在 2025/7/4 上午11:14, Xi Ruoyao 写道:
On Fri, 2025-07-04 at 09:47 +0800, Lulu Cheng wrote:
在 2025/7/2 下午3:31, Xi Ruoyao 写道:
The register_operand predicate can match subreg, then we'd have a subreg
of subreg and it's invalid. Use lowpart_subreg to avoid the nested
subreg.
gcc/ChangeLog:
在 2025/7/4 上午11:25, Xi Ruoyao 写道:
On Fri, 2025-07-04 at 11:14 +0800, Xi Ruoyao wrote:
On Fri, 2025-07-04 at 09:47 +0800, Lulu Cheng wrote:
在 2025/7/2 下午3:31, Xi Ruoyao 写道:
The register_operand predicate can match subreg, then we'd have a
subreg
of subreg and it's invalid. Use lowpart_subreg
On Fri, 2025-07-04 at 11:14 +0800, Xi Ruoyao wrote:
> On Fri, 2025-07-04 at 09:47 +0800, Lulu Cheng wrote:
> >
> > 在 2025/7/2 下午3:31, Xi Ruoyao 写道:
> > > The register_operand predicate can match subreg, then we'd have a
> > > subreg
> > > of subreg and it's invalid. Use lowpart_subreg to avoid th
On Fri, 2025-07-04 at 09:47 +0800, Lulu Cheng wrote:
>
> 在 2025/7/2 下午3:31, Xi Ruoyao 写道:
> > The register_operand predicate can match subreg, then we'd have a subreg
> > of subreg and it's invalid. Use lowpart_subreg to avoid the nested
> > subreg.
> >
> > gcc/ChangeLog:
> >
> > * config
在 2025/7/2 下午3:31, Xi Ruoyao 写道:
The register_operand predicate can match subreg, then we'd have a subreg
of subreg and it's invalid. Use lowpart_subreg to avoid the nested
subreg.
gcc/ChangeLog:
* config/loongarch/loongarch.md (crc_combine): Avoid nested
subreg.
gcc/tests
The register_operand predicate can match subreg, then we'd have a subreg
of subreg and it's invalid. Use lowpart_subreg to avoid the nested
subreg.
gcc/ChangeLog:
* config/loongarch/loongarch.md (crc_combine): Avoid nested
subreg.
gcc/testsuite/ChangeLog:
* gcc.c-tortu
