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Re: [Qemu-devel] [PATCH] target/arm: Don't read r4 from v8M exception st
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From: |
Richard Henderson |
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Subject: |
Re: [Qemu-devel] [PATCH] target/arm: Don't read r4 from v8M exception stackframe twice |
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Date: |
Wed, 3 Oct 2018 14:47:42 -0500 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0 |
On 10/2/18 10:03 AM, Peter Maydell wrote:
> A cut-and-paste error meant we were reading r4 from the v8M
> callee-saves exception stack frame twice. This is harmless
> since it just meant we did two memory accesses to the same
> location, but it's unnecessary. Delete it.
>
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> target/arm/helper.c | 1 -
> 1 file changed, 1 deletion(-)
Reviewed-by: Richard Henderson <address@hidden>
r~