From patchwork Tue Sep 6 12:55:16 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?V=C3=ADctor_Colombo?= X-Patchwork-Id: 12967570 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 D939AECAAA1 for ; Tue, 6 Sep 2022 14:14:00 +0000 (UTC) Received: from localhost ([::1]:44760 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oVZKx-0006Hf-I1 for qemu-devel@archiver.kernel.org; Tue, 06 Sep 2022 10:13:59 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57930) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oVY8F-0001Z1-H9; Tue, 06 Sep 2022 08:56:47 -0400 Received: from [200.168.210.66] (port=14617 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oVY8D-0002Pq-QX; Tue, 06 Sep 2022 08:56:47 -0400 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Tue, 6 Sep 2022 09:55:36 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id B9E318002BE; Tue, 6 Sep 2022 09:55:35 -0300 (-03) From: =?utf-8?q?V=C3=ADctor_Colombo?= To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, danielhb413@gmail.com, david@gibson.dropbear.id.au, groug@kaod.org, richard.henderson@linaro.org, victor.colombo@eldorado.org.br, matheus.ferst@eldorado.org.br, lucas.araujo@eldorado.org.br, leandro.lupori@eldorado.org.br, lucas.coutinho@eldorado.org.br Subject: [PATCH v2 1/8] target/ppc: Remove extra space from s128 field in ppc_vsr_t Date: Tue, 6 Sep 2022 09:55:16 -0300 Message-Id: <20220906125523.38765-2-victor.colombo@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220906125523.38765-1-victor.colombo@eldorado.org.br> References: <20220906125523.38765-1-victor.colombo@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 06 Sep 2022 12:55:36.0210 (UTC) FILETIME=[F52C5F20:01D8C1EF] X-Host-Lookup-Failed: Reverse DNS lookup failed for 200.168.210.66 (failed) Received-SPF: pass client-ip=200.168.210.66; envelope-from=victor.colombo@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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" Very trivial rogue space removal. There are two spaces between Int128 and s128 in ppc_vsr_t struct, where it should be only one. Signed-off-by: Víctor Colombo Reviewed-by: Daniel Henrique Barboza --- target/ppc/cpu.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index a4c893cfad..985ff86f55 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -246,7 +246,7 @@ typedef union _ppc_vsr_t { #ifdef CONFIG_INT128 __uint128_t u128; #endif - Int128 s128; + Int128 s128; } ppc_vsr_t; typedef ppc_vsr_t ppc_avr_t; From patchwork Tue Sep 6 12:55:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?V=C3=ADctor_Colombo?= X-Patchwork-Id: 12967581 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 C3865ECAAD5 for ; Tue, 6 Sep 2022 14:20:01 +0000 (UTC) Received: from localhost ([::1]:50710 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oVZQm-0004vE-Dm for qemu-devel@archiver.kernel.org; Tue, 06 Sep 2022 10:20:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57932) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oVY8J-0001dr-9d; Tue, 06 Sep 2022 08:56:51 -0400 Received: from [200.168.210.66] (port=14617 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oVY8H-0002Pq-MK; Tue, 06 Sep 2022 08:56:51 -0400 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Tue, 6 Sep 2022 09:55:36 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 1FCFC800476; Tue, 6 Sep 2022 09:55:36 -0300 (-03) From: =?utf-8?q?V=C3=ADctor_Colombo?