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From: | Richard Henderson |
Subject: | Re: [Qemu-arm] [PATCH v3 2/5] target/arm: optimize rev16() using extract op |
Date: | Fri, 12 May 2017 09:50:37 -0700 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.0 |
On 05/11/2017 08:35 PM, Philippe Mathieu-Daudé wrote:
- tcg_gen_shri_i64(tcg_tmp, tcg_rn, 16); - tcg_gen_andi_i64(tcg_tmp, tcg_tmp, 0xffff); + tcg_gen_extract_i64(tcg_tmp, tcg_rn, 16, 0xffff);
So your new script didn't work then? This should be "..., 16, 16);". r~
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