From: Nathanael Nerode <neroden@twcny.rr.com>
To: user42@zip.com.au, gcc-gnats@gcc.gnu.org,
gcc-patches@gcc.gnu.org, gcc-bugs@gcc.gnu.org,
nobody@gcc.gnu.org
Subject: PATCH: Re: optimization/6162: gcc 3.0.4: certain i386 asm reloader ice
Date: Wed, 30 Oct 2002 21:14:00 -0000 [thread overview]
Message-ID: <3DC0BC2C.2070007@twcny.rr.com> (raw)
Here's a documentation fix. I suspect this is enough to allow the PR to
be closed, given that
* this asm syntax is a gcc extension, I believe, and as such we
can specify it to behave however we like.
* the behavior isn't going to change any time in the near future.
* in general the problem can be worked around if people are aware of it.
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=6162
PR optimization/6162
* md.texi: Document restriction on commutative operand
specification.
Index: md.texi
===================================================================
RCS file: /cvs/gcc/gcc/gcc/doc/md.texi,v
retrieving revision 1.51
diff -u -r1.51 md.texi
--- md.texi 15 Sep 2002 22:48:05 -0000 1.51
+++ md.texi 31 Oct 2002 05:09:57 -0000
@@ -1256,6 +1256,8 @@
@dots{})
@end smallexample
@end ifset
+GCC can only handle one commutative pair in an asm; if you use more,
+the compiler may fail.
@cindex @samp{#} in constraint
@item #
next reply other threads:[~2002-10-31 5:14 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-30 21:14 Nathanael Nerode [this message]
2002-11-10 8:17 ` [PATCH] Fastcall support on cygwin and mingw targets Casper Hornstrup
2002-11-10 17:50 ` Fergus Henderson
2002-11-10 19:10 ` Christopher Faylor
2002-11-11 12:47 ` Casper Hornstrup
2002-11-11 12:27 ` Fergus Henderson
2002-11-12 10:45 ` Casper Hornstrup
2002-11-12 22:08 ` Fergus Henderson
2002-11-13 12:17 ` Casper Hornstrup
2002-11-13 15:47 ` Joseph S. Myers
2002-11-13 20:27 ` Fergus Henderson
2002-11-14 0:31 ` Joseph S. Myers
2002-11-14 8:28 ` Casper Hornstrup
2002-11-25 15:39 ` Richard Henderson
2002-11-27 19:52 ` Casper Hornstrup
2002-11-27 21:15 ` Casper Hornstrup
2002-11-27 22:19 ` Richard Henderson
2002-11-28 2:00 ` Richard Henderson
2002-12-02 13:25 ` Casper Hornstrup
2002-12-02 13:48 ` Richard Henderson
2002-12-03 13:52 ` Casper Hornstrup
2002-12-03 16:32 ` Richard Henderson
2002-12-08 4:08 ` Casper Hornstrup
2002-12-19 14:01 ` Richard Henderson
2002-12-19 14:07 ` Casper Hornstrup
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