= To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, danielhb413@gmail.com, david@gibson.dropbear.id.au, groug@kaod.org, richard.henderson@linaro.org, victor.colombo@eldorado.org.br, matheus.ferst@eldorado.org.br, lucas.araujo@eldorado.org.br, leandro.lupori@eldorado.org.br, lucas.coutinho@eldorado.org.br Subject: [PATCH v2 2/8] target/ppc: Remove unused xer_* macros Date: Tue, 6 Sep 2022 09:55:17 -0300 Message-Id: <20220906125523.38765-3-victor.colombo@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220906125523.38765-1-victor.colombo@eldorado.org.br> References: <20220906125523.38765-1-victor.colombo@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 06 Sep 2022 12:55:36.0585 (UTC) FILETIME=[F5659790:01D8C1EF] X-Host-Lookup-Failed: Reverse DNS lookup failed for 200.168.210.66 (failed) Received-SPF: pass client-ip=200.168.210.66; envelope-from=victor.colombo@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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" The macros xer_ov, xer_ca, xer_ov32, and xer_ca32 are both unused and hiding the usage of env. Remove them. Signed-off-by: Víctor Colombo Reviewed-by: Daniel Henrique Barboza --- target/ppc/cpu.h | 4 ---- 1 file changed, 4 deletions(-) diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index 985ff86f55..6481f48087 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -1506,10 +1506,6 @@ void ppc_compat_add_property(Object *obj, const char *name, #define XER_CMP 8 #define XER_BC 0 #define xer_so (env->so) -#define xer_ov (env->ov) -#define xer_ca (env->ca) -#define xer_ov32 (env->ov) -#define xer_ca32 (env->ca) #define xer_cmp ((env->xer >> XER_CMP) & 0xFF) #define xer_bc ((env->xer >> XER_BC) & 0x7F) From patchwork Tue Sep 6 12:55:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?V=C3=ADctor_Colombo?= X-Patchwork-Id: 12967605 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 A0C99ECAAD5 for ; Tue, 6 Sep 2022 14:24:40 +0000 (UTC) Received: from localhost ([::1]:54780 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oVZVH-0003hA-J0 for qemu-devel@archiver.kernel.org; Tue, 06 Sep 2022 10:24:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36388) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oVY8P-0001fx-8b; Tue, 06 Sep 2022 08:56:58 -0400 Received: from [200.168.210.66] (port=14617 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oVY8N-0002Pq-6s; Tue, 06 Sep 2022 08:56:56 -0400 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Tue, 6 Sep 2022 09:55:36 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 795C38002BE; Tue, 6 Sep 2022 09:55:36 -0300 (-03) From: =?utf-8?q?V=C3=ADctor_Colombo?= To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, danielhb413@gmail.com, david@gibson.dropbear.id.au, groug@kaod.org, richard.henderson@linaro.org, victor.colombo@eldorado.org.br, matheus.ferst@eldorado.org.br, lucas.araujo@eldorado.org.br, leandro.lupori@eldorado.org.br, lucas.coutinho@eldorado.org.br Subject: [PATCH v2 3/8] target/ppc: Zero second doubleword in DFP instructions Date: Tue, 6 Sep 2022 09:55:18 -0300 Message-Id: <20220906125523.38765-4-victor.colombo@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220906125523.38765-1-victor.colombo@eldorado.org.br> References: <20220906125523.38765-1-victor.colombo@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 06 Sep 2022 12:55:36.0976 (UTC) FILETIME=[F5A14100:01D8C1EF] X-Host-Lookup-Failed: Reverse DNS lookup failed for 200.168.210.66 (failed) Received-SPF: pass client-ip=200.168.210.66; envelope-from=victor.colombo@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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" Starting at PowerISA v3.1, the second doubleword of the registers used to store results in DFP instructions are supposed to be zeroed. From the ISA, chapter 7.2.1.1 Floating-Point Registers: """ Chapter 4. Floating-Point Facility provides 32 64-bit FPRs. Chapter 5. Decimal Floating-Point also employs FPRs in decimal