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v24.5

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Jay D Dee
2024-09-13 14:14:57 -04:00
parent 47e24b50e8
commit 8e91bfbe19
16 changed files with 2727 additions and 1880 deletions
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42
simd-utils.h
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@@ -141,9 +141,40 @@
#include <stdint.h>
#include <stddef.h>
// SIMD512: Use 512, 256 & 128 bit vectors, excludes AVX512VBMI
// VL256: Include AVX512VL instructions on 256 & 128 bit vectors
// VBMI: Include AVX512VBMI instructions on all vectors.
// GCC-14.1: the AVX512 macros are defined even when compiled with only
// -mavx10.1-256, causing compile errors in AVX512 code. Only with
// -mavx10.1-512 does it compile successfully.
// __EVEX512__ is set only when compiled with -mavx10.1-512.
// Adding -fno-evex512 doesn't help.
// Building with -mapxf fails on a CPU without APX because configure can't
// run its test program.
/*
// Test for macros
#ifdef __AVX10__
#warning "__AVX10__"
#endif
#ifdef __AVX10_1__
#warning "__AVX10_1__"
#endif
#ifdef __AVX10_1_256__
#warning "__AVX10_1_256__"
#endif
#ifdef __AVX10_1_512__
#warning "__AVX10_1_512__"
#endif
#ifdef __EVEX512__
#warning "__EVEX512__"
#endif
*/
// AVX10 complicates vector support by adding AVX512 features to CPUs without 512 bit
// vector support. AVX10.1 is just a renaming of AVX512 and is only available for
// Intel P-core only CPUs. AVX10.2 adds support for E-cores that don't support 512 bit
// vectors. The following macros simplify things.
// SIMD512: Use 512, 256 & 128 bit vectors, AVX512VBMI is not included and must be
// tested seperately.
// VL256: Include AVX512VL instructions for 256 & 128 bit vectors.
// VBMI: Include AVX512VBMI instructions for supported vector lengths.
// AVX10 can exist without support for 512 bit vectors.
#if defined(__AVX10_1_512__)
@@ -153,8 +184,9 @@
#endif
// AVX512VL instructions applied to 256 & 128 bit vectors is supported with
// either AVX512VL or any version of AVX10.
#if defined(__AVX10_1__)
// either AVX512VL or AVX10. Support for CPUs without 512 bit vectors is available
// with AVX10.2.
#if defined(__AVX10_2__) || defined(__AVX10_1_512__)
#define VL256 1
#elif defined(__AVX512VL__)
#define VL256 1