From patchwork Fri Oct 4 20:26:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 13822982 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E8A37CF8857 for ; Fri, 4 Oct 2024 20:27:37 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1swot6-0007kG-HT; Fri, 04 Oct 2024 16:26:57 -0400 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 1swot0-0007j0-03 for qemu-devel@nongnu.org; Fri, 04 Oct 2024 16:26:50 -0400 Received: from mail-lf1-x135.google.com ([2a00:1450:4864:20::135]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1swosw-0007rQ-Gx for qemu-devel@nongnu.org; Fri, 04 Oct 2024 16:26:49 -0400 Received: by mail-lf1-x135.google.com with SMTP id 2adb3069b0e04-5389fbb28f3so2580322e87.1 for ; Fri, 04 Oct 2024 13:26:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1728073604; x=1728678404; darn=nongnu.org; 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=EoDHGFnGaGJwq3TS2KGzN1Vzu1zC77gN5n+3+uh4pfA=; b=UGSlMeSPs4Tn2XWNpFdpisahX2G+1QYRCtpxv0GSnRPtmfa6qomgJyALgMoKojP8zp Xmock4F+ER8vZWIx0Y7K09t14keZJBNKTARAP05n5EL3mu6usMUavjKiSj6aGVG+gIet uT+Z4Na08oAzfwKJgARxH9ye1BCEyIqAOFjSYe4Ec+aVzEOm7GR/SNZzQBD10oFX2yv+ 0Pg9aVP93r+Ii9FAkRkqgUuBB1Fx0UaUJO7uIKHhoT0b+2Ihux6KZSPH17LnQ7DtH//8 LeD+xRQvNkHD/e0Qdh4e+Ji7McraVEfTDD9VrVmW6ioFWjQcIGveXikx6XreEihmrAbZ V7UA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728073604; x=1728678404; 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=EoDHGFnGaGJwq3TS2KGzN1Vzu1zC77gN5n+3+uh4pfA=; b=OVu2ReoxhyPgV4RbZzEVm21cmtOitt5t2kFRCxgAKe7cgpZF/VM4mOQUAsRNFn+Re7 g40Z6jdO0OjwmRcNTjUz9rkJxoT57jYp9kPjeQgfFiilQw2hGk55hMewMcoF3R1LCGHF PWPCwFlV60u4jkjwWgqHS61wboVILc1THLzbWTSAa/ziZXD4MG2lkiYyd7sgOmGvY/Ep mdb8fUHf3Qf5Rx8F0mT5RTnelNQTMPCwzJEfZ1C0hrtYMnafKUCmuBSHSk7pczKCSFAn n3pNYzj90v0CxFoMoh828ZCcUarVVM1kknhMLBacohFtpBi+ZsUEwHPkMrdABLD+VPCv blZg== X-Gm-Message-State: AOJu0YxPriPcDUHSWtg8A/sD2PQ+Ez1CGLVn58PI/xoPiuA0U1hJs22D ieNW6MPoNBEBPw0KuAL3/l4FFCzTjL7RRwAtOQo8/jY4upZ+sUdLGI1bxFwuKTP8vDOPj9d8ura XXL3FLA== X-Google-Smtp-Source: AGHT+IG74cscbD9MCbSx+4bu2x+87LfrnEAuYfJ88YZTz6ec+zrPA2wXgtd+3iSbQIIH2p55SjELog== X-Received: by 2002:a05:6512:3c8a:b0:539:896e:46ce with SMTP id 2adb3069b0e04-539ac17ebdcmr1274930e87.28.1728073604008; Fri, 04 Oct 2024 13:26:44 -0700 (PDT) Received: from localhost.localdomain ([91.209.212.135]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-539aff28077sm50154e87.255.2024.10.04.13.26.38 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 04 Oct 2024 13:26:42 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Richard Henderson , qemu-ppc@nongnu.org, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [PATCH 1/3] target/mips: Use tcg_constant_tl() instead of tcg_gen_movi_tl() Date: Fri, 4 Oct 2024 17:26:19 -0300 Message-ID: <20241004202621.4321-2-philmd@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241004202621.4321-1-philmd@linaro.org> References: <20241004202621.4321-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::135; envelope-from=philmd@linaro.org; helo=mail-lf1-x135.