diff options
Diffstat (limited to 'gnu/egcs/libstdc++/std/bastring.h')
| -rw-r--r-- | gnu/egcs/libstdc++/std/bastring.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/gnu/egcs/libstdc++/std/bastring.h b/gnu/egcs/libstdc++/std/bastring.h index 6206713b6c9..70891262e96 100644 --- a/gnu/egcs/libstdc++/std/bastring.h +++ b/gnu/egcs/libstdc++/std/bastring.h @@ -77,8 +77,15 @@ private: void release () { size_t __val; - asm ("lock; xaddl %0, %2" - : "=r" (__val) : "0" (-1), "m" (ref) : "memory"); + // This opcode exists as a .byte instead of as a mnemonic for the + // benefit of SCO OpenServer 5. The system assembler (which is + // essentially required on this target) can't assemble xaddl in + //COFF mode. + asm (".byte 0xf0, 0x0f, 0xc1, 0x02" // lock; xaddl %eax, (%edx) + : "=a" (__val) + : "0" (-1), "m" (ref), "d" (&ref) + : "memory"); + if (__val == 1) delete this; } |