27 lines
1.3 KiB
Text
27 lines
1.3 KiB
Text
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disable code which uses attribute(target_clones) to provide functions
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optimized for different CPUs. apparently clang 15 adds supports for this,
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but we don't have ifunc support in the toolchain, so it fails to link.
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Index: src/common/darktable.h
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--- src/common/darktable.h.orig
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+++ src/common/darktable.h
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@@ -127,18 +127,7 @@ typedef unsigned int u_int;
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/* Create cloned functions for various CPU SSE generations */
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/* See for instructions https://hannes.hauswedell.net/post/2017/12/09/fmv/ */
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/* TL;DR : use only on SIMD functions containing low-level paralellized/vectorized loops */
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-#if __has_attribute(target_clones) && !defined(_WIN32) && !defined(NATIVE_ARCH)
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-# if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64)
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-#define __DT_CLONE_TARGETS__ __attribute__((target_clones("default", "sse2", "sse3", "sse4.1", "sse4.2", "popcnt", "avx", "avx2", "avx512f", "fma4")))
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-# elif defined(__PPC64__)
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-/* __PPC64__ is the only macro tested for in is_supported_platform.h, other macros would fail there anyway. */
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-#define __DT_CLONE_TARGETS__ __attribute__((target_clones("default","cpu=power9")))
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-# else
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#define __DT_CLONE_TARGETS__
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-# endif
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-#else
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-#define __DT_CLONE_TARGETS__
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-#endif
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/* Helper to force stack vectors to be aligned on 64 bits blocks to enable AVX2 */
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#define DT_IS_ALIGNED(x) __builtin_assume_aligned(x, 64)
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