From libc-alpha-return-13560-listarch-libc-alpha=sources dot redhat dot com at sources dot redhat dot com Wed Sep 24 06:27:22 2003 Return-Path: Delivered-To: listarch-libc-alpha at sources dot redhat dot com Received: (qmail 23856 invoked by alias); 24 Sep 2003 06:27:20 -0000 Mailing-List: contact libc-alpha-help at sources dot redhat dot com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner at sources dot redhat dot com Delivered-To: mailing list libc-alpha at sources dot redhat dot com Received: (qmail 23847 invoked from network); 24 Sep 2003 06:27:16 -0000 Received: from unknown (HELO sccrmhc11.comcast.net) (204.127.202.55) by sources dot redhat dot com with SMTP; 24 Sep 2003 06:27:16 -0000 Received: from lucon.org ([12.234.88.5]) by comcast dot net (sccrmhc11) with ESMTP id <2003092406271601100ok1f3e>; Wed, 24 Sep 2003 06:27:16 +0000 Received: by lucon.org (Postfix, from userid 1000) id 6B4D02C828; Tue, 23 Sep 2003 23:27:11 -0700 (PDT) Date: Tue, 23 Sep 2003 23:27:11 -0700 From: "H dot J dot Lu" To: Richard Henderson Cc: GNU C Library , linux ia64 kernel Subject: PATCH: Re: Inefficient ia64 system call implementation in glibc Message-ID: <20030924062711.GA860@lucon.org> References: <20030919163218.GA21480@lucon.org> <20030921210434.GA2280@twiddle.net> <20030922193918.GA1141@lucon.org> <20030922232123.GA17271@twiddle.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030922232123 dot GA17271 at twiddle dot net> User-Agent: Mutt/1.4.1i On Mon, Sep 22, 2003 at 04:21:23PM -0700, Richard Henderson wrote: > On Mon, Sep 22, 2003 at 12:39:18PM -0700, H. J. Lu wrote: > > Can I get char * from char [300]? > > x+0 would work in this case; I'd guess it'd work for most of the > cases that syscalls need to handle. > This patch works for me. H.J. --- 2003-09-22 H.J. Lu * sysdeps/unix/sysv/linux/ia64/sysdep.h (LOAD_ARGS_1): Use __typeof ((outX) + 0) instead of long. (LOAD_ARGS_2): Likewise. (LOAD_ARGS_3): Likewise. (LOAD_ARGS_4): Likewise. (LOAD_ARGS_5): Likewise. (LOAD_ARGS_6): Likewise. --- sysdeps/unix/sysv/linux/ia64/sysdep.h.inline 2003-08-21 07:05:30.000000000 -0700 +++ sysdeps/unix/sysv/linux/ia64/sysdep.h 2003-09-23 11:04:02.000000000 -0700 @@ -191,23 +191,23 @@ #define INTERNAL_SYSCALL_ERRNO(val, err) (val) #define LOAD_ARGS_0() do { } while (0) -#define LOAD_ARGS_1(out0) \ - register long _out0 asm ("out0") = (long) (out0); \ +#define LOAD_ARGS_1(out0) \ + register __typeof ((out0) + 0) _out0 asm ("out0") = (out0); \ LOAD_ARGS_0 () -#define LOAD_ARGS_2(out0, out1) \ - register long _out1 asm ("out1") = (long) (out1); \ +#define LOAD_ARGS_2(out0, out1) \ + register __typeof ((out1) + 0) _out1 asm ("out1") = (out1); \ LOAD_ARGS_1 (out0) -#define LOAD_ARGS_3(out0, out1, out2) \ - register long _out2 asm ("out2") = (long) (out2); \ +#define LOAD_ARGS_3(out0, out1, out2) \ + register __typeof ((out2) + 0) _out2 asm ("out2") = (out2); \ LOAD_ARGS_2 (out0, out1) -#define LOAD_ARGS_4(out0, out1, out2, out3) \ - register long _out3 asm ("out3") = (long) (out3); \ +#define LOAD_ARGS_4(out0, out1, out2, out3) \ + register __typeof ((out3) + 0) _out3 asm ("out3") = (out3); \ LOAD_ARGS_3 (out0, out1, out2) -#define LOAD_ARGS_5(out0, out1, out2, out3, out4) \ - register long _out4 asm ("out4") = (long) (out4); \ +#define LOAD_ARGS_5(out0, out1, out2, out3, out4) \ + register __typeof ((out4) + 0) _out4 asm ("out4") = (out4); \ LOAD_ARGS_4 (out0, out1, out2, out3) -#define LOAD_ARGS_6(out0, out1, out2, out3, out4, out5) \ - register long _out5 asm ("out5") = (long) (out5); \ +#define LOAD_ARGS_6(out0, out1, out2, out3, out4, out5) \ + register __typeof ((out5) + 0) _out5 asm ("out5") = (out5); \ LOAD_ARGS_5 (out0, out1, out2, out3, out4) #define ASM_OUTARGS_0