-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 05/06/11 03:57, Paolo Bonzini wrote: > On 04/22/2011 05:21 PM, Chung-Lin Tang wrote: >> Also, instead of testing for XEXP(SET_SRC(PATTERN(i3)),1) == const0_rtx >> at the top, it now allows CONST_INT_P(XEXP(SET_SRC(PATTERN(i3)),1)), >> tries to adjust it by simplify_compare_const() from the last patch, and >> then tests if op1 == const0_rtx. This is a small improvement in some >> cases. > > I'm not sure why it doesn't allow both? Part of the purpose of the patch is be more general in the constants allowed; prior to Chung-Lin's patch only const0_rtx was allowed. Chung-Lin's patch generalizes the code to allow other constants is specific cases.
Jeff -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/ iQEcBAEBAgAGBQJNxA9+AAoJEBRtltQi2kC79lUH/2s2u2HNJMSedW5RFGPhYghX zIosctPzZ4EkqrH5uvNJMBRxnxu0sBmDcJM5HcoaA5tz/T1aHlsGk6XvPeh+gSJO wDnFHCUMdmB7hXSB/BcpAC5496DTrZNoyix5qIwIpxPjlaA9n4LoSA+ZiO6nObPH dZ6UfyCihF+zCukSSQ0qHywJvSVfsQByBYefspS7uy0yFhzm45LHTcIN/j4hC685 lC2lIsBH7ZtMV01tRbr47PGgoey0pwvVeiHf/FcCWA6+Zo2ctfyjzsaE3exg8ms6 zylDHA/9gf2D1oYFn5FmrnHiYt3WGX/75u7bJCCJK1OUKknq6MnexVnfITsovFo= =7ZnG -----END PGP SIGNATURE-----
