From patchwork Mon Feb 27 11:36:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 1748651 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=MYj2Tqht; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4PQJVX1YF0z1yX0 for ; Mon, 27 Feb 2023 22:41:24 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pWbpL-0006uf-So; Mon, 27 Feb 2023 06:37:55 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pWboO-0005on-3B for qemu-devel@nongnu.org; Mon, 27 Feb 2023 06:36:59 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pWboL-0005hm-WA for qemu-devel@nongnu.org; Mon, 27 Feb 2023 06:36:55 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1677497813; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ppDh5MQfY1H9d/ey0ZSfwEgzwSaSdklZrk/hlQ/jJuc=; b=MYj2Tqht56KZT6Su0CcP29xL0Q6yuR+HcIDg9IGBXv0lORcMiK8U6wQry7I5DFrViKdO01 /hKUbPpqy2AQf2by5GGcnb7rQIfxbfs2aViEG10N+y/EOkpplvFHPPrk0RmDlOhQvBe11h IXmuxeP2z02tVJRYeaydbjGjfVVAypo= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-17-l7LZZCBpN6qRsjjf6CAE4g-1; Mon, 27 Feb 2023 06:36:49 -0500 X-MC-Unique: l7LZZCBpN6qRsjjf6CAE4g-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 28343183B3C1; Mon, 27 Feb 2023 11:36:49 +0000 (UTC) Received: from thuth.com (unknown [10.45.227.26]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1F41F1121314; Mon, 27 Feb 2023 11:36:47 +0000 (UTC) From: Thomas Huth To: Peter Maydell , qemu-devel@nongnu.org Cc: Richard Henderson , =?utf-8?q?Philippe_Mat?= =?utf-8?q?hieu-Daud=C3=A9?= , Ilya Leoshkevich Subject: [PULL 21/33] target/s390x: Use tcg_constant_* in translate_vx.c.inc Date: Mon, 27 Feb 2023 12:36:09 +0100 Message-Id: <20230227113621.58468-22-thuth@redhat.com> In-Reply-To: <20230227113621.58468-1-thuth@redhat.com> References: <20230227113621.58468-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.3 Received-SPF: pass client-ip=170.10.129.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Richard Henderson In most cases, this is a simple local allocate and free replaced by tcg_constant_*. In three cases, a variable temp was initialized with a constant value -- reorg to localize the constant. In gen_acc, this fixes a leak. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Ilya Leoshkevich Message-Id: <20230220184052.163465-5-richard.henderson@linaro.org> Signed-off-by: Thomas Huth --- target/s390x/tcg/translate_vx.c.inc | 45 +++++++++++++---------------- 1 file changed, 20 insertions(+), 25 deletions(-) diff --git a/target/s390x/tcg/translate_vx.c.inc b/target/s390x/tcg/translate_vx.c.inc index d39ee81cd6..3fadc82e5c 100644 --- a/target/s390x/tcg/translate_vx.c.inc +++ b/target/s390x/tcg/translate_vx.c.inc @@ -319,12 +319,10 @@ static void gen_gvec128_4_i64(gen_gvec128_4_i64_fn fn, uint8_t d, uint8_t a, static void gen_addi2_i64(TCGv_i64 