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=unavailable 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Directly use tcg_constant_tl() for constant integer, this save a call to tcg_gen_movi_tl(), often saving a temp register. Most of the places found using the following Coccinelle spatch script: @@ identifier tmp; constant val; @@ * TCGv tmp = tcg_temp_new(); ... * tcg_gen_movi_tl(tmp, val); @@ identifier tmp; int val; @@ * TCGv tmp = tcg_temp_new(); ... * tcg_gen_movi_i64(tmp, val); Suggested-by: Richard Henderson Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson --- Based-on: <20240930091101.40591-1-philmd@linaro.org> --- target/mips/tcg/translate.c | 56 ++++------- target/mips/tcg/micromips_translate.c.inc | 12 +-- target/mips/tcg/mips16e_translate.c.inc | 15 +-- target/mips/tcg/nanomips_translate.c.inc | 114 ++++++++-------------- 4 files changed, 68 insertions(+), 129 deletions(-) diff --git a/target/mips/tcg/translate.c b/target/mips/tcg/translate.c index 591e1351216..9f3579a0012 100644 --- a/target/mips/tcg/translate.c +++ b/target/mips/tcg/translate.c @@ -2253,8 +2253,7 @@ static void gen_st_cond(DisasContext *ctx, int rt, int base, int offset, /* compare the address against that of the preceding LL */ gen_base_offset_addr(ctx, addr, base, offset); tcg_gen_brcond_tl(TCG_COND_EQ, addr, cpu_lladdr, l1); - tcg_gen_movi_tl(t0, 0); - gen_store_gpr(t0, rt); + gen_store_gpr(tcg_constant_tl(0), rt); tcg_gen_br(done); gen_set_label(l1); @@ -3060,8 +3059,7 @@ static void gen_r6_muldiv(DisasContext *ctx, int opc, int rd, int rs, int rt) tcg_gen_and_tl(t2, t2, t3); tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); tcg_gen_or_tl(t2, t2, t3); - tcg_gen_movi_tl(t3, 0); - tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); + tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, tcg_constant_tl(0), t2, t1); tcg_gen_div_tl(cpu_gpr[rd], t0, t1); tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); } @@ -3077,30 +3075,27 @@ static void gen_r6_muldiv(DisasContext *ctx, int opc, int rd, int rs, int rt) tcg_gen_and_tl(t2, t2, t3); tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); tcg_gen_or_tl(t2, t2, t3); - tcg_gen_movi_tl(t3, 0); - tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); + tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, tcg_constant_tl(0), t2, t1); tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); } break; case R6_OPC_DIVU: { - TCGv t2 = tcg_constant_tl(0); - TCGv t3 = tcg_constant_tl(1); tcg_gen_ext32u_tl(t0, t0); tcg_gen_ext32u_tl(t1, t1); - tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); + tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, + tcg_constant_tl(0), tcg_constant_tl(1), t1); tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); } break; case R6_OPC_MODU: { - TCGv t2 = tcg_constant_tl(0); - TCGv t3 = tcg_constant_tl(1); tcg_gen_ext32u_tl(t0, t0); tcg_gen_ext32u_tl(t1, t1); - tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); + tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, + tcg_constant_tl(0), tcg_constant_tl(1), t1); tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); } @@ -3155,8 +3150,7 @@ static void gen_r6_muldiv(DisasContext *ctx, int opc, int rd, int rs, int rt) tcg_gen_and_tl(t2, t2, t3); tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); tcg_gen_or_tl(t2, t2, t3); - tcg_gen_movi_tl(t3, 0); - tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); + tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, tcg_constant_tl(0), t2, t1); tcg_gen_div_tl(cpu_gpr[rd], t0, t1); } break; @@ -3169,24 +3163,21 @@ static void gen_r6_muldiv(DisasContext *ctx, int opc, int rd, int rs, int rt) tcg_gen_and_tl(t2, t2, t3); tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); tcg_gen_or_tl(t2, t2, t3); - tcg_gen_movi_tl(t3, 0); - tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); + tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, tcg_constant_tl(0), t2, t1); tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); } break; case