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(expand_decl_init): If CONST_DECL, don't generate any code, but call 

expand_expr if DECL_INITIAL is a constant.

From-SVN: r5962
This commit is contained in:
Richard Kenner 1993-11-01 07:38:45 -05:00
parent c0b262c166
commit 3564e40e2c
1 changed files with 14 additions and 0 deletions
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14
gcc/stmt.c
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@ -3604,6 +3604,20 @@ expand_decl_init (decl)
{
int was_used = TREE_USED (decl);
/* If this is a CONST_DECL, we don't have to generate any code, but
if DECL_INITIAL is a constant, call expand_expr to force TREE_CST_RTL
to be set while in the obstack containing the constant. If we don't
do this, we can lose if we have functions nested three deep and the middle
function makes a CONST_DECL whose DECL_INITIAL is a STRING_CST while
the innermost function is the first to expand that STRING_CST. */
if (TREE_CODE (decl) == CONST_DECL)
{
if (DECL_INITIAL (decl) && TREE_CONSTANT (DECL_INITIAL (decl)))
expand_expr (DECL_INITIAL (decl), NULL_RTX, VOIDmode,
EXPAND_INITIALIZER);
return;
}
if (TREE_STATIC (decl))
return;