From mboxrd@z Thu Jan 1 00:00:00 1970 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 lists1p.gnu.org (lists1p.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 9BA67C5DF85 for ; Thu, 20 Aug 2026 14:04:26 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wx3NM-0001bI-KD; Thu, 20 Aug 2026 10:04:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wx3NG-0001Rp-Tb; Thu, 20 Aug 2026 10:04:06 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wx3NE-0005ya-OR; Thu, 20 Aug 2026 10:04:06 -0400 Received: from pps.filterd (m0360083.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 67K8b0ZR424242; Thu, 20 Aug 2026 14:04:02 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=pp1; bh=D9tB0/IAMNq48VTU5 fERiDmuDkHLYxkDZVsaawvGOic=; b=eDgJLlHUAvoxYCe1Jevj5W1XgFGnisIRm XQn64iRqCqDcBOxHhDv4XxZDS+HjTxa+xwmRFv0hAZDyliqj0dF64vcHqS6mafq0 kpz4tRbA/I4lFYxf5BA9vhHWV3ccqCvhoyUVCqdPSx5eLxc1j1K/ggRQHGNTHqeg 6KGdbmNp6itPmEa2pzgR1B7AUHyuQYs6s/Z1B7Sk7h/wvT/t6dXnvLAKVbO8/O5b rfybNvaZCbre7CyaqrDDv5V1GsmNs9AeXgitWzPG6AuR8x0t5PV/h9wPQWOOpRBt ZFhO7HEOdGJRZFIlB8nKD0weQ2kHhGzFT18fk1hwGgalt1zfBPgOA== Received: from ppma13.dal12v.mail.ibm.com (dd.9e.1632.ip4.static.sl-reverse.com [50.22.158.221]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4g4yu1jr9c-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 20 Aug 2026 14:04:01 +0000 (GMT) Received: from pps.filterd (ppma13.dal12v.mail.ibm.com [127.0.0.1]) by ppma13.dal12v.mail.ibm.com (8.18.1.7/8.18.1.7) with ESMTP id 67KDuL4c014903; Thu, 20 Aug 2026 14:04:00 GMT Received: from smtprelay06.fra02v.mail.ibm.com ([9.218.2.230]) by ppma13.dal12v.mail.ibm.com (PPS) with ESMTPS id 4g34ngpq5j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 20 Aug 2026 14:04:00 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (smtpav07.fra02v.mail.ibm.com [10.20.54.106]) by smtprelay06.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 67KE3tIB34472342 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 20 Aug 2026 14:03:55 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D58CC20040; Thu, 20 Aug 2026 14:03:54 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 55CA52004D; Thu, 20 Aug 2026 14:03:45 +0000 (GMT) Received: from li-18a0a34c-33fc-11b2-a85c-d9f1631c5692.ibm.com (unknown [9.39.17.115]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Thu, 20 Aug 2026 14:03:45 +0000 (GMT) From: Chinmay Rath To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org, harshpb@linux.ibm.com, milesg@linux.ibm.com Cc: npiggin@gmail.com, richard.henderson@linaro.org, vishalc@linux.ibm.com, tshah@linux.ibm.com, shivangu@linux.ibm.com, ojaswin@linux.ibm.com, aboorvad@linux.ibm.com, amachhiw@linux.ibm.com, sv@linux.ibm.com, shivani@linux.ibm.com, mkchauras@gmail.com, uverma@linux.ibm.com, nikhilks@linux.ibm.com, Chinmay Rath Subject: [PATCH 08/29] target/ppc: convert sraw[i] instruction via decode spec Date: Thu, 20 Aug 2026 19:30:37 +0530 Message-ID: <20260820140114.327023-9-rathc@linux.ibm.