From patchwork Thu Feb 2 05:13:10 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 722755 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3vDT5d099fz9ryr for ; Thu, 2 Feb 2017 16:27:17 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=gibson.dropbear.id.au header.i=@gibson.dropbear.id.au header.b="ZZ25K3pj"; dkim-atps=neutral Received: from localhost ([::1]:54265 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cZ9vO-0001xa-Bn for incoming@patchwork.ozlabs.org; Thu, 02 Feb 2017 00:27:14 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51121) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cZ9jg-0007A4-Et for qemu-devel@nongnu.org; Thu, 02 Feb 2017 00:15:11 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cZ9je-0003Wn-1w for qemu-devel@nongnu.org; Thu, 02 Feb 2017 00:15:08 -0500 Received: from ozlabs.org ([103.22.144.67]:41231) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cZ9jd-0003Tx-JU; Thu, 02 Feb 2017 00:15:05 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 3vDSqM3Dttz9s7Y; Thu, 2 Feb 2017 16:14:54 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1486012495; bh=qTeD20U4dCEaDzKGfUJElQTHWRB4u3vnIshd79xXA0c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZZ25K3pjGqLZkD3z//vTNNDpo0UwJOn4k1v+3BL5XwDby5wjH9vXO6xEKChwZvTgM iOrpsun4a7mYeHAFebdYBbUcBW8yZR/W3oOxWE7pqpb8Z6whNErirdTCMSoiu2/mEw qSVfmKY8bY5xTOzcr5Nn+uaYhowN0R0OObqPLDrg= From: David Gibson To: peter.maydell@linaro.org Date: Thu, 2 Feb 2017 16:13:10 +1100 Message-Id: <20170202051445.5735-13-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170202051445.5735-1-david@gibson.dropbear.id.au> References: <20170202051445.5735-1-david@gibson.dropbear.id.au> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 103.22.144.67 Subject: [Qemu-devel] [PULL 012/107] target-ppc: Implement bcdcpsgn. instruction X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lvivier@redhat.com, thuth@redhat.com, qemu-devel@nongnu.org, Jose Ricardo Ziviani , mdroth@linux.vnet.ibm.com, agraf@suse.de, aik@ozlabs.ru, qemu-ppc@nongnu.org, David Gibson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Jose Ricardo Ziviani bcdcpsgn.: Decimal copy sign. Given two registers vra and vrb, it copies the vra value with vrb sign to the result register vrt. Signed-off-by: Jose Ricardo Ziviani Reviewed-by: David Gibson Signed-off-by: David Gibson --- target/ppc/helper.h | 1 + target/ppc/int_helper.c | 23 +++++++++++++++++++++++ target/ppc/translate/vmx-impl.inc.c | 3 +++ target/ppc/translate/vmx-ops.inc.c | 2 +- 4 files changed, 28 insertions(+), 1 deletion(-) diff --git a/target/ppc/helper.h b/target/ppc/helper.h index daf5a6e..7957633 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -379,6 +379,7 @@ DEF_HELPER_3(bcdcfz, i32, avr, avr, i32) DEF_HELPER_3(bcdctz, i32, avr, avr, i32) DEF_HELPER_3(bcdcfsq, i32, avr, avr, i32) DEF_HELPER_3(bcdctsq, i32, avr, avr, i32) +DEF_HELPER_4(bcdcpsgn, i32, avr, avr, avr, i32) DEF_HELPER_2(xsadddp, void, env, i32) DEF_HELPER_2(xssubdp, void, env, i32) diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index fa7cfdd..61762ee 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -2920,6 +2920,29 @@ uint32_t helper_bcdctsq(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps) return cr; } +uint32_t helper_bcdcpsgn(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) +{ + int i; + int invalid = 0; + + if (bcd_get_sgn(a) == 0 || bcd_get_sgn(b) == 0) { + return CRF_SO; + } + + *r = *a; + bcd_put_digit(r, b->u8[BCD_DIG_BYTE(0)] & 0xF, 0); + + for (i = 1; i < 32; i++) { + bcd_get_digit(a, i, &invalid); + bcd_get_digit(b, i, &invalid); + if (unlikely(invalid)) { + return CRF_SO; + } + } + + return bcd_cmp_zero(r); +} + void helper_vsbox(ppc_avr_t *r, ppc_avr_t *a) { int i; diff --git a/target/ppc/translate/vmx-impl.inc.c b/target/ppc/translate/vmx-impl.inc.c index 1579b58..c14b666 100644 --- a/target/ppc/translate/vmx-impl.inc.c +++ b/target/ppc/translate/vmx-impl.inc.c @@ -991,6 +991,7 @@ GEN_BCD2(bcdcfz) GEN_BCD2(bcdctz) GEN_BCD2(bcdcfsq) GEN_BCD2(bcdctsq) +GEN_BCD(bcdcpsgn); static void gen_xpnd04_1(DisasContext *ctx) { @@ -1056,6 +1057,8 @@ GEN_VXFORM_DUAL(vsubuhm, PPC_ALTIVEC, PPC_NONE, \ bcdsub, PPC_NONE, PPC2_ALTIVEC_207) GEN_VXFORM_DUAL(vsubuhs, PPC_ALTIVEC, PPC_NONE, \ bcdsub, PPC_NONE, PPC2_ALTIVEC_207) +GEN_VXFORM_DUAL(vaddshs, PPC_ALTIVEC, PPC_NONE, \ + bcdcpsgn, PPC_NONE, PPC2_ISA300) static void gen_vsbox(DisasContext *ctx) { diff --git a/target/ppc/translate/vmx-ops.inc.c b/target/ppc/translate/vmx-ops.inc.c index f02b3be..70d7d2b 100644 --- a/target/ppc/translate/vmx-ops.inc.c +++ b/target/ppc/translate/vmx-ops.inc.c @@ -131,7 +131,7 @@ GEN_VXFORM_DUAL(vaddubs, vmul10uq, 0, 8, PPC_ALTIVEC, PPC_NONE), GEN_VXFORM_DUAL(vadduhs, vmul10euq, 0, 9, PPC_ALTIVEC, PPC_NONE), GEN_VXFORM(vadduws, 0, 10), GEN_VXFORM(vaddsbs, 0, 12), -GEN_VXFORM(vaddshs, 0, 13), +GEN_VXFORM_DUAL(vaddshs, bcdcpsgn, 0, 13, PPC_ALTIVEC, PPC_NONE), GEN_VXFORM(vaddsws, 0, 14), GEN_VXFORM_DUAL(vsububs, bcdadd, 0, 24, PPC_ALTIVEC, PPC_NONE), GEN_VXFORM_DUAL(vsubuhs, bcdsub, 0, 25, PPC_ALTIVEC, PPC_NONE),