> -Original Message-
> From: Stam Markianos-Wright
> Sent: Wednesday, May 3, 2023 1:19 PM
> To: Kyrylo Tkachov ; Andrea Corallo
> ; gcc-patches@gcc.gnu.org
> Cc: Richard Earnshaw
> Subject: Re: [PATCH 04/10] arm: Stop vadcq, vsbcq intrinsics from overwriting
On 28/04/2023 17:45, Kyrylo Tkachov wrote:
Hi Andrea, Stam,
-Original Message-
From: Andrea Corallo
Sent: Friday, April 28, 2023 12:30 PM
To: gcc-patches@gcc.gnu.org
Cc: Kyrylo Tkachov ; Richard Earnshaw
; Stam Markianos-Wright
Subject: [PATCH 04/10] arm: Stop vadcq, vsbcq
Hi Andrea, Stam,
> -Original Message-
> From: Andrea Corallo
> Sent: Friday, April 28, 2023 12:30 PM
> To: gcc-patches@gcc.gnu.org
> Cc: Kyrylo Tkachov ; Richard Earnshaw
> ; Stam Markianos-Wright wri...@arm.com>
> Subject: [PATCH 04/10] arm: Stop vadc
From: Stam Markianos-Wright
Hi all,
We noticed that calls to the vadcq and vsbcq intrinsics, both of
which use __builtin_arm_set_fpscr_nzcvqc to set the Carry flag in
the FPSCR, would produce the following code:
```
< r2 is the *carry input >
vmrsr3, FPSCR_nzcvqc
bic r3, r3, #536870912
