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From: | Richard Henderson |
Subject: | Re: [PATCH v2 3/3] target/mips: implement Octeon-specific arithmetic instructions |
Date: | Thu, 9 Jun 2022 08:53:46 -0700 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 |
On 6/9/22 01:23, Pavel Dovgalyuk wrote:
+static bool trans_BADDU(DisasContext *ctx, arg_BADDU *a) +{ + TCGv t0, t1; + + if (a->rt == 0) { + /* nop */ + return true; + }
I believe that we're standardizing on using gen_store_gpr, and not checking for r0 everywhere.
+static bool trans_EXTS(DisasContext *ctx, arg_EXTS *a) +{ + TCGv t0; + + if (a->rt == 0) { + /* nop */ + return true; + } + + t0 = tcg_temp_new(); + gen_load_gpr(t0, a->rs); + tcg_gen_sextract_tl(t0, t0, a->p, a->lenm1);
a->lenm1 + 1.
+ tcg_gen_deposit_z_tl(t0, t0, a->p, a->lenm1);
Likewise. r~
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