b678445901
Due to common subexpression elimination instruction set extensions may leak from the objects where they were enabled when doing link-time optimizations. To avoid that this patch disables LTCG/LTO on files built with extra instruction set extensions. Change-Id: Ie34ad900be7fb04a0dc4d3562187ee170c183333 Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com> Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
101 lines
3.9 KiB
Plaintext
101 lines
3.9 KiB
Plaintext
#
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# W A R N I N G
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# -------------
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#
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# This file is not part of the Qt API. It exists purely as an
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# implementation detail. It may change from version to version
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# without notice, or even be removed.
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#
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# We mean it.
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#
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# Get the SIMD flags
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load(qt_build_config)
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# Set QT_CPU_FEATURES for convenience
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QT_CPU_FEATURES = $$eval(QT_CPU_FEATURES.$$QT_ARCH)
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#
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# Set up compilers for SIMD (SSE/AVX, NEON etc)
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#
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defineTest(addSimdCompiler) {
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name = $$1
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upname = $$upper($$name)
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headers_var = $${upname}_HEADERS
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sources_var = $${upname}_SOURCES
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asm_var = $${upname}_ASM
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CONFIG($$1) {
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cflags = $$eval(QMAKE_CFLAGS_$${upname})
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ltcg: cflags += $$QMAKE_CFLAGS_DISABLE_LTCG
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contains(QT_CPU_FEATURES, $$name) {
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# Default compiler settings include this feature, so just add to SOURCES
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SOURCES += $$eval($$sources_var)
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export(SOURCES)
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} else {
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# We need special compiler flags
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$${name}_compiler.commands = $$QMAKE_CXX -c $(CXXFLAGS) $$cflags $(INCPATH) ${QMAKE_FILE_IN}
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msvc: $${name}_compiler.commands += -Fo${QMAKE_FILE_OUT}
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else: $${name}_compiler.commands += -o ${QMAKE_FILE_OUT}
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$${name}_compiler.dependency_type = TYPE_C
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$${name}_compiler.output = ${QMAKE_VAR_OBJECTS_DIR}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)}
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$${name}_compiler.input = $$sources_var
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$${name}_compiler.variable_out = OBJECTS
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$${name}_compiler.name = compiling[$${name}] ${QMAKE_FILE_IN}
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silent: $${name}_compiler.commands = @echo compiling[$${name}] ${QMAKE_FILE_IN} && $$eval($${name}_compiler.commands)
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QMAKE_EXTRA_COMPILERS += $${name}_compiler
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export($${name}_compiler.commands)
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export($${name}_compiler.dependency_type)
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export($${name}_compiler.output)
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export($${name}_compiler.input)
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export($${name}_compiler.variable_out)
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export($${name}_compiler.name)
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}
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# We always need an assembler (need to run the C compiler and without precompiled headers)
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msvc {
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# Don't know how to run MSVC's assembler...
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!isEmpty($$asm_var): error("Sorry, not implemented: assembling $$upname for MSVC.")
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} else: false {
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# This is just for the IDE
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SOURCES += $$eval($$asm_var)
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export(SOURCES)
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} else {
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$${name}_assembler.commands = $$QMAKE_CC -c $(CFLAGS)
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!contains(QT_CPU_FEATURES, $${name}): $${name}_assembler.commands += $$cflags
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clang:no_clang_integrated_as: $${name}_assembler.commands += -fno-integrated-as
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$${name}_assembler.commands += $(INCPATH) ${QMAKE_FILE_IN} -o ${QMAKE_FILE_OUT}
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$${name}_assembler.dependency_type = TYPE_C
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$${name}_assembler.output = ${QMAKE_VAR_OBJECTS_DIR}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)}
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$${name}_assembler.input = $$asm_var
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$${name}_assembler.variable_out = OBJECTS
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$${name}_assembler.name = assembling[$${name}] ${QMAKE_FILE_IN}
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silent: $${name}_assembler.commands = @echo assembling[$${name}] ${QMAKE_FILE_IN} && $$eval($${name}_assembler.commands)
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QMAKE_EXTRA_COMPILERS += $${name}_assembler
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export($${name}_assembler.commands)
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export($${name}_assembler.dependency_type)
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export($${name}_assembler.output)
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export($${name}_assembler.input)
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export($${name}_assembler.variable_out)
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export($${name}_assembler.name)
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}
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HEADERS += $$eval($$headers_var)
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export(HEADERS)
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export(QMAKE_EXTRA_COMPILERS)
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}
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}
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addSimdCompiler(sse2)
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addSimdCompiler(sse3)
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addSimdCompiler(ssse3)
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addSimdCompiler(sse4_1)
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addSimdCompiler(sse4_2)
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addSimdCompiler(avx)
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addSimdCompiler(avx2)
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addSimdCompiler(neon)
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addSimdCompiler(mips_dsp)
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addSimdCompiler(mips_dspr2)
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