floating-point (DFP) operations. When VSX is implemented, the 32 FPRs are mapped to doubleword 0 of VSRs 0-31. (...) All instructions that operate on an FPR are redefined to operate on doubleword element 0 of the corresponding VSR. (...) and the contents of doubleword element 1 of the VSR corresponding to the target FPR or FPR pair for these instructions are set to 0. """ Before, the result stored at doubleword 1 was said to be undefined. With that, this patch changes the DFP facility to zero doubleword 1 when using set_dfp64 and set_dfp128. This fixes the behavior for ISA 3.1 while keeping the behavior correct for previous ones. Signed-off-by: Víctor Colombo Reviewed-by: Daniel Henrique Barboza --- target/ppc/dfp_helper.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/target/ppc/dfp_helper.c b/target/ppc/dfp_helper.c index 5ba74b2124..be7aa5357a 100644 --- a/target/ppc/dfp_helper.c +++ b/target/ppc/dfp_helper.c @@ -42,13 +42,16 @@ static void get_dfp128(ppc_vsr_t *dst, ppc_fprp_t *dfp) static void set_dfp64(ppc_fprp_t *dfp, ppc_vsr_t *src) { - dfp->VsrD(0) = src->VsrD(1); + dfp[0].VsrD(0) = src->VsrD(1); + dfp[0].VsrD(1) = 0ULL; } static void set_dfp128(ppc_fprp_t *dfp, ppc_vsr_t *src) { dfp[0].VsrD(0) = src->VsrD(0); dfp[1].VsrD(0) = src->VsrD(1); + dfp[0].VsrD(1) = 0ULL; + dfp[1].VsrD(1) = 0ULL; } static void set_dfp128_to_avr(ppc_avr_t *dst, ppc_vsr_t *src) From patchwork Tue Sep 6 12:55:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?V=C3=ADctor_Colombo?= X-Patchwork-Id: 12967534 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 4052EECAAD5 for ; Tue, 6 Sep 2022 13:54:46 +0000 (UTC) Received: from localhost ([::1]:57744 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oVZ2L-0004Zz-AD for qemu-devel@archiver.kernel.org; Tue, 06 Sep 2022 09:54:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36390) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oVY8U-0001ir-LH; Tue, 06 Sep 2022 08:57:02 -0400 Received: from [200.168.210.66] (port=14617 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oVY8S-0002Pq-Ss; Tue, 06 Sep 2022 08:57:02 -0400 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Tue, 6 Sep 2022 09:55:37 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id D4A26800476; Tue, 6 Sep 2022 09:55:36 -0300 (-03) From: =?utf-8?q?V=C3=ADctor_Colombo?= To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, danielhb413@gmail.com, david@gibson.dropbear.id.au, groug@kaod.org, richard.henderson@linaro.org, victor.colombo@eldorado.org.br, matheus.ferst@eldorado.org.br, lucas.araujo@eldorado.org.br, leandro.lupori@eldorado.org.br, lucas.coutinho@eldorado.org.br Subject: [PATCH v2 4/8] target/ppc: Set result to QNaN for DENBCD when VXCVI occurs Date: Tue, 6 Sep 2022 09:55:19 -0300 Message-Id: <20220906125523.38765-5-victor.colombo@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220906125523.38765-1-victor.colombo@eldorado.org.br> References: <20220906125523.38765-1-victor.colombo@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 06 Sep 2022 12:55:37.0304 (UTC) FILETIME=[F5D34D80:01D8C1EF] X-Host-Lookup-Failed: Reverse DNS lookup failed for 200.168.210.66 (failed) Received-SPF: pass client-ip=200.168.210.66; envelope-from=victor.colombo@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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" According to the ISA, for instruction DENBCD: "If an invalid BCD digit or sign code is detected in the source operand, an invalid-operation exception (VXCVI) occurs." In the Invalid Operation Exception section, there is the situation: "When Invalid Operation Exception is disabled (VE=0) and Invalid Operation occurs (...) If the operation