GCSE: Use HOST_WIDE_INT instead of int (PR, rtl-optimization/79574).
Bernd Schmidt
bschmidt@redhat.com
Thu Mar 2 19:58:00 GMT 2017
On 03/02/2017 06:50 PM, Martin Liška wrote:
> Hello.
>
> This is second part of fixes needed to not trigger integer overflow in gcse pass.
So, how is this intended to work? The min/max stored in the param is an
int, and by using a HOST_WIDE_INT here, we expect that it is a larger
type and therefore won't overflow?
> {
> expr = flat_table[i];
> fprintf (file, "Index %d (hash value %d; max distance %d)\n ",
> - expr->bitmap_index, hash_val[i], expr->max_distance);
> + expr->bitmap_index, hash_val[i], (int)expr->max_distance);
> print_rtl (file, expr->expr);
> fprintf (file, "\n");
Use HOST_WIDE_INT_PRINT_DEC maybe? Otherwise OK, I guess.
Bernd
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