GeezerVison

/* auto-generated on 2024-05-07 22:33:11 -0400. Do not edit! */

/* auto-generated on 2024-07-11 00:01:58 -0400. Do not edit! */

/* begin file src/simdutf.cpp */

#include "simdutf.h"

// We include base64_tables once.

struct simd16<bool>: base16<bool> {

static simdutf_really_inline simd16<bool> splat(bool _value) { return vmovq_n_u16(uint16_t(-(!!_value))); }

simdutf_really_inline simd16<bool>() : base16() {}

simdutf_really_inline simd16<bool>(const uint16x8_t _value) : base16<bool>(_value) {}

simdutf_really_inline simd16() : base16() {}

simdutf_really_inline simd16(const uint16x8_t _value) : base16<bool>(_value) {}

// Splat constructor

simdutf_really_inline simd16<bool>(bool _value) : base16<bool>(splat(_value)) {}

simdutf_really_inline simd16(bool _value) : base16<bool>(splat(_value)) {}

};

struct simd16<bool>: base16<bool> {

static simdutf_really_inline simd16<bool> splat(bool _value) { return _mm256_set1_epi16(uint16_t(-(!!_value))); }

simdutf_really_inline simd16<bool>() : base16() {}

simdutf_really_inline simd16<bool>(const __m256i _value) : base16<bool>(_value) {}

simdutf_really_inline simd16() : base16() {}

simdutf_really_inline simd16(const __m256i _value) : base16<bool>(_value) {}

// Splat constructor

simdutf_really_inline simd16<bool>(bool _value) : base16<bool>(splat(_value)) {}

simdutf_really_inline simd16(bool _value) : base16<bool>(splat(_value)) {}

simdutf_really_inline bitmask_type to_bitmask() const { return _mm256_movemask_epi8(*this); }

simdutf_really_inline bool any() const { return !_mm256_testz_si256(*this, *this); }

struct simd16<bool>: base16<bool> {

static simdutf_really_inline simd16<bool> splat(bool _value) { return _mm_set1_epi16(uint16_t(-(!!_value))); }

simdutf_really_inline simd16<bool>() : base16() {}

simdutf_really_inline simd16<bool>(const __m128i _value) : base16<bool>(_value) {}

simdutf_really_inline simd16() : base16() {}

simdutf_really_inline simd16(const __m128i _value) : base16<bool>(_value) {}

// Splat constructor

simdutf_really_inline simd16<bool>(bool _value) : base16<bool>(splat(_value)) {}

simdutf_really_inline simd16(bool _value) : base16<bool>(splat(_value)) {}

simdutf_really_inline int to_bitmask() const { return _mm_movemask_epi8(*this); }

simdutf_really_inline bool any() const { return !_mm_testz_si128(*this, *this); }

// Returns the number of bytes written. The destination buffer must be large

// enough. It will add padding (=) if needed.

size_t tail_encode_base64(char *dst, const char *src, size_t srclen, base64_options options) {

// By default, we use padding if we are not using the URL variant.

// This is check with ((options & base64_url) == 0) which returns true if we are not using the URL variant.

// However, we also allow 'inversion' of the convention with the base64_reverse_padding option.

// If the base64_reverse_padding option is set, we use padding if we are using the URL variant,

// and we omit it if we are not using the URL variant. This is checked with

// ((options & base64_reverse_padding) == base64_reverse_padding).

bool use_padding = ((options & base64_url) == 0) ^ ((options & base64_reverse_padding) == base64_reverse_padding);

// This looks like 3 branches, but we expect the compiler to resolve this to a single branch:

const char *e0 = (options & base64_url) ? tables::base64::base64_url::e0 : tables::base64::base64_default::e0;

const char *e1 = (options & base64_url) ? tables::base64::base64_url::e1 : tables::base64::base64_default::e1;

t1 = uint8_t(src[i]);

*out++ = e0[t1];

*out++ = e1[(t1 & 0x03) << 4];

if((options & base64_url) == 0) {

if(use_padding) {

*out++ = '=';

*out++ = '=';

}

*out++ = e0[t1];

*out++ = e1[((t1 & 0x03) << 4) | ((t2 >> 4) & 0x0F)];

*out++ = e2[(t2 & 0x0F) << 2];

if((options & base64_url) == 0) {

if(use_padding) {

*out++ = '=';

}

}

}

simdutf_warn_unused size_t base64_length_from_binary(size_t length, base64_options options) noexcept {

if(options & base64_url) {

// By default, we use padding if we are not using the URL variant.

// This is check with ((options & base64_url) == 0) which returns true if we are not using the URL variant.

// However, we also allow 'inversion' of the convention with the base64_reverse_padding option.

// If the base64_reverse_padding option is set, we use padding if we are using the URL variant,

// and we omit it if we are not using the URL variant. This is checked with

// ((options & base64_reverse_padding) == base64_reverse_padding).

bool use_padding = ((options & base64_url) == 0) ^ ((options & base64_reverse_padding) == base64_reverse_padding);

if(!use_padding) {

return length/3 * 4 + ((length % 3) ? (length % 3) + 1 : 0);

}

return (length + 2)/3 * 4; // We use padding to make the length a multiple of 4.

