[Bug target/15445] spurious dependency-violation warnings

tbm at cyrius dot com gcc-bugzilla@gcc.gnu.org
Sat Oct 14 22:17:00 GMT 2006



------- Comment #6 from tbm at cyrius dot com  2006-10-14 22:17 -------
Created an attachment (id=12432)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=12432&action=view)
testcase

tbm@coconut0:~$ /usr/lib/gcc-snapshot/bin/gcc -c sfront-readmidi.c
tbm@coconut0:~$ /usr/lib/gcc-snapshot/bin/gcc -c -O2 sfront-readmidi.c
/tmp/ccJHp78N.s: Assembler messages:
/tmp/ccJHp78N.s:55: Warning: Use of 'mov' may violate WAW dependency 'GR%, % in
1 - 127' (impliedf), specific resource number is 16
/tmp/ccJHp78N.s:55: Warning: Only the first path encountering the conflict is
reported
/tmp/ccJHp78N.s:54: Warning: This is the location of the conflicting usage
tbm@coconut0:~$ gcc-3.4 -c -O2 sfront-readmidi.c
tbm@coconut0:~$


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15445



More information about the Gcc-bugs mailing list