Brecht Van Lommel
a84a8a528d
While keeping SSE2, SSE4.1 and AVX2. This does not affect hardware support, it only slightly reduces performance for some older CPUs. To reduce maintenance cost and improve compile times. Differential Revision: https://developer.blender.org/D16978
56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
/* SPDX-License-Identifier: Apache-2.0
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* Copyright 2011-2022 Blender Foundation */
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#ifndef __UTIL_OPTIMIZATION_H__
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#define __UTIL_OPTIMIZATION_H__
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#ifndef __KERNEL_GPU__
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/* x86
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*
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* Compile a regular, SSE2 and SSE3 kernel. */
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# if defined(i386) || defined(_M_IX86)
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/* We require minimum SSE2 support on x86, so auto enable. */
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# define __KERNEL_SSE2__
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# ifdef WITH_KERNEL_SSE2
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# define WITH_CYCLES_OPTIMIZED_KERNEL_SSE2
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# endif
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/* x86-64
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*
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* Compile a regular (includes SSE2), SSE3, SSE 4.1, AVX and AVX2 kernel. */
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# elif defined(__x86_64__) || defined(_M_X64)
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/* SSE2 is always available on x86-64 CPUs, so auto enable */
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# define __KERNEL_SSE2__
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/* no SSE2 kernel on x86-64, part of regular kernel */
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# ifdef WITH_KERNEL_SSE41
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# define WITH_CYCLES_OPTIMIZED_KERNEL_SSE41
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# endif
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# ifdef WITH_KERNEL_AVX2
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# define WITH_CYCLES_OPTIMIZED_KERNEL_AVX2
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# endif
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/* Arm Neon
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*
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* Compile a SSE4 kernel emulated with Neon. Most code is shared with
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* SSE, some specializations for performance and compatibility are made
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* made testing for __KERNEL_NEON__. */
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# elif defined(__ARM_NEON) && defined(WITH_SSE2NEON)
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# define __KERNEL_NEON__
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# define __KERNEL_SSE__
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# define __KERNEL_SSE2__
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# define __KERNEL_SSE3__
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# define __KERNEL_SSE41__
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# endif
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#endif
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#endif /* __UTIL_OPTIMIZATION_H__ */
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