awarzynski added inline comments.
================ Comment at: clang/include/clang/Driver/Options.td:4231 +def flarge_sizes : Flag<["-"],"flarge-sizes">, Group<f_Group>, + HelpText<"Set the default KIND for INTEGER to 8.">; } ---------------- tskeith wrote: > That's not what -flarge-sizes does. Here is the description from > flang/docs/Extensions.md: > > > The default `INTEGER` type is required by the standard to occupy > > the same amount of storage as the default `REAL` type. Default > > `REAL` is of course 32-bit IEEE-754 floating-point today. This legacy > > rule imposes an artificially small constraint in some cases > > where Fortran mandates that something have the default `INTEGER` > > type: specifically, the results of references to the intrinsic functions > > `SIZE`, `STORAGE_SIZE`,`LBOUND`, `UBOUND`, `SHAPE`, and the location > > reductions > > `FINDLOC`, `MAXLOC`, and `MINLOC` in the absence of an explicit > > `KIND=` actual argument. We return `INTEGER(KIND=8)` by default in > > these cases when the `-flarge-sizes` option is enabled. > > `SIZEOF` and `C_SIZEOF` always return `INTEGER(KIND=8)`. It will be tricky to capture all that in a short help text. Would this work: ``` Use INTEGER(KIND=8) for the result type in size-related intrinsics. ``` ? CHANGES SINCE LAST ACTION https://reviews.llvm.org/D96344/new/ https://reviews.llvm.org/D96344 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