is an (...) or format the target FPR is set to a Quiet NaN". This was not being done in QEMU. This patch sets the result to QNaN when the instruction DENBCD causes an Invalid Operation Exception. Signed-off-by: Víctor Colombo Reviewed-by: Daniel Henrique Barboza --- target/ppc/dfp_helper.c | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) diff --git a/target/ppc/dfp_helper.c b/target/ppc/dfp_helper.c index be7aa5357a..cc024316d5 100644 --- a/target/ppc/dfp_helper.c +++ b/target/ppc/dfp_helper.c @@ -1147,6 +1147,26 @@ static inline uint8_t dfp_get_bcd_digit_128(ppc_vsr_t *t, unsigned n) return t->VsrD((n & 0x10) ? 0 : 1) >> ((n << 2) & 63) & 15; } +static inline void dfp_invalid_op_vxcvi_64(struct PPC_DFP *dfp) +{ + /* TODO: fpscr is incorrectly not being saved to env */ + dfp_set_FPSCR_flag(dfp, FP_VX | FP_VXCVI, FPSCR_VE); + if ((dfp->env->fpscr & FP_VE) == 0) { + dfp->vt.VsrD(1) = 0x7c00000000000000; /* QNaN */ + } +} + + +static inline void dfp_invalid_op_vxcvi_128(struct PPC_DFP *dfp) +{ + /* TODO: fpscr is incorrectly not being saved to env */ + dfp_set_FPSCR_flag(dfp, FP_VX | FP_VXCVI, FPSCR_VE); + if ((dfp->env->fpscr & FP_VE) == 0) { + dfp->vt.VsrD(0) = 0x7c00000000000000; /* QNaN */ + dfp->vt.VsrD(1) = 0x0; + } +} + #define DFP_HELPER_ENBCD(op, size) \ void helper_##op(CPUPPCState *env, ppc_fprp_t *t, ppc_fprp_t *b, \ uint32_t s) \ @@ -1173,7 +1193,8 @@ void helper_##op(CPUPPCState *env, ppc_fprp_t *t, ppc_fprp_t *b, \ sgn = 0; \ break; \ default: \ - dfp_set_FPSCR_flag(&dfp, FP_VX | FP_VXCVI, FPSCR_VE); \ + dfp_invalid_op_vxcvi_##size(&dfp); \ + set_dfp##size(t, &dfp.vt); \ return; \ } \ } \ @@ -1183,7 +1204,8 @@ void helper_##op(CPUPPCState *env, ppc_fprp_t *t, ppc_fprp_t *b, \ digits[(size) / 4 - n] = dfp_get_bcd_digit_##size(&dfp.vb, \ offset++); \ if (digits[(size) / 4 - n] > 10) { \ - dfp_set_FPSCR_flag(&dfp, FP_VX | FP_VXCVI, FPSCR_VE); \ + dfp_invalid_op_vxcvi_##size(&dfp); \ + set_dfp##size(t, &dfp.vt); \ return; \ } else { \ nonzero |= (digits[(size) / 4 - n] > 0); \ From patchwork Tue Sep 6 12:55:20 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?V=C3=ADctor_Colombo?= X-Patchwork-Id: 12967485 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 40956ECAAD5 for ; Tue, 6 Sep 2022 13:22:19 +0000 (UTC) Received: from localhost ([::1]:42746 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oVYWw-0002XY-Bv for qemu-devel@archiver.kernel.org; Tue, 06 Sep 2022 09:22:18 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53954) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oVY8a-0001rs-AM; Tue, 06 Sep 2022 08:57:08 -0400 Received: from [200.168.210.66] (port=14617 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oVY8Y-0002Pq-IY; Tue, 06 Sep 2022 08:57:07 -0400 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Tue, 6 Sep 2022 09:55:37 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 3B5628002BE; Tue, 6 Sep 2022 09:55:37 -0300 (-03) From: =?utf-8?q?V=C3=ADctor_Colombo?= To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, danielhb413@gmail.com, david@gibson.dropbear.id.au, groug@kaod.org, richard.henderson@linaro.org, victor.colombo@eldorado.org.br, matheus.ferst@eldorado.org.br, lucas.araujo@eldorado.org.br, leandro.lupori@eldorado.org.br, lucas.coutinho@eldorado.org.br Subject: [PATCH v2 5/8] target/ppc: Zero second doubleword for VSX madd instructions Date: Tue, 6 Sep 2022 09:55:20 -0300 Message-Id: <20220906125523.38765-6-victor.colombo@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220906125523.38765-1-victor.colombo@eldorado.org.br> References: <20220906125523.38765-1-victor.colombo@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 06 Sep 2022 