ((modifier >> 22u) & 0x1u) != 0u;
inst.src1.absolute = ((modifier >> 23u) & 0x1u) != 0u;
if (!inst.src0.dpp8) {
inst.src1.negate = ((modifier >> 22u) & 0x1u) != 0u;
inst.src1.absolute = ((modifier >> 23u) & 0x1u) != 0u;
}
const bool packed_fmac = inst.opcode == Opcode::V_PK_FMAC_F16;
if (packed_fmac) {
inst.src0.negate_hi = inst.src0.negate;
@@ -1582,6 +1584,7 @@ void DecodeVop2(uint32_t pc, std::span<const uint32_t> code, uint32_t word_index
return;
}
switch (src0) {
case 233u: DecodeVop2Dpp(pc, code, word_index, opcode, vdst, vsrc1, inst); return;
case 249u: DecodeVop2Sdwa(pc, code, word_index, opcode, vdst, vsrc1, inst); return;
case 250u: DecodeVop2Dpp(pc, code, word_index, opcode, vdst, vsrc1, inst); return;
default: break;