flang

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Various files under `runtime/flang` use the macro `LINUX8664` to guard X86-only code; but this is incorrect and ineffective because `LINUX8664` is never defined by any CMakeLists.txt (it is only defined...

bryanpkc

ftni64bitsup.c and utilsi64.c define a static function `shf64` (a helper for shifting signed 64-bit values) identically, while only ftni64bitsup.c defines the unsigned verison `ushf64`. Both files call `shf64` on various...

bryanpkc

F03/F08: Flang frees memory which is used later and cause undefined behavior.

2

The following code expose this bug. ``` module m implicit none type t integer, allocatable, dimension(:) :: r end type t contains function tt(a,b) implicit none type(t), allocatable, dimension(:) ::...

Narutoworld

Test which tracks default allocatable behaviour

1

pawosm-arm

[LLVM 15][runtime] Add C prototypes for external Fortran matmul functions

1

This fixes errors such as: ``` .../flang/runtime/flang/mmreal8.c:99:21: error: passing arguments to 'ftn_mvmul_real8_' without a prototype is deprecated in all versions of C and is not supported in C2x [-Werror,-Wdeprecated-non-prototype] ftn_mvmul_real8_(&ta,...

bryanpkc

[LLVM 15] Support opaque pointers in Classic Flang

2

Hello, everyone! We noticed that there are some efforts to make classic-flang use LLVM15: [[LLVM 15][runtime] Define overloaded function types and improve type checking #1289](https://github.com/flang-compiler/flang/pull/1289) [[LLVM 15][runtime] Stop using K&R...

xinliu-hnc

win: use long double instead of __float128 on Windows platform

1

128 bit float is not supported on Windows platform and it causes build error.

tdusnoki

I've installed flang from the master branch via Spack: `spack install flang@master%gcc` but I get this (spurious?) error when I try to run flang without any arguments: ``` % flang...

BenWibking

This might be a fun one for someone to track down in the runtime. When doing large amounts of unformatted reads and writes, flang is slower than gfortran (especially on...

gklimowicz

F08: Internal compiler error on code using initialization by default constructors

1

Error message: ``` Lowering Error: unknown source type for conversion to integer*8 [ast=13,asttype=1,datatype=0] F90-F-0000-Internal compiler error. Errors in Lowering 1 (test.f90: 16) F90/x86-64 Linux Flang - 1.5 2017-05-01: compilation aborted...

difference-scheme