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[pull] master from google:master #267

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Merged
merged 7 commits into from
Oct 24, 2025
Merged

[pull] master from google:master #267

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48b443b
Fix
miladfarca Oct 23, 2025
cfdeec5
Use C headers for `stdarg` and `stdio`
gburgessiv Oct 24, 2025
743d073
Re-enabled BF16 on x86 in debug builds with Clang 22 or later
johnplatts Oct 24, 2025
961f136
Merge pull request #2777 from miladfarca:822598690-fix
copybara-github Oct 24, 2025
b853b76
Adjusted hwy/base.h to enable BF16 on x86 with Clang 22.1.1 or later
johnplatts Oct 24, 2025
989a498
GCC 15 removed avx10.2-512 target
jan-wassenberg Oct 24, 2025
9a5d6bd
Merge pull request #2781 from johnplatts:hwy_x86_clang22_bf16_102425
copybara-github Oct 24, 2025
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10 changes: 5 additions & 5 deletions hwy/base.h
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Original file line number Diff line number Diff line change
Expand Up @@ -22,8 +22,8 @@
#include <stddef.h>
#include <stdint.h>
#if defined(HWY_HEADER_ONLY)
#include <cstdarg>
#include <cstdio>
#include <stdarg.h>
#include <stdio.h>
#endif

#if !defined(HWY_NO_LIBCXX)
Expand Down Expand Up @@ -1744,9 +1744,9 @@ HWY_F16_CONSTEXPR inline std::partial_ordering operator<=>(
// bf16 <-> f32 in convert_test results in 0x2525 for 1.0 instead of 0x3f80.
// Reported at https://github.com/llvm/llvm-project/issues/151692.
#ifndef HWY_SSE2_HAVE_SCALAR_BF16_TYPE
#if HWY_ARCH_X86 && defined(__SSE2__) && \
((HWY_COMPILER_CLANG >= 1700 && !HWY_COMPILER_CLANGCL && \
!HWY_IS_DEBUG_BUILD) || \
#if HWY_ARCH_X86 && defined(__SSE2__) && \
((HWY_COMPILER_CLANG >= 1700 && !HWY_COMPILER_CLANGCL && \
(!HWY_IS_DEBUG_BUILD || HWY_COMPILER3_CLANG >= 220101)) || \
HWY_COMPILER_GCC_ACTUAL >= 1300)
#define HWY_SSE2_HAVE_SCALAR_BF16_TYPE 1
#else
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2 changes: 1 addition & 1 deletion hwy/contrib/thread_pool/thread_pool.h
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Expand Up @@ -1605,7 +1605,7 @@ class alignas(HWY_ALIGNMENT) ThreadPool {
// Returns whether threads were used. If not, there is no need to update
// the autotuner config.
template <class Closure>
bool RunWithoutAutotune(uint64_t begin, uint64_t end, pool::Caller caller,
bool RunWithoutAutotune(uint64_t begin, uint64_t end, HWY_MAYBE_UNUSED pool::Caller caller,
const Closure& closure) {
pool::Worker& main = workers_[0];

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9 changes: 5 additions & 4 deletions hwy/ops/set_macros-inl.h
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Expand Up @@ -187,12 +187,13 @@
#define HWY_TARGET_STR_AVX3_SPR HWY_TARGET_STR_AVX3_ZEN4
#endif

#if HWY_COMPILER_GCC_ACTUAL >= 1500 || HWY_COMPILER_CLANG >= 2200
#if HWY_HAVE_EVEX512
// Support for avx10.2-512 was removed between clang 22 and 23 without a
// feature test macro.
#if HWY_COMPILER_CLANG >= 2200 && HWY_HAVE_EVEX512
#define HWY_TARGET_STR_AVX10_2 HWY_TARGET_STR_AVX3_SPR ",avx10.2-512"
#else
// Recent compilers drop the -512 suffix because 512 bits are always available.
#elif HWY_COMPILER_GCC_ACTUAL >= 1500 || HWY_COMPILER_CLANG >= 2200
#define HWY_TARGET_STR_AVX10_2 HWY_TARGET_STR_AVX3_SPR ",avx10.2"
#endif // HWY_HAVE_EVEX512
#else
#define HWY_TARGET_STR_AVX10_2 HWY_TARGET_STR_AVX3_SPR
#endif
Expand Down