51becfbd23
Use the new "/Ob3" flag introduced in VS2019 to increase the inline level, which may give better performance. For compilers older than VS2019, we still use the traditional "/Ob2" inline level. Official documentation: https://learn.microsoft.com/en-us/cpp/build/reference/ob-inline-function-expansion?view=msvc-170 Change-Id: I34a50f27a151cb7c09f0085dd037a385c71848aa Reviewed-by: Thiago Macieira <thiago.macieira@intel.com> Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
129 lines
4.2 KiB
CMake
129 lines
4.2 KiB
CMake
# Copyright (C) 2022 The Qt Company Ltd.
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# SPDX-License-Identifier: BSD-3-Clause
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if (MSVC)
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if (QT_64BIT)
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# SSE2 is mandatory on 64-bit mode, so skip the option. It triggers:
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# cl : Command line warning D9002 : ignoring unknown option '-arch:SSE2'
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set(QT_CFLAGS_SSE2 "")
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else()
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set(QT_CFLAGS_SSE2 "-arch:SSE2")
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endif()
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set(QT_CFLAGS_SSE3 "${QT_CFLAGS_SSE2}")
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set(QT_CFLAGS_SSSE3 "${QT_CFLAGS_SSE2}")
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set(QT_CFLAGS_SSE4_1 "${QT_CFLAGS_SSE2}")
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set(QT_CFLAGS_SSE4_2 "${QT_CFLAGS_SSE2}")
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set(QT_CFLAGS_AESNI "${QT_CFLAGS_SSE2}")
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set(QT_CFLAGS_SHANI "${QT_CFLAGS_SSE2}")
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set(QT_CFLAGS_AVX "-arch:AVX")
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set(QT_CFLAGS_AVX2 "-arch:AVX2")
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set(QT_CFLAGS_F16C "-arch:AVX")
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set(QT_CFLAGS_RDRND "")
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set(QT_CFLAGS_RDSEED "")
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set(QT_CFLAGS_AVX512F "-arch:AVX512")
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set(QT_CFLAGS_AVX512ER "-arch:AVX512")
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set(QT_CFLAGS_AVX512CD "-arch:AVX512")
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set(QT_CFLAGS_AVX512PF "-arch:AVX512")
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set(QT_CFLAGS_AVX512DQ "-arch:AVX512")
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set(QT_CFLAGS_AVX512BW "-arch:AVX512")
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set(QT_CFLAGS_AVX512VL "-arch:AVX512")
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set(QT_CFLAGS_AVX512IFMA "-arch:AVX512")
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set(QT_CFLAGS_AVX512VBMI "-arch:AVX512")
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set(QT_CFLAGS_AVX512VBMI2 "-arch:AVX512")
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set(QT_CFLAGS_VAES "")
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endif()
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if(GCC OR CLANG OR QCC)
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set(QT_CFLAGS_SSE2 "-msse2")
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set(QT_CFLAGS_SSE3 "-msse3")
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set(QT_CFLAGS_SSSE3 "-mssse3")
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set(QT_CFLAGS_SSE4_1 "-msse4.1")
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set(QT_CFLAGS_SSE4_2 "-msse4.2")
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set(QT_CFLAGS_F16C "-mf16c")
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set(QT_CFLAGS_RDRND "-mrdrnd")
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set(QT_CFLAGS_RDSEED "-mrdseed")
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set(QT_CFLAGS_AVX "-mavx")
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set(QT_CFLAGS_AVX2 "-mavx2")
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set(QT_CFLAGS_ARCH_HASWELL "-march=haswell")
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set(QT_CFLAGS_AVX512F "-mavx512f")
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set(QT_CFLAGS_AVX512ER "-mavx512er")
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set(QT_CFLAGS_AVX512CD "-mavx512cd")
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set(QT_CFLAGS_AVX512PF "-mavx512pf")
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set(QT_CFLAGS_AVX512DQ "-mavx512dq")
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set(QT_CFLAGS_AVX512BW "-mavx512bw")
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set(QT_CFLAGS_AVX512VL "-mavx512vl")
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set(QT_CFLAGS_AVX512IFMA "-mavx512ifma")
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set(QT_CFLAGS_AVX512VBMI "-mavx512vbmi")
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set(QT_CFLAGS_AVX512VBMI2 "-mavx512vbmi2")
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set(QT_CFLAGS_AESNI "-maes")
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set(QT_CFLAGS_SHANI "-msha")
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set(QT_CFLAGS_VAES "-mvaes")
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if(NOT UIKIT AND NOT QT_64BIT)
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set(QT_CFLAGS_NEON "-mfpu=neon")
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endif()
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set(QT_CFLAGS_MIPS_DSP "-mdsp")
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set(QT_CFLAGS_MIPS_DSPR2 "-mdspr2")
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endif()
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# Fall through is important, so that more specific flags that might be missing are set by the
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# previous base cases.
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# This mirrors qmake's mkspecs QMAKE_CFLAGS_OPTIMIZE assignments (mostly).
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#
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# TODO: Missing mkspecs flags we don't handle below: win32-clang-g++, win32-clang-msvc, rtems-base
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#
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# gcc and clang base
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if(GCC OR CLANG)
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set(QT_CFLAGS_OPTIMIZE "-O2")
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set(QT_CFLAGS_OPTIMIZE_FULL "-O3")
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set(QT_CFLAGS_OPTIMIZE_DEBUG "-Og")
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set(QT_CFLAGS_OPTIMIZE_SIZE "-Os")
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if(CLANG)
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set(QT_CFLAGS_OPTIMIZE_SIZE "-Oz")
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endif()
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endif()
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# Flags that CMake might set, aka flags the compiler would see as valid values.
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if(GCC OR CLANG OR QCC)
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set(QT_CFLAGS_OPTIMIZE_VALID_VALUES "-O0" "-O1" "-O2" "-O3" "-Os" "-Oz")
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endif()
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# Windows MSVC
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if(MSVC)
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set(QT_CFLAGS_OPTIMIZE "-O2 -Ob3") # -Ob3 was introduced in Visual Studio 2019 version 16.0
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set(QT_CFLAGS_OPTIMIZE_DEBUG "-Od")
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set(QT_CFLAGS_OPTIMIZE_SIZE "-O1")
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set(QT_CFLAGS_OPTIMIZE_VALID_VALUES "/O2" "/O1" "/Od" "/Ob0" "/Ob1" "/Ob2" "/Ob3" "/O0" "-O0")
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if(CLANG)
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set(QT_CFLAGS_OPTIMIZE_FULL "/clang:-O3")
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set(QT_CFLAGS_OPTIMIZE_SIZE "/clang:-Oz")
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endif()
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endif()
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# Android Clang
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if(CLANG AND ANDROID)
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if(QT_FEATURE_ltcg)
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# When using LTCG, the linker cannot cope with -Oz. See QTBUG-89472 for details.
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set(QT_CFLAGS_OPTIMIZE "-O2")
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set(QT_CFLAGS_OPTIMIZE_FULL "-O3")
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else()
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set(QT_CFLAGS_OPTIMIZE "-Oz")
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set(QT_CFLAGS_OPTIMIZE_FULL "-Oz")
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endif()
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endif()
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# qcc
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if (QCC)
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set(QT_CFLAGS_OPTIMIZE "-O2")
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set(QT_CFLAGS_OPTIMIZE_FULL "-O3")
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endif()
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# Emscripten Clang
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if(WASM)
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set(QT_CFLAGS_OPTIMIZE_DEBUG "-O2 -g") # -Og is not supported
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set(QT_CFLAGS_SSE2 "-O2 -msimd128 -msse -msse2")
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endif()
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