Re: How to include "wide int" in code

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On 07/11/2018 06:01 AM, colinb2 . wrote:
Thanks to the two quick responders: I wasn't anticipating such immediate help.

I've looked in gccint.pdf, and I was hoping to find but couldn't something like:
#include <stdlib.h>

If it helps, "wide int" is used in function "choose_multiplier" in expmed.c
which is located here for example: gcc-7.3.0/gcc/expmed.c

I've only ever managed to use "wide int" by making GCC and inserting a "hook"
in "choose_multiplier" which runs some tests and benchmarks comparing using
"wide int" with using fixed width integers "unsigned HOST_WIDE_INT".
I was hoping there was an easier way to do it!

The wide int classes aren't meant to be used outside GCC itself.
They are defined in wide-int.{h,cc} with formatted output support
in wide-int-print.{h,cc}.  AFAICT, the .o files are only linked
into libbackend.a.

Martin





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