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Implement V_BFM_B32

This commit is contained in:
Frodo Baggins 2024-08-30 01:06:08 -07:00
parent 1651db24fe
commit 93ab48432e
2 changed files with 13 additions and 0 deletions
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1
src/shader_recompiler/frontend/translate/translate.h
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@ -189,6 +189,7 @@ public:
void V_CMP_CLASS_F32(const GcnInst& inst);
void V_FFBL_B32(const GcnInst& inst);
void V_MBCNT_U32_B32(bool is_low, const GcnInst& inst);
void V_BFM_B32(const GcnInst& inst);
// Vector Memory
void BUFFER_LOAD(u32 num_dwords, bool is_typed, const GcnInst& inst);

12
src/shader_recompiler/frontend/translate/vector_alu.cpp
View File

@ -311,6 +311,9 @@ void Translator::EmitVectorAlu(const GcnInst& inst) {
return V_MBCNT_U32_B32(false, inst);
case Opcode::V_NOP:
return;
case Opcode::V_BFM_B32:
return V_BFM_B32(inst);
default:
LogMissingOpcode(inst);
}
@ -964,4 +967,13 @@ void Translator::V_MBCNT_U32_B32(bool is_low, const GcnInst& inst) {
SetDst(inst.dst[0], ir.LaneId());
}
void Translator::V_BFM_B32(const GcnInst& inst) {
// bitmask width
const IR::U32 src0{ir.BitFieldExtract(GetSrc(inst.src[0]), ir.Imm32(0), ir.Imm32(4))};
// bitmask offset
const IR::U32 src1{ir.BitFieldExtract(GetSrc(inst.src[1]), ir.Imm32(0), ir.Imm32(4))};
const IR::U32 ones = ir.ISub(ir.ShiftLeftLogical(ir.Imm32(1), src0), ir.Imm32(1));
SetDst(inst.dst[0], ir.ShiftLeftLogical(ones, src1));
}
} // namespace Shader::Gcn