------- Comment #6 from hjl dot tools at gmail dot com 2008-07-04 15:04 -------
The code in question is
movq %r10, %rax #, tmp73
movl %edi, -52(%rbp) # dummy1, dummy1
movl %esi, -56(%rbp) # dummy2, dummy2
movl %edx, -60(%rbp) # dummy3, dummy3
movl %ecx, -64(%rbp) # dummy4, dummy4
movl %r8d, -68(%rbp) # dummy5, dummy5
movl %r9d, -72(%rbp) # dummy6, dummy6
.loc 1 5 0
movl 16(%rax), %eax # size, tmp63
r10 is used for DRAP. But size accessed by rax, not by DRAP.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36728
