From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8918 invoked by alias); 28 Sep 2004 06:57:52 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 8910 invoked by uid 48); 28 Sep 2004 06:57:51 -0000 Date: Tue, 28 Sep 2004 06:57:00 -0000 Message-ID: <20040928065751.8908.qmail@sourceware.org> From: "ebotcazou at gcc dot gnu dot org" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20040713215437.16532.dann@godzilla.ics.uci.edu> References: <20040713215437.16532.dann@godzilla.ics.uci.edu> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug target/16532] Inefficient jump to epilogue X-Bugzilla-Reason: CC X-SW-Source: 2004-09/txt/msg03441.txt.bz2 List-Id: ------- Additional Comments From ebotcazou at gcc dot gnu dot org 2004-09-28 06:57 ------- It appears that we also made some progress for the second testcase. We now generate at -O2 -mcpu=ultrasparc: FirstOne: add %sp, -120, %sp std %o0, [%sp+96] sllx %o0, 32, %o0 srl %o1, 0, %o1 or %o1, %o0, %o0 srlx %o0, 48, %o1 srlx %o1, 32, %o0 orcc %o0, %o1, %g0 be,pt %icc, .LL2 nop sethi %hi(first_one), %g1 sub %sp, -120, %sp or %g1, %lo(first_one), %g1 jmp %o7+8 ldub [%g1+%o1], %o0 so the 'save' instruction is not emitted anymore. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16532