12:55:37.0632 (UTC) FILETIME=[F6055A00:01D8C1EF] X-Host-Lookup-Failed: Reverse DNS lookup failed for 200.168.210.66 (failed) Received-SPF: pass client-ip=200.168.210.66; envelope-from=victor.colombo@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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" In 205eb5a89e we updated most VSX instructions to zero the second doubleword, as is requested by PowerISA since v3.1. However, VSX_MADD helper was left behind unchanged, while it is also affected and should be fixed as well. This patch applies the fix for MADD instructions. Fixes: 205eb5a89e ("target/ppc: Change VSX instructions behavior to fill with zeros") Signed-off-by: Víctor Colombo Reviewed-by: Daniel Henrique Barboza --- target/ppc/fpu_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 0f045b70f8..95b22d99b3 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -2176,7 +2176,7 @@ VSX_TSQRT(xvtsqrtsp, 4, float32, VsrW(i), -126, 23) void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, \ ppc_vsr_t *s1, ppc_vsr_t *s2, ppc_vsr_t *s3) \ { \ - ppc_vsr_t t = *xt; \ + ppc_vsr_t t = { }; \ int i; \ \ helper_reset_fpstatus(env); \ From patchwork Tue Sep 6 12:55:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?V=C3=ADctor_Colombo?= X-Patchwork-Id: 12967615 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 60A37ECAAD5 for ; Tue, 6 Sep 2022 14:28:03 +0000 (UTC) Received: from localhost ([::1]:42274 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oVZYY-0001qN-9E for qemu-devel@archiver.kernel.org; Tue, 06 Sep 2022 10:28:02 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53956) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oVY8d-0001yO-7D; Tue, 06 Sep 2022 08:57:11 -0400 Received: from [200.168.210.66] (port=14617 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oVY8b-0002Pq-GM; Tue, 06 Sep 2022 08:57:10 -0400 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Tue, 6 Sep 2022 09:55:37 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 8A5CE800476; Tue, 6 Sep 2022 09:55:37 -0300 (-03) From: =?utf-8?q?V=C3=ADctor_Colombo?= To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, danielhb413@gmail.com, david@gibson.dropbear.id.au, groug@kaod.org, richard.henderson@linaro.org, victor.colombo@eldorado.org.br, matheus.ferst@eldorado.org.br, lucas.araujo@eldorado.org.br, leandro.lupori@eldorado.org.br, lucas.coutinho@eldorado.org.br Subject: [PATCH v2 6/8] target/ppc: Set OV32 when OV is set Date: Tue, 6 Sep 2022 09:55:21 -0300 Message-Id: <20220906125523.38765-7-victor.colombo@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220906125523.38765-1-victor.colombo@eldorado.org.br> References: <20220906125523.38765-1-victor.colombo@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 06 Sep 2022 12:55:38.0007 (UTC) FILETIME=[F63E9270:01D8C1EF] X-Host-Lookup-Failed: Reverse DNS lookup failed for 200.168.210.66 (failed) Received-SPF: pass client-ip=200.168.210.66; envelope-from=victor.colombo@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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" According to PowerISA: "OV32 is set whenever OV is implicitly set, and is set to the same value that OV is defined to be set to in 32-bit mode". This patch changes helper_update_ov_legacy to set/clear ov32 when applicable. Signed-off-by: Víctor Colombo Reviewed-by: Daniel Henrique Barboza --- target/ppc/int_helper.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index d905f07d02..696096100b 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -37,9 +37,9 @@ static inline void helper_update_ov_legacy(CPUPPCState *env, int ov) { if (unlikely(ov)) { - env->so = env->ov = 1; + env->so = env->ov = env->ov32 = 1; } else { - env->ov = 0; + env->ov = env->ov32 = 0; } } From patchwork Tue Sep 6 12:55:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?V=C3=ADctor_Colombo?