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