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| author | Richard Kenner <kenner@vlsi1.ultra.nyu.edu> | 2000-02-08 22:11:21 +0000 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 2000-02-08 17:11:21 -0500 |
| commit | f5a500108ae0df4eedbe6212e16ae237aec51e93 (patch) | |
| tree | c73e3fb072117bf4cb2191f33fb83996a2906ec1 | |
| parent | bad196d78e98ea145d8a3283eef081d56117a585 (diff) | |
| download | gcc-f5a500108ae0df4eedbe6212e16ae237aec51e93.zip gcc-f5a500108ae0df4eedbe6212e16ae237aec51e93.tar.gz gcc-f5a500108ae0df4eedbe6212e16ae237aec51e93.tar.bz2 | |
* stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
From-SVN: r31856
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/stmt.c | 8 |
2 files changed, 5 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b0c2ec9..bbbdf4c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY. + 2000-02-08 Zack Weinberg <zack@wolery.cumb.org> * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a. @@ -3868,15 +3868,9 @@ expand_decl (decl) if (TREE_THIS_VOLATILE (decl)) MEM_VOLATILE_P (DECL_RTL (decl)) = 1; -#if 0 /* A variable is not necessarily unchanging - just because it is const. RTX_UNCHANGING_P - means no change in the function, - not merely no change in the variable's scope. - It is correct to set RTX_UNCHANGING_P if the variable's scope - is the whole function. There's no convenient way to test that. */ + if (TREE_READONLY (decl)) RTX_UNCHANGING_P (DECL_RTL (decl)) = 1; -#endif } /* Emit code to perform the initialization of a declaration DECL. */ |