Hi, my patch on loop bound estimation had missing cast that shows up as a bootstrap problem on 32bit hosts. Fixed thus as obvious. I am sorry for the breakage.
Honza Index: ChangeLog =================================================================== --- ChangeLog (revision 193116) +++ ChangeLog (working copy) @@ -1,3 +1,8 @@ +2012-11-02 Jan Hubicka <j...@suse.cz> + + * tree-ssa-loop-niter.c (discover_iteration_bound_by_body_walk): Add + missing sign to unsigned. + 2012-11-02 Andrew Pinski <apin...@cavium.com> PR rtl-opt/54524 Index: tree-ssa-loop-niter.c =================================================================== --- tree-ssa-loop-niter.c (revision 193104) +++ tree-ssa-loop-niter.c (working copy) @@ -3161,7 +3161,7 @@ discover_iteration_bound_by_body_walk (s } gcc_assert (latch_index >= 0); - if (latch_index < VEC_length (double_int, bounds)) + if ((unsigned)latch_index < VEC_length (double_int, bounds)) { if (dump_file && (dump_flags & TDF_DETAILS)) { Index: testsuite/ChangeLog =================================================================== --- testsuite/ChangeLog (revision 193116) +++ testsuite/ChangeLog (working copy) @@ -1,3 +1,7 @@ +2012-11-02 Jan Hubicka <j...@suse.cz> + + * gcc.dg/tree-ssa/loop-38.c: Correct testcase. + 2012-11-02 Michael Meissner <meiss...@linux.vnet.ibm.com> * gcc.target/powerpc/pr48258-2.c: Simplfy the acceptance Index: testsuite/gcc.dg/tree-ssa/loop-38.c =================================================================== --- testsuite/gcc.dg/tree-ssa/loop-38.c (revision 193104) +++ testsuite/gcc.dg/tree-ssa/loop-38.c (working copy) @@ -13,6 +13,6 @@ t(int n) sum+=b[i]; return sum; } -/* { dg-final { scan-tree-dump "Found better loop bound 10" "cunrolli" } } */ -/* { dg-final { scan-tree-dump "Loop 1 iterates at most 10 times" "cunrolli" } } */ +/* { dg-final { scan-tree-dump "Found better loop bound 11" "cunrolli" } } */ +/* { dg-final { scan-tree-dump "Loop 1 iterates at most 11 times" "cunrolli" } } */ /* { dg-final { cleanup-tree-dump "cunrolli" } } */