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260820140114.327023-1-rathc@linux.ibm.com> References: <20260820140114.327023-1-rathc@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Authority-Analysis: v=2.4 cv=LsCiDHdc c=1 sm=1 tr=0 ts=6a870952 cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=Sv0fKeRqtYgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=iQ6ETzBq9ecOQQE5vZCe:22 a=pGLkceISAAAA:8 a=VnNF1IyMAAAA:8 a=8vnlzkHpZUhk_GZ0CsoA:9 X-Proofpoint-GUID: Jfb6kijoBWSj6LIJxecr0Nt2AdMfrmlp X-Proofpoint-Spam-Info: AW1haW4tMjYwODIwMDEwNSBTYWx0ZWRfX/hxhSPTCo+Sp 8qumHfCD79wtpdSTBJM9CvotcqDuy7ipueOUxvvfXzmDHJbHWDclXnPV3o8/tegEFhgmGz1RbN4 WDNgUQg50zdYFn2UG2LzMgaDJ+4GRc0= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODIwMDEwNSBTYWx0ZWRfX9X3jL9FrQHlr 8JItwvNqC9ZwJad10OexbUlHDE9Qxurq6AO1TGvYu+RSE6CG62FbZLIyThc64zoucS3SRY/hMVF Q42QcIH59eGFKdhio2vPXqTMR4FTCGjMeLB29U7DWamGqKjIlWqcKp7p/pAcNVo1saukVhu7b+m 4C4jrChYOYE8wcYsQ8G4YvRsUezu0/IXuXnrTtT9rjdXulmdPAi2/2pszatWz5fv9jmWE929d/J TSYHs/bk1YcEG/x+CGpbBP7kF9upA99V+mJebNkPmPGJdDHRqLOyKnyJlDAJ3hWKrXA1mx7BfoB 8vN6lkPP9XRahbKHnGR0TSxmKXDS1EDdsKzpeK7Vx1aaJSPmVIv9/KKfODCjmdlNpDdy3hK/GoC kA6kZ+da2SL54FSWeVXVgiJ+bxcMUhjr90XSnUqU/aBmCUC5BODQUK1PIh5CxBxb291Iapkhmww jKnDtulmsuNFAfERZDw== X-Proofpoint-ORIG-GUID: uoIdFhGK0S3oYsF2k814ODemJRGcfcNV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-19_06,2026-08-19_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 spamscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 adultscore=0 suspectscore=0 impostorscore=0 clxscore=1015 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608200105 Received-SPF: pass client-ip=148.163.156.1; envelope-from=rathc@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=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: qemu development 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 From: "Mukesh Kumar Chaurasiya (IBM)" Instruction converted: - sraw - srawi Signed-off-by: Mukesh Kumar Chaurasiya (IBM) Signed-off-by: Chinmay Rath --- target/ppc/helper.h | 2 +- target/ppc/insn32.decode | 6 ++-- target/ppc/int_helper.c | 2 +- target/ppc/translate.c | 42 ---------------------- target/ppc/translate/fixedpoint-impl.c.inc | 41 +++++++++++++++++++++ 5 files changed, 47 insertions(+), 46 deletions(-) diff --git a/target/ppc/helper.h b/target/ppc/helper.h index 6df3de6516..3aff559504 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -64,7 +64,7 @@ DEF_HELPER_4(DIVWE, tl, env, tl, tl, i32) DEF_HELPER_FLAGS_1(POPCNTB, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_2(CMPB, TCG_CALL_NO_RWG_SE, tl, tl, tl) -DEF_HELPER_3(sraw, tl, env, tl, tl) +DEF_HELPER_3(SRAW, tl, env, tl, tl) DEF_HELPER_FLAGS_2(CFUGED, TCG_CALL_NO_RWG_SE, i64, i64, i64) DEF_HELPER_FLAGS_2(PDEPD, TCG_CALL_NO_RWG_SE, i64, i64, i64) DEF_HELPER_FLAGS_2(PEXTD, TCG_CALL_NO_RWG_SE, i64, i64, i64) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index 66d2f455a9..af35a44223 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -507,8 +507,10 @@ HASHCHKP 011111 ..... ..... ..... 1010110010 . @X_DW # Fixed-Point Shift Instructions -SLW 011111 ..... ..... ..... 0000011000 . @X_rc -SRW 011111 ..... ..... ..... 1000011000 . @X_rc +SLW 011111 ..... ..... ..... 0000011000 . @X_rc +SRAW 011111 ..... ..... ..... 1100011000 . @X_rc +SRAWI 011111 ..... ..... ..... 1100111000 . @X_rc +SRW 011111 ..... ..... ..... 