From f8423fea8da09d34b08b9cec9a72a2d8c9ba42e7 Mon Sep 17 00:00:00 2001 From: Steven Bosscher Date: Thu, 1 Nov 2007 21:03:50 +0000 Subject: re PR rtl-optimization/33828 (Issues with code hoisting implementation in gcse.c) PR rtl-optimization/33828 * gcse.c (compute_code_hoist_vbeinout): Fix order of computation of VBEIN and VBEOUT. From-SVN: r129832 --- gcc/ChangeLog | 6 ++++++ gcc/gcse.c | 10 +++++++--- 2 files changed, 13 insertions(+), 3 deletions(-) (limited to 'gcc') diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a39ef317..c790c1f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2007-11-01 Steven Bosscher + + PR rtl-optimization/33828 + * gcse.c (compute_code_hoist_vbeinout): Fix order of computation + of VBEIN and VBEOUT. + 2007-11-01 Eric Botcazou * optabs.c (prepare_cmp_insn): Merge a couple of conditional blocks. diff --git a/gcc/gcse.c b/gcc/gcse.c index a519acb..b0a592d 100644 --- a/gcc/gcse.c +++ b/gcc/gcse.c @@ -4772,10 +4772,14 @@ compute_code_hoist_vbeinout (void) the convergence. */ FOR_EACH_BB_REVERSE (bb) { - changed |= sbitmap_a_or_b_and_c_cg (hoist_vbein[bb->index], antloc[bb->index], - hoist_vbeout[bb->index], transp[bb->index]); if (bb->next_bb != EXIT_BLOCK_PTR) - sbitmap_intersection_of_succs (hoist_vbeout[bb->index], hoist_vbein, bb->index); + sbitmap_intersection_of_succs (hoist_vbeout[bb->index], + hoist_vbein, bb->index); + + changed |= sbitmap_a_or_b_and_c_cg (hoist_vbein[bb->index], + antloc[bb->index], + hoist_vbeout[bb->index], + transp[bb->index]); } passes++; -- cgit v1.1