From 78458962965e06a91c20511ab02f88195d3b6a91 Mon Sep 17 00:00:00 2001 From: Michael Hayes Date: Wed, 19 Jan 2000 20:10:00 +0000 Subject: loop.c (loop_optimize): Allocate loop_info structure for each loop prior to calling scan_loop. * loop.c (loop_optimize): Allocate loop_info structure for each loop prior to calling scan_loop. From-SVN: r31508 --- gcc/loop.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'gcc/loop.c') diff --git a/gcc/loop.c b/gcc/loop.c index d69094f..b52b33a 100644 --- a/gcc/loop.c +++ b/gcc/loop.c @@ -510,15 +510,21 @@ loop_optimize (f, dumpfile, unroll_p, bct_p) this prevents low overhead loop instructions from being used. */ indirect_jump_in_function = indirect_jump_in_function_p (f); - /* Now scan the loops, last ones first, since this means inner ones are done - before outer ones. */ + /* Allocate and initialize auxiliary loop information. */ for (i = max_loop_num - 1; i >= 0; i--) { struct loop *loop = &loops->array[i]; loop->info = (struct loop_info *) alloca (sizeof (struct loop_info)); memset (loop->info, 0, sizeof (struct loop_info)); - + } + + /* Now scan the loops, last ones first, since this means inner ones are done + before outer ones. */ + for (i = max_loop_num - 1; i >= 0; i--) + { + struct loop *loop = &loops->array[i]; + if (! loop->invalid && loop->end) scan_loop (loop, unroll_p, bct_p); } -- cgit v1.1