PING^1 [PATCH] rs6000: Adjust mov optabs for opaque modes [PR103353]

["Kewen.Lin" <linkw@linux.ibm.com>]

Hi,

Gentle ping: https://gcc.gnu.org/pipermail/gcc-patches/2022-March/591150.html

BR,
Kewen

on 2022/3/3 4:38 PM, Kewen.Lin via Gcc-patches wrote:
> Hi,
> 
> As PR103353 shows, we may want to continue to expand a MMA built-in
> function like a normal function, even if we have already emitted
> error messages about some missing required conditions.  As shown in
> that PR, without one explicit mov optab on OOmode provided, it would
> call emit_move_insn recursively.
> 
> So this patch is to allow the mov pattern to be generated when we are
> expanding to RTL and have seen errors even without MMA supported, it's
> expected that the generated pattern would not cause further ICEs as the
> compilation would stop soon after expanding.
> 
> Bootstrapped and regtested on powerpc64-linux-gnu P8 and
> powerpc64le-linux-gnu P9 and P10.
> 
> Is it ok for trunk?
> 
> BR,
> Kewen
> ------
> 
> 	PR target/103353
> 
> gcc/ChangeLog:
> 
> 	* config/rs6000/mma.md (define_expand movoo): Move TARGET_MMA condition
> 	check to preparation statements and add handlings for !TARGET_MMA.
> 	(define_expand movxo): Likewise.