title: which c code will gets changed to rlwinm power PC assembly instruciton
body: <p>which c code will gets changed to rlwinm power PC assembly instruciton??</p>
  
  <p>This is the snapshot of objdump..</p>
  
  <pre><code>   if(!pool || pool-&gt;maxPoolSize &gt; SEQ_MODULUS ) /* Invalid mask or pointer is null */
  
     29ccc:       41 82 00 dc     beq-    29da8 &lt;asGetSdBuf+0x108&gt;
     29cd0:       80 c3 00 08     lwz     r6,8(r3)
     29cd4:       3c 00 00 ff     lis     r0,255
     29cd8:       60 00 ff ff     ori     r0,r0,65535
     29cdc:       7f 86 00 40     cmplw   cr7,r6,r0
     29ce0:       41 9d 00 78     bgt-    cr7,29d58 &lt;asGetSdBuf+0xb8&gt;
  
     ind = pool-&gt;maxPoolSize &amp; idx;
  
     /* there are free sdBufs, get one */
  
     sdBuf = pool-&gt;sdBufs + ind;
  
     29ce4:       81 63 00 10     lwz     r11,16(r3)
     29ce8:       7c 80 30 38     and     r0,r4,r6
     29cec:       54 04 20 36     **rlwinm  r4,r0,4,0,27**
  
     if(!sdBuf) /* check if sdBuf pointer is null */
  
     29cf0:       7f eb 22 15     add.    r31,r11,r4
     29cf4:       41 82 00 fc     beq-    29df0 &lt;asGetSdBuf+0x150&gt;
     }
  </code></pre>
  
  <p>Thanks,</p>