From patchwork Sun May 24 23:47:25 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aurelien Jarno X-Patchwork-Id: 476032 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 A29C31400B7 for ; Mon, 25 May 2015 09:50:36 +1000 (AEST) Received: from localhost ([::1]:41215 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ywff8-0008W5-Sn for incoming@patchwork.ozlabs.org; Sun, 24 May 2015 19:50:34 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58267) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YwfcK-00037R-VA for qemu-devel@nongnu.org; Sun, 24 May 2015 19:47:42 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YwfcJ-00080f-8f for qemu-devel@nongnu.org; Sun, 24 May 2015 19:47:40 -0400 Received: from hall.aurel32.net ([2001:bc8:30d7:101::1]:40624) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YwfcJ-000802-3N for qemu-devel@nongnu.org; Sun, 24 May 2015 19:47:39 -0400 Received: from weber.rr44.fr ([2001:470:d4ed:0:7e05:7ff:fe0d:f152]) by hall.aurel32.net with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84) (envelope-from ) id 1YwfcG-0006oD-Iq; Mon, 25 May 2015 01:47:36 +0200 Received: from aurel32 by weber.rr44.fr with local (Exim 4.85) (envelope-from ) id 1YwfcF-0005t8-Nw; Mon, 25 May 2015 01:47:35 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Mon, 25 May 2015 01:47:25 +0200 Message-Id: <1432511251-22515-5-git-send-email-aurelien@aurel32.net> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1432511251-22515-1-git-send-email-aurelien@aurel32.net> References: <1432511251-22515-1-git-send-email-aurelien@aurel32.net> X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:bc8:30d7:101::1 Cc: Alexander Graf , Aurelien Jarno , Richard Henderson Subject: [Qemu-devel] [PATCH 04/10] target-s390x: silence NaNs for LOAD LENGTHENED and LOAD ROUNDED X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 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 LOAD LENGTHENED and LOAD ROUNDED are considered as FP operations and thus need to convert input sNaN into corresponding qNaN. Cc: Alexander Graf Cc: Richard Henderson Signed-off-by: Aurelien Jarno --- target-s390x/fpu_helper.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/target-s390x/fpu_helper.c b/target-s390x/fpu_helper.c index b946ec1..96eabb6 100644 --- a/target-s390x/fpu_helper.c +++ b/target-s390x/fpu_helper.c @@ -265,7 +265,7 @@ uint64_t HELPER(ldeb)(CPUS390XState *env, uint64_t f2) { float64 ret = float32_to_float64(f2, &env->fpu_status); handle_exceptions(env, GETPC()); - return ret; + return float64_maybe_silence_nan(ret); } /* convert 128-bit float to 64-bit float */ @@ -273,7 +273,7 @@ uint64_t HELPER(ldxb)(CPUS390XState *env, uint64_t ah, uint64_t al) { float64 ret = float128_to_float64(make_float128(ah, al), &env->fpu_status); handle_exceptions(env, GETPC()); - return ret; + return float64_maybe_silence_nan(ret); } /* convert 64-bit float to 128-bit float */ @@ -281,7 +281,7 @@ uint64_t HELPER(lxdb)(CPUS390XState *env, uint64_t f2) { float128 ret = float64_to_float128(f2, &env->fpu_status); handle_exceptions(env, GETPC()); - return RET128(ret); + return RET128(float128_maybe_silence_nan(ret)); } /* convert 32-bit float to 128-bit float */ @@ -289,7 +289,7 @@ uint64_t HELPER(lxeb)(CPUS390XState *env, uint64_t f2) { float128 ret = float32_to_float128(f2, &env->fpu_status); handle_exceptions(env, GETPC()); - return RET128(ret); + return RET128(float128_maybe_silence_nan(ret)); } /* convert 64-bit float to 32-bit float */ @@ -297,7 +297,7 @@ uint64_t HELPER(ledb)(CPUS390XState *env, uint64_t f2) { float32 ret = float64_to_float32(f2, &env->fpu_status); handle_exceptions(env, GETPC()); - return ret; + return float32_maybe_silence_nan(ret); } /* convert 128-bit float to 32-bit float */ @@ -305,7 +305,7 @@ uint64_t HELPER(lexb)(CPUS390XState *env, uint64_t ah, uint64_t al) { float32 ret = float128_to_float32(make_float128(ah, al), &env->fpu_status); handle_exceptions(env, GETPC()); - return ret; + return float32_maybe_silence_nan(ret); } /* 32-bit FP compare */