On Thu, Sep 25, 2025 at 10:23:44AM +0100, Andre Vieira wrote:
>
> This patch fixes an issue where the first call to bitint_precision_kind would
> return the bitint kind, which was also inconsistent with subsequent calls with
> the same bitint size.
Please add a ChangeLog entry for this and commit it separately from the
rest.
LGTM for trunk.
> diff --git a/gcc/gimple-lower-bitint.cc b/gcc/gimple-lower-bitint.cc
> index 01ce5487b25..28802e3b4aa 100644
> --- a/gcc/gimple-lower-bitint.cc
> +++ b/gcc/gimple-lower-bitint.cc
> @@ -105,7 +105,7 @@ bitint_precision_kind (int prec)
> bitint_big_endian = info.big_endian;
> bitint_extended = info.extended;
> if (!large_min_prec
> - && GET_MODE_PRECISION (limb_mode) < MAX_FIXED_MODE_SIZE)
> + && GET_MODE_PRECISION (limb_mode) <= MAX_FIXED_MODE_SIZE)
> large_min_prec = MAX_FIXED_MODE_SIZE + 1;
> if (!limb_prec)
> limb_prec = GET_MODE_PRECISION (limb_mode);
> @@ -125,9 +125,9 @@ bitint_precision_kind (int prec)
> mid_min_prec = prec;
> return bitint_prec_middle;
> }
> - if (large_min_prec && prec <= large_min_prec)
> - return bitint_prec_large;
> - return bitint_prec_huge;
> + if (huge_min_prec && prec >= huge_min_prec)
> + return bitint_prec_huge;
> + return bitint_prec_large;
> }
>
> /* Same for a TYPE. */
Jakub