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Re: [PATCH 14/30] tcg/loongarch: Implement bswap32_i32/bswap64_i64

From: Richard Henderson
Subject: Re: [PATCH 14/30] tcg/loongarch: Implement bswap32_i32/bswap64_i64
Date: Mon, 20 Sep 2021 11:20:45 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 
On 9/20/21 8:11 AM, Richard Henderson wrote:

         } else if (a2 & TCG_BSWAP_OZ) {
             tcg_out_ext32u(s, a0, a0);
         }


Actually,

  if ((a2 & (TCG_BSWAP_IZ | TCG_BSWAP_OZ)) == TCG_BSWAP_OZ)

If the input is zero-extended, the output of revb_2w will also be zero-extended 
already.


r~
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