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Merge pull request #29283 from pratham-mcw:exp-neon-opt

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Restricting the condition with _M_IX86/_M_X64 so it only applies to x86/x64 MSVC builds. MSVC ARM64 now falls through to the existing `#else` branch, which already has a portable CV_SIMD-based exp32f/exp64f implementation

**Performance Benchmarks:**
<img width="976" height="486" alt="image" src="https://github.com/user-attachments/assets/62daf2c3-34ac-4fc7-92d0-268073f746f3" />

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is proposed to the proper branch
This commit is contained in:
Pratham Kumar
2026-06-17 14:20:58 +05:30
committed by GitHub
parent 6eb0dc97f5
commit 837f715eec
1 changed files with 1 additions and 1 deletions
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modules/core/src/mathfuncs_core.simd.hpp
+1 -1
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@@ -595,7 +595,7 @@ void sqrt64f(const double* src, double* dst, int len)
// Workaround for ICE in MSVS 2015 update 3 (issue #7795)
// CV_AVX is not used here, because generated code is faster in non-AVX mode.
// (tested with disabled IPP on i5-6300U)
#if (defined _MSC_VER && _MSC_VER >= 1900) || defined(__EMSCRIPTEN__)
#if (defined _MSC_VER && _MSC_VER >= 1900 && (defined(_M_IX86) || defined(_M_X64))) || defined(__EMSCRIPTEN__)
void exp32f(const float *src, float *dst, int n)
{
CV_INSTRUMENT_REGION();