On Thu, 4 Nov 2021, liuhongt via Gcc-patches wrote:
> a and b are same type as the truncation type and has less precision
> than extend type.
Note that this is not safe with -fsignaling-nans, so needs to be disabled
for that option (if there isn't already logic somewhere with that effect),
On Thu, Nov 4, 2021 at 7:45 AM liuhongt wrote:
>
> a and b are same type as the truncation type and has less precision
> than extend type.
>
> Bootstrapped and regtested on x86-64-pc-linux-gnu{-m32,}.
> Ok for trunk?
OK.
Richard.
> gcc/ChangeLog:
>
> PR target/102464
> *
a and b are same type as the truncation type and has less precision
than extend type.
Bootstrapped and regtested on x86-64-pc-linux-gnu{-m32,}.
Ok for trunk?
gcc/ChangeLog:
PR target/102464
* match.pd: simplify (trunc)copysign((extend)a, (extend)b) to
.COPYSIGN (a,b)
