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build: Target same CPU architecture level as PS4. (#2763)

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squidbus 2025-04-09 00:54:39 -07:00 • committed by GitHub
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1 changed files with 3 additions and 3 deletions
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CMakeLists.txt
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@ -54,9 +54,9 @@ else()
endif()
if (ARCHITECTURE STREQUAL "x86_64")
# Target Sandy Bridge as a reasonable subset of instructions supported by PS4 and host CPUs.
# Note that the native PS4 architecture 'btver2' has been attempted but causes issues with M1 CPUs.
add_compile_options(-march=sandybridge -mtune=generic)
# Target the same CPU architecture as the PS4, to maintain the same level of compatibility.
# Exclude SSE4a as it is only available on AMD CPUs.
add_compile_options(-march=btver2 -mtune=generic -mno-sse4a)
endif()
if (APPLE AND ARCHITECTURE STREQUAL "x86_64" AND CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "arm64")