R6_OPC_DDIVU: { - TCGv t2 = tcg_constant_tl(0); - TCGv t3 = tcg_constant_tl(1); - tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); + tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, + tcg_constant_tl(0), tcg_constant_tl(1), t1); tcg_gen_divu_i64(cpu_gpr[rd], t0, t1); } break; case R6_OPC_DMODU: { - TCGv t2 = tcg_constant_tl(0); - TCGv t3 = tcg_constant_tl(1); - tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); + tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, + tcg_constant_tl(0), tcg_constant_tl(1), t1); tcg_gen_remu_i64(cpu_gpr[rd], t0, t1); } break; @@ -3239,8 +3230,7 @@ static void gen_div1_tx79(DisasContext *ctx, uint32_t opc, int rs, int rt) tcg_gen_and_tl(t2, t2, t3); tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); tcg_gen_or_tl(t2, t2, t3); - tcg_gen_movi_tl(t3, 0); - tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); + tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, tcg_constant_tl(0), t2, t1); tcg_gen_div_tl(cpu_LO[1], t0, t1); tcg_gen_rem_tl(cpu_HI[1], t0, t1); tcg_gen_ext32s_tl(cpu_LO[1], cpu_LO[1]); @@ -3295,8 +3285,7 @@ static void gen_muldiv(DisasContext *ctx, uint32_t opc, tcg_gen_and_tl(t2, t2, t3); tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); tcg_gen_or_tl(t2, t2, t3); - tcg_gen_movi_tl(t3, 0); - tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); + tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, tcg_constant_tl(0), t2, t1); tcg_gen_div_tl(cpu_LO[acc], t0, t1); tcg_gen_rem_tl(cpu_HI[acc], t0, t1); tcg_gen_ext32s_tl(cpu_LO[acc], cpu_LO[acc]); @@ -3348,17 +3337,15 @@ static void gen_muldiv(DisasContext *ctx, uint32_t opc, tcg_gen_and_tl(t2, t2, t3); tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); tcg_gen_or_tl(t2, t2, t3); - tcg_gen_movi_tl(t3, 0); - tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); + tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, tcg_constant_tl(0), t2, t1); tcg_gen_div_tl(cpu_LO[acc], t0, t1); tcg_gen_rem_tl(cpu_HI[acc], t0, t1); } break; case OPC_DDIVU: { - TCGv t2 = tcg_constant_tl(0); - TCGv t3 = tcg_constant_tl(1); - tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); + tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, + tcg_constant_tl(0), tcg_constant_tl(1), t1); tcg_gen_divu_i64(cpu_LO[acc], t0, t1); tcg_gen_remu_i64(cpu_HI[acc], t0, t1); } @@ -11428,17 +11415,12 @@ static void gen_compute_compact_branch(DisasContext *ctx, uint32_t opc, void gen_addiupc(DisasContext *ctx, int rx, int imm, int is_64_bit, int extended) { - TCGv t0; - if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) { gen_reserved_instruction(ctx); return; } - t0 = tcg_temp_new(); - - tcg_gen_movi_tl(t0, pc_relative_pc(ctx)); - tcg_gen_addi_tl(cpu_gpr[rx], t0, imm); + tcg_gen_addi_tl(cpu_gpr[rx], tcg_constant_tl(pc_relative_pc(ctx)), imm); if (!is_64_bit) { tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]); } diff --git a/target/mips/tcg/micromips_translate.c.inc b/target/mips/tcg/micromips_translate.c.inc index 171508f7deb..d044592f83e 100644 --- a/target/mips/tcg/micromips_translate.c.inc +++ b/target/mips/tcg/micromips_translate.c.inc @@ -980,8 +980,7 @@ static void gen_ldst_pair(DisasContext *ctx, uint32_t opc, int rd, tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, mo_endian(ctx) | MO_SL | ctx->default_tcg_memop_mask); gen_store_gpr(t1, rd); - tcg_gen_movi_tl(t1, 