diff options
| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-02-29 08:12:04 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-02-29 08:12:04 +0000 |
| commit | 5df3e7ea64a520c527943ab4eb72f6ed04500576 (patch) | |
| tree | d401519d7b115ce0c81a59d26d0eb967ca5b2a31 /gcc/df.h | |
| parent | f1f4c9471fd955a735021daf54f4b33376f87975 (diff) | |
| download | gcc-5df3e7ea64a520c527943ab4eb72f6ed04500576.tar.gz | |
PR bootstrap/52397
* df.h (struct df_d): Adjust comment that hard_regs_live_count
doesn't count DEBUG_INSN refs.
* df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
for DEBUG_INSN refs.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@184652 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/df.h')
| -rw-r--r-- | gcc/df.h | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -1,7 +1,7 @@ /* Form lists of pseudo register references for autoinc optimization for GNU compiler. This is part of flow optimization. Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2008, - 2009, 2010 Free Software Foundation, Inc. + 2009, 2010, 2011, 2012 Free Software Foundation, Inc. Originally contributed by Michael P. Hayes (m.hayes@elec.canterbury.ac.nz, mhayes@redhat.com) Major rewrite contributed by Danny Berlin (dberlin@dberlin.org) @@ -574,7 +574,7 @@ struct df_d uses and defs as well as refs in eq notes are ignored. If the ref is a def, it cannot be a MAY_CLOBBER def. If the ref is a use, it cannot be the emim_reg_set or be the frame or arg pointer - register. + register. Uses in debug insns are ignored. IT IS NOT ACCEPTABLE TO MANUALLY CHANGE THIS ARRAY. This array always reflects the actual number of refs in the insn stream that |