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c++ source #1
Output
Compile to binary object
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Execute the code
Intel asm syntax
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Verbose demangling
Filters
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Debug intrinsics
Compiler
6502-c++ 11.1.0
ARM GCC 10.2.0
ARM GCC 10.3.0
ARM GCC 10.4.0
ARM GCC 10.5.0
ARM GCC 11.1.0
ARM GCC 11.2.0
ARM GCC 11.3.0
ARM GCC 11.4.0
ARM GCC 12.1.0
ARM GCC 12.2.0
ARM GCC 12.3.0
ARM GCC 12.4.0
ARM GCC 13.1.0
ARM GCC 13.2.0
ARM GCC 13.2.0 (unknown-eabi)
ARM GCC 13.3.0
ARM GCC 13.3.0 (unknown-eabi)
ARM GCC 14.1.0
ARM GCC 14.1.0 (unknown-eabi)
ARM GCC 14.2.0
ARM GCC 14.2.0 (unknown-eabi)
ARM GCC 4.5.4
ARM GCC 4.6.4
ARM GCC 5.4
ARM GCC 6.3.0
ARM GCC 6.4.0
ARM GCC 7.3.0
ARM GCC 7.5.0
ARM GCC 8.2.0
ARM GCC 8.5.0
ARM GCC 9.3.0
ARM GCC 9.4.0
ARM GCC 9.5.0
ARM GCC trunk
ARM gcc 10.2.1 (none)
ARM gcc 10.3.1 (2021.07 none)
ARM gcc 10.3.1 (2021.10 none)
ARM gcc 11.2.1 (none)
ARM gcc 5.4.1 (none)
ARM gcc 7.2.1 (none)
ARM gcc 8.2 (WinCE)
ARM gcc 8.3.1 (none)
ARM gcc 9.2.1 (none)
ARM msvc v19.0 (WINE)
ARM msvc v19.10 (WINE)
ARM msvc v19.14 (WINE)
ARM64 Morello gcc 10.1 Alpha 2
ARM64 gcc 10.2
ARM64 gcc 10.3
ARM64 gcc 10.4
ARM64 gcc 10.5.0
ARM64 gcc 11.1
ARM64 gcc 11.2
ARM64 gcc 11.3
ARM64 gcc 11.4.0
ARM64 gcc 12.1
ARM64 gcc 12.2.0
ARM64 gcc 12.3.0
ARM64 gcc 12.4.0
ARM64 gcc 13.1.0
ARM64 gcc 13.2.0
ARM64 gcc 13.3.0
ARM64 gcc 14.1.0
ARM64 gcc 14.2.0
ARM64 gcc 4.9.4
ARM64 gcc 5.4
ARM64 gcc 5.5.0
ARM64 gcc 6.3
ARM64 gcc 6.4
ARM64 gcc 7.3
ARM64 gcc 7.5
ARM64 gcc 8.2
ARM64 gcc 8.5
ARM64 gcc 9.3
ARM64 gcc 9.4
ARM64 gcc 9.5
ARM64 gcc trunk
ARM64 msvc v19.14 (WINE)
AVR gcc 10.3.0
AVR gcc 11.1.0
AVR gcc 12.1.0
AVR gcc 12.2.0
AVR gcc 12.3.0
AVR gcc 12.4.0
AVR gcc 13.1.0
AVR gcc 13.2.0
AVR gcc 13.3.0
AVR gcc 14.1.0
AVR gcc 14.2.0
AVR gcc 4.5.4
AVR gcc 4.6.4
AVR gcc 5.4.0
AVR gcc 9.2.0
AVR gcc 9.3.0
Arduino Mega (1.8.9)
Arduino Uno (1.8.9)
BPF clang (trunk)
BPF clang 13.0.0
BPF clang 14.0.0
BPF clang 15.0.0
BPF clang 16.0.0
BPF clang 17.0.1
BPF clang 18.1.0
BPF clang 19.1.0
BPF gcc 13.1.0
BPF gcc 13.2.0
BPF gcc 13.3.0
BPF gcc trunk
EDG (experimental reflection)
EDG 6.5
EDG 6.5 (GNU mode gcc 13)
EDG 6.6
EDG 6.6 (GNU mode gcc 13)
FRC 2019
FRC 2020
FRC 2023
HPPA gcc 14.2.0
KVX ACB 4.1.0 (GCC 7.5.0)
KVX ACB 4.1.0-cd1 (GCC 7.5.0)
KVX ACB 4.10.0 (GCC 10.3.1)
KVX ACB 4.11.1 (GCC 10.3.1)
KVX ACB 4.12.0 (GCC 11.3.0)
KVX ACB 4.2.0 (GCC 7.5.0)
KVX ACB 4.3.0 (GCC 7.5.0)
KVX ACB 4.4.0 (GCC 7.5.0)
KVX ACB 4.6.0 (GCC 9.4.1)
KVX ACB 4.8.0 (GCC 9.4.1)
KVX ACB 4.9.0 (GCC 9.4.1)
KVX ACB 5.0.0 (GCC 12.2.1)
KVX ACB 5.2.0 (GCC 13.2.1)
LoongArch64 clang (trunk)
LoongArch64 clang 17.0.1
LoongArch64 clang 18.1.0
LoongArch64 clang 19.1.0
M68K gcc 13.1.0
M68K gcc 13.2.0
M68K gcc 13.3.0
M68K gcc 14.1.0
M68K gcc 14.2.0
M68k clang (trunk)
MRISC32 gcc (trunk)
MSP430 gcc 4.5.3
MSP430 gcc 5.3.0
MSP430 gcc 6.2.1
MinGW clang 14.0.3
MinGW clang 14.0.6
MinGW clang 15.0.7
MinGW clang 16.0.0
MinGW clang 16.0.2
MinGW gcc 11.3.0
MinGW gcc 12.1.0
MinGW gcc 12.2.0
MinGW gcc 13.1.0
RISC-V (32-bits) gcc (trunk)
RISC-V (32-bits) gcc 10.2.0
RISC-V (32-bits) gcc 10.3.0
RISC-V (32-bits) gcc 11.2.0
RISC-V (32-bits) gcc 11.3.0
RISC-V (32-bits) gcc 11.4.0
RISC-V (32-bits) gcc 12.1.0
RISC-V (32-bits) gcc 12.2.0
RISC-V (32-bits) gcc 12.3.0
RISC-V (32-bits) gcc 12.4.0
RISC-V (32-bits) gcc 13.1.0
RISC-V (32-bits) gcc 13.2.0
RISC-V (32-bits) gcc 13.3.0
RISC-V (32-bits) gcc 14.1.0
RISC-V (32-bits) gcc 14.2.0
RISC-V (32-bits) gcc 8.2.0
RISC-V (32-bits) gcc 8.5.0
RISC-V (32-bits) gcc 9.4.0
RISC-V (64-bits) gcc (trunk)
RISC-V (64-bits) gcc 10.2.0
RISC-V (64-bits) gcc 10.3.0
RISC-V (64-bits) gcc 11.2.0
RISC-V (64-bits) gcc 11.3.0
RISC-V (64-bits) gcc 11.4.0
RISC-V (64-bits) gcc 12.1.0
RISC-V (64-bits) gcc 12.2.0
