> -Original Message-
> From: Alex Coplan
> Sent: Wednesday, January 17, 2024 12:59 AM
> To: Andrew Pinski (QUIC)
> Cc: gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH] aarch64: Fix aarch64_ldp_reg_operand predicate not to
> allow all subreg [PR113221]
>
> Hi An
> -Original Message-
> From: Andrew Pinski
> Sent: Wednesday, January 17, 2024 3:29 AM
> To: gcc-patches@gcc.gnu.org
> Cc: Alex Coplan ; Andrew Pinski
>
> Subject: [PATCH] aarch64: Fix aarch64_ldp_reg_operand predicate not to allow
> all subreg [PR113221]
>
> So the problem here is
On Tue, Jan 16, 2024 at 07:29:04PM -0800, Andrew Pinski wrote:
> So the problem here is that aarch64_ldp_reg_operand will all subreg even
> subreg of lo_sum.
> When LRA tries to fix that up, all things break. So the fix is to change the
> check to only
> allow reg and subreg of regs.
>
> Note
Hi Andrew,
On 16/01/2024 19:29, Andrew Pinski wrote:
> So the problem here is that aarch64_ldp_reg_operand will all subreg even
> subreg of lo_sum.
> When LRA tries to fix that up, all things break. So the fix is to change the
> check to only
> allow reg and subreg of regs.
Thanks a lot for