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[Bug libstdc++/11784] New: atomic __exchange_and_add() broken for ColdFire and 68000 targets.
- From: "bernie at develer dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 4 Aug 2003 01:15:16 -0000
- Subject: [Bug libstdc++/11784] New: atomic __exchange_and_add() broken for ColdFire and 68000 targets.
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11784
Summary: atomic __exchange_and_add() broken for ColdFire and
68000 targets.
Product: gcc
Version: 3.4
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libstdc++
AssignedTo: bernie at develer dot com
ReportedBy: bernie at develer dot com
CC: gcc-bugs at gcc dot gnu dot org
GCC target triplet: m68k-elf
User apps linking with libstdc++ segfault on ColdFire targets because
__exchange_and_add() for vxWorks/__embedded__ targets tries to disable
interrupts with the "move #0,%sr" privileged opcode.
Patch attached.