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Avoid -Wsign-conversion warnings in from_chars_x86.hpp

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This commit is contained in:
Peter Dimov
2026-01-05 17:56:10 +02:00
parent f852d61bee
commit 2b387b4638
1 changed files with 10 additions and 10 deletions
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20
include/boost/uuid/detail/from_chars_x86.hpp
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@@ -52,7 +52,7 @@ namespace detail {
BOOST_FORCEINLINE std::uint32_t countr_zero_nz(std::uint32_t n) noexcept
{
#if defined(__GNUC__) || defined(__clang__)
return __builtin_ctz(n);
return static_cast<std::uint32_t>(__builtin_ctz(n));
#elif defined(_MSC_VER) && !defined(__clang__)
unsigned long index;
_BitScanForward(&index, n);
@@ -491,7 +491,7 @@ struct from_chars_simd_load_traits< Char, 1u >
static BOOST_FORCEINLINE __m128i load_packed_4(const Char* p) noexcept
{
return _mm_cvtsi32_si128(detail::load_native_u32(p));
return _mm_cvtsi32_si128(static_cast<int>(detail::load_native_u32(p)));
}
static BOOST_FORCEINLINE __m128i load_packed_n(const Char* p, unsigned int n) noexcept
@@ -513,11 +513,11 @@ struct from_chars_simd_load_traits< Char, 1u >
chars = (chars << 16u) | static_cast< std::uint32_t >(detail::load_native_u16(p));
}
__m128i mm_chars = _mm_cvtsi32_si128(chars);
__m128i mm_chars = _mm_cvtsi32_si128(static_cast<int>(chars));
if ((n & 4u) != 0u)
{
p -= 4;
mm_chars = _mm_unpacklo_epi32(_mm_cvtsi32_si128(detail::load_native_u32(p)), mm_chars);
mm_chars = _mm_unpacklo_epi32(_mm_cvtsi32_si128(static_cast<int>(detail::load_native_u32(p))), mm_chars);
}
if ((n & 8u) != 0u)
@@ -569,7 +569,7 @@ struct from_chars_simd_load_traits< Char, 2u >
if ((n & 2u) != 0u)
{
p -= 2;
mm_chars1 = _mm_unpacklo_epi32(_mm_cvtsi32_si128(detail::load_native_u32(p)), mm_chars1);
mm_chars1 = _mm_unpacklo_epi32(_mm_cvtsi32_si128(static_cast<int>(detail::load_native_u32(p))), mm_chars1);
}
if ((n & 4u) != 0u)
@@ -643,7 +643,7 @@ struct from_chars_simd_load_traits< Char, 4u >
if ((n & 1u) != 0u)
{
p -= 1;
mm_chars1 = _mm_cvtsi32_si128(detail::load_native_u32(p));
mm_chars1 = _mm_cvtsi32_si128(static_cast<int>(detail::load_native_u32(p)));
}
if ((n & 2u) != 0u)
@@ -713,7 +713,7 @@ BOOST_FORCEINLINE void from_chars_simd_core
{
// Some of the dashes are missing
mm_dashes = _mm_and_si128(mm_dashes, constants::mm_dashes_mask);
std::uint32_t dash_mask = _mm_movemask_epi8(_mm_cmpeq_epi8(mm_dashes, mm_expected_dashes));
std::uint32_t dash_mask = static_cast<std::uint32_t>(_mm_movemask_epi8(_mm_cmpeq_epi8(mm_dashes, mm_expected_dashes)));
unsigned int pos = detail::countr_zero_nz(~dash_mask) + 8u;
if (pos < end_pos)
{
@@ -811,7 +811,7 @@ BOOST_FORCEINLINE void from_chars_simd_core
mm_char_code_pattern_lo = _mm_add_epi8(mm_char_code_pattern_lo, constants::mm_2);
mm_char_code_pattern_hi = _mm_add_epi8(mm_char_code_pattern_hi, constants::mm_2);
const __m128i mm_char_code_sub = _mm_cvtsi32_si128(char_code_sub);
const __m128i mm_char_code_sub = _mm_cvtsi32_si128(static_cast<int>(char_code_sub));
__m128i mm_char_code_sub_lo = _mm_shuffle_epi8(mm_char_code_sub, mm_char_code_pattern_lo);
__m128i mm_char_code_sub_hi = _mm_shuffle_epi8(mm_char_code_sub, mm_char_code_pattern_hi);
#else
@@ -850,8 +850,8 @@ BOOST_FORCEINLINE void from_chars_simd_core
mm_hi_bits_lo = _mm_cmpeq_epi8(mm_hi_bits_lo, mm_0);
mm_hi_bits_hi = _mm_cmpeq_epi8(mm_hi_bits_hi, mm_0);
std::uint32_t digits_mask_lo = _mm_movemask_epi8(mm_hi_bits_lo);
std::uint32_t digits_mask_hi = _mm_movemask_epi8(mm_hi_bits_hi);
std::uint32_t digits_mask_lo = static_cast<std::uint32_t>(_mm_movemask_epi8(mm_hi_bits_lo));
std::uint32_t digits_mask_hi = static_cast<std::uint32_t>(_mm_movemask_epi8(mm_hi_bits_hi));
unsigned int pos_lo = detail::countr_zero_nz(~digits_mask_lo) * 2u + 1u;
unsigned int pos_hi = detail::countr_zero_nz(~digits_mask_hi) * 2u;