http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46865
Richard Guenther <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2010.12.09 14:46:05 Ever Confirmed|0 |1 --- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-12-09 14:46:05 UTC --- Cross jumping doesn't see instructions with different location as equivalent it seems. Comparing the 195r.csa dumps: --- test(3).c.195r.csa 2010-12-09 15:41:13.000000000 +0100 +++ tmp/test(3).c.195r.csa 2010-12-09 15:39:56.000000000 +0100 @@ -11,19 +11,50 @@ changing bb of uid 28 from 5 to 4 Merged 4 and 5 without moving. +Cross jumping from bb 3 to bb 4; 1 common insns +changing bb of uid 29 + unscanned insn +changing bb of uid 10 + from 3 to 6 +changing bb of uid 26 + from 3 to 6 +scanning new insn with uid = 30. +deleting insn with uid = 29. +deleting insn with uid = 10. +deleting insn with uid = 26. +deleting insn with uid = 22. +deleting block 6 Thus, confirmed.