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cleanup.

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This commit is contained in:
HedgehogInTheCPP 2026-08-14 01:33:14 +03:00
parent 6d5ca40802
commit d33395ac1a
2 changed files with 14 additions and 21 deletions
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16
include/fast_float/ascii_number.h
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@ -11,21 +11,7 @@
#include "float_common.h"
#if defined(FASTFLOAT_X86_SIMD)
#include <emmintrin.h>
#ifdef FASTFLOAT_SSE_PATCH_REWORK
#if FASTFLOAT_X86_SIMD >= 30
#include <pmmintrin.h>
#endif
#if FASTFLOAT_X86_SIMD >= 31
#include <tmmintrin.h>
#endif
#if FASTFLOAT_X86_SIMD >= 41
#include <smmintrin.h>
#endif
#if FASTFLOAT_X86_SIMD >= 42
#include <nmmintrin.h>
#endif
#endif
#include <immintrin.h>
#elif defined(FASTFLOAT_ARM_NEON)
#include <arm_neon.h>
#endif

19
include/fast_float/float_common.h
View File

@ -193,10 +193,15 @@ using parse_options = parse_options_t<char>;
#endif
#ifdef FASTFLOAT_X86_SIMD // user defined level
static_assert(FASTFLOAT_X86_SIMD >= 20 && FASTFLOAT_X86_SIMD <= 42,
"FASTFLOAT_X86_SIMD should be between 20(SSE2) and 42(SSE4.2)");
static_assert(FASTFLOAT_X86_SIMD >= 20 && FASTFLOAT_X86_SIMD <= 52,
"FASTFLOAT_X86_SIMD should be between 20(SSE2) and 42(SSE4.2) "
"and optionally up to 52(AVX2)");
#else // auto detect
#if defined(__SSE4_2__)
#if defined(__AVX2__)
#define FASTFLOAT_X86_SIMD 52
#elif defined(__AVX__) // On MSVC there's no way to check for SSE4.2 specifically so check __AVX__.
#define FASTFLOAT_X86_SIMD 50
#elif defined(__SSE4_2__)
#define FASTFLOAT_X86_SIMD 42
#elif defined(__SSE4_1__)
#define FASTFLOAT_X86_SIMD 41
@ -517,7 +522,8 @@ template <typename T> struct span {
}
};
struct alignas(16) value128 {
/* alignas(16) - better data cache usage wo align */
struct value128 {
uint64_t low;
uint64_t high;
@ -568,7 +574,7 @@ leading_zeroes(uint64_t input_num) noexcept {
return leading_zeroes_generic(input_num);
}
#ifdef FASTFLOAT_VISUAL_STUDIO
#if defined(__AVX2__)
#if FASTFLOAT_X86_SIMD >= 52
// use lzcnt on MSVC only on AVX2 capable CPU's that all have this BMI
// instruction
return __lzcnt64(input_num);
@ -696,7 +702,8 @@ full_multiplication(uint64_t a, uint64_t b) noexcept {
return answer;
}
struct /* alignas(16) */ adjusted_mantissa {
/* alignas(16) - better data cache usage witout align */
struct adjusted_mantissa {
am_mant_t mantissa;
am_pow_t power2;