std     %r31,-8(%r1)
stdu    %r1,-0x50(%r1)
mr      %r31,%r1
bl      1300010 <get_r2>

std     %r31,-8(%r1)
stdu    %r1,-0x40(%r1)
mr      %r31,%r1
bl      1300010 <get_r2>

0000000001300010 <get_r2>:
mflr    %r3
lis     %r4,-2
ori     %r4,%r4,0x7F38
rldicr  %r4,%r4,0x20,31
sradi   %r4,%r4,0x20
subf    %r2,%r4,%r3
ld      %r1,0(%r1)
ld      %r31,-8(%r1)
blr
lwz     %r0,1(%r1)