dl, TCGv_i64 dh, TCGv_i64 al, TCGv_i64 ah, uint64_t b) { - TCGv_i64 bl = tcg_const_i64(b); - TCGv_i64 bh = tcg_const_i64(0); + TCGv_i64 bl = tcg_constant_i64(b); + TCGv_i64 bh = tcg_constant_i64(0); tcg_gen_add2_i64(dl, dh, al, ah, bl, bh); - tcg_temp_free_i64(bl); - tcg_temp_free_i64(bh); } static DisasJumpType op_vbperm(DisasContext *s, DisasOps *o) @@ -609,9 +607,8 @@ static DisasJumpType op_vlei(DisasContext *s, DisasOps *o) return DISAS_NORETURN; } - tmp = tcg_const_i64((int16_t)get_field(s, i2)); + tmp = tcg_constant_i64((int16_t)get_field(s, i2)); write_vec_element_i64(tmp, get_field(s, v1), enr, es); - tcg_temp_free_i64(tmp); return DISAS_NEXT; } @@ -1107,11 +1104,13 @@ static DisasJumpType op_vseg(DisasContext *s, DisasOps *o) static DisasJumpType op_vst(DisasContext *s, DisasOps *o) { - TCGv_i64 tmp = tcg_const_i64(16); + TCGv_i64 tmp; /* Probe write access before actually modifying memory */ - gen_helper_probe_write_access(cpu_env, o->addr1, tmp); + gen_helper_probe_write_access(cpu_env, o->addr1, + tcg_constant_i64(16)); + tmp = tcg_temp_new_i64(); read_vec_element_i64(tmp, get_field(s, v1), 0, ES_64); tcg_gen_qemu_st_i64(tmp, o->addr1, get_mem_index(s), MO_TEUQ); gen_addi_and_wrap_i64(s, o->addr1, o->addr1, 8); @@ -1270,9 +1269,10 @@ static DisasJumpType op_vstm(DisasContext *s, DisasOps *o) } /* Probe write access before actually modifying memory */ - tmp = tcg_const_i64((v3 - v1 + 1) * 16); - gen_helper_probe_write_access(cpu_env, o->addr1, tmp); + gen_helper_probe_write_access(cpu_env, o->addr1, + tcg_constant_i64((v3 - v1 + 1) * 16)); + tmp = tcg_temp_new_i64(); for (;; v1++) { read_vec_element_i64(tmp, v1, 0, ES_64); tcg_gen_qemu_st_i64(tmp, o->addr1, get_mem_index(s), MO_TEUQ); @@ -1359,7 +1359,7 @@ static DisasJumpType op_va(DisasContext *s, DisasOps *o) static void gen_acc(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b, uint8_t es) { const uint8_t msb_bit_nr = NUM_VEC_ELEMENT_BITS(es) - 1; - TCGv_i64 msb_mask = tcg_const_i64(dup_const(es, 1ull << msb_bit_nr)); + TCGv_i64 msb_mask = tcg_constant_i64(dup_const(es, 1ull << msb_bit_nr)); TCGv_i64 t1 = tcg_temp_new_i64(); TCGv_i64 t2 = tcg_temp_new_i64(); TCGv_i64 t3 = tcg_temp_new_i64(); @@ -1416,7 +1416,7 @@ static void gen_acc2_i64(TCGv_i64 dl, TCGv_i64 dh, TCGv_i64 al, { TCGv_i64 th = tcg_temp_new_i64(); TCGv_i64 tl = tcg_temp_new_i64(); - TCGv_i64 zero = tcg_const_i64(0); + TCGv_i64 zero = tcg_constant_i64(0); tcg_gen_add2_i64(tl, th, al, zero, bl, zero); tcg_gen_add2_i64(tl, th, th, zero, ah, zero); @@ -1425,7 +1425,6 @@ static void gen_acc2_i64(TCGv_i64 dl, TCGv_i64 dh, TCGv_i64 al, tcg_temp_free_i64(th); tcg_temp_free_i64(tl); - tcg_temp_free_i64(zero); } static DisasJumpType op_vacc(DisasContext *s, DisasOps *o) @@ -1455,15 +1454,14 @@ static void