RISC-V (64-bits) gcc 12.3.0
RISC-V (64-bits) gcc 12.4.0
RISC-V (64-bits) gcc 13.1.0
RISC-V (64-bits) gcc 13.2.0
RISC-V (64-bits) gcc 13.3.0
RISC-V (64-bits) gcc 14.1.0
RISC-V (64-bits) gcc 14.2.0
RISC-V (64-bits) gcc 8.2.0
RISC-V (64-bits) gcc 8.5.0
RISC-V (64-bits) gcc 9.4.0
RISC-V rv32gc clang (trunk)
RISC-V rv32gc clang 10.0.0
RISC-V rv32gc clang 10.0.1
RISC-V rv32gc clang 11.0.0
RISC-V rv32gc clang 11.0.1
RISC-V rv32gc clang 12.0.0
RISC-V rv32gc clang 12.0.1
RISC-V rv32gc clang 13.0.0
RISC-V rv32gc clang 13.0.1
RISC-V rv32gc clang 14.0.0
RISC-V rv32gc clang 15.0.0
RISC-V rv32gc clang 16.0.0
RISC-V rv32gc clang 17.0.1
RISC-V rv32gc clang 18.1.0
RISC-V rv32gc clang 19.1.0
RISC-V rv32gc clang 9.0.0
RISC-V rv32gc clang 9.0.1
RISC-V rv64gc clang (trunk)
RISC-V rv64gc clang 10.0.0
RISC-V rv64gc clang 10.0.1
RISC-V rv64gc clang 11.0.0
RISC-V rv64gc clang 11.0.1
RISC-V rv64gc clang 12.0.0
RISC-V rv64gc clang 12.0.1
RISC-V rv64gc clang 13.0.0
RISC-V rv64gc clang 13.0.1
RISC-V rv64gc clang 14.0.0
RISC-V rv64gc clang 15.0.0
RISC-V rv64gc clang 16.0.0
RISC-V rv64gc clang 17.0.1
RISC-V rv64gc clang 18.1.0
RISC-V rv64gc clang 19.1.0
RISC-V rv64gc clang 9.0.0
RISC-V rv64gc clang 9.0.1
Raspbian Buster
Raspbian Stretch
SPARC LEON gcc 12.2.0
SPARC LEON gcc 12.3.0
SPARC LEON gcc 12.4.0
SPARC LEON gcc 13.1.0
SPARC LEON gcc 13.2.0
SPARC LEON gcc 13.3.0
SPARC LEON gcc 14.1.0
SPARC LEON gcc 14.2.0
SPARC gcc 12.2.0
SPARC gcc 12.3.0
SPARC gcc 12.4.0
SPARC gcc 13.1.0
SPARC gcc 13.2.0
SPARC gcc 13.3.0
SPARC gcc 14.1.0
SPARC gcc 14.2.0
SPARC64 gcc 12.2.0
SPARC64 gcc 12.3.0
SPARC64 gcc 12.4.0
SPARC64 gcc 13.1.0
SPARC64 gcc 13.2.0
SPARC64 gcc 13.3.0
SPARC64 gcc 14.1.0
SPARC64 gcc 14.2.0
TI C6x gcc 12.2.0
TI C6x gcc 12.3.0
TI C6x gcc 12.4.0
TI C6x gcc 13.1.0
TI C6x gcc 13.2.0
TI C6x gcc 13.3.0
TI C6x gcc 14.1.0
TI C6x gcc 14.2.0
TI CL430 21.6.1
VAX gcc NetBSDELF 10.4.0
VAX gcc NetBSDELF 10.5.0 (Nov 15 03:50:22 2023)
WebAssembly clang (trunk)
Xtensa ESP32 gcc 11.2.0 (2022r1)
Xtensa ESP32 gcc 12.2.0 (20230208)
Xtensa ESP32 gcc 8.2.0 (2019r2)
Xtensa ESP32 gcc 8.2.0 (2020r1)
Xtensa ESP32 gcc 8.2.0 (2020r2)
Xtensa ESP32 gcc 8.4.0 (2020r3)
Xtensa ESP32 gcc 8.4.0 (2021r1)
Xtensa ESP32 gcc 8.4.0 (2021r2)
Xtensa ESP32-S2 gcc 11.2.0 (2022r1)
Xtensa ESP32-S2 gcc 12.2.0 (20230208)
Xtensa ESP32-S2 gcc 8.2.0 (2019r2)
Xtensa ESP32-S2 gcc 8.2.0 (2020r1)
Xtensa ESP32-S2 gcc 8.2.0 (2020r2)
Xtensa ESP32-S2 gcc 8.4.0 (2020r3)
Xtensa ESP32-S2 gcc 8.4.0 (2021r1)
Xtensa ESP32-S2 gcc 8.4.0 (2021r2)
Xtensa ESP32-S3 gcc 11.2.0 (2022r1)
Xtensa ESP32-S3 gcc 12.2.0 (20230208)
Xtensa ESP32-S3 gcc 8.4.0 (2020r3)
Xtensa ESP32-S3 gcc 8.4.0 (2021r1)
Xtensa ESP32-S3 gcc 8.4.0 (2021r2)
arm64 msvc v19.20 VS16.0
arm64 msvc v19.21 VS16.1
arm64 msvc v19.22 VS16.2
arm64 msvc v19.23 VS16.3
arm64 msvc v19.24 VS16.4
arm64 msvc v19.25 VS16.5
arm64 msvc v19.27 VS16.7
arm64 msvc v19.28 VS16.8
arm64 msvc v19.28 VS16.9
arm64 msvc v19.29 VS16.10
arm64 msvc v19.29 VS16.11
arm64 msvc v19.30 VS17.0
arm64 msvc v19.31 VS17.1
arm64 msvc v19.32 VS17.2
arm64 msvc v19.33 VS17.3
arm64 msvc v19.34 VS17.4
arm64 msvc v19.35 VS17.5
arm64 msvc v19.36 VS17.6
arm64 msvc v19.37 VS17.7
arm64 msvc v19.38 VS17.8
arm64 msvc v19.39 VS17.9
arm64 msvc v19.40 VS17.10
arm64 msvc v19.latest
armv7-a clang (trunk)
armv7-a clang 10.0.0
armv7-a clang 10.0.1
armv7-a clang 11.0.0
armv7-a clang 11.0.1
armv7-a clang 12.0.0
armv7-a clang 12.0.1
armv7-a clang 13.0.0
armv7-a clang 13.0.1
armv7-a clang 14.0.0
armv7-a clang 15.0.0
armv7-a clang 16.0.0
armv7-a clang 17.0.1
armv7-a clang 18.1.0
armv7-a clang 19.1.0
armv7-a clang 9.0.0
armv7-a clang 9.0.1
armv8-a clang (all architectural features, trunk)
armv8-a clang (trunk)
armv8-a clang 10.0.0
armv8-a clang 10.0.1
armv8-a clang 11.0.0
armv8-a clang 11.0.1
armv8-a clang 12.0.0
armv8-a clang 13.0.0
armv8-a clang 14.0.0
armv8-a clang 15.0.0
armv8-a clang 16.0.0
