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SPU Analyzer: Add pure opcode tag

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Elad 2026-03-19 10:49:55 +02:00
parent 9a0a5a1735
commit 4ced11e533
1 changed files with 7 additions and 0 deletions
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7
rpcs3/Emu/Cell/SPUAnalyser.h
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@ -13,6 +13,7 @@ struct spu_itype
static constexpr struct quadrop_tag{} _quadrop{}; // 4-op Instructions static constexpr struct quadrop_tag{} _quadrop{}; // 4-op Instructions
static constexpr struct xfloat_tag{} xfloat{}; // Instructions producing xfloat values static constexpr struct xfloat_tag{} xfloat{}; // Instructions producing xfloat values
static constexpr struct zregmod_tag{} zregmod{}; // Instructions not modifying any GPR static constexpr struct zregmod_tag{} zregmod{}; // Instructions not modifying any GPR
static constexpr struct pure_tag{} pure{}; // Instructions that always produce the same values as long as arguments are equal
enum class type : unsigned char enum class type : unsigned char
{ {
@ -301,6 +302,12 @@ struct spu_itype
{ {
return (value >= HEQ && value <= STQR) || (value >= BR && value <= BIHNZ); return (value >= HEQ && value <= STQR) || (value >= BR && value <= BIHNZ);
} }
// Test for instructions which always produce the same values as long as arguments and immediate values are equal
friend constexpr bool operator &(type value, pure_tag)
{
return (value >= ILH && value <= CLGTI);
}
}; };
using spu_itype_t = spu_itype::type; using spu_itype_t = spu_itype::type;