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[Bug inline-asm/13167] Incorrect register `%ecx' used with `q' suffix
- From: "dhazeghi at yahoo dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 18 Jan 2004 18:33:36 -0000
- Subject: [Bug inline-asm/13167] Incorrect register `%ecx' used with `q' suffix
- References: <20031123152942.13167.bero@arklinux.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From dhazeghi at yahoo dot com 2004-01-18 18:33 -------
Here's the reduced snippet (copied directly from kernel). GCC thinks the
assembly is invalid. Is it right?
void __clear_bit(int nr, volatile void *addr)
{
__asm__ __volatile__(
"btrq %1,%0"
:"=m" ((*(volatile long *) addr))
:"dIr" (nr));
}
--
What |Removed |Added
----------------------------------------------------------------------------
CC| |pinskia at gcc dot gnu dot
| |org
Status|UNCONFIRMED |WAITING
Keywords|wrong-code |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13167