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[173.198.77.218]) by smtp.gmail.com with ESMTPSA id d10-20020aa7868a000000b005cdc64a287dsm3317137pfo.115.2023.02.26.21.44.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 26 Feb 2023 21:44:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=4GAyAzn2ZAR1Xu40Rif6JsZO69wqLVIHDcxI5i2jvKA=; b=akYJCbEx4Mz8DVowhrD2O3jxEtkwnC/v46zN4VlbzCODRxaAu9HTPum1MzvvBSAVTm Bkl+CkiJi+c4+EyW+gkoMC3Mbar5T5aJ7UKgg1UgFs4AX3Z3D93Y95pvB/luRK+HJfuj UIkGV9IJ87f/+8XomXrRDMKzBrhlkwYNTcycmM5Ykzpmdib/YlCTiSkPqF6G1U0DQmAN geb1D/IdUBzpXlxfFiKTAabrSqj2CuyA5JOoWsIanOgGEOESoomEmSM+d53SNuZwf7kI YRhPvX9XvBG+UfLuLago5o+U3tRe5ukzapOEPL/9vZ0uWX+Mjm3MehhnHVc6SF8ubJwh h5QA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=4GAyAzn2ZAR1Xu40Rif6JsZO69wqLVIHDcxI5i2jvKA=; b=uxhbgoCTS87I98ORyfYxixdzEjzlAVXfdqsbQDHCxL9LkrAFkBOfxqAEPp9AEhJOFp 6mresTLNcYkWZfR/4qG/NQV0NYm+UvKCMkM+Zm9rpxLqR5VP6GVti8CkOVtmSuuLpLO6 pjjV2jMB1hcRRHbSVKUHTdB9FTyH7JsIcvNJC8R6PuARLd2XNhzypCqQA+Wdw3FPqBl8 VgLpmr9rfuGzKC9Gd/LQOVvSpaOWad8OqLcwrBJgQ/RZPBxdAI6/JAHdxhtAAR5+LCbh 3ljO9I8N8d92hO5Wt2FZTkQySEh0EFkwFotdJvGrOCJoUB4kFXftP3q402O+wyh/84SA tG0w== X-Gm-Message-State: AO0yUKVXkcQS+obnhOQzSxHSJdZU/rKg8RrR4ER+kWB9z12krX3jawdz Mq0K8nc5+/bJq+UEntQrrp5RX+cuvQYAsqjnQsM= X-Google-Smtp-Source: AK7set8D9QmFnAJBxjZ5ruC6nBxqWl0y6q/o5fdlTZR3Yfz6T0+AL/yobqfUdsoxOtUrJ5XB9QnIZw== X-Received: by 2002:aa7:8ecc:0:b0:5a8:bcf2:125 with SMTP id b12-20020aa78ecc000000b005a8bcf20125mr18566963pfr.21.1677476658975; Sun, 26 Feb 2023 21:44:18 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, qemu-ppc@nongnu.org, qemu-riscv@nongnu.org, qemu-s390x@nongnu.org, jcmvbkbc@gmail.com, kbastian@mail.uni-paderborn.de, ysato@users.sourceforge.jp, gaosong@loongson.cn, jiaxun.yang@flygoat.com, tsimpson@quicinc.com, ale@rev.ng, mrolnik@gmail.com, edgar.iglesias@gmail.com Subject: [PATCH 36/70] target/ppc: Avoid tcg_const_i64 in do_vcntmb Date: Sun, 26 Feb 2023 19:41:59 -1000 Message-Id: <20230227054233.390271-37-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230227054233.390271-1-richard.henderson@linaro.org> References: <20230227054233.390271-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::430; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x430.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1677484914889100001 Content-Type: text/plain; charset="utf-8" Compute both partial results separately and accumulate at the end, instead of accumulating in the middle. Signed-off-by: Richard Henderson --- target/ppc/translate/vmx-impl.c.inc | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx= -impl.c.inc index 7af6d7217d..ca27c11d87 100644 --- a/target/ppc/translate/vmx-impl.c.inc +++ b/target/ppc/translate/vmx-impl.c.inc @@ -2236,24 +2236,25 @@ static bool trans_MTVSRBMI(DisasContext *ctx, arg_D= X_b *a) =20 static bool do_vcntmb(DisasContext *ctx, arg_VX_mp *a, int vece) { - TCGv_i64 rt, vrb, mask; - rt =3D tcg_const_i64(0); - vrb =3D tcg_temp_new_i64(); + TCGv_i64 r[2], mask; + + r[0] =3D tcg_temp_new_i64(); + r[1] =3D tcg_temp_new_i64(); mask =3D tcg_constant_i64(dup_const(vece, 1ULL << ((8 << vece) - 1))); =20 for (int i =3D 0; i < 2; i++) { - get_avr64(vrb, a->vrb, i); + get_avr64(r[i], a->vrb, i); if (a->mp) { - tcg_gen_and_i64(vrb, mask, vrb); + tcg_gen_and_i64(r[i], mask, r[i]); } else { - tcg_gen_andc_i64(vrb, mask, vrb); + tcg_gen_andc_i64(r[i], mask, r[i]); } - tcg_gen_ctpop_i64(vrb, vrb); - tcg_gen_add_i64(rt, rt, vrb); + tcg_gen_ctpop_i64(r[i], r[i]); } =20 - tcg_gen_shli_i64(rt, rt, TARGET_LONG_BITS - 8 + vece); - tcg_gen_trunc_i64_tl(cpu_gpr[a->rt], rt); + tcg_gen_add_i64(r[0], r[0], r[1]); + tcg_gen_shli_i64(r[0], r[0], TARGET_LONG_BITS - 8 + vece); + tcg_gen_trunc_i64_tl(cpu_gpr[a->rt], r[0]); return true; } =20 --=20 2.34.1