From patchwork Thu Mar 6 23:32:47 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Graf X-Patchwork-Id: 327623 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 3C36A2C032B for ; Fri, 7 Mar 2014 10:50:11 +1100 (EST) Received: from localhost ([::1]:33078 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WLi3E-0002E7-Pt for incoming@patchwork.ozlabs.org; Thu, 06 Mar 2014 18:50:08 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58505) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WLhoD-00015t-PM for qemu-devel@nongnu.org; Thu, 06 Mar 2014 18:35:16 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WLhnx-0003JJ-06 for qemu-devel@nongnu.org; Thu, 06 Mar 2014 18:34:37 -0500 Received: from cantor2.suse.de ([195.135.220.15]:55841 helo=mx2.suse.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WLhnw-0003Eb-Jj; Thu, 06 Mar 2014 18:34:20 -0500 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id DED09ACF0; Thu, 6 Mar 2014 23:34:19 +0000 (UTC) From: Alexander Graf To: qemu-devel@nongnu.org Date: Fri, 7 Mar 2014 00:32:47 +0100 Message-Id: <1394148857-19607-41-git-send-email-agraf@suse.de> X-Mailer: git-send-email 1.7.12.4 In-Reply-To: <1394148857-19607-1-git-send-email-agraf@suse.de> References: <1394148857-19607-1-git-send-email-agraf@suse.de> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 195.135.220.15 Cc: Peter Maydell , Tom Musta , blauwirbel@gmail.com, qemu-ppc@nongnu.org, aliguori@amazon.com, aurelien@aurel32.net Subject: [Qemu-devel] [PULL 040/130] target-ppc: VSX Stage 4: Add xsmulsp 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 From: Tom Musta This patch adds the VSX Scalar Multiply Single-Precision (xsmulsp) instruction. The existing VSX_MUL macro is modified to support rounding of the intermediate result to single precision. Signed-off-by: Tom Musta Reviewed-by: Richard Henderson Signed-off-by: Alexander Graf --- target-ppc/fpu_helper.c | 13 +++++++++---- target-ppc/helper.h | 1 + target-ppc/translate.c | 2 ++ 3 files changed, 12 insertions(+), 4 deletions(-) diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c index f047640..dc9849f 100644 --- a/target-ppc/fpu_helper.c +++ b/target-ppc/fpu_helper.c @@ -1822,7 +1822,7 @@ VSX_ADD_SUB(xvsubsp, sub, 4, float32, f32, 0, 0) * fld - vsr_t field (f32 or f64) * sfprf - set FPRF */ -#define VSX_MUL(op, nels, tp, fld, sfprf) \ +#define VSX_MUL(op, nels, tp, fld, sfprf, r2sp) \ void helper_##op(CPUPPCState *env, uint32_t opcode) \ { \ ppc_vsr_t xt, xa, xb; \ @@ -1849,6 +1849,10 @@ void helper_##op(CPUPPCState *env, uint32_t opcode) \ } \ } \ \ + if (r2sp) { \ + xt.fld[i] = helper_frsp(env, xt.fld[i]); \ + } \ + \ if (sfprf) { \ helper_compute_fprf(env, xt.fld[i], sfprf); \ } \ @@ -1858,9 +1862,10 @@ void helper_##op(CPUPPCState *env, uint32_t opcode) \ helper_float_check_status(env); \ } -VSX_MUL(xsmuldp, 1, float64, f64, 1) -VSX_MUL(xvmuldp, 2, float64, f64, 0) -VSX_MUL(xvmulsp, 4, float32, f32, 0) +VSX_MUL(xsmuldp, 1, float64, f64, 1, 0) +VSX_MUL(xsmulsp, 1, float64, f64, 1, 1) +VSX_MUL(xvmuldp, 2, float64, f64, 0, 0) +VSX_MUL(xvmulsp, 4, float32, f32, 0, 0) /* VSX_DIV - VSX floating point divide * op - instruction mnemonic diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 696b9d3..0ccdc96 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -288,6 +288,7 @@ DEF_HELPER_2(xsrdpiz, void, env, i32) DEF_HELPER_2(xsaddsp, void, env, i32) DEF_HELPER_2(xssubsp, void, env, i32) +DEF_HELPER_2(xsmulsp, void, env, i32) DEF_HELPER_2(xvadddp, void, env, i32) DEF_HELPER_2(xvsubdp, void, env, i32) diff --git a/target-ppc/translate.c b/target-ppc/translate.c index f0925d5..87817c2 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -7360,6 +7360,7 @@ GEN_VSX_HELPER_2(xsrdpiz, 0x12, 0x05, 0, PPC2_VSX) GEN_VSX_HELPER_2(xsaddsp, 0x00, 0x00, 0, PPC2_VSX207) GEN_VSX_HELPER_2(xssubsp, 0x00, 0x01, 0, PPC2_VSX207) +GEN_VSX_HELPER_2(xsmulsp, 0x00, 0x02, 0, PPC2_VSX207) GEN_VSX_HELPER_2(xvadddp, 0x00, 0x0C, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvsubdp, 0x00, 0x0D, 0, PPC2_VSX) @@ -10169,6 +10170,7 @@ GEN_XX2FORM(xsrdpiz, 0x12, 0x05, PPC2_VSX), GEN_XX3FORM(xsaddsp, 0x00, 0x00, PPC2_VSX207), GEN_XX3FORM(xssubsp, 0x00, 0x01, PPC2_VSX207), +GEN_XX3FORM(xsmulsp, 0x00, 0x02, PPC2_VSX207), GEN_XX3FORM(xvadddp, 0x00, 0x0C, PPC2_VSX), GEN_XX3FORM(xvsubdp, 0x00, 0x0D, PPC2_VSX),