Bug in value-prof.c:visit_hist

2007-02-07 Thread Robert Kidd
ate an error if the first histogram is unreachable. The attached patch changes the return value to ensure that all histograms are checked. This patch bootstraps and passes make check on x86_64. Robert Kidd [EMAIL PROTECTED] Index: gcc/value-

[ia64-improvements] Moved Superblock formation to Tree-SSA

2006-02-17 Thread Robert Kidd
tail duplication to form a superblock loop that can be processed by the loop unroller later on. 2006-02-17 Robert Kidd <[EMAIL PROTECTED]> * tracer.c (mark_bb_seen): New function. (bb_seen_p): New function. (count_insns): Use estimate_num_insns instead of counti

GCC superblock and region formation support

2005-04-19 Thread Robert Kidd
As a quick introduction, my name is Robert Kidd, and I'm working with the Gelato Federation to improve the performance of GCC on Itanium. In particular, I'm looking into improving GCC's superblock support, hopefully bringing over some of what we have learned with the IMPACT c