CVS commit: [netbsd-7] src/common/lib/libc/arch/m68k/atomic

["Soren Jacobsen" <snj%netbsd.org@localhost>]

Module Name:    src
Committed By:   snj
Date:           Thu Jul 16 21:45:52 UTC 2015

Modified Files:
        src/common/lib/libc/arch/m68k/atomic [netbsd-7]: atomic_cas.S

Log Message:
Pull up following revision(s) (requested by isaki in ticket #865):
        common/lib/libc/arch/m68k/atomic/atomic_cas.S: revisions 1.11, 1.12
atomic_cas_{8,16}:
 - Correct the wrong offset in stack.
__sync_bool_compare_and_swap_{1,2,4}:
 - Correct the wrong offset in stack.
 - D3 must be preserved in subroutines.
PR/49995.
--
Improve the code in __sync_bool_compare_and_swap_{1,2,4}.
- bccs is smaller and faster than bcc(.w) in this case.
- it can be used movql in this case (assembler optimise it though).


To generate a diff of this commit:
cvs rdiff -u -r1.10 -r1.10.4.1 \
    src/common/lib/libc/arch/m68k/atomic/atomic_cas.S

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.