armv8-a clang 17.0.1
armv8-a clang 18.1.0
armv8-a clang 19.1.0
armv8-a clang 9.0.0
armv8-a clang 9.0.1
clang-cl 18.1.0
ellcc 0.1.33
ellcc 0.1.34
ellcc 2017-07-16
hexagon-clang 16.0.5
llvm-mos atari2600-3e
llvm-mos atari2600-4k
llvm-mos atari2600-common
llvm-mos atari5200-supercart
llvm-mos atari8-cart-megacart
llvm-mos atari8-cart-std
llvm-mos atari8-cart-xegs
llvm-mos atari8-common
llvm-mos atari8-dos
llvm-mos c128
llvm-mos c64
llvm-mos commodore
llvm-mos cpm65
llvm-mos cx16
llvm-mos dodo
llvm-mos eater
llvm-mos mega65
llvm-mos nes
llvm-mos nes-action53
llvm-mos nes-cnrom
llvm-mos nes-gtrom
llvm-mos nes-mmc1
llvm-mos nes-mmc3
llvm-mos nes-nrom
llvm-mos nes-unrom
llvm-mos nes-unrom-512
llvm-mos osi-c1p
llvm-mos pce
llvm-mos pce-cd
llvm-mos pce-common
llvm-mos pet
llvm-mos rp6502
llvm-mos rpc8e
llvm-mos supervision
llvm-mos vic20
loongarch64 gcc 12.2.0
loongarch64 gcc 12.3.0
loongarch64 gcc 12.4.0
loongarch64 gcc 13.1.0
loongarch64 gcc 13.2.0
loongarch64 gcc 13.3.0
loongarch64 gcc 14.1.0
loongarch64 gcc 14.2.0
mips clang 13.0.0
mips clang 14.0.0
mips clang 15.0.0
mips clang 16.0.0
mips clang 17.0.1
mips clang 18.1.0
mips clang 19.1.0
mips gcc 11.2.0
mips gcc 12.1.0
mips gcc 12.2.0
mips gcc 12.3.0
mips gcc 12.4.0
mips gcc 13.1.0
mips gcc 13.2.0
mips gcc 13.3.0
mips gcc 14.1.0
mips gcc 14.2.0
mips gcc 4.9.4
mips gcc 5.4
mips gcc 5.5.0
mips gcc 9.3.0 (codescape)
mips gcc 9.5.0
mips64 (el) gcc 12.1.0
mips64 (el) gcc 12.2.0
mips64 (el) gcc 12.3.0
mips64 (el) gcc 12.4.0
mips64 (el) gcc 13.1.0
mips64 (el) gcc 13.2.0
mips64 (el) gcc 13.3.0
mips64 (el) gcc 14.1.0
mips64 (el) gcc 14.2.0
mips64 (el) gcc 4.9.4
mips64 (el) gcc 5.4.0
mips64 (el) gcc 5.5.0
mips64 (el) gcc 9.5.0
mips64 clang 13.0.0
mips64 clang 14.0.0
mips64 clang 15.0.0
mips64 clang 16.0.0
mips64 clang 17.0.1
mips64 clang 18.1.0
mips64 clang 19.1.0
mips64 gcc 11.2.0
mips64 gcc 12.1.0
mips64 gcc 12.2.0
mips64 gcc 12.3.0
mips64 gcc 12.4.0
mips64 gcc 13.1.0
mips64 gcc 13.2.0
mips64 gcc 13.3.0
mips64 gcc 14.1.0
mips64 gcc 14.2.0
mips64 gcc 4.9.4
mips64 gcc 5.4.0
mips64 gcc 5.5.0
mips64 gcc 9.5.0
mips64el clang 13.0.0
mips64el clang 14.0.0
mips64el clang 15.0.0
mips64el clang 16.0.0
mips64el clang 17.0.1
mips64el clang 18.1.0
mips64el clang 19.1.0
mipsel clang 13.0.0
mipsel clang 14.0.0
mipsel clang 15.0.0
mipsel clang 16.0.0
mipsel clang 17.0.1
mipsel clang 18.1.0
mipsel clang 19.1.0
mipsel gcc 12.1.0
mipsel gcc 12.2.0
mipsel gcc 12.3.0
mipsel gcc 12.4.0
mipsel gcc 13.1.0
mipsel gcc 13.2.0
mipsel gcc 13.3.0
mipsel gcc 14.1.0
mipsel gcc 14.2.0
mipsel gcc 4.9.4
mipsel gcc 5.4.0
mipsel gcc 5.5.0
mipsel gcc 9.5.0
nanoMIPS gcc 6.3.0 (mtk)
power gcc 11.2.0
power gcc 12.1.0
power gcc 12.2.0
power gcc 12.3.0
power gcc 12.4.0
power gcc 13.1.0
power gcc 13.2.0
power gcc 13.3.0
power gcc 14.1.0
power gcc 14.2.0
power gcc 4.8.5
power64 AT12.0 (gcc8)
power64 AT13.0 (gcc9)
power64 gcc 11.2.0
power64 gcc 12.1.0
power64 gcc 12.2.0
power64 gcc 12.3.0
power64 gcc 12.4.0
power64 gcc 13.1.0
power64 gcc 13.2.0
power64 gcc 13.3.0
power64 gcc 14.1.0
power64 gcc 14.2.0
power64 gcc trunk
power64le AT12.0 (gcc8)
power64le AT13.0 (gcc9)
power64le clang (trunk)
power64le gcc 11.2.0
power64le gcc 12.1.0
power64le gcc 12.2.0
power64le gcc 12.3.0
power64le gcc 12.4.0
power64le gcc 13.1.0
power64le gcc 13.2.0
power64le gcc 13.3.0
power64le gcc 14.1.0
power64le gcc 14.2.0
power64le gcc 6.3.0
power64le gcc trunk
powerpc64 clang (trunk)
s390x gcc 11.2.0
s390x gcc 12.1.0
s390x gcc 12.2.0
s390x gcc 12.3.0
s390x gcc 12.4.0
s390x gcc 13.1.0
s390x gcc 13.2.0
s390x gcc 13.3.0
s390x gcc 14.1.0
s390x gcc 14.2.0
sh gcc 12.2.0
sh gcc 12.3.0
sh gcc 12.4.0
sh gcc 13.1.0
sh gcc 13.2.0
sh gcc 13.3.0
sh gcc 14.1.0
sh gcc 14.2.0
sh gcc 4.9.4
sh gcc 9.5.0
vast (trunk)
x64 msvc v19.0 (WINE)
x64 msvc v19.10 (WINE)
x64 msvc v19.14 (WINE)
x64 msvc v19.20 VS16.0
x64 msvc v19.21 VS16.1