4); - gen_op_addr_add(ctx, t0, t0, t1); + gen_op_addr_add(ctx, t0, t0, tcg_constant_tl(4)); tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, mo_endian(ctx) | MO_SL | ctx->default_tcg_memop_mask); gen_store_gpr(t1, rd + 1); @@ -990,8 +989,7 @@ static void gen_ldst_pair(DisasContext *ctx, uint32_t opc, int rd, gen_load_gpr(t1, rd); tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, mo_endian(ctx) | MO_UL | ctx->default_tcg_memop_mask); - tcg_gen_movi_tl(t1, 4); - gen_op_addr_add(ctx, t0, t0, t1); + gen_op_addr_add(ctx, t0, t0, tcg_constant_tl(4)); gen_load_gpr(t1, rd + 1); tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, mo_endian(ctx) | MO_UL | ctx->default_tcg_memop_mask); @@ -1005,8 +1003,7 @@ static void gen_ldst_pair(DisasContext *ctx, uint32_t opc, int rd, tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, mo_endian(ctx) | MO_UQ | ctx->default_tcg_memop_mask); gen_store_gpr(t1, rd); - tcg_gen_movi_tl(t1, 8); - gen_op_addr_add(ctx, t0, t0, t1); + gen_op_addr_add(ctx, t0, t0, tcg_constant_tl(8)); tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, mo_endian(ctx) | MO_UQ | ctx->default_tcg_memop_mask); gen_store_gpr(t1, rd + 1); @@ -1015,8 +1012,7 @@ static void gen_ldst_pair(DisasContext *ctx, uint32_t opc, int rd, gen_load_gpr(t1, rd); tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, mo_endian(ctx) | MO_UQ | ctx->default_tcg_memop_mask); - tcg_gen_movi_tl(t1, 8); - gen_op_addr_add(ctx, t0, t0, t1); + gen_op_addr_add(ctx, t0, t0, tcg_constant_tl(8)); gen_load_gpr(t1, rd + 1); tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, mo_endian(ctx) | MO_UQ | ctx->default_tcg_memop_mask); diff --git a/target/mips/tcg/mips16e_translate.c.inc b/target/mips/tcg/mips16e_translate.c.inc index 28684b08fe3..e770372b4c2 100644 --- a/target/mips/tcg/mips16e_translate.c.inc +++ b/target/mips/tcg/mips16e_translate.c.inc @@ -130,10 +130,8 @@ static int xlat(int r) static void decr_and_store(DisasContext *ctx, unsigned regidx, TCGv t0) { TCGv t1 = tcg_temp_new(); - TCGv t2 = tcg_temp_new(); - tcg_gen_movi_tl(t2, -4); - gen_op_addr_add(ctx, t0, t0, t2); + gen_op_addr_add(ctx, t0, t0, tcg_constant_tl(-4)); gen_load_gpr(t1, regidx); tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, mo_endian(ctx) | MO_UL | ctx->default_tcg_memop_mask); @@ -146,7 +144,6 @@ static void gen_mips16_save(DisasContext *ctx, { TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); - TCGv t2 = tcg_temp_new(); int args, astatic; switch (aregs) { @@ -286,8 +283,7 @@ static void gen_mips16_save(DisasContext *ctx, } } - tcg_gen_movi_tl(t2, -framesize); - gen_op_addr_add(ctx, cpu_gpr[29], cpu_gpr[29], t2); + gen_op_addr_add(ctx, cpu_gpr[29], cpu_gpr[29], tcg_constant_tl(-framesize)); } static void decr_and_load(DisasContext *ctx, unsigned regidx, TCGv t0) @@ -307,10 +303,8 @@ static void gen_mips16_restore(DisasContext *ctx, { int astatic; TCGv t0 = tcg_temp_new(); - TCGv t2 = tcg_temp_new(); - tcg_gen_movi_tl(t2, framesize); - gen_op_addr_add(ctx, t0, cpu_gpr[29], t2); + gen_op_addr_add(ctx, t0, cpu_gpr[29], tcg_constant_tl(-framesize)); if (do_ra) { decr_and_load(ctx, 31, t0); @@ -390,8 +384,7 @@ static void gen_mips16_restore(DisasContext *ctx, } } - tcg_gen_movi_tl(t2, framesize); - gen_op_addr_add(ctx, cpu_gpr[29], cpu_gpr[29], t2); + gen_op_addr_add(ctx, cpu_gpr[29], cpu_gpr[29], tcg_constant_tl(-framesize)); } #if defined(TARGET_MIPS64) diff --git a/target/mips/tcg/nanomips_translate.c.inc b/target/mips/tcg/nanomips_translate.c.inc index c37ea7273d2..a64e9fef017 100644 --- a/target/mips/tcg/nanomips_translate.c.inc +++ b/target/mips/tcg/nanomips_translate.c.inc @@ -1052,8 +1052,7 @@ static void gen_scwp(DisasContext *ctx, uint32_t base, int16_t offset, tcg_gen_movi_tl(cpu_gpr[reg1], 0); } gen_set_label(lab_done); - tcg_gen_movi_tl(lladdr, -1); - tcg_gen_st_tl(lladdr, tcg_env, offsetof(CPUMIPSState, lladdr)); + tcg_gen_st_tl(tcg_constant_tl(-1), tcg_env, offsetof(CPUMIPSState, lladdr)); } static void gen_adjust_sp(DisasContext *ctx, int u) @@ -1543,7 +1542,6 @@ static void gen_pool32axf_1_nanomips_insn(DisasContext *ctx, uint32_t opc, { int16_t imm; TCGv t0 = tcg_temp_new(); - TCGv t1 = tcg_temp_new(); TCGv v0_t = tcg_temp_new(); gen_load_gpr(v0_t, v1); @@ -1570,12 +1568,10 @@ static void gen_pool32axf_1_nanomips_insn(DisasContext *ctx, uint32_t opc, check_dsp(ctx); switch (extract32(ctx->opcode, 12, 2)) { case NM_MTHLIP: - tcg_gen_movi_tl(t0, v2 >> 3); - gen_helper_mthlip(t0, v0_t, tcg_env); + gen_helper_mthlip(tcg_constant_tl(v2 >> 3), v0_t, tcg_env); break; case NM_SHILOV: - tcg_gen_movi_tl(t0, v2 >> 3); - gen_helper_shilo(t0, v0_t, tcg_env); + gen_helper_shilo(tcg_constant_tl(v2 >> 3), v0_t, tcg_env); break; default: gen_reserved_instruction(ctx); @@ -1587,39 +1583,34 @@ static void gen_pool32axf_1_nanomips_insn(DisasContext *ctx, uint32_t opc, imm = extract32(ctx->opcode, 14, 7); switch (extract32(ctx->opcode, 12, 2)) { case NM_RDDSP: - tcg_gen_movi_tl(t0, imm); - gen_helper_rddsp(t0, t0, tcg_env); + gen_helper_rddsp(t0, tcg_constant_tl(imm), tcg_env); gen_store_gpr(t0, ret); break; case NM_WRDSP: gen_load_gpr(t0, ret); - tcg_gen_movi_tl(t1, imm); - gen_helper_wrdsp(t0, t1, tcg_env); + gen_helper_wrdsp(t0, tcg_constant_tl(imm), tcg_env); break; case NM_EXTP: - tcg_gen_movi_tl(t0, v2 >> 3); - tcg_gen_movi_tl(t1, v1); - gen_helper_extp(t0, t0, t1, tcg_env); + gen_helper_extp(t0, tcg_constant_tl(v2 >> 3), + tcg_constant_tl(v1), tcg_env); gen_store_gpr(t0, ret); break; case NM_EXTPDP: - tcg_gen_movi_tl(t0, v2 >> 3); - tcg_gen_movi_tl(t1, v1); - gen_helper_extpdp(t0, t0, t1, tcg_env); + gen_helper_extpdp(t0, tcg_constant_tl(v2 >> 3), + tcg_constant_tl(v1), tcg_env); gen_store_gpr(t0, ret); break; } break; case NM_POOL32AXF_1_4: check_dsp(ctx); - tcg_gen_movi_tl(t0, v2 >> 2); switch (extract32(ctx->opcode, 12, 1)) { case NM_SHLL_QB: - gen_helper_shll_qb(t0, t0, v0_t, tcg_env); + gen_helper_shll_qb(t0, tcg_constant_tl(v2 >> 2), v0_t, tcg_env); gen_store_gpr(t0, ret); break; case NM_SHRL_QB: - gen_helper_shrl_qb(t0, t0, v0_t); + gen_helper_shrl_qb(t0, tcg_constant_tl(v2 >> 2), v0_t); gen_store_gpr(t0, ret); break; } @@ -1630,23 +1621,25 @@ static void gen_pool32axf_1_nanomips_insn(DisasContext *ctx, uint32_t opc, break; case NM_POOL32AXF_1_7: check_dsp(ctx); - tcg_gen_movi_tl(t0, v2 >> 3); - tcg_gen_movi_tl(t1, v1); switch (extract32(ctx->opcode, 12, 2)) { case NM_EXTR_W: - gen_helper_extr_w(t0, t0, t1, tcg_env); + gen_helper_extr_w(t0, tcg_constant_tl(v2 >> 3), + tcg_constant_tl(v1), tcg_env); gen_store_gpr(t0, ret); break; case NM_EXTR_R_W: - gen_helper_extr_r_w(t0, t0, t1, tcg_env); + gen_helper_extr_r_w(t0, tcg_constant_tl(v2 >> 3), + tcg_constant_tl(v1), tcg_env); gen_store_gpr(t0, ret); break; case NM_EXTR_RS_W: - gen_helper_extr_rs_w(t0, t0, t1, tcg_env); + gen_helper_extr_rs_w(t0, tcg_constant_tl(v2 >> 3), + tcg_constant_tl(v1), tcg_env); gen_store_gpr(t0, ret); break; case NM_EXTR_S_H: - gen_helper_extr_s_h(t0, t0, t1, tcg_env); + gen_helper_extr_s_h(t0, tcg_constant_tl(v2 >> 