qtbase-opensource-src/mkspecs/features/simd.prf

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#
# W A R N I N G
# -------------
#
# This file is not part of the Qt API. It exists purely as an
# implementation detail. It may change from version to version
# without notice, or even be removed.
#
# We mean it.
#
# Get the SIMD flags
load(qt_build_config)
# Set QT_CPU_FEATURES for convenience
QT_CPU_FEATURES = $$eval(QT_CPU_FEATURES.$$QT_ARCH)
#
# Set up compilers for SIMD (SSE/AVX, NEON etc)
#
defineTest(addSimdCompiler) {
name = $$1
upname = $$upper($$name)
headers_var = $${upname}_HEADERS
sources_var = $${upname}_SOURCES
csources_var = $${upname}_C_SOURCES
asm_var = $${upname}_ASM
CONFIG($$1) {
cflags = $$eval(QMAKE_CFLAGS_$${upname})
ltcg: cflags += $$QMAKE_CFLAGS_DISABLE_LTCG
contains(QT_CPU_FEATURES, $$name) {
# Default compiler settings include this feature, so just add to SOURCES
SOURCES += $$eval($$sources_var)
export(SOURCES)
} else {
# We need special compiler flags
# Split C and C++ sources
$$csources_var = $$find($$sources_var, ".*\\.c$")
$$sources_var -= $$eval($$csources_var)
export($$csources_var)
export($$sources_var)
# Add C++ compiler
$${name}_compiler.commands = $$QMAKE_CXX -c $(CXXFLAGS) $$cflags $(INCPATH) ${QMAKE_FILE_IN}
msvc: $${name}_compiler.commands += -Fo${QMAKE_FILE_OUT}
else: $${name}_compiler.commands += -o ${QMAKE_FILE_OUT}
$${name}_compiler.dependency_type = TYPE_C
$${name}_compiler.output = ${QMAKE_VAR_OBJECTS_DIR}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)}
$${name}_compiler.input = $$sources_var
$${name}_compiler.variable_out = OBJECTS
$${name}_compiler.name = compiling[$${name}] ${QMAKE_FILE_IN}
silent: $${name}_compiler.commands = @echo compiling[$${name}] ${QMAKE_FILE_IN} && $$eval($${name}_compiler.commands)
QMAKE_EXTRA_COMPILERS += $${name}_compiler
export($${name}_compiler.commands)
export($${name}_compiler.dependency_type)
export($${name}_compiler.output)
export($${name}_compiler.input)
export($${name}_compiler.variable_out)
export($${name}_compiler.name)
# Add a C compiler
$${name}_c_compiler.commands = $$QMAKE_CC -c $(CFLAGS) $$cflags $(INCPATH) ${QMAKE_FILE_IN}
msvc: $${name}_c_compiler.commands += -Fo${QMAKE_FILE_OUT}
else: $${name}_c_compiler.commands += -o ${QMAKE_FILE_OUT}
$${name}_c_compiler.dependency_type = TYPE_C
$${name}_c_compiler.output = ${QMAKE_VAR_OBJECTS_DIR}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)}
$${name}_c_compiler.input = $$csources_var
$${name}_c_compiler.variable_out = OBJECTS
$${name}_c_compiler.name = compiling[$${name}] ${QMAKE_FILE_IN}
silent: $${name}_c_compiler.commands = @echo compiling[$${name}] ${QMAKE_FILE_IN} && $$eval($${name}_c_compiler.commands)
QMAKE_EXTRA_COMPILERS += $${name}_c_compiler
export($${name}_c_compiler.commands)
export($${name}_c_compiler.dependency_type)
export($${name}_c_compiler.output)
export($${name}_c_compiler.input)
export($${name}_c_compiler.variable_out)
export($${name}_c_compiler.name)
}
# We always need an assembler (need to run the C compiler and without precompiled headers)
msvc {
# Don't know how to run MSVC's assembler...
!isEmpty($$asm_var): error("Sorry, not implemented: assembling $$upname for MSVC.")
} else: false {
# This is just for the IDE
SOURCES += $$eval($$asm_var)
export(SOURCES)
} else {
$${name}_assembler.commands = $$QMAKE_CC -c $(CFLAGS)
!contains(QT_CPU_FEATURES, $${name}): $${name}_assembler.commands += $$cflags
clang:no_clang_integrated_as: $${name}_assembler.commands += -fno-integrated-as
$${name}_assembler.commands += $(INCPATH) ${QMAKE_FILE_IN} -o ${QMAKE_FILE_OUT}
$${name}_assembler.dependency_type = TYPE_C
$${name}_assembler.output = ${QMAKE_VAR_OBJECTS_DIR}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)}
$${name}_assembler.input = $$asm_var
$${name}_assembler.variable_out = OBJECTS
$${name}_assembler.name = assembling[$${name}] ${QMAKE_FILE_IN}
silent: $${name}_assembler.commands = @echo assembling[$${name}] ${QMAKE_FILE_IN} && $$eval($${name}_assembler.commands)
QMAKE_EXTRA_COMPILERS += $${name}_assembler
export($${name}_assembler.commands)
export($${name}_assembler.dependency_type)
export($${name}_assembler.output)
export($${name}_assembler.input)
export($${name}_assembler.variable_out)
export($${name}_assembler.name)
}
HEADERS += $$eval($$headers_var)
export(HEADERS)
export(QMAKE_EXTRA_COMPILERS)
}
}
addSimdCompiler(sse2)
addSimdCompiler(sse3)
addSimdCompiler(ssse3)
addSimdCompiler(sse4_1)
addSimdCompiler(sse4_2)
addSimdCompiler(aesni)
addSimdCompiler(shani)
addSimdCompiler(vaes)
addSimdCompiler(avx)
addSimdCompiler(avx2)
addSimdCompiler(avx512f)
addSimdCompiler(avx512cd)
addSimdCompiler(avx512er)
addSimdCompiler(avx512pf)
addSimdCompiler(avx512dq)
addSimdCompiler(avx512bw)
addSimdCompiler(avx512vl)
addSimdCompiler(avx512vnni)
addSimdCompiler(avx512ifma)
addSimdCompiler(avx512vbmi)
addSimdCompiler(avx512vbmi2)
addSimdCompiler(avx512bitalg)
addSimdCompiler(avx512vpopcntd)
addSimdCompiler(f16c)
addSimdCompiler(rdrnd)
addSimdCompiler(rdseed)
addSimdCompiler(neon)
addSimdCompiler(mips_dsp)
addSimdCompiler(mips_dspr2)
# Haswell sub-architecture
defineTest(addSimdArch) {
name = arch_$$1
dependencies = $$2
upname = $$upper($$name)
cpu_features_missing =
for(part, dependencies) {
!contains(QT_CPU_FEATURES, $$part): cpu_features_missing = 1
}
CONFIG += $$name
isEmpty(cpu_features_missing): QT_CPU_FEATURES += $$name
export(QT_CPU_FEATURES)
export(CONFIG)
addSimdCompiler($$name)
}
isEmpty(QMAKE_CFLAGS_ARCH_HASWELL): QMAKE_CFLAGS_ARCH_HASWELL = $$QMAKE_CFLAGS_AVX2
avx2: addSimdArch(haswell, avx2 bmi bmi2 f16c fma lzcnt popcnt)
# Follow the Intel compiler's lead and define profiles of AVX512 instructions
defineTest(addAvx512Profile) {
name = $$1
dependencies = $$2
upname = $$upper($$name)
varname = QMAKE_CFLAGS_$$upname
cpu_features_missing =
cflags = $$QMAKE_CFLAGS_ARCH_HASWELL $$QMAKE_CFLAGS_AVX512F
for(part, dependencies) {
!CONFIG($$part): return() # Profile isn't supported by the compiler
uppart = $$upper($$part)
cflags *= $$eval(QMAKE_CFLAGS_$${uppart})
!contains(QT_CPU_FEATURES, $$uppart): cpu_features_missing += $$uppart
}
CONFIG += $$name
isEmpty(cpu_features_missing): QT_CPU_FEATURES += $$name
$$varname = $$cflags
export(QT_CPU_FEATURES)
export(CONFIG)
export($$varname)
addSimdCompiler($$name)
}
addAvx512Profile(avx512common, avx512cd)
addAvx512Profile(avx512core, avx512cd avx512bw avx512dq avx512vl)