http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59644
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|target |tree-optimization
--- Comment #16 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Ok it's the second hunk that causes the hang:
@@ -2680,28 +2677,25 @@
printk:
pushq %rbp
movq %rsp, %rbp
- pushq %r10
- leaq -56(%rbp), %rax
- leaq 16(%rbp), %r10
subq $72, %rsp
+ leaq 16(%rbp), %r10
movq %rsi, -48(%rbp)
movq %rdx, -40(%rbp)
movq %rcx, -32(%rbp)
movq %r8, -24(%rbp)
- xorl %ecx, %ecx
+ leaq -56(%rbp), %rax
movq %r9, -16(%rbp)
movq %rdi, %r8
leaq -80(%rbp), %r9
+ xorl %ecx, %ecx
xorl %edx, %edx
orl $-1, %esi
xorl %edi, %edi
- movq %r10, -72(%rbp)
movl $8, -80(%rbp)
+ movq %r10, -72(%rbp)
movq %rax, -64(%rbp)
call vprintk_emit
- addq $72, %rsp
- popq %r10
- popq %rbp
+ leave
ret
.size printk, .-printk
.LCOLDE47:
