[Bug target/39139] [4.4 Regression] ICE with stringop and register var

[hjl dot tools at gmail dot com]

------- Comment #6 from hjl dot tools at gmail dot com  2009-02-09 19:39 -------
I think gcc treats REG in:

register unsigned long reg asm ("rax");

as an alias of the RAX register. If you use REG in any
way which interferes with register allocator, you will
get either ICE or unexpected results.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39139