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Set the x86 SIMD baseline that the code already requires #212

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Set the x86 SIMD baseline that the code already requires #212

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3 changes: 3 additions & 0 deletions ps2xRuntime/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -552,6 +552,9 @@ if(PS2X_IS_VITA)
endif()
endif()

# PUBLIC, so recompiled game code linking against ps2_runtime inherits it.
EnableX86SimdBaseline(ps2_runtime)

if(CMAKE_BUILD_TYPE STREQUAL "Release" OR CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")
EnableFastReleaseMode(ps2_runtime)
EnableFastReleaseMode(ps2EntryRunner)
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15 changes: 15 additions & 0 deletions ps2xRuntime/cmake/ReleaseMode.cmake
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Expand Up @@ -2,6 +2,21 @@ include(CheckIPOSupported)

check_ipo_supported(RESULT IPO_SUPPORTED OUTPUT IPO_ERROR)

# SSE4.1 is required to compile, not an optimisation: ps2_runtime.h includes
# <smmintrin.h> and the recompiler emits SSE4.1-only intrinsics. GCC and Clang
# default to the SSE2 baseline, so those TUs fail without this. Kept out of
# EnableFastReleaseMode because it applies to every configuration, not just
# Release.
function(EnableX86SimdBaseline TargetName)
if(MSVC)
return()
endif()
if(NOT CMAKE_SYSTEM_PROCESSOR MATCHES "^(x86_64|AMD64|amd64|i[3-6]86|x86)$")
return()
endif()
target_compile_options(${TargetName} PUBLIC -msse4.1)
endfunction()

function(EnableFastReleaseMode TargetName)
message("> Enabling optimization for: ${TargetName}")
if(MSVC)
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