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From: | Richard Henderson |
Subject: | Re: [PATCH 14/33] target/ppc: Implement vsldbi/vsrdbi instructions |
Date: | Fri, 22 Oct 2021 21:07:16 -0700 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 |
On 10/21/21 12:45 PM, matheus.ferst@eldorado.org.br wrote:
+ if (a->sh != 0) { + t2 = tcg_temp_new_i64(); + + /* vrt.l = (vrb.l >> sh) | (vrb.h << (64 - sh)) */ + tcg_gen_shri_i64(t0, t0, a->sh); + tcg_gen_shli_i64(t2, t1, 64 - a->sh); + tcg_gen_or_i64(t0, t0, t2);
tcg_gen_extract2_i64(t0, t1, t0, 64 - a->sh);
+ + /* vrt.h = (vrb.h >> sh) | (vra.l << (64 - sh)) */ + get_avr64(t2, a->vra, false); + tcg_gen_shri_i64(t1, t1, a->sh); + tcg_gen_shli_i64(t2, t2, 64 - a->sh); + tcg_gen_or_i64(t1, t1, t2);
Similarly. r~
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