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| author | marxin <marxin@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-02-25 17:38:09 +0000 |
|---|---|---|
| committer | marxin <marxin@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-02-25 17:38:09 +0000 |
| commit | 819a768f213f2c2a75414c87b00ba97fcbde4c5f (patch) | |
| tree | 2b9ecedd0a575f6e3a193a938f25ac77901653ab /gcc/ipa-icf-gimple.c | |
| parent | d46e8044733511e6b9aee2f4dcd8e7e735cf459a (diff) | |
| download | gcc-819a768f213f2c2a75414c87b00ba97fcbde4c5f.tar.gz | |
ICF: Validate correctly hard register variables.
* ipa-icf-gimple.c (func_checker::compare_variable_decl): Compare
hard register variables.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@220985 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ipa-icf-gimple.c')
| -rw-r--r-- | gcc/ipa-icf-gimple.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/ipa-icf-gimple.c b/gcc/ipa-icf-gimple.c index 5b176d019d7..53d2c38bc9f 100644 --- a/gcc/ipa-icf-gimple.c +++ b/gcc/ipa-icf-gimple.c @@ -575,6 +575,13 @@ func_checker::compare_variable_decl (tree t1, tree t2) if (t1 == t2) return true; + if (DECL_HARD_REGISTER (t1) != DECL_HARD_REGISTER (t2)) + return return_false_with_msg ("DECL_HARD_REGISTER are different"); + + if (DECL_HARD_REGISTER (t1) + && DECL_ASSEMBLER_NAME (t1) != DECL_ASSEMBLER_NAME (t2)) + return return_false_with_msg ("HARD REGISTERS are different"); + if (TREE_CODE (t1) == VAR_DECL && (DECL_EXTERNAL (t1) || TREE_STATIC (t1))) { symtab_node *n1 = symtab_node::get (t1); |