Disassembly of section .text:

0000000000100000 <test_cntlzw_1>:
  100000:       7c a6 00 34     cntlzw  r6,r5
  100004:       4e 80 00 20     blr

0000000000100008 <test_cntlzw_1_constant>:
  100008:       38 a0 00 00     li      r5,0
  10000c:       7c a6 00 34     cntlzw  r6,r5
  100010:       4e 80 00 20     blr

0000000000100014 <test_cntlzw_2>:
  100014:       7c a6 00 34     cntlzw  r6,r5
  100018:       4e 80 00 20     blr

000000000010001c <test_cntlzw_2_constant>:
  10001c:       38 a0 00 01     li      r5,1
  100020:       7c a6 00 34     cntlzw  r6,r5
  100024:       4e 80 00 20     blr

0000000000100028 <test_cntlzw_3>:
  100028:       7c a6 00 34     cntlzw  r6,r5
  10002c:       4e 80 00 20     blr

0000000000100030 <test_cntlzw_3_constant>:
  100030:       38 a0 ff ff     li      r5,-1
  100034:       54 a5 00 3e     rotlwi  r5,r5,0
  100038:       7c a6 00 34     cntlzw  r6,r5
  10003c:       4e 80 00 20     blr

0000000000100040 <test_cntlzw_4>:
  100040:       7c a6 00 34     cntlzw  r6,r5
  100044:       4e 80 00 20     blr

0000000000100048 <test_cntlzw_4_constant>:
  100048:       38 a0 ff ff     li      r5,-1
  10004c:       54 a5 f8 7e     rlwinm  r5,r5,31,1,31
  100050:       7c a6 00 34     cntlzw  r6,r5
  100054:       4e 80 00 20     blr

0000000000100058 <test_cntlzw_5>:
  100058:       7c a6 00 34     cntlzw  r6,r5
  10005c:       4e 80 00 20     blr

0000000000100060 <test_cntlzw_5_constant>:
  100060:       38 a0 ff ff     li      r5,-1
  100064:       78 a5 07 c6     rldicr  r5,r5,32,31
  100068:       38 a5 00 01     addi    r5,r5,1
  10006c:       7c a6 00 34     cntlzw  r6,r5
  100070:       4e 80 00 20     blr