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Re: Desire to allocate bit in DT_PARM bitmask for DEC FORMAT compatibility purposes
- From: Jakub Jelinek <jakub at redhat dot com>
- To: Jeff Law <law at redhat dot com>
- Cc: fortran at gcc dot gnu dot org, gcc-patches <gcc-patches at gcc dot gnu dot org>
- Date: Wed, 21 Mar 2018 18:25:34 +0100
- Subject: Re: Desire to allocate bit in DT_PARM bitmask for DEC FORMAT compatibility purposes
- References: <05ca4109-b7bc-ac98-439e-bb62f1796fe8@redhat.com>
- Reply-to: Jakub Jelinek <jakub at redhat dot com>
On Tue, Mar 20, 2018 at 12:41:25PM -0600, Jeff Law wrote:
> This is documented in the old manuals from DEC and I've found
> essentially the same documentation in Oracle/Sun's current documentation
> as well as old MIPS documentation. I have a high degree of confidence
> it exists in IBM's Fortran compilers as well. In contrast Intel & PCG's
> Fortran compilers do not seem to support this extension.
My testing disagrees with the last one, at least ifort 17.0.4 handles
the default widths like this patch does with -fdec.
Jakub