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shader: decode and translate V_FRACT_F16 (VOP1 0x5f) and V_CMPX_LT_U16 (VOPC 0xb9) (#582)

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shader: support V_FRACT_F16 and V_CMPX_LT_U16

Decode compact, SDWA, and VOP3 forms using the existing arithmetic and comparison paths. Preserve EXEC masking and VCC for the integer compare, and reject unsupported DPP encoding.

Add captured-instruction, operand-selection, floating-point edge, and execution-mask regression coverage.

Co-authored-by: nmzik <Nmzik@mail.ru>
This commit is contained in:
ADBHXNLOL
2026-09-12 09:21:32 -04:00
committed by GitHub
parent 1208d22547
commit a21ffde34e
5 changed files with 260 additions and 0 deletions
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src/graphics/shader/recompiler/frontend/translate/Vector.cpp
+4
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@@ -138,6 +138,9 @@ bool Translator::EmitVector(const Decoder::Instruction& inst) {
case O::V_CMP_LT_U16:
EmitInteger16Compare(inst, IR::ValueOpcode::ULessThan32, false, false);
return true;
case O::V_CMPX_LT_U16:
EmitInteger16Compare(inst, IR::ValueOpcode::ULessThan32, false, true);
return true;
case O::V_CMP_LE_U16:
EmitInteger16Compare(inst, IR::ValueOpcode::ULessThanEqual32, false, false);
return true;
@@ -370,6 +373,7 @@ bool Translator::EmitVector(const Decoder::Instruction& inst) {
case O::V_CEIL_F16: return Float16Unary(inst, IR::ValueOpcode::FPCeil32, false);
case O::V_TRUNC_F16: return Float16Unary(inst, IR::ValueOpcode::FPTrunc32, false);
case O::V_RNDNE_F16: return Float16Unary(inst, IR::ValueOpcode::FPRoundEven32, false);
case O::V_FRACT_F16: return Float16Unary(inst, IR::ValueOpcode::FPFract32, false);
case O::V_SIN_F16: return Float16Trig(inst, IR::ValueOpcode::FPSin);
case O::V_COS_F16: return Float16Trig(inst, IR::ValueOpcode::FPCos);
case O::V_MIN3_F16: return Float16Ternary(inst, IR::ValueOpcode::FPMinTri32, false, false);