Thanks for using Compiler Explorer
Sponsors
Jakt
C++
Ada
Analysis
Assembly
C
Carbon
C++ (Circle)
CIRCT
Clean
CMake
COBOL
C++ for OpenCL
MLIR
Cppx
Cppx-Blue
Cppx-Gold
Cpp2-cppfront
Crystal
C#
CUDA C++
D
Dart
Erlang
Fortran
F#
Go
Haskell
HLSL
Hook
ispc
Java
Julia
Kotlin
LLVM IR
LLVM MIR
Modula-2
Nim
Objective-C
Objective-C++
OCaml
OpenCL C
Pascal
Pony
Python
Racket
Ruby
Rust
Scala
Solidity
Swift
Toit
TypeScript Native
Vala
Visual Basic
Zig
Javascript
fortran source #1
Output
Compile to binary object
Link to binary
Execute the code
Intel asm syntax
Demangle identifiers
Filters
Unused labels
Library functions
Directives
Comments
Horizontal whitespace
Debug intrinsics
Compiler
AARCH64 gfortran 12.1.0
AARCH64 gfortran 12.2.0
AARCH64 gfortran 13.1.0
AARCH64 gfortran 6.4
AARCH64 gfortran 7.3
AARCH64 gfortran 8.2
ARM (32bit) gfortran 12.1.0
ARM (32bit) gfortran 12.2.0
ARM (32bit) gfortran 13.1.0
ARM (32bit) gfortran 6.4
ARM (32bit) gfortran 7.3
ARM (32bit) gfortran 8.2
LOONGARCH64 gfortran 12.2.0
LOONGARCH64 gfortran 13.1.0
MIPS gfortran 12.1.0
MIPS gfortran 12.2.0
MIPS gfortran 13.1.0
MIPS64 gfortran 12.1.0
MIPS64 gfortran 12.2.0
MIPS64 gfortran 13.1.0
MIPS64el gfortran 12.1.0
MIPS64el gfortran 12.2.0
MIPS64el gfortran 13.1.0
MIPSel gfortran 12.1.0
MIPSel gfortran 12.2.0
MIPSel gfortran 13.1.0
POWER gfortran 12.1.0
POWER gfortran 12.2.0
POWER gfortran 13.1.0
POWER64 gfortran 12.1.0
POWER64 gfortran 12.2.0
POWER64 gfortran 13.1.0
POWER64le gfortran 12.1.0
POWER64le gfortran 12.2.0
POWER64le gfortran 13.1.0
RISC-V 32-bits gfortran (trunk)
RISC-V 32-bits gfortran 12.1.0
RISC-V 64-bits gfortran (trunk)
RISC-V 64-bits gfortran 12.1.0
RISCV (32bit) gfortran 12.2.0
RISCV (32bit) gfortran 13.1.0
RISCV64 gfortran 12.2.0
RISCV64 gfortran 13.1.0
SPARC LEON gfortran 12.2.0
SPARC LEON gfortran 13.1.0
SPARC gfortran 12.2.0
SPARC gfortran 13.1.0
SPARC64 gfortran 12.2.0
SPARC64 gfortran 13.1.0
flang-trunk (flang-new)
flang-trunk (old)
power64 AT12.0
power64 AT13.0
power64le AT12.0
power64le AT13.0
s390x gfortran 12.1.0
s390x gfortran 12.2.0
s390x gfortran 13.1.0
x86-64 gfortran (trunk)
x86-64 gfortran 10.1
x86-64 gfortran 10.2
x86-64 gfortran 10.3
x86-64 gfortran 10.4
x86-64 gfortran 11.1
x86-64 gfortran 11.2
x86-64 gfortran 11.3
x86-64 gfortran 11.4
x86-64 gfortran 12.1
x86-64 gfortran 12.2
x86-64 gfortran 12.3
x86-64 gfortran 13.1
x86-64 gfortran 4.9.4
x86-64 gfortran 5.5
x86-64 gfortran 6.3
x86-64 gfortran 7.1
x86-64 gfortran 7.2
x86-64 gfortran 7.3
x86-64 gfortran 8.1
x86-64 gfortran 8.2
x86-64 gfortran 8.3
x86-64 gfortran 8.4
x86-64 gfortran 8.5
x86-64 gfortran 9.1
x86-64 gfortran 9.2
x86-64 gfortran 9.3
x86-64 gfortran 9.4
x86-64 ifort 19.0.0
x86-64 ifort 2021.1.2
x86-64 ifort 2021.2.0
x86-64 ifort 2021.3.0
x86-64 ifort 2021.4.0
x86-64 ifort 2021.5.0
x86-64 ifort 2021.6.0
x86-64 ifort 2021.7.0
x86-64 ifort 2021.7.1
x86-64 ifx 2021.1.2
x86-64 ifx 2021.2.0
x86-64 ifx 2021.3.0
x86-64 ifx 2021.4.0
x86-64 ifx 2022.0.0
x86-64 ifx 2022.1.0
x86-64 ifx 2022.2.0
x86-64 ifx 2022.2.1
Options
Source code
! Type your code here, or load an example. integer function square(x) implicit none integer, intent(in) :: x square = x * x end function square
Become a Patron
Sponsor on GitHub
Donate via PayPal
Source on GitHub
Mailing list
Installed libraries
Wiki
Report an issue
How it works
Contact the author
CE on Mastodon
About the author
Statistics
Changelog
Version tree