3), + tcg_constant_tl(v1), tcg_env); gen_store_gpr(t0, ret); break; } @@ -1848,8 +1841,7 @@ static void gen_pool32axf_2_nanomips_insn(DisasContext *ctx, uint32_t opc, case NM_EXTRV_W: check_dsp(ctx); gen_load_gpr(v1_t, rs); - tcg_gen_movi_tl(t0, rd >> 3); - gen_helper_extr_w(t0, t0, v1_t, tcg_env); + gen_helper_extr_w(t0, tcg_constant_tl(rd >> 3), v1_t, tcg_env); gen_store_gpr(t0, ret); break; } @@ -1903,8 +1895,7 @@ static void gen_pool32axf_2_nanomips_insn(DisasContext *ctx, uint32_t opc, break; case NM_EXTRV_R_W: check_dsp(ctx); - tcg_gen_movi_tl(t0, rd >> 3); - gen_helper_extr_r_w(t0, t0, v1_t, tcg_env); + gen_helper_extr_r_w(t0, tcg_constant_tl(rd >> 3), v1_t, tcg_env); gen_store_gpr(t0, ret); break; default: @@ -1923,8 +1914,7 @@ static void gen_pool32axf_2_nanomips_insn(DisasContext *ctx, uint32_t opc, break; case NM_EXTPV: check_dsp(ctx); - tcg_gen_movi_tl(t0, rd >> 3); - gen_helper_extp(t0, t0, v1_t, tcg_env); + gen_helper_extp(t0, tcg_constant_tl(rd >> 3), v1_t, tcg_env); gen_store_gpr(t0, ret); break; case NM_MSUB: @@ -1947,8 +1937,7 @@ static void gen_pool32axf_2_nanomips_insn(DisasContext *ctx, uint32_t opc, break; case NM_EXTRV_RS_W: check_dsp(ctx); - tcg_gen_movi_tl(t0, rd >> 3); - gen_helper_extr_rs_w(t0, t0, v1_t, tcg_env); + gen_helper_extr_rs_w(t0, tcg_constant_tl(rd >> 3), v1_t, tcg_env); gen_store_gpr(t0, ret); break; } @@ -1964,8 +1953,7 @@ static void gen_pool32axf_2_nanomips_insn(DisasContext *ctx, uint32_t opc, break; case NM_EXTPDPV: check_dsp(ctx); - tcg_gen_movi_tl(t0, rd >> 3); - gen_helper_extpdp(t0, t0, v1_t, tcg_env); + gen_helper_extpdp(t0, tcg_constant_tl(rd >> 3), v1_t, tcg_env); gen_store_gpr(t0, ret); break; case NM_MSUBU: @@ -1990,8 +1978,7 @@ static void gen_pool32axf_2_nanomips_insn(DisasContext *ctx, uint32_t opc, break; case NM_EXTRV_S_H: check_dsp(ctx); - tcg_gen_movi_tl(t0, rd >> 3); - gen_helper_extr_s_h(t0, t0, v1_t, tcg_env); + gen_helper_extr_s_h(t0, tcg_constant_tl(rd >> 3), v1_t, tcg_env); gen_store_gpr(t0, ret); break; } @@ -2149,24 +2136,22 @@ static void gen_pool32axf_7_nanomips_insn(DisasContext *ctx, uint32_t opc, switch (opc) { case NM_SHRA_R_QB: check_dsp_r2(ctx); - tcg_gen_movi_tl(t0, rd >> 2); switch (extract32(ctx->opcode, 12, 1)) { case 0: /* NM_SHRA_QB */ - gen_helper_shra_qb(t0, t0, rs_t); + gen_helper_shra_qb(t0, tcg_constant_tl(rd >> 2), rs_t); gen_store_gpr(t0, rt); break; case 1: /* NM_SHRA_R_QB */ - gen_helper_shra_r_qb(t0, t0, rs_t); + gen_helper_shra_r_qb(t0, tcg_constant_tl(rd >> 2), rs_t); gen_store_gpr(t0, rt); break; } break; case NM_SHRL_PH: check_dsp_r2(ctx); - tcg_gen_movi_tl(t0, rd >> 1); - gen_helper_shrl_ph(t0, t0, rs_t); + gen_helper_shrl_ph(t0, tcg_constant_tl(rd >> 1), rs_t); gen_store_gpr(t0, rt); break; case NM_REPL_QB: @@ -2180,8 +2165,7 @@ static void gen_pool32axf_7_nanomips_insn(DisasContext *ctx, uint32_t opc, (uint32_t)imm << 8 | (uint32_t)imm; result = (int32_t)result; - tcg_gen_movi_tl(t0, result); - gen_store_gpr(t0, rt); + gen_store_gpr(tcg_constant_tl(result), rt); } break; default: @@ -2302,10 +2286,9 @@ static void gen_compute_imm_branch(DisasContext *ctx, uint32_t opc, { TCGCond cond = TCG_COND_ALWAYS; TCGv t0 = tcg_temp_new(); - TCGv t1 = tcg_temp_new(); + TCGv timm = tcg_constant_tl(imm); gen_load_gpr(t0, rt); - tcg_gen_movi_tl(t1, imm); ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset); /* Load needed operands and calculate btarget */ @@ -2334,7 +2317,7 @@ static void gen_compute_imm_branch(DisasContext *ctx, uint32_t opc, } else { tcg_gen_shri_tl(t0, t0, imm); tcg_gen_andi_tl(t0, t0, 1); - tcg_gen_movi_tl(t1, 0); + timm = tcg_constant_tl(0); if (opc == NM_BBEQZC) { cond = TCG_COND_EQ; } else { @@ -2389,7 +2372,7 @@ static void gen_compute_imm_branch(DisasContext *ctx, uint32_t opc, /* Conditional compact branch */ TCGLabel *fs = gen_new_label(); - tcg_gen_brcond_tl(tcg_invert_cond(cond), t0, t1, fs); + tcg_gen_brcond_tl(tcg_invert_cond(cond), t0, timm, fs); gen_goto_tb(ctx, 1, ctx->btarget); gen_set_label(fs); @@ -2403,7 +2386,6 @@ static void gen_compute_nanomips_pbalrsc_branch(DisasContext *ctx, int rs, int rt) { TCGv t0 = tcg_temp_new(); - TCGv t1 = tcg_temp_new(); /* load rs */ gen_load_gpr(t0, rs); @@ -2415,8 +2397,7 @@ static void gen_compute_nanomips_pbalrsc_branch(DisasContext *ctx, int rs, /* calculate btarget */ tcg_gen_shli_tl(t0, t0, 1); - tcg_gen_movi_tl(t1, ctx->base.pc_next + 4); - gen_op_addr_add(ctx, btarget, t1, t0); + gen_op_addr_add(ctx, btarget, tcg_constant_tl(ctx->base.pc_next + 4), t0); /* branch completion */ clear_branch_hflags(ctx); @@ -2469,11 +2450,9 @@ static void gen_compute_compact_branch_nm(DisasContext *ctx, uint32_t opc, } else { /* OPC_JIC, OPC_JIALC */ TCGv tbase = tcg_temp_new(); - TCGv toffset = tcg_temp_new(); gen_load_gpr(tbase, rt); - tcg_gen_movi_tl(toffset, offset); - gen_op_addr_add(ctx, btarget, tbase, toffset); + gen_op_addr_add(ctx, btarget, tbase, tcg_constant_tl(offset)); } break; default: @@ -3445,13 +3424,10 @@ static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc, case NM_SHILO: check_dsp(ctx); { - TCGv tv0 = tcg_temp_new(); - TCGv tv1 = tcg_temp_new(); int16_t imm = extract32(ctx->opcode, 16, 7); - tcg_gen_movi_tl(tv0, rd >> 3); - tcg_gen_movi_tl(tv1, imm); - gen_helper_shilo(tv0, tv1, tcg_env); + gen_helper_shilo(tcg_constant_tl(rd >> 3), + tcg_constant_tl(imm), tcg_env); } break; case NM_MULEQ_S_W_PHL: @@ -3506,8 +3482,7 @@ static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc, break; case NM_SHRA_R_W: check_dsp(ctx); - tcg_gen_movi_tl(t0, rd); - gen_helper_shra_r_w(v1_t, t0, v1_t); + gen_helper_shra_r_w(v1_t, tcg_constant_tl(rd), v1_t); gen_store_gpr(v1_t, rt); break; case NM_SHRA_R_PH: @@ -3547,8 +3522,7 @@ static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc, break; case NM_SHLL_S_W: check_dsp(ctx); - tcg_gen_movi_tl(t0, rd); - gen_helper_shll_s_w(v1_t, t0, v1_t, tcg_env); + gen_helper_shll_s_w(v1_t, tcg_constant_tl(rd), v1_t, tcg_env); gen_store_gpr(v1_t, rt); break; case NM_REPL_PH: @@ -3729,31 +3703,25 @@ static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx) case NM_LWPC48: check_nms(ctx); 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Fri, 04 Oct 2024 13:26:56 -0700 (PDT) Received: from localhost.localdomain ([91.209.212.135]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-2faf9adcc90sm629791fa.70.2024.10.04.13.26.51 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 04 Oct 2024 13:26:55 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Richard Henderson , qemu-ppc@nongnu.org, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [PATCH 2/3] target/tricore: Use tcg_constant_tl() instead of tcg_gen_movi_tl() Date: Fri, 4 Oct 2024 17:26:20 -0300 Message-ID: <20241004202621.4321-3-philmd@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241004202621.4321-1-philmd@linaro.org> References: <20241004202621.4321-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::22a; envelope-from=philmd@linaro.org; helo=mail-lj1-x22a.