http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44194
--- Comment #19 from eraman at gcc dot gnu.org 2011-06-14 22:58:24 UTC --- Author: eraman Date: Tue Jun 14 22:58:20 2011 New Revision: 175063 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175063 Log: 2011-06-14 Easwaran Raman <era...@google.com> PR rtl-optimization/44194 * dse.c: Include tree-flow.h (insn_info): Add new field non_frame_wild_read. (group_info): Add new fields escaped_n and escaped_p. (kill_on_calls): New variable. (get_group_info): Initialize gi->escaped_n and gi->escaped_p. (dse_step0): Initialize kill_on_calls. (can_escape): New function. (set_usage_bits): Add additional parameter; record information about escaped locations. (record_store): Pass EXPR corresponding to MEM to set_usage_bits. (dse_step2_nospill): Set kill_on_calls based on group->escaped_n and group->escaped_n. (add_wild_read): Refactor into... (reset_active_stores): ... New method, and (free_read_records): ... New method. (add_non_frame_wild_read): New method. (scan_insn): Call add_non_frame_wild_read on non-const calls. (scan_reads_nospill): Handle instructions with non_frame_wild_read. (dse_step5_nospill): Call scan_reads_nospill for instructions marked as non_frame_wild_read. (dse_step7): Free escaped_n, escaped_p and kill_on_calls bitmaps. testsuite/ChangeLog 2011-06-14 Easwaran Raman <era...@google.com> PR rtl-optimization/44194 * gcc.dg/pr44194-1.c: New test. * gcc.dg/pr44194-2.c: New test. Added: trunk/gcc/testsuite/gcc.dg/pr44194-1.c trunk/gcc/testsuite/gcc.dg/pr44194-2.c Modified: trunk/gcc/ChangeLog trunk/gcc/dse.c trunk/gcc/testsuite/ChangeLog
