diff options
| author | Alexandre Oliva <aoliva@redhat.com> | 2007-10-02 01:30:46 +0000 |
|---|---|---|
| committer | Alexandre Oliva <aoliva@redhat.com> | 2007-10-02 01:30:46 +0000 |
| commit | 025038955a87ad9acd4df743bb302efd58e6923d (patch) | |
| tree | fec79d275f470628d188004731d441dbb5b5d1df /gcc | |
| parent | 083919693e7b3e759cfbb6aaf40baae9b3267a17 (diff) | |
* tree-ssa-copyrename.c (copy_rename_partition_coalesce):
Permit coalescing of user variables.
git-svn-id: https://gcc.gnu.org/svn/gcc/branches/var-tracking-assignments-branch@128936 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog.vta | 5 | ||||
| -rw-r--r-- | gcc/tree-ssa-copyrename.c | 16 |
2 files changed, 5 insertions, 16 deletions
diff --git a/gcc/ChangeLog.vta b/gcc/ChangeLog.vta index 12ef27f70b8..f13876a3a29 100644 --- a/gcc/ChangeLog.vta +++ b/gcc/ChangeLog.vta @@ -1,5 +1,10 @@ 2007-10-01 Alexandre Oliva <aoliva@redhat.com> + * tree-ssa-copyrename.c (copy_rename_partition_coalesce): + Permit coalescing of user variables. + +2007-10-01 Alexandre Oliva <aoliva@redhat.com> + * tree-ssa-live.c (remove_unused_scope_block_p): Don't change generated code depending on -g. Reverts part of 2007-07-26's patch. diff --git a/gcc/tree-ssa-copyrename.c b/gcc/tree-ssa-copyrename.c index c5526f66816..1bb73bbb8a3 100644 --- a/gcc/tree-ssa-copyrename.c +++ b/gcc/tree-ssa-copyrename.c @@ -190,22 +190,6 @@ copy_rename_partition_coalesce (var_map map, tree var1, tree var2, FILE *debug) ign1 = TREE_CODE (root1) == VAR_DECL && DECL_IGNORED_P (root1); ign2 = TREE_CODE (root2) == VAR_DECL && DECL_IGNORED_P (root2); - /* Never attempt to coalesce 2 user variables unless one is an inline - variable. */ - if (!ign1 && !ign2) - { - if (DECL_FROM_INLINE (root2)) - ign2 = true; - else if (DECL_FROM_INLINE (root1)) - ign1 = true; - else - { - if (debug) - fprintf (debug, " : 2 different USER vars. No coalesce.\n"); - return false; - } - } - /* Don't coalesce if there are two different memory tags. */ if (ann1->symbol_mem_tag && ann2->symbol_mem_tag |