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<p><tt><font size="2">llvm-bgq-discuss-bounces@lists.alcf.anl.gov wrote on 04/17/2013 11:06:14 PM:<br>
<br>
> From:</font></tt><br>
<tt><font size="2">> <br>
> Hal Finkel <hfinkel@anl.gov></font></tt><br>
<tt><font size="2">> Can you be more specific about at what you're looking? The <br>
> underlying assembly language is indeed the same (and, as far as I <br>
> know, both compilers use the same underlying system assembler).<br>
</font></tt><br>
<tt><font size="2">I'm not sure it uses the same assembler as gcc. The following is an instruction that gave me some trouble, it assembles under gcc but not llvm. </font></tt><br>
<tt><font size="2"> mtfsf 0,%f0,1,0</font></tt><br>
<br>
<tt><font size="2">start.S: Assembler messages:</font></tt><br>
<tt><font size="2">start.S:278: Error: junk at end of line: `1,0'</font></tt><br>
<br>
<tt><font size="2">The mtfsf instruction appears to have additional parameters in the embedded PowerPC book. </font></tt><br>
<br>
<tt><font size="2">Tom</font></tt><font size="2" face="sans-serif"> Gooding<br>
Senior Engineer / Blue Gene Kernels<br>
507-253-0747 (internal: 553-0747)</font></body></html>