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Commit f5a50010 by Richard Kenner Committed by Richard Kenner
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* stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY. 

From-SVN: r31856
parent bad196d7
Showing with 5 additions and 7 deletions
gcc/ChangeLog
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.
......
gcc/stmt.c
......@@ -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. */
......
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