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From: | Stefan Brankovic |
Subject: | Re: [Qemu-devel] [PATCH 2/8] target/ppc: Optimize emulation of vsl and vsr instructions |
Date: | Mon, 17 Jun 2019 13:36:10 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 |
On 6.6.19. 19:03, Richard Henderson wrote:
I was aware there must be way of doing it in a single tcg invocation, but couldn't find right tcg instruction. I will apply this in v2.On 6/6/19 5:15 AM, Stefan Brankovic wrote:+ tcg_gen_subi_i64(tmp, sh, 64); + tcg_gen_neg_i64(tmp, tmp);Better as tcg_gen_subfi_i64(tmp, 64, sh);
Kind Regards, Stefan
r~
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