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many versions of simdid

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This commit is contained in:
Youmu Liu
2026-02-25 18:02:56 +08:00
parent b71515b2d4
commit 1b04196314
6 changed files with 188 additions and 51 deletions
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StgSharp.Native/sn-head/sn_intrincontext.x86.h
+14
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@@ -75,6 +75,7 @@
#define SIMDID_AVX2 (1U << 1)
#define SIMDID_AVX_FMA (1U << 2)
#define SIMDID_AVX_F16C (1U << 3)
#define SIMDID_AVX_DUAL (1U << 4) /* glued/split-lane YMM (two 128-bit units; Zen1, Hygon, VIA/Zhaoxin) */
#endif
#ifndef SIMDID_AMX_TILE
@@ -91,6 +92,19 @@
#define SIMDID_AVX10_512W (1U << 4)
#endif
/* uArchHi ([63..56]) bitmask — core topology and SIMD-width execution policy */
#ifndef SIMDID_UARCH_HYBRID_P
/* Topology 2-bit field (bits [1..0] of uArchHi byte):
* 00 = unknown (undetected hybrid type or pre-CPUID.1A hardware)
* 01 = E-core (efficiency/small core in a hybrid CPU)
* 10 = P-core (performance/big core in a hybrid CPU)
* 11 = unified (confirmed non-hybrid; numerically strongest)
* Higher numeric value == stronger / higher-capability topology. */
#define SIMDID_UARCH_HYBRID_E (1U << 0) /* E-core (efficiency/small) in a hybrid topology */
#define SIMDID_UARCH_HYBRID_P (1U << 1) /* P-core (performance/big) in a hybrid topology */
#define SIMDID_UARCH_SIMD_DUAL (1U << 2) /* SIMD is glued/dual (summary: AVX_DUAL or AVX512_IMPL=DUAL) */
#endif
// Pack helpers (define locally to avoid missing macros when included standalone)
#ifndef SIMDID_PACK_ROOT
#define SIMDID_PACK_ROOT(root) (((uint64_t)(root) & 0xFULL) << SIMDID_SHIFT_ROOT)