> 2023年7月12日 15:44，Richard Biener 写道：
>
> On Wed, Jul 12, 2023 at 5:20 AM YunQiang Su wrote:
>>
>> PR #104914
>>
>> When work with
>> int val;
>> ((unsigned char*)&val)[0] = *buf;
>> The RTX mode is obtained from REG instead of SUBREG,
>> which make D is used instead of .
>> Thus something
On Wed, Jul 12, 2023 at 5:20 AM YunQiang Su wrote:
>
> PR #104914
>
> When work with
> int val;
> ((unsigned char*)&val)[0] = *buf;
> The RTX mode is obtained from REG instead of SUBREG,
> which make D is used instead of .
> Thus something wrong happens on sign-extend default architectures,
>
PR #104914
When work with
int val;
((unsigned char*)&val)[0] = *buf;
The RTX mode is obtained from REG instead of SUBREG,
which make D is used instead of .
Thus something wrong happens on sign-extend default architectures,
like MIPS64.
gcc/ChangeLog:
PR: 104914.
* expmed.cc(st