gen_ac2_i64(TCGv_i64 dl, TCGv_i64 dh, TCGv_i64 al, TCGv_i64 ah, TCGv_i64 bl, TCGv_i64 bh, TCGv_i64 cl, TCGv_i64 ch) { TCGv_i64 tl = tcg_temp_new_i64(); - TCGv_i64 th = tcg_const_i64(0); + TCGv_i64 zero = tcg_constant_i64(0); /* extract the carry only */ tcg_gen_extract_i64(tl, cl, 0, 1); tcg_gen_add2_i64(dl, dh, al, ah, bl, bh); - tcg_gen_add2_i64(dl, dh, dl, dh, tl, th); + tcg_gen_add2_i64(dl, dh, dl, dh, tl, zero); tcg_temp_free_i64(tl); - tcg_temp_free_i64(th); } static DisasJumpType op_vac(DisasContext *s, DisasOps *o) @@ -1484,7 +1482,7 @@ static void gen_accc2_i64(TCGv_i64 dl, TCGv_i64 dh, TCGv_i64 al, TCGv_i64 ah, { TCGv_i64 tl = tcg_temp_new_i64(); TCGv_i64 th = tcg_temp_new_i64(); - TCGv_i64 zero = tcg_const_i64(0); + TCGv_i64 zero = tcg_constant_i64(0); tcg_gen_andi_i64(tl, cl, 1); tcg_gen_add2_i64(tl, th, tl, zero, al, zero); @@ -1495,7 +1493,6 @@ static void gen_accc2_i64(TCGv_i64 dl, TCGv_i64 dh, TCGv_i64 al, TCGv_i64 ah, tcg_temp_free_i64(tl); tcg_temp_free_i64(th); - tcg_temp_free_i64(zero); } static DisasJumpType op_vaccc(DisasContext *s, DisasOps *o) @@ -1597,14 +1594,13 @@ static void gen_avgl_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) static void gen_avgl_i64(TCGv_i64 dl, TCGv_i64 al, TCGv_i64 bl) { TCGv_i64 dh = tcg_temp_new_i64(); - TCGv_i64 zero = tcg_const_i64(0); + TCGv_i64 zero = tcg_constant_i64(0); tcg_gen_add2_i64(dl, dh, al, zero, bl, zero); gen_addi2_i64(dl, dh, dl, dh, 1); tcg_gen_extract2_i64(dl, dl, dh, 1); tcg_temp_free_i64(dh); - tcg_temp_free_i64(zero); } static DisasJumpType op_vavgl(DisasContext *s, DisasOps *o) @@ -2440,7 +2436,7 @@ static void gen_scbi2_i64(TCGv_i64 dl, TCGv_i64 dh, TCGv_i64 al, { TCGv_i64 th = tcg_temp_new_i64(); TCGv_i64 tl = tcg_temp_new_i64(); - TCGv_i64 zero = tcg_const_i64(0); + TCGv_i64 zero = tcg_constant_i64(0); tcg_gen_sub2_i64(tl, th, al, zero, bl, zero); tcg_gen_andi_i64(th, th, 1); @@ -2452,7 +2448,6 @@ static void gen_scbi2_i64(TCGv_i64 dl, TCGv_i64 dh, TCGv_i64 al, tcg_temp_free_i64(th); tcg_temp_free_i64(tl); - tcg_temp_free_i64(zero); } static DisasJumpType op_vscbi(DisasContext *s, DisasOps *o) @@ -2572,11 +2567,12 @@ static DisasJumpType op_vsumq(DisasContext *s, DisasOps *o) return DISAS_NORETURN; } - sumh = tcg_const_i64(0); + sumh = tcg_temp_new_i64(); suml = tcg_temp_new_i64(); - zero = tcg_const_i64(0); + zero = tcg_constant_i64(0); tmpl = tcg_temp_new_i64(); + tcg_gen_mov_i64(sumh, zero); read_vec_element_i64(suml, get_field(s, v3), max_idx, es); for (idx = 0; idx <= max_idx; idx++) { read_vec_element_i64(tmpl, get_field(s, v2), idx, es); @@ -2587,7 +2583,6 @@ static DisasJumpType op_vsumq(DisasContext *s, DisasOps *o) tcg_temp_free_i64(sumh); tcg_temp_free_i64(suml); - tcg_temp_free_i64(zero); tcg_temp_free_i64(tmpl); return DISAS_NEXT; }