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--- build_files/cmake/macros.cmake.orig 2024-06-05 11:47:55 UTC
+++ build_files/cmake/macros.cmake
@@ -546,7 +546,7 @@ macro(TEST_SSE_SUPPORT
# message(STATUS "Detecting SSE support")
if(CMAKE_COMPILER_IS_GNUCC OR (CMAKE_C_COMPILER_ID MATCHES "Clang"))
- set(${_sse42_flags} "-march=x86-64-v2")
+# set(${_sse42_flags} "-march=x86-64-v2")
elseif(MSVC)
# msvc has no specific build flags for SSE42, but when using intrinsics it will
# generate the right instructions.
--- intern/cycles/kernel/device/cpu/kernel.cpp.orig 2024-06-05 11:47:56 UTC
+++ intern/cycles/kernel/device/cpu/kernel.cpp
@@ -10,9 +10,11 @@
#if defined(__x86_64__) || defined(_M_X64)
+/*
# define __KERNEL_SSE__
# define __KERNEL_SSE2__
# define __KERNEL_SSE3__
# define __KERNEL_SSSE3__
# define __KERNEL_SSE42__
+*/
#endif
/* When building kernel for native machine detect kernel features from the flags
--- intern/cycles/util/optimization.h.orig 2024-06-05 11:47:56 UTC
+++ intern/cycles/util/optimization.h
@@ -26,7 +26,9 @@
# elif defined(__x86_64__) || defined(_M_X64)
/* SSE4.2 is our minimum requirement for x86-64 CPUs, so auto enable */
+/*
# define __KERNEL_SSE42__
+*/
/* no SSE4.2 kernel on x86-64, part of regular kernel */
# ifdef WITH_KERNEL_AVX2
# define WITH_CYCLES_OPTIMIZED_KERNEL_AVX2
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