x64 msvc v19.22 VS16.2
x64 msvc v19.23 VS16.3
x64 msvc v19.24 VS16.4
x64 msvc v19.25 VS16.5
x64 msvc v19.27 VS16.7
x64 msvc v19.28 VS16.8
x64 msvc v19.28 VS16.9
x64 msvc v19.29 VS16.10
x64 msvc v19.29 VS16.11
x64 msvc v19.30 VS17.0
x64 msvc v19.31 VS17.1
x64 msvc v19.32 VS17.2
x64 msvc v19.33 VS17.3
x64 msvc v19.34 VS17.4
x64 msvc v19.35 VS17.5
x64 msvc v19.36 VS17.6
x64 msvc v19.37 VS17.7
x64 msvc v19.38 VS17.8
x64 msvc v19.39 VS17.9
x64 msvc v19.40 VS17.10
x64 msvc v19.latest
x86 djgpp 4.9.4
x86 djgpp 5.5.0
x86 djgpp 6.4.0
x86 djgpp 7.2.0
x86 msvc v19.0 (WINE)
x86 msvc v19.10 (WINE)
x86 msvc v19.14 (WINE)
x86 msvc v19.20 VS16.0
x86 msvc v19.21 VS16.1
x86 msvc v19.22 VS16.2
x86 msvc v19.23 VS16.3
x86 msvc v19.24 VS16.4
x86 msvc v19.25 VS16.5
x86 msvc v19.27 VS16.7
x86 msvc v19.28 VS16.8
x86 msvc v19.28 VS16.9
x86 msvc v19.29 VS16.10
x86 msvc v19.29 VS16.11
x86 msvc v19.30 VS17.0
x86 msvc v19.31 VS17.1
x86 msvc v19.32 VS17.2
x86 msvc v19.33 VS17.3
x86 msvc v19.34 VS17.4
x86 msvc v19.35 VS17.5
x86 msvc v19.36 VS17.6
x86 msvc v19.37 VS17.7
x86 msvc v19.38 VS17.8
x86 msvc v19.39 VS17.9
x86 msvc v19.40 VS17.10
x86 msvc v19.latest
x86 nvc++ 22.11
x86 nvc++ 22.7
x86 nvc++ 22.9
x86 nvc++ 23.1
x86 nvc++ 23.11
x86 nvc++ 23.3
x86 nvc++ 23.5
x86 nvc++ 23.7
x86 nvc++ 23.9
x86 nvc++ 24.1
x86 nvc++ 24.3
x86 nvc++ 24.5
x86 nvc++ 24.7
x86 nvc++ 24.9
x86-64 Zapcc 190308
x86-64 clang (EricWF contracts)
x86-64 clang (amd-staging)
x86-64 clang (assertions trunk)
x86-64 clang (clangir)
x86-64 clang (dascandy contracts)
x86-64 clang (experimental -Wlifetime)
x86-64 clang (experimental P1061)
x86-64 clang (experimental P1144)
x86-64 clang (experimental P1221)
x86-64 clang (experimental P2996)
x86-64 clang (experimental P3068)
x86-64 clang (experimental P3309)
x86-64 clang (experimental P3367)
x86-64 clang (experimental P3372)
x86-64 clang (experimental metaprogramming - P2632)
x86-64 clang (old concepts branch)
x86-64 clang (p1974)
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zig c++ 0.10.0
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Source code
// msvc v19.29 VS16.10, cl.exe /Ox /O2 /arch:AVX512 // gcc-4.8 -msse2 -O3 // gcc-11.2 -mavx512f -O3 #define DISABLE_INLINE_FOR_TESTING 1 #define XXH_STATIC_LINKING_ONLY /* access advanced declarations */ #define XXH_IMPLEMENTATION /* access definitions */ /* Determine C/C++ standard verions */ #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */ # define XXH_C99_OR_GREATER 1 #else # define XXH_C99_OR_GREATER 0 #endif #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L) /* C11 */ # define XXH_C11_OR_GREATER 1 #else # define XXH_C11_OR_GREATER 0 #endif #if defined(__cplusplus) /* C++ */ # define XXH_CPP 1 #else # define XXH_CPP 0 #endif #if defined(__cplusplus) && (__cplusplus >= 201103L) /* C++11 */ # define XXH_CPP11_OR_GREATER 1 #else # define XXH_CPP11_OR_GREATER 0 #endif /* Determine compilers */ #if defined(__GNUC__) || defined(__clang__) # define XXH_GCC_OR_CLANG 1 #else # define XXH_GCC_OR_CLANG 0 #endif #if defined(_MSC_VER) # define XXH_VISUAL_C 1 #else # define XXH_VISUAL_C 0 #endif /* Determine platform/compiler capability */ #if defined(__AVX512F__) # define XXH_HAS_AVX512 1 #else # define XXH_HAS_AVX512 0 #endif #if defined(__AVX2__) # define XXH_HAS_AVX2 1 #else # define XXH_HAS_AVX2 0 #endif #if defined(__SSE2__) || defined(_M_AMD64) || defined(_M_X64) || (defined(_M_IX86_FP) && (_M_IX86_FP == 2)) # define XXH_HAS_SSE2 1 #else # define XXH_HAS_SSE2 0 #endif #if XXH_GCC_OR_CLANG && ( defined(__ARM_NEON__) || defined(__ARM_NEON) ) && ( defined(__LITTLE_ENDIAN__) || (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)) ) # define XXH_HAS_NEON 1 #else # define XXH_HAS_NEON 0 #endif #if XXH_GCC_OR_CLANG && ( (defined(__PPC64__) && defined(__POWER8_VECTOR__)) || (defined(__s390x__) && defined(__VEC__)) ) # define