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=unavailable 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Directly use tcg_constant_tl() for constant integer, this save a call to tcg_gen_movi_tl(). Inspired-by: Richard Henderson Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson --- target/tricore/translate.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/target/tricore/translate.c b/target/tricore/translate.c index a46a03e1fd8..4a12d2ca191 100644 --- a/target/tricore/translate.c +++ b/target/tricore/translate.c @@ -2732,8 +2732,7 @@ static inline void gen_insert(TCGv ret, TCGv r1, TCGv r2, TCGv width, TCGv pos) TCGv temp = tcg_temp_new(); TCGv temp2 = tcg_temp_new(); - tcg_gen_movi_tl(mask, 1); - tcg_gen_shl_tl(mask, mask, width); + tcg_gen_shl_tl(mask, tcg_constant_tl(1), width); tcg_gen_subi_tl(mask, mask, 1); tcg_gen_shl_tl(mask, mask, pos); From patchwork Fri Oct 4 20:26:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 13822981 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EAB4ACF885B for ; 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Fri, 04 Oct 2024 13:27:08 -0700 (PDT) Received: from localhost.localdomain ([91.209.212.135]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-539aff1d277sm49688e87.155.2024.10.04.13.27.04 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 04 Oct 2024 13:27:08 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Richard Henderson , qemu-ppc@nongnu.org, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [PATCH 3/3] target/ppc: Use tcg_constant_tl() instead of tcg_gen_movi_tl() Date: Fri, 4 Oct 2024 17:26:21 -0300 Message-ID: <20241004202621.4321-4-philmd@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241004202621.4321-1-philmd@linaro.org> References: <20241004202621.4321-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::12e; envelope-from=philmd@linaro.org; helo=mail-lf1-x12e.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=unavailable 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Directly use tcg_constant_tl() for constant integer, this save a call to tcg_gen_movi_tl() and a temp register. Inspired-by: Richard Henderson Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson --- target/ppc/translate.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 71513ba9646..7689b2ac2e1 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -1588,16 +1588,13 @@ static opc_handler_t invalid_handler = { static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf) { TCGv t0 = tcg_temp_new(); - TCGv t1 = tcg_temp_new(); TCGv_i32 t = tcg_temp_new_i32(); - tcg_gen_movi_tl(t0, CRF_EQ); - tcg_gen_movi_tl(t1, CRF_LT); tcg_gen_movcond_tl((s ? TCG_COND_LT : TCG_COND_LTU), - t0, arg0, arg1, t1, t0); - tcg_gen_movi_tl(t1, CRF_GT); + t0, arg0, arg1, + tcg_constant_tl(CRF_LT), tcg_constant_tl(CRF_EQ)); tcg_gen_movcond_tl((s ? TCG_COND_GT : TCG_COND_GTU), - t0, arg0, arg1, t1, t0); + t0, arg0, arg1, tcg_constant_tl(CRF_GT), t0); tcg_gen_trunc_tl_i32(t, t0); tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_so); @@ -2974,8 +2971,8 @@ static void gen_fetch_inc_conditional(DisasContext *ctx, MemOp memop, tcg_gen_qemu_st_tl(u, EA, ctx->mem_idx, memop); /* RT = (t != t2 ? t : u = 1<<(s*8-1)) */ - tcg_gen_movi_tl(u, 1 << (memop_size(memop) * 8 - 1)); - tcg_gen_movcond_tl(cond, cpu_gpr[rD(ctx->opcode)], t, t2, t, u); + tcg_gen_movcond_tl(cond, cpu_gpr[rD(ctx->opcode)], t, t2, t, + tcg_constant_tl(1 << (memop_size(memop) * 8 - 1))); } static void gen_ld_atomic(DisasContext *ctx, MemOp memop)