FX Coudert <[EMAIL PROTECTED]> wrote on Mon, 16 Oct 2006:
For Fortran 2003 standard conformance, the Fortran front-end has to
know at compile-time what integer mode corresponds to some C99 types,
like intmax_t, intN_t, int_leastN_t, int_fastN_t.

For intN_t and int_leastN_t, I can see how to get them by looking at
the width of the different integer modes. For intmax_t, it is defined
in c-common.h as:

#define INTMAX_TYPE ((INT_TYPE_SIZE == LONG_LONG_TYPE_SIZE)     \
                     ? "int"                                    \
                     : ((LONG_TYPE_SIZE == LONG_LONG_TYPE_SIZE) \
                        ? "long int"                            \
                        : "long long int"))

But I cannot see how the front-end can know the integer mode for
int_leastN_t. We're likely to include this functionality for the 4.3
release, so I'll be happy to get a large number of suggestions around
on how to implement that.


The code in trans-types.c already matches Fortran types to C types, so you might get some inspiration there.

- Tobi

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