XXH_HAS_VSX 1 #else # define XXH_HAS_VSX 0 #endif #if XXH_VISUAL_C && (defined(_M_IX86) && (_MSC_VER < 1900)) # define XXH_HAS_MM_SET_EPI64X 0 /* MSVC 32bit mode does not support _mm_set_epi64x before 2015 */ #else # define XXH_HAS_MM_SET_EPI64X 1 /* has _mm_set_epi64x() */ #endif #if XXH_VISUAL_C && (defined(_M_IX86) || defined(_M_X64)) # define XXH_HAS_MM_PREFETCH 1 /* has _mm_prefetch() */ #else # define XXH_HAS_MM_PREFETCH 0 #endif #if XXH_GCC_OR_CLANG && ( (__GNUC__ >= 4) || ( (__GNUC__ == 3) && (__GNUC_MINOR__ >= 1) ) ) # define XXH_HAS_BUILTIN_PREFETCH 1 /* has __builtin_prefetch() */ #else # define XXH_HAS_BUILTIN_PREFETCH 0 #endif /* C/C++ standard or compiler specific constants/attributes/declarations */ #if !defined(XXH_STATIC_ASSERT_WITH_MESSAGE) # if XXH_C11_OR_GREATER # include <assert.h> # define XXH_STATIC_ASSERT_WITH_MESSAGE(c,m) _Static_assert(c,m) # elif XXH_CPP11_OR_GREATER # define XXH_STATIC_ASSERT_WITH_MESSAGE(c,m) static_assert(c,m) # else //# define XXH_STATIC_ASSERT_WITH_MESSAGE(c,m) do { enum { XXH_sa = 1/(int)(!!(c)) }; } while (0) # define XXH_STATIC_ASSERT_WITH_MESSAGE(c,m) do { struct Sa { char xxh_static_assert[0-(int)(!(c))]; }; } while (0) # endif #endif #if !defined(XXH_STATIC_ASSERT) # define XXH_STATIC_ASSERT(c) XXH_STATIC_ASSERT_WITH_MESSAGE(c,"XXH_STATIC_ASSERT") #endif #if !defined(XXH_ASSERT) # if (XXH_DEBUGLEVEL >= 1) # include <assert.h> /* note: can still be disabled with NDEBUG */ # define XXH_ASSERT(c) assert(c) # else # define XXH_ASSERT(c) ((void)0) # endif #endif #if !defined(XXH_RESTRICT) # if XXH_C99_OR_GREATER # define XXH_RESTRICT restrict # else # define XXH_RESTRICT /* disabled */ # endif #endif #if !defined(XXH_FORCE_INLINE) # if XXH_GCC_OR_CLANG # define XXH_FORCE_INLINE static __inline__ __attribute__((always_inline, unused)) # elif XXH_VISUAL_C # define XXH_FORCE_INLINE static __forceinline # elif XXH_C99_OR_GREATER || XXH_CPP # define XXH_FORCE_INLINE static inline # else # define XXH_FORCE_INLINE static # endif #endif #if !defined(XXH_NO_INLINE) # if XXH_GCC_OR_CLANG # define XXH_NO_INLINE static __attribute__((noinline)) # elif XXH_VISUAL_C # define XXH_NO_INLINE static __declspec(noinline) # else # define XXH_NO_INLINE static # endif #endif #if !defined(XXH_ALIGN) # if XXH_C11_OR_GREATER # include <stdalign.h> /* C11 has standard macro alignas() */ # define XXH_ALIGN(n) alignas(n) # elif XXH_CPP11_OR_GREATER # define XXH_ALIGN(n) alignas(n) /* In C++11 alignas() is a keyword */ # elif defined(__GNUC__) # define XXH_ALIGN(n) __attribute__ ((aligned(n))) # elif defined(_MSC_VER) # define XXH_ALIGN(n) __declspec(align(n)) # else # define XXH_ALIGN(n) /* disabled */ # endif #endif /* Basic types */ #if XXH_C99_OR_GREATER || XXH_CPP # include <stdint.h> # define XXH_U8 uint8_t # define XXH_U32 uint32_t # define XXH_I64 int64_t # define XXH_U64 uint64_t #else # define XXH_U8 unsigned char # define XXH_I64 long long # include <limits.h> # if UINT_MAX == 0xFFFFFFFFUL # define XXH_U32 unsigned int # elif ULONG_MAX == 0xFFFFFFFFUL # define XXH_U32 unsigned long # endif # if defined(__LP64__) && ULONG_MAX == 0xFFFFFFFFFFFFFFFFULL # define XXH_U64 unsigned long # else # define XXH_U64 unsigned long long # endif #endif #if !defined(XXH_U32) # error "unsupported platform: need a 32-bit type" #endif typedef XXH_U8 xxh_u8; typedef XXH_U32 xxh_u32; typedef xxh_u32 XXH32_hash_t; #if !defined(XXH_NO_LONG_LONG) # if !defined(XXH_U64) # error "unsupported platform: need a 64-bit type" # endif typedef XXH_I64 xxh_i64; typedef XXH_U64 xxh_u64; typedef xxh_u64 XXH64_hash_t; #endif /* Vector instrucion types */ #define XXH_SCALAR 0 #define XXH_SSE2 1 #define XXH_AVX2 2 #define XXH_AVX512 3 #define XXH_NEON 4 #define XXH_VSX 5 /* Determine vector instruction type */ #if !defined(XXH_VECTOR) # if XXH_HAS_AVX512 # define XXH_VECTOR XXH_AVX512 # elif XXH_HAS_AVX2 # define XXH_VECTOR XXH_AVX2 # elif XXH_HAS_SSE2 # define XXH_VECTOR XXH_SSE2 # elif XXH_HAS_NEON # define XXH_VECTOR XXH_NEON # elif XXH_HAS_VSX # define XXH_VECTOR XXH_VSX # else # define XXH_VECTOR XXH_SCALAR # endif #endif #if !defined(XXH_TARGET_AVX512) # define XXH_TARGET_AVX512 /* disable attribute target */ #endif #if !defined(XXH_TARGET_AVX2) # define XXH_TARGET_AVX2 /* disable attribute target */ #endif #if !defined(XXH_TARGET_SSE2) # define XXH_TARGET_SSE2 /* disable attribute target */ #endif #ifndef XXH_ACC_ALIGN # if defined(XXH_X86DISPATCH) # define XXH_ACC_ALIGN 64 /* for compatibility with avx512 */ # elif XXH_VECTOR == XXH_SCALAR /* scalar */ # define XXH_ACC_ALIGN 8 # elif XXH_VECTOR == XXH_SSE2 /* sse2 */ # define XXH_ACC_ALIGN 16 # elif XXH_VECTOR == XXH_AVX2 /* avx2 */ # define XXH_ACC_ALIGN 32 # elif XXH_VECTOR == XXH_NEON /* neon */ # define XXH_ACC_ALIGN 16 # elif XXH_VECTOR == XXH_VSX /* vsx */ # define XXH_ACC_ALIGN 16 # elif XXH_VECTOR == XXH_AVX512 /* avx512 */ # define XXH_ACC_ALIGN 64 # endif #endif #if defined(XXH_X86DISPATCH) || XXH_VECTOR == XXH_SSE2 || XXH_VECTOR == XXH_AVX2 || XXH_VECTOR == XXH_AVX512 # define XXH_SEC_ALIGN XXH_ACC_ALIGN #else # define XXH_SEC_ALIGN 8 #endif #ifndef XXH_NO_LONG_LONG /* Vector operation intrinsics */ # if XXH_GCC_OR_CLANG # if defined(__AVX2__) # include <immintrin.h> # elif defined(__SSE2__) # include <emmintrin.h> # elif defined(__ARM_NEON__) || defined(__ARM_NEON) # define inline __inline__ /* circumvent a clang bug */ # include <arm_neon.h> # undef inline # endif # elif XXH_VISUAL_C # include <intrin.h> # endif #endif /* ifndef XXH_NO_LONG_LONG */ /* prefetch * can be disabled, by declaring XXH_NO_PREFETCH build macro */ #if !defined(XXH_PREFETCH) # if !defined(XXH_NO_PREFETCH) # if XXH_HAS_MM_PREFETCH # include <mmintrin.h> /* https://msdn.microsoft.com/fr-fr/library/84szxsww(v=vs.90).aspx */ # define XXH_PREFETCH(ptr) _mm_prefetch((const char*)(ptr), _MM_HINT_T0) # elif XXH_HAS_BUILTIN_PREFETCH # define XXH_PREFETCH(ptr) __builtin_prefetch((ptr), 0 /* rw==read */, 3 /* locality */) # endif # endif # if !defined(XXH_PREFETCH) # define XXH_PREFETCH(ptr) (void)(ptr) /* disabled */ # endif #endif /* Used to prevent unwanted optimizations for var. */ #if !defined(XXH_COMPILER_GUARD) # if XXH_GCC_OR_CLANG # define XXH_COMPILER_GUARD(var) __asm__ __volatile__("" : "+r" (var)) # else # define XXH_COMPILER_GUARD(var) ((void)0) # endif #endif /* XXH3 functions */ #define XXH_SECRET_DEFAULT_SIZE 192 /* minimum XXH3_SECRET_SIZE_MIN */ /*! Pseudorandom secret taken directly from FARSH. */ XXH_ALIGN(64) static const xxh_u8 XXH3_kSecret[XXH_SECRET_DEFAULT_SIZE] = { 0xb8, 0xfe, 0x6c, 0x39, 0x23, 0xa4, 0x4b, 0xbe, 0x7c, 0x01, 0x81, 0x2c, 0xf7, 0x21, 0xad, 0x1c, 0xde, 0xd4, 0x6d, 0xe9, 0x83, 0x90, 0x97, 0xdb, 0x72, 0x40, 0xa4, 0xa4, 0xb7, 0xb3, 0x67, 0x1f, 0xcb, 0x79, 0xe6, 0x4e, 0xcc, 0xc0, 0xe5, 0x78, 0x82, 0x5a, 0xd0, 0x7d, 0xcc, 0xff, 0x72, 0x21, 0xb8, 0x08, 0x46, 0x74, 0xf7, 0x43, 0x24, 0x8e, 0xe0, 0x35, 0x90, 0xe6, 0x81, 0x3a, 0x26, 0x4c, 0x3c, 0x28, 0x52, 0xbb, 0x91, 0xc3, 0x00, 0xcb, 0x88, 0xd0, 0x65, 0x8b, 0x1b, 0x53, 0x2e, 0xa3, 0x71, 0x64, 0x48, 0x97, 0xa2, 0x0d, 0xf9, 0x4e, 0x38, 0x19, 0xef, 0x46, 0xa9, 0xde, 0xac, 0xd8, 0xa8, 0xfa, 0x76, 0x3f, 0xe3, 0x9c, 0x34, 0x3f, 0xf9, 0xdc, 0xbb, 0xc7, 0xc7, 0x0b, 0x4f, 0x1d, 0x8a, 0x51, 0xe0, 0x4b, 0xcd, 0xb4, 0x59, 0x31, 0xc8, 0x9f, 0x7e, 0xc9, 0xd9, 0x78, 0x73, 0x64, 0xea, 0xc5, 0xac, 0x83, 0x34, 0xd3, 0xeb, 0xc3, 0xc5, 0x81, 0xa0, 0xff, 0xfa, 0x13, 0x63, 0xeb, 0x17, 0x0d, 0xdd, 0x51, 0xb7, 0xf0, 0xda, 0x49, 0xd3, 0x16, 0x55, 0x26, 0x29, 0xd4, 0x68, 0x9e, 0x2b, 0x16, 0xbe, 0x58, 0x7d, 0x47, 0xa1, 0xfc, 0x8f, 0xf8, 0xb8, 0xd1, 0x7a, 0xd0, 0x31, 0xce, 0x45, 0xcb, 0x3a, 0x8f, 0x95, 0x16, 0x04, 0x28, 0xaf, 0xd7, 0xfb, 0xca, 0xbb, 0x4b, 0x40, 