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Re: [PATCH v5 08/11] target/loongarch: Reject la64-only instructions in


From: Richard Henderson
Subject: Re: [PATCH v5 08/11] target/loongarch: Reject la64-only instructions in la32 mode
Date: Fri, 11 Aug 2023 08:18:17 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0

On 8/11/23 01:12, gaosong wrote:
+TRANS_64(sra_d, gen_rrr, EXT_NONE, EXT_NONE, EXT_NONE, gen_sra_d)
  TRANS(rotr_w, gen_rrr, EXT_ZERO, EXT_NONE, EXT_SIGN, gen_rotr_w)
TRANS_64(rotr_w, ...)
...
  TRANS(rotri_w, gen_rri_v, EXT_NONE, EXT_NONE, gen_rotr_w)
TRANS_64(rotri_w, ...)

I see the manual from https://www.loongson.cn/download/index

insn cpucfg also not support on la32.


I see all 3 of these, ROTR.W, ROTRI.W and CPUCFG listed in Table 2 at

https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html#overview-of-basic-integer-instructions


r~



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