// can avoid the call to compress_block and decode directly.

copy_block(&b, bufferptr);

bufferptr += 64;

// base64_decode_block(dst, &b);

// dst += 48;

}

if (bufferptr >= (block_size - 1) * 64 + buffer) {

for (size_t i = 0; i < (block_size - 1); i++) {

return _mm256_add_epi8(result, input);

}

template <base64_options options>

size_t encode_base64(char *dst, const char *src, size_t srclen) {

template <bool isbase64url>

size_t encode_base64(char *dst, const char *src, size_t srclen, base64_options options) {

// credit: Wojciech Muła

const uint8_t *input = (const uint8_t *)src;

const __m256i input3 = _mm256_or_si256(t1_3, t3_3);

_mm256_storeu_si256(reinterpret_cast<__m256i *>(out),

lookup_pshufb_improved<options == base64_url>(input0));

lookup_pshufb_improved<isbase64url>(input0));

out += 32;

_mm256_storeu_si256(reinterpret_cast<__m256i *>(out),

lookup_pshufb_improved<options == base64_url>(input1));

lookup_pshufb_improved<isbase64url>(input1));

out += 32;

_mm256_storeu_si256(reinterpret_cast<__m256i *>(out),

lookup_pshufb_improved<options == base64_url>(input2));

lookup_pshufb_improved<isbase64url>(input2));

out += 32;

_mm256_storeu_si256(reinterpret_cast<__m256i *>(out),

lookup_pshufb_improved<options == base64_url>(input3));

lookup_pshufb_improved<isbase64url>(input3));

out += 32;

}

for (; i + 28 <= srclen; i += 24) {

const __m256i indices = _mm256_or_si256(t1, t3);

_mm256_storeu_si256(reinterpret_cast<__m256i *>(out),

lookup_pshufb_improved<options == base64_url>(indices));

lookup_pshufb_improved<isbase64url>(indices));

out += 32;

}

return i / 3 * 4 + scalar::base64::tail_encode_base64((char *)out, src + i,

size_t implementation::binary_to_base64(const char * input, size_t length, char* output, base64_options options) const noexcept {

if(options & base64_url) {

return encode_base64<base64_url>(output, input, length);

return encode_base64<true>(output, input, length, options);

} else {

return encode_base64<base64_default>(output, input, length);

return encode_base64<false>(output, input, length, options);

}

}

} // namespace haswell

return _mm_add_epi8(result, input);

}

template <base64_options options>

size_t encode_base64(char *dst, const char *src, size_t srclen) {

template <bool isbase64url>

size_t encode_base64(char *dst, const char *src, size_t srclen, base64_options options) {

// credit: Wojciech Muła

// SSE (lookup: pshufb improved unrolled)

const uint8_t *input = (const uint8_t *)src;

const __m128i input3 = _mm_or_si128(t1_3, t3_3);

_mm_storeu_si128(reinterpret_cast<__m128i *>(out),

lookup_pshufb_improved<options & base64_url>(input0));

lookup_pshufb_improved<isbase64url>(input0));

out += 16;

_mm_storeu_si128(reinterpret_cast<__m128i *>(out),

lookup_pshufb_improved<options & base64_url>(input1));

lookup_pshufb_improved<isbase64url>(input1));

out += 16;

_mm_storeu_si128(reinterpret_cast<__m128i *>(out),

lookup_pshufb_improved<options & base64_url>(input2));

lookup_pshufb_improved<isbase64url>(input2));

out += 16;

_mm_storeu_si128(reinterpret_cast<__m128i *>(out),

lookup_pshufb_improved<options & base64_url>(input3));

lookup_pshufb_improved<isbase64url>(input3));

out += 16;

}

for (; i + 16 <= srclen; i += 12) {

const __m128i indices = _mm_or_si128(t1, t3);

_mm_storeu_si128(reinterpret_cast<__m128i *>(out),

lookup_pshufb_improved<options & base64_url>(indices));

lookup_pshufb_improved<isbase64url>(indices));

out += 16;

}

}

size_t implementation::binary_to_base64(const char * input, size_t length, char* output, base64_options options) const noexcept {

if(options == base64_url) {

return encode_base64<base64_url>(output, input, length);

if(options & base64_url) {

return encode_base64<true>(output, input, length, options);

} else {

return encode_base64<base64_default>(output, input, length);

return encode_base64<false>(output, input, length, options);

}

}

} // namespace westmere

#ifndef SIMDUTF_H

#define SIMDUTF_H

#define SIMDUTF_SIMDUTF_VERSION_H

#define SIMDUTF_VERSION "5.2.8"

#define SIMDUTF_VERSION "5.3.0"

namespace simdutf {

enum {

/**

SIMDUTF_VERSION_MINOR = 2,

SIMDUTF_VERSION_MINOR = 3,

/**

SIMDUTF_VERSION_REVISION = 8

SIMDUTF_VERSION_REVISION = 0

};

} // namespace simdutf

using base64_options = uint64_t;

using base64_options = uint64_t;

enum : base64_options {

base64_default = 0, /* standard base64 format */

base64_url = 1 /* base64url format*/

base64_default = 0, /* standard base64 format (with padding) */

base64_url = 1, /* base64url format (no padding) */

base64_reverse_padding = 2, /* modifier for base64_default and base64_url */

base64_default_no_padding = base64_default | base64_reverse_padding, /* standard base64 format without padding */

base64_url_with_padding = base64_url | base64_reverse_padding, /* base64url with padding */

};

simdutf_warn_unused size_t base64_length_from_binary(size_t length, base64_options options = base64_default) noexcept;

simdutf_warn_unused virtual size_t base64_length_from_binary(size_t length, base64_options options = base64_default) const noexcept = 0;

/**