0x7e, }; #if DISABLE_INLINE_FOR_TESTING # undef XXH_FORCE_INLINE # define XXH_FORCE_INLINE XXH_NO_INLINE #endif #if XXH_HAS_SSE2 XXH_FORCE_INLINE XXH_TARGET_SSE2 void XXH3_initCustomSecret_sse2_union(void* XXH_RESTRICT customSecret, xxh_u64 seed64) { /* We use union for casting between perfectly aligned pointers. This trick is introduced to avoid clang-3.9's strange warning bug. Note that all other compilers including clang 4.0+ do not claim any warning for casting between properly aligned pointers. */ union { XXH_ALIGN(64) const xxh_u8* cu8p; XXH_ALIGN(64) const float* cfp; } tmp_union_for_cast; tmp_union_for_cast.cu8p = XXH3_kSecret; { int const nbRounds = XXH_SECRET_DEFAULT_SIZE / sizeof(__m128i); # if (! XXH_HAS_MM_SET_EPI64X) XXH_ALIGN(16) const xxh_i64 seed64x2[2] = { (xxh_i64)seed64, (xxh_i64)(0U - seed64) }; __m128i const seed = _mm_load_si128((__m128i const*)seed64x2); # else __m128i const seed = _mm_set_epi64x((xxh_i64)(0U - seed64), (xxh_i64)seed64); # endif int i; XXH_ALIGN(64) const float* const src = tmp_union_for_cast.cfp; XXH_ALIGN(XXH_SEC_ALIGN) __m128i* dest = (__m128i*) customSecret; XXH_COMPILER_GUARD(dest); for (i=0; i < nbRounds; ++i) { dest[i] = _mm_add_epi64(_mm_castps_si128(_mm_load_ps(src+i*4)), seed); } } } XXH_FORCE_INLINE XXH_TARGET_SSE2 void XXH3_initCustomSecret_sse2(void* XXH_RESTRICT customSecret, xxh_u64 seed64) { { int const nbRounds = XXH_SECRET_DEFAULT_SIZE / sizeof(__m128i); # if (! XXH_HAS_MM_SET_EPI64X) XXH_ALIGN(16) const xxh_i64 seed64x2[2] = { (xxh_i64)seed64, (xxh_i64)(0U - seed64) }; __m128i const seed = _mm_load_si128((__m128i const*)seed64x2); # else __m128i const seed = _mm_set_epi64x((xxh_i64)(0U - seed64), (xxh_i64)seed64); # endif int i; XXH_ALIGN(64) const float* const src = (float const*) XXH3_kSecret; XXH_ALIGN(XXH_SEC_ALIGN) __m128i* dest = (__m128i*) customSecret; XXH_COMPILER_GUARD(dest); for (i=0; i < nbRounds; ++i) { dest[i] = _mm_add_epi64(_mm_castps_si128(_mm_load_ps(src+i*4)), seed); } } } #endif #if XXH_HAS_AVX2 XXH_FORCE_INLINE XXH_TARGET_AVX2 void XXH3_initCustomSecret_avx2_union(void* XXH_RESTRICT customSecret, xxh_u64 seed64) { /* We use union for casting between perfectly aligned pointers. This trick is introduced to avoid clang-3.9's strange warning bug. Note that all other compilers including clang 4.0+ do not claim any warning for casting between properly aligned pointers. */ union { XXH_ALIGN(64) const xxh_u8* cu8p; XXH_ALIGN(64) const __m256i* cm256ip; } tmp_union_for_cast; tmp_union_for_cast.cu8p = XXH3_kSecret; XXH_STATIC_ASSERT((XXH_SECRET_DEFAULT_SIZE & 31) == 0); XXH_STATIC_ASSERT((XXH_SECRET_DEFAULT_SIZE / sizeof(__m256i)) == 6); XXH_STATIC_ASSERT(XXH_SEC_ALIGN <= 64); XXH_PREFETCH(customSecret); { __m256i const seed = _mm256_set_epi64x((xxh_i64)(0U - seed64), (xxh_i64)seed64, (xxh_i64)(0U - seed64), (xxh_i64)seed64); XXH_ALIGN(64) const __m256i* const src = tmp_union_for_cast.cm256ip; XXH_ALIGN(64) __m256i* dest = ( __m256i*) customSecret; XXH_COMPILER_GUARD(dest); /* GCC -O2 need unroll loop manually */ dest[0] = _mm256_add_epi64(_mm256_stream_load_si256(src+0), seed); dest[1] = _mm256_add_epi64(_mm256_stream_load_si256(src+1), seed); dest[2] = _mm256_add_epi64(_mm256_stream_load_si256(src+2), seed); dest[3] = _mm256_add_epi64(_mm256_stream_load_si256(src+3), seed); dest[4] = _mm256_add_epi64(_mm256_stream_load_si256(src+4), seed); dest[5] = _mm256_add_epi64(_mm256_stream_load_si256(src+5), seed); } } XXH_FORCE_INLINE XXH_TARGET_AVX2 void XXH3_initCustomSecret_avx2(void* XXH_RESTRICT customSecret, xxh_u64 seed64) { XXH_STATIC_ASSERT((XXH_SECRET_DEFAULT_SIZE & 31) == 0); XXH_STATIC_ASSERT((XXH_SECRET_DEFAULT_SIZE / sizeof(__m256i)) == 6); XXH_STATIC_ASSERT(XXH_SEC_ALIGN <= 64); XXH_PREFETCH(customSecret); { __m256i const seed = _mm256_set_epi64x((xxh_i64)(0U - seed64), (xxh_i64)seed64, (xxh_i64)(0U - seed64), (xxh_i64)seed64); XXH_ALIGN(64) const __m256i* const src = (const __m256i*) XXH3_kSecret; XXH_ALIGN(64) __m256i* dest = ( __m256i*) customSecret; XXH_COMPILER_GUARD(dest); /* GCC -O2 need unroll loop manually */ dest[0] = _mm256_add_epi64(_mm256_stream_load_si256(src+0), seed); dest[1] = _mm256_add_epi64(_mm256_stream_load_si256(src+1), seed); dest[2] = _mm256_add_epi64(_mm256_stream_load_si256(src+2), seed); dest[3] = _mm256_add_epi64(_mm256_stream_load_si256(src+3), seed); dest[4] = _mm256_add_epi64(_mm256_stream_load_si256(src+4), seed); dest[5] = _mm256_add_epi64(_mm256_stream_load_si256(src+5), seed); } } #endif #if XXH_HAS_AVX512 XXH_FORCE_INLINE XXH_TARGET_AVX512 void XXH3_initCustomSecret_avx512_union(void* XXH_RESTRICT customSecret, xxh_u64 seed64) { /* We use union for casting between perfectly aligned pointers. This trick is introduced to avoid clang-3.9's strange warning bug. Note that all other compilers including clang 4.0+ do not claim any warning for casting between properly aligned pointers. */ union { XXH_ALIGN(64) const xxh_u8* cu8p; XXH_ALIGN(64) const __m512i* cm512ip; } tmp_union_for_cast; tmp_union_for_cast.cu8p = XXH3_kSecret; XXH_STATIC_ASSERT((XXH_SECRET_DEFAULT_SIZE & 63) == 0); XXH_STATIC_ASSERT(XXH_SEC_ALIGN == 64); XXH_ASSERT(((size_t)customSecret & 63) == 0); { int const nbRounds = XXH_SECRET_DEFAULT_SIZE / sizeof(__m512i); __m512i const seed = _mm512_mask_set1_epi64(_mm512_set1_epi64((xxh_i64)seed64), 0xAA, (xxh_i64)(0U - seed64)); XXH_ALIGN(64) const __m512i* const src = tmp_union_for_cast.cm512ip; XXH_ALIGN(64) __m512i* const dest = ( __m512i*) customSecret; int i; for (i=0; i < nbRounds; ++i) { /* GCC has a bug, _mm512_stream_load_si512 accepts 'void*', not 'void const*', * this will warn "discards ‘const’ qualifier". */ union { XXH_ALIGN(64) const __m512i* cp; XXH_ALIGN(64) void* p; } remote_const_void; remote_const_void.cp = src + i; dest[i] = _mm512_add_epi64(_mm512_stream_load_si512(remote_const_void.p), seed); } } } XXH_FORCE_INLINE XXH_TARGET_AVX512 void XXH3_initCustomSecret_avx512(void* XXH_RESTRICT customSecret, xxh_u64 seed64) { XXH_STATIC_ASSERT((XXH_SECRET_DEFAULT_SIZE & 63) == 0); XXH_STATIC_ASSERT(XXH_SEC_ALIGN == 64); XXH_ASSERT(((size_t)customSecret & 63) == 0); { int const nbRounds = XXH_SECRET_DEFAULT_SIZE / sizeof(__m512i); __m512i const seed = _mm512_mask_set1_epi64(_mm512_set1_epi64((xxh_i64)seed64), 0xAA, (xxh_i64)(0U - seed64)); XXH_ALIGN(64) const __m512i* const src = (const __m512i*) XXH3_kSecret; XXH_ALIGN(64) __m512i* const dest = ( __m512i*) customSecret; int i; for (i=0; i < nbRounds; ++i) { /* GCC has a bug, _mm512_stream_load_si512 accepts 'void*', not 'void const*', * this will warn "discards ‘const’ qualifier". */ union { XXH_ALIGN(64) const __m512i* cp; XXH_ALIGN(64) void* p; } remote_const_void; remote_const_void.cp = src + i; dest[i] = _mm512_add_epi64(_mm512_stream_load_si512(remote_const_void.p), seed); } } } #endif #include <stdio.h> XXH_NO_INLINE xxh_u64 f(xxh_u64 s, const unsigned char* cs, size_t csSize) { for(size_t i = 0; i < sizeof(cs); ++i) { s ^= cs[i]; } return s; } int main(int argc, char** argv) { xxh_u64 s = argc; XXH_ALIGN(XXH_SEC_ALIGN) unsigned char cs[XXH_SECRET_DEFAULT_SIZE]; for(size_t i = 0; i < sizeof(cs); ++i) { cs[i] = (unsigned char) (argc + i); } #if XXH_HAS_SSE2 XXH3_initCustomSecret_sse2(cs, s); s = f(s, cs, sizeof(cs)); XXH3_initCustomSecret_sse2_union(cs, s); s = f(s, cs, sizeof(cs)); #endif #if XXH_HAS_AVX2 XXH3_initCustomSecret_avx2(cs, s); s = f(s, cs, sizeof(cs)); XXH3_initCustomSecret_avx2_union(cs, s); s = f(s, cs, sizeof(cs)); #endif #if XXH_HAS_AVX512 XXH3_initCustomSecret_avx512(cs, s); s = f(s, cs, sizeof(cs)); XXH3_initCustomSecret_avx512_union(cs, s); s = f(s, cs, sizeof(cs)); #endif return (int) s; }
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