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shader: add missing RDNA2 ALU opcodes

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Add missing scalar and vector opcodes with compute tests.

Original work by @Pouare514 in #176.

Co-authored-by: Pouare514 <julienaulycee@gmail.com>
This commit is contained in:
nmzik
2026-09-02 01:55:48 +04:00
parent 04b404f3c9
commit e9425e101d
10 changed files with 175 additions and 7 deletions
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src/graphics/shader/recompiler/frontend/translate/Integer.cpp
+16
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@@ -312,6 +312,22 @@ bool Translator::S_BITSET_B32(const Decoder::Instruction& inst, bool set) {
return true;
}
bool Translator::S_BITSET_B64(const Decoder::Instruction& inst, bool set) {
const auto offset = ir.BitwiseAnd(ReadU32(inst.src0), IR::U32(IR::Value(63u)));
const auto word_bit = ir.BitwiseAnd(offset, IR::U32(IR::Value(31u)));
const auto bit = ir.ShiftLeftLogical(IR::U32(IR::Value(1u)), word_bit);
const auto old = ReadU32Pair(inst.dst);
const auto low_value = set ? ir.BitwiseOr(old[0], bit)
: ir.BitwiseAnd(old[0], ir.BitwiseNot(bit));
const auto high_value = set ? ir.BitwiseOr(old[1], bit)
: ir.BitwiseAnd(old[1], ir.BitwiseNot(bit));
const auto high = IR::U1(ir.Emit(IR::ValueOpcode::UGreaterThanEqual32,
{offset, IR::Value(32u)}));
WriteU32Pair(inst.dst,
{ir.Select(high, old[0], low_value), ir.Select(high, high_value, old[1])});
return true;
}
bool Translator::V_BCNT_U32_B32(const Decoder::Instruction& inst) {
const auto count = IR::U32(ir.Emit(IR::ValueOpcode::BitCount32, {ReadU32(inst.src0)}));
WriteOperand(DestinationOperand(inst), ir.IAdd(count, ReadU32(inst.src1)));