= X-Patchwork-Id: 12967492 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 74D89ECAAD5 for ; Tue, 6 Sep 2022 13:28:39 +0000 (UTC) Received: from localhost ([::1]:44502 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oVYd4-0002pG-Gk for qemu-devel@archiver.kernel.org; Tue, 06 Sep 2022 09:28:38 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53958) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oVY8g-00025b-2V; Tue, 06 Sep 2022 08:57:14 -0400 Received: from [200.168.210.66] (port=14617 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oVY8e-0002Pq-CT; Tue, 06 Sep 2022 08:57:13 -0400 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Tue, 6 Sep 2022 09:55:38 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id E63FA8002BE; Tue, 6 Sep 2022 09:55:37 -0300 (-03) From: =?utf-8?q?V=C3=ADctor_Colombo?= To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, danielhb413@gmail.com, david@gibson.dropbear.id.au, groug@kaod.org, richard.henderson@linaro.org, victor.colombo@eldorado.org.br, matheus.ferst@eldorado.org.br, lucas.araujo@eldorado.org.br, leandro.lupori@eldorado.org.br, lucas.coutinho@eldorado.org.br Subject: [PATCH v2 7/8] target/ppc: Zero second doubleword of VSR registers for FPR insns Date: Tue, 6 Sep 2022 09:55:22 -0300 Message-Id: <20220906125523.38765-8-victor.colombo@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220906125523.38765-1-victor.colombo@eldorado.org.br> References: <20220906125523.38765-1-victor.colombo@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 06 Sep 2022 12:55:38.0382 (UTC) FILETIME=[F677CAE0:01D8C1EF] X-Host-Lookup-Failed: Reverse DNS lookup failed for 200.168.210.66 (failed) Received-SPF: pass client-ip=200.168.210.66; envelope-from=victor.colombo@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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" FPR register are mapped to the first doubleword of the VSR registers. Since PowerISA v3.1, the second doubleword of the target register must be zeroed for FP instructions. This patch does it by writting 0 to the second dw everytime the first dw is being written using set_fpr. Signed-off-by: Víctor Colombo Reviewed-by: Daniel Henrique Barboza --- target/ppc/translate.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 000b1e518d..5e433315e1 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -6443,6 +6443,14 @@ static inline void get_fpr(TCGv_i64 dst, int regno) static inline void set_fpr(int regno, TCGv_i64 src) { tcg_gen_st_i64(src, cpu_env, fpr_offset(regno)); + /* + * Before PowerISA v3.1 the result of doubleword 1 of the VSR + * corresponding to the target FPR was undefined. However, + * most (if not all) real hardware were setting the result to 0. + * Starting at ISA v3.1, the result for doubleword 1 is now defined + * to be 0. + */ + tcg_gen_st_i64(tcg_constant_i64(0), cpu_env, vsr64_offset(regno, false)); } static inline void get_avr64(TCGv_i64 dst, int regno, bool high) From patchwork Tue Sep 6 12:55:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?V=C3=ADctor_Colombo?= X-Patchwork-Id: 12967500 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 B5C28C6FA89 for ; Tue, 6 Sep 2022 13:35:57 +0000 (UTC) Received: from localhost ([::1]:37632 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oVYk8-0002IM-BM for qemu-devel@archiver.kernel.org; Tue, 06 Sep 2022 09:35:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48560) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oVY8j-0002DC-Nl; Tue, 06 Sep 2022 08:57:18 -0400 Received: from [200.168.210.66] (port=14617 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oVY8h-0002Pq-JY; Tue, 06 Sep 2022 08:57:17 -0400 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Tue, 6 Sep 2022 09:55:38 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 4DD17800476; Tue, 6 Sep 2022 09:55:38 -0300 (-03) From: =?utf-8?q?V=C3=ADctor_Colombo?