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From: "kinetik at flim dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug inline-asm/32971] Inline asm with offset addressing fails to compile in 4.0+ without -O
Date: Fri, 03 Aug 2007 05:11:00 -0000 [thread overview]
Message-ID: <20070803051114.25989.qmail@sourceware.org> (raw)
In-Reply-To: <bug-32971-10461@http.gcc.gnu.org/bugzilla/>
------- Comment #3 from kinetik at flim dot org 2007-08-03 05:11 -------
(In reply to comment #2)
> asm ("lea %1(%2), %0"
> : "=r" (i)
> : "i" (offsetof(struct coord, y)),
> "r" (c)
> : "memory");
Bug #29357 suggests that I need to use %c1 rather than %1 here, and indeed this
works and I believe this is the correct solution.
I'm don't know enough to know if the original reason I opened the bug is still
valid (i.e. it's a regression), or if I'm just being bitten by behaviour
changes when I'm abusing the meaning of the operand (I suspect the latter), so
I'll leave the bug open for someone to review and confirm or close.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32971
next prev parent reply other threads:[~2007-08-03 5:11 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-03 4:47 [Bug inline-asm/32971] New: " kinetik at orcon dot net dot nz
2007-08-03 4:48 ` [Bug inline-asm/32971] " kinetik at orcon dot net dot nz
2007-08-03 4:51 ` kinetik at orcon dot net dot nz
2007-08-03 5:11 ` kinetik at flim dot org [this message]
2007-08-03 12:17 ` pinskia at gcc dot gnu dot org
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