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authorMark Mitchell <mark@codesourcery.com>2002-04-17 01:47:36 +0000
committerMark Mitchell <mmitchel@gcc.gnu.org>2002-04-17 01:47:36 +0000
commitb2123dc0d8b3c18313c9aae7bddf57af0b4a6bf7 (patch)
tree945ba924fcaf4c9312b124d4f9724e8c510bc166 /gcc/c-common.c
parentf0871dfe8ff3366c0404f151a722fc5de3f614c7 (diff)
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c-common.h (STMT_EXPR_NO_SCOPE): New macro.
* c-common.h (STMT_EXPR_NO_SCOPE): New macro. * c-common.c (c_expand_expr): Respect STMT_EXPR_NO_SCOPE. * tree.h (expand_start_stmt_expr): Update prototype. * stmt.c (expand_start_stmt_expr): Add has_scope parameter. * tree-inline.c (expand_call_inline): Set STMT_EXPR_NO_SCOPE on the STMT_EXPR created for the inline function. * trans.c (tree_transform): Add has_scope argument to expand_start_stmt_expr. * com.c (ffecom_expr_power_integer): Add has_scope argument to call to expand_start_stmt_expr. * init.c (begin_init_stmts): Remove commented out code. (finish_init_stmts): Set STMT_EXPR_NO_SCOPE. * semantics.c (begin_gobal_stmt_expr): Adjust call to expand_start_stmt_expr. From-SVN: r52395
Diffstat (limited to 'gcc/c-common.c')
-rw-r--r--gcc/c-common.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c
index 79dab3f..1e7a065 100644
--- a/gcc/c-common.c
+++ b/gcc/c-common.c
@@ -3666,7 +3666,7 @@ c_expand_expr (exp, target, tmode, modifier)
out-of-scope after the first EXPR_STMT from within the
STMT_EXPR. */
push_temp_slots ();
- rtl_expr = expand_start_stmt_expr ();
+ rtl_expr = expand_start_stmt_expr (!STMT_EXPR_NO_SCOPE (exp));
/* If we want the result of this expression, find the last
EXPR_STMT in the COMPOUND_STMT and mark it as addressable. */
@@ -3703,6 +3703,12 @@ c_expand_expr (exp, target, tmode, modifier)
preserve_temp_slots (result);
}
+ /* If the statment-expression does not have a scope, then the
+ new temporaries we created within it must live beyond the
+ statement-expression. */
+ if (STMT_EXPR_NO_SCOPE (exp))
+ preserve_temp_slots (NULL_RTX);
+
pop_temp_slots ();
return result;
}