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| author | Jakub Jelinek <jakub@redhat.com> | 2012-02-29 09:12:04 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2012-02-29 09:12:04 +0100 |
| commit | bf743fc408e59aab4262b49f03b739930fadbb89 (patch) | |
| tree | d401519d7b115ce0c81a59d26d0eb967ca5b2a31 /gcc/df.h | |
| parent | 5cda350e60df32b728d1cf4a346a980d5870193c (diff) | |
| download | gcc-bf743fc408e59aab4262b49f03b739930fadbb89.zip gcc-bf743fc408e59aab4262b49f03b739930fadbb89.tar.gz gcc-bf743fc408e59aab4262b49f03b739930fadbb89.tar.bz2 | |
re PR bootstrap/52397 (comparison failure with Ada enabled)
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.
From-SVN: r184652
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 |