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Re: [PATCH] riscv: adjust -march flags for binutils 2.38
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From: |
Daniel Kiper |
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Subject: |
Re: [PATCH] riscv: adjust -march flags for binutils 2.38 |
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Date: |
Fri, 4 Feb 2022 15:43:06 +0100 |
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User-agent: |
NeoMutt/20170113 (1.7.2) |
On Sat, Jan 29, 2022 at 01:36:55PM +0100, Heinrich Schuchardt wrote:
> As of version 2.38 binutils defaults to ISA specification version
> 2019-12-13. This version of the specification has has separated the
> the csr read/write (csrr*/csrw*) instructions and the fence.i from
> the I extension and put them into separate Zicsr and Zifencei
> extensions.
>
> This implies that we have to adjust the -march flag passed to the
> compiler accordingly.
>
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Daniel
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