#include "except.h"
#include "tm_p.h"
-#if 0
-static tree extract_aggr_init PARAMS ((tree, tree));
-static tree extract_scalar_init PARAMS ((tree, tree));
-#endif
static rtx cplus_expand_expr PARAMS ((tree, rtx, enum machine_mode,
enum expand_modifier));
target, tmode, EXPAND_NORMAL);
}
- case THUNK_DECL:
- my_friendly_assert (DECL_RTL (exp) != NULL_RTX, 20000115);
- return DECL_RTL (exp);
-
case THROW_EXPR:
expand_expr (TREE_OPERAND (exp, 0), const0_rtx, VOIDmode, 0);
expand_internal_throw ();
/* We don't need to generate any code for an empty class. */
return const0_rtx;
- case STMT_EXPR:
- {
- tree rtl_expr;
- rtx result;
-
- /* Since expand_expr_stmt calls free_temp_slots after every
- expression statement, we must call push_temp_slots here.
- Otherwise, any temporaries in use now would be considered
- out-of-scope after the first EXPR_STMT from within the
- STMT_EXPR. */
- push_temp_slots ();
- rtl_expr = expand_start_stmt_expr ();
- expand_stmt (STMT_EXPR_STMT (exp));
- expand_end_stmt_expr (rtl_expr);
- result = expand_expr (rtl_expr, target, tmode, modifier);
- pop_temp_slots ();
- return result;
- }
- break;
-
default:
- break;
+ return c_expand_expr (exp, target, tmode, modifier);
}
my_friendly_abort (40);
/* NOTREACHED */
lang_expand_constant = cplus_expand_constant;
}
-/* If DECL had its rtl moved from where callers expect it
- to be, fix it up. RESULT is the nominal rtl for the RESULT_DECL,
- which may be a pseudo instead of a hard register. */
-
-void
-fixup_result_decl (decl, result)
- tree decl;
- rtx result;
-{
- if (REG_P (result))
- {
- if (REGNO (result) >= FIRST_PSEUDO_REGISTER)
- {
- rtx real_decl_result;
-
-#ifdef FUNCTION_OUTGOING_VALUE
- real_decl_result
- = FUNCTION_OUTGOING_VALUE (TREE_TYPE (decl), current_function_decl);
-#else
- real_decl_result
- = FUNCTION_VALUE (TREE_TYPE (decl), current_function_decl);
-#endif
- REG_FUNCTION_VALUE_P (real_decl_result) = 1;
- result = real_decl_result;
- }
- store_expr (decl, result, 0);
- emit_insn (gen_rtx (USE, VOIDmode, result));
- }
-}
-
-#if 0
-/* Expand this initialization inline and see if it's simple enough that
- it can be done at compile-time. */
-
-static tree
-extract_aggr_init (decl, init)
- tree decl, init;
-{
- return 0;
-}
-
-static tree
-extract_scalar_init (decl, init)
- tree decl, init;
-{
- rtx value, insns, insn;
- extern struct obstack temporary_obstack;
- tree t = NULL_TREE;
-
- start_sequence ();
- value = expand_expr (init, NULL_RTX, VOIDmode, 0);
- insns = get_insns ();
- end_sequence ();
- reg_scan (insns, max_reg_num (), 0);
- jump_optimize (insns, 0, 0, 1);
-
- for (insn = insns; insn; insn = NEXT_INSN (insn))
- {
- rtx r, to;
-
- if (GET_CODE (insn) == NOTE)
- continue;
- else if (GET_CODE (insn) != INSN)
- return 0;
-
- r = PATTERN (insn);
- if (GET_CODE (r) != SET)
- return 0;
-
- to = XEXP (r, 0);
-
- if (! (to == value
- || (GET_CODE (to) == SUBREG && XEXP (to, 0) == value)))
- return 0;
-
- r = XEXP (r, 1);
-
- switch (GET_CODE (r))
- {
- case CONST_INT:
- t = build_int_2 (XEXP (r, 0), 0);
- break;
- default:
- return 0;
- }
- }
-
- return t;
-}
-#endif
-
int
extract_init (decl, init)
tree decl ATTRIBUTE_UNUSED, init ATTRIBUTE_UNUSED;
{
return 0;
-
-#if 0
- if (IS_AGGR_TYPE (TREE_TYPE (decl))
- || TREE_CODE (TREE_TYPE (decl)) == ARRAY_TYPE)
- init = extract_aggr_init (decl, init);
- else
- init = extract_scalar_init (decl, init);
-
- if (init == NULL_TREE)
- return 0;
-
- DECL_INITIAL (decl) = init;
- return 1;
-#