Message ID | 4D8B43CD.3010101@codesourcery.com |
---|---|
State | New |
Headers | show |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 03/24/11 07:14, Bernd Schmidt wrote: > We have a mechanism to prevent the scheduler from touching certain > blocks; this is used by modulo scheduling. sched-ebb does not honor this > flag currently; this patch fixes it. Bootstrapped and tested on > i686-linux (pointlessly... but it's also used in our local tree for a > new target, TI C6X). OK. Jeff -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/ iQEcBAEBAgAGBQJNjN+NAAoJEBRtltQi2kC7msMIAIARUmWJGlRbdnhTVtHw9svk mNVQw5Se1BCzjDjERcuH8nZ2J0RcejNQWSCfYOBjGW3u5bzqYNPsjFkMj4TXCH3N az7EAlj6uw6IcqnOL2HsoH89zMDNp5bUanKmlUDznTyaDAutYL+LAp3if5EbBFn8 C6LQHJDlnmYYmZohW3aYyJ+mGKhA3gODFJsWt7uWKuPEjedHY8Jztuc72gSavHo2 qxPze59QyHkC9VaTPdt7wYgsA2UtNmbNIfZIVluutXBKQGXC5xEHszbS16OvcK/v RS9dQVpNZlfQVz+V6iLywET0/OM9leOHQRTAGwx4g9ffLuBOiAXrjW2Dbj6gclg= =NmoH -----END PGP SIGNATURE-----
Index: gcc/sched-ebb.c =================================================================== --- gcc/sched-ebb.c.orig +++ gcc/sched-ebb.c @@ -585,6 +585,9 @@ schedule_ebbs (void) { rtx head = BB_HEAD (bb); + if (bb->flags & BB_DISABLE_SCHEDULE) + continue; + for (;;) { edge e; @@ -597,6 +600,8 @@ schedule_ebbs (void) break; if (e->probability <= probability_cutoff) break; + if (e->dest->flags & BB_DISABLE_SCHEDULE) + break; bb = bb->next_bb; }