From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758725AbbIVQv0 (ORCPT ); Tue, 22 Sep 2015 12:51:26 -0400 Received: from 2.236.17.93.rev.sfr.net ([93.17.236.2]:34595 "EHLO mailhub1.si.c-s.fr" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757764AbbIVQvW (ORCPT ); Tue, 22 Sep 2015 12:51:22 -0400 Message-Id: <044c1051260d4110b81af6881242eda7c8d406ac.1442939410.git.christophe.leroy@c-s.fr> In-Reply-To: References: From: Christophe Leroy Subject: [PATCH v2 25/25] powerpc32: Remove one insn in mulhdu To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , scottwood@freescale.com Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Date: Tue, 22 Sep 2015 18:51:19 +0200 (CEST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Remove one instruction in mulhdu Signed-off-by: Christophe Leroy --- New in v2 arch/powerpc/kernel/misc_32.S | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index 1597424..870dc63 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -91,17 +91,16 @@ _GLOBAL(mulhdu) addc r7,r0,r7 addze r4,r4 1: beqlr cr1 /* all done if high part of A is 0 */ - mr r10,r3 mullw r9,r3,r5 - mulhwu r3,r3,r5 + mulhwu r10,r3,r5 beq 2f - mullw r0,r10,r6 - mulhwu r8,r10,r6 + mullw r0,r3,r6 + mulhwu r8,r3,r6 addc r7,r0,r7 adde r4,r4,r8 - addze r3,r3 + addze r10,r10 2: addc r4,r4,r9 - addze r3,r3 + addze r3,r10 blr /* -- 2.1.0