On Tue, Nov 08, 2022 at 03:02:40PM +0100, Aldy Hernandez wrote:
> From d02ce8eaf16d2fc6db6472268fd962e09c2fd81e Mon Sep 17 00:00:00 2001
> From: Aldy Hernandez <[email protected]>
> Date: Mon, 7 Nov 2022 14:18:57 +0100
> Subject: [PATCH] Provide normalized and denormal format version of
> real_isdenormal.
>
> Implement a variant of real_isdenormal() to be used within real.cc
> where the argument is known to be in denormal format. Rewrite
> real_isdenormal() for use outside of real.cc where the argument is
> known to be normalized.
>
> gcc/ChangeLog:
>
> * real.cc (real_isdenormal): New.
> (encode_ieee_single): Call real_isdenormal.
> (encode_ieee_double): Same.
> (encode_ieee_extended): Same.
> (encode_ieee_quad): Same.
> (encode_ieee_half): Same.
> (encode_arm_bfloat_half): Same.
> * real.h (real_isdenormal): Add mode argument. Rewrite for
> normalized values.
> * value-range.cc (frange::flush_denormals_to_zero): Pass mode to
> real_isdenormal.
LGTM, thanks.
Jakub
