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Re: [Qemu-devel] [PATCH 2/2] target/riscv: Add checks for several RVC re
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From: |
Richard Henderson |
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Subject: |
Re: [Qemu-devel] [PATCH 2/2] target/riscv: Add checks for several RVC reserved operands |
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Date: |
Thu, 25 Apr 2019 10:32:43 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 |
On 4/25/19 10:26 AM, Richard Henderson wrote:
> {
> + illegal 011 0 ----- 00000 01 # c.addi16sp, RES nzimm=0
> addi 011 . 00010 ..... 01 @c_addi16sp
> lui 011 . ..... ..... 01 @c_lui
> }
Bah. I just realized the comment should be more like
# c.addi16sp and c.lui, RES nzimm=0
Otherwise one is led to believe that rd=2 is missing
from the illegal pattern.
r~