= To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, danielhb413@gmail.com, david@gibson.dropbear.id.au, groug@kaod.org, richard.henderson@linaro.org, victor.colombo@eldorado.org.br, matheus.ferst@eldorado.org.br, lucas.araujo@eldorado.org.br, leandro.lupori@eldorado.org.br, lucas.coutinho@eldorado.org.br Subject: [PATCH v2 8/8] target/ppc: Clear fpstatus flags on helpers missing it Date: Tue, 6 Sep 2022 09:55:23 -0300 Message-Id: <20220906125523.38765-9-victor.colombo@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220906125523.38765-1-victor.colombo@eldorado.org.br> References: <20220906125523.38765-1-victor.colombo@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 06 Sep 2022 12:55:38.0772 (UTC) FILETIME=[F6B34D40:01D8C1EF] X-Host-Lookup-Failed: Reverse DNS lookup failed for 200.168.210.66 (failed) Received-SPF: pass client-ip=200.168.210.66; envelope-from=victor.colombo@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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" In ppc emulation, exception flags are not cleared at the end of an instruction. Instead, the next instruction is responsible to clear it before its emulation. However, some helpers are not doing it, causing an issue where the previously set exception flags are being used and leading to incorrect values being set in FPSCR. Fix this by clearing fp_status before doing the instruction 'real' work for the following helpers that were missing this behavior: - VSX_CVT_INT_TO_FP_VECTOR - VSX_CVT_FP_TO_FP - VSX_CVT_FP_TO_INT_VECTOR - VSX_CVT_FP_TO_INT2 - VSX_CVT_FP_TO_INT - VSX_CVT_FP_TO_FP_HP - VSX_CVT_FP_TO_FP_VECTOR - VSX_CMP - VSX_ROUND - xscvqpdp - xscvdpsp[n] Signed-off-by: Víctor Colombo Reviewed-by: Daniel Henrique Barboza --- target/ppc/fpu_helper.c | 37 ++++++++++++++++++++++++++----------- 1 file changed, 26 insertions(+), 11 deletions(-) diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 95b22d99b3..331361234f 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -2637,6 +2637,8 @@ uint32_t helper_##op(CPUPPCState *env, ppc_vsr_t *xt, \ int all_true = 1; \ int all_false = 1; \ \ + helper_reset_fpstatus(env); \ + \ for (i = 0; i < nels; i++) { \ if (unlikely(tp##_is_any_nan(xa->fld) || \ tp##_is_any_nan(xb->fld))) { \ @@ -2690,6 +2692,8 @@ void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb) \ ppc_vsr_t t = { }; \ int i; \ \ + helper_reset_fpstatus(env); \ + \ for (i = 0; i < nels; i++) { \ t.tfld = stp##_to_##ttp(xb->sfld, &env->fp_status); \ if (unlikely(stp##_is_signaling_nan(xb->sfld, \ @@ -2715,6 +2719,8 @@ void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb) \ ppc_vsr_t t = { }; \ int i; \ \ + helper_reset_fpstatus(env); \ + \ for (i = 0; i < nels; i++) { \ t.VsrW(2 * i) = stp##_to_##ttp(xb->VsrD(i), &env->fp_status); \ if (unlikely(stp##_is_signaling_nan(xb->VsrD(i), \ @@ -2752,6 +2758,8 @@ void helper_##op(CPUPPCState *env, uint32_t opcode, \ ppc_vsr_t t = *xt; \ int i; \ \ + helper_reset_fpstatus(env); \ + \ for (i = 0; i < nels; i++) { \ t.tfld = stp##_to_##ttp(xb->sfld, &env->fp_status); \ if (unlikely(stp##_is_signaling_nan(xb->sfld, \ @@ -2787,6 +2795,8 @@ void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb) \ ppc_vsr_t t = { }; \ int i; \ \ + helper_reset_fpstatus(env); \ + \ for (i = 0; i < nels; i++) { \ t.tfld = stp##_to_##ttp(xb->sfld, 1, &env->fp_status); \ if (unlikely(stp##_is_signaling_nan(xb->sfld, \ @@ -2834,6 +2844,8 @@ void helper_XSCVQPDP(CPUPPCState *env, uint32_t ro, ppc_vsr_t *xt, ppc_vsr_t t = { }; float_status tstat; + helper_reset_fpstatus(env); + tstat = env->fp_status; if (ro != 0) { tstat.float_rounding_mode = float_round_to_odd; @@ -2855,6 +2867,7 @@ uint64_t helper_xscvdpspn(CPUPPCState *env, uint64_t xb) { uint64_t result, sign, exp, frac; + helper_reset_fpstatus(env); float_status tstat = env->fp_status; set_float_exception_flags(0, &tstat); @@ -2910,22 +2923,20 @@ uint64_t helper_XSCVSPDPN(uint64_t xb) #define VSX_CVT_FP_TO_INT(op, nels, stp, ttp, sfld, tfld, sfi, rnan) \ void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb) \ { \ - int all_flags = env->fp_status.float_exception_flags, flags; \ ppc_vsr_t t = { }; \ - int i; \ + int i, flags; \ + \ + helper_reset_fpstatus(env); \ \ for (i = 0; i < nels; i++) { \ - env->fp_status.float_exception_flags = 0; \ t.tfld = stp##_to_##ttp##_round_to_zero(xb->sfld, &env->fp_status); \ flags = env->fp_status.float_exception_flags; \ if (unlikely(flags & float_flag_invalid)) { \ t.tfld = float_invalid_cvt(env, flags, t.tfld, rnan, 0, GETPC());\ } \ - all_flags |= flags; \ } \ \ *xt = t; \ - env->fp_status.float_exception_flags = all_flags; \ do_float_check_status(env, sfi, GETPC()); \ } @@ -2977,12 +2988,12 @@ VSX_CVT_FP_TO_INT128(XSCVQPSQZ, int128, 0x8000000000000000ULL); #define VSX_CVT_FP_TO_INT2(op, nels, stp, ttp, sfi, rnan) \ void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb) \ { \ - int all_flags = env->fp_status.float_exception_flags, flags; \ ppc_vsr_t t = { }; \ - int i; \ + int i, flags; \ + \ + helper_reset_fpstatus(env); \ \ for (i = 0; i < nels; i++) { \ - env->fp_status.float_exception_flags = 0; \ t.VsrW(2 * i) = stp##_to_##ttp##_round_to_zero(xb->VsrD(i), \ &env->fp_status); \ flags = env->fp_status.float_exception_flags; \ @@ -2991,11 +3002,9 @@ void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb) \ rnan, 0, GETPC()); \ } \ t.VsrW(2 * i + 1) = t.VsrW(2 * i); \ - all_flags |= flags; \ } \ \ *xt = t; \ - env->fp_status.float_exception_flags = all_flags; \ do_float_check_status(env, sfi, GETPC()); \ } @@ -3020,6 +3029,8 @@ void helper_##op(CPUPPCState *env, uint32_t opcode, \ ppc_vsr_t t = { }; \ int flags; \ \ + helper_reset_fpstatus(env); \ + \ t.tfld = stp##_to_##ttp##_round_to_zero(xb->sfld, &env->fp_status); \ flags = get_float_exception_flags(&env->fp_status); \ if (flags & float_flag_invalid) { \ @@ -3032,7 +3043,6 @@ void helper_##op(CPUPPCState *env, uint32_t opcode, \ VSX_CVT_FP_TO_INT_VECTOR(xscvqpsdz, float128, int64, f128, VsrD(0), \ 0x8000000000000000ULL) - VSX_CVT_FP_TO_INT_VECTOR(xscvqpswz, float128, int32, f128, VsrD(0), \ 0xffffffff80000000ULL) VSX_CVT_FP_TO_INT_VECTOR(xscvqpudz, float128, uint64, f128, VsrD(0), 0x0ULL) @@ -3055,6 +3065,8 @@ void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb) \ ppc_vsr_t t = { }; \ int i; \ \ + helper_reset_fpstatus(env); \ + \ for (i = 0; i < nels; i++) { \ t.tfld = stp##_to_##ttp(xb->sfld, &env->fp_status); \ if (r2sp) { \ @@ -3124,6 +3136,7 @@ void helper_##op(CPUPPCState *env, uint32_t opcode, \ { \ ppc_vsr_t t = *xt; \ \ + helper_reset_fpstatus(env); \ t.tfld = stp##_to_##ttp(xb->sfld, &env->fp_status); \ helper_compute_fprf_##ttp(env, t.tfld); \ \ @@ -3157,6 +3170,8 @@ void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb) \ int i; \ FloatRoundMode curr_rounding_mode; \ \ + helper_reset_fpstatus(env); \ + \ if (rmode != FLOAT_ROUND_CURRENT) { \ curr_rounding_mode = get_float_rounding_mode(&env->fp_status); \ set_float_rounding_mode(rmode, &env->fp_status); \