1000011000 . @X_rc ## BCD Assist diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index dc55ccadf7..b161f930ec 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -235,7 +235,7 @@ target_ulong helper_CMPB(target_ulong rs, target_ulong rb) } /* shift right arithmetic helper */ -target_ulong helper_sraw(CPUPPCState *env, target_ulong value, +target_ulong helper_SRAW(CPUPPCState *env, target_ulong value, target_ulong shift) { int32_t ret; diff --git a/target/ppc/translate.c b/target/ppc/translate.c index f2b7505634..f00071aa91 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -2316,46 +2316,6 @@ GEN_PPC64_R4(rldimi, 0x1E, 0x06); /*** Integer shift ***/ -/* sraw & sraw. */ -static void gen_sraw(DisasContext *ctx) -{ - gen_helper_sraw(cpu_gpr[rA(ctx->opcode)], tcg_env, - cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); - if (unlikely(Rc(ctx->opcode) != 0)) { - gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); - } -} - -/* srawi & srawi. */ -static void gen_srawi(DisasContext *ctx) -{ - int sh = SH(ctx->opcode); - TCGv dst = cpu_gpr[rA(ctx->opcode)]; - TCGv src = cpu_gpr[rS(ctx->opcode)]; - if (sh == 0) { - tcg_gen_ext32s_tl(dst, src); - tcg_gen_movi_tl(cpu_ca, 0); - if (is_isa300(ctx)) { - tcg_gen_movi_tl(cpu_ca32, 0); - } - } else { - TCGv t0; - tcg_gen_ext32s_tl(dst, src); - tcg_gen_andi_tl(cpu_ca, dst, (1ULL << sh) - 1); - t0 = tcg_temp_new(); - tcg_gen_sari_tl(t0, dst, TARGET_LONG_BITS - 1); - tcg_gen_and_tl(cpu_ca, cpu_ca, t0); - tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0); - if (is_isa300(ctx)) { - tcg_gen_mov_tl(cpu_ca32, cpu_ca); - } - tcg_gen_sari_tl(dst, dst, sh); - } - if (unlikely(Rc(ctx->opcode) != 0)) { - gen_set_Rc0(ctx, dst); - } -} - #if defined(TARGET_PPC64) /* sld & sld. */ static void gen_sld(DisasContext *ctx) @@ -5730,8 +5690,6 @@ GEN_HANDLER_E(paste, 0x1F, 0x06, 0x1C, 0x03C00000, PPC_NONE, PPC2_ISA300), GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), -GEN_HANDLER(sraw, 0x1F, 0x18, 0x18, 0x00000000, PPC_INTEGER), -GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER), #if defined(TARGET_PPC64) GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B), GEN_HANDLER(srad, 0x1F, 0x1A, 0x18, 0x00000000, PPC_64B), diff --git a/target/ppc/translate/fixedpoint-impl.c.inc b/target/ppc/translate/fixedpoint-impl.c.inc index 9d04b96316..234404e459 100644 --- a/target/ppc/translate/fixedpoint-impl.c.inc +++ b/target/ppc/translate/fixedpoint-impl.c.inc @@ -1454,3 +1454,44 @@ static bool trans_SRW(DisasContext *ctx, arg_SRW *a) } return true; } + +/* sraw & sraw. */ +static bool trans_SRAW(DisasContext *ctx, arg_SRAW *a) +{ + gen_helper_SRAW(cpu_gpr[a->ra], tcg_env, + cpu_gpr[a->rt], cpu_gpr[a->rb]); + if (unlikely(a->rc)) { + gen_set_Rc0(ctx, cpu_gpr[a->ra]); + } + return true; +} + +/* srawi & srawi. */ +static bool trans_SRAWI(DisasContext *ctx, arg_SRAWI *a) +{ + TCGv dst = cpu_gpr[a->ra]; + TCGv src = cpu_gpr[a->rt]; + if (a->rb == 0) { + tcg_gen_ext32s_tl(dst, src); + tcg_gen_movi_tl(cpu_ca, 0); + if (is_isa300(ctx)) { + tcg_gen_movi_tl(cpu_ca32, 0); + } + } else { + TCGv t0; + tcg_gen_ext32s_tl(dst, src); + tcg_gen_andi_tl(cpu_ca, dst, (1ULL << a->rb) - 1); + t0 = tcg_temp_new(); + tcg_gen_sari_tl(t0, dst, TARGET_LONG_BITS - 1); + tcg_gen_and_tl(cpu_ca, cpu_ca, t0); + tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0); + if (is_isa300(ctx)) { + tcg_gen_mov_tl(cpu_ca32, cpu_ca); + } + tcg_gen_sari_tl(dst, dst, a->rb); + } + if (unlikely(a->rc)) { + gen_set_Rc0(ctx, dst); + } + return true; +} -- 2.55.0