[Bug c/25229] __sync_add_and_fetch cannot use condition flags from subl

[bcrl at kvack dot org]

------- Comment #2 from bcrl at kvack dot org  2005-12-02 20:06 -------
The attached program should generate code that looks something like:

fput:
 addl $-1,(%rdi)
 jne .L4
 jmp release
.L4:
 ret


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25229