From patchwork Tue Sep 11 18:47:10 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aurelien Jarno X-Patchwork-Id: 183170 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 4CAAA2C0081 for ; Wed, 12 Sep 2012 04:49:57 +1000 (EST) Received: from localhost ([::1]:56185 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TBVX1-0003Im-D5 for incoming@patchwork.ozlabs.org; Tue, 11 Sep 2012 14:49:55 -0400 Received: from eggs.gnu.org ([208.118.235.92]:35426) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TBVW2-0000Se-0b for qemu-devel@nongnu.org; Tue, 11 Sep 2012 14:48:56 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TBVW0-0003eK-QA for qemu-devel@nongnu.org; Tue, 11 Sep 2012 14:48:53 -0400 Received: from hall.aurel32.net ([88.191.126.93]:35020) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TBVW0-0003dx-Hv for qemu-devel@nongnu.org; Tue, 11 Sep 2012 14:48:52 -0400 Received: from [37.160.28.118] (helo=ohm.aurel32.net) by hall.aurel32.net with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.72) (envelope-from ) id 1TBVVz-0002EQ-E3; Tue, 11 Sep 2012 20:48:51 +0200 Received: from aurel32 by ohm.aurel32.net with local (Exim 4.80) (envelope-from ) id 1TBVUV-0002Rj-KF; Tue, 11 Sep 2012 20:47:19 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Tue, 11 Sep 2012 20:47:10 +0200 Message-Id: <1347389233-9068-3-git-send-email-aurelien@aurel32.net> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1347389233-9068-1-git-send-email-aurelien@aurel32.net> References: <1347389233-9068-1-git-send-email-aurelien@aurel32.net> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 88.191.126.93 Cc: Alexander Graf , Aurelien Jarno Subject: [Qemu-devel] [PATCH v2 2/5] target-ppc: simplify NaN propagation for vector functions 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 Commit e024e881bb1a8b5085026589360d26ed97acdd64 provided a pickNaN() function for PowerPC, implementing the correct NaN propagation rules. Therefore there is no need to test the operands manually, we can rely on the softfloat code to do that. Cc: Alexander Graf Signed-off-by: Aurelien Jarno --- target-ppc/int_helper.c | 26 +++++++------------------- 1 file changed, 7 insertions(+), 19 deletions(-) diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index f638b2a..5b2a3c8 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -409,9 +409,7 @@ VARITH(uwm, u32) int i; \ \ for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ - HANDLE_NAN2(r->f[i], a->f[i], b->f[i]) { \ - r->f[i] = func(a->f[i], b->f[i], &env->vec_status); \ - } \ + r->f[i] = func(a->f[i], b->f[i], &env->vec_status); \ } \ } VARITHFP(addfp, float32_add) @@ -1039,9 +1037,7 @@ void helper_vrefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) int i; for (i = 0; i < ARRAY_SIZE(r->f); i++) { - HANDLE_NAN1(r->f[i], b->f[i]) { - r->f[i] = float32_div(float32_one, b->f[i], &env->vec_status); - } + r->f[i] = float32_div(float32_one, b->f[i], &env->vec_status); } } @@ -1054,9 +1050,7 @@ void helper_vrefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) \ set_float_rounding_mode(rounding, &s); \ for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ - HANDLE_NAN1(r->f[i], b->f[i]) { \ - r->f[i] = float32_round_to_int (b->f[i], &s); \ - } \ + r->f[i] = float32_round_to_int (b->f[i], &s); \ } \ } VRFI(n, float_round_nearest_even) @@ -1089,11 +1083,9 @@ void helper_vrsqrtefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) int i; for (i = 0; i < ARRAY_SIZE(r->f); i++) { - HANDLE_NAN1(r->f[i], b->f[i]) { - float32 t = float32_sqrt(b->f[i], &env->vec_status); + float32 t = float32_sqrt(b->f[i], &env->vec_status); - r->f[i] = float32_div(float32_one, t, &env->vec_status); - } + r->f[i] = float32_div(float32_one, t, &env->vec_status); } } @@ -1109,9 +1101,7 @@ void helper_vexptefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) int i; for (i = 0; i < ARRAY_SIZE(r->f); i++) { - HANDLE_NAN1(r->f[i], b->f[i]) { - r->f[i] = float32_exp2(b->f[i], &env->vec_status); - } + r->f[i] = float32_exp2(b->f[i], &env->vec_status); } } @@ -1120,9 +1110,7 @@ void helper_vlogefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) int i; for (i = 0; i < ARRAY_SIZE(r->f); i++) { - HANDLE_NAN1(r->f[i], b->f[i]) { - r->f[i] = float32_log2(b->f[i], &env->vec_status); - } + r->f[i] = float32_log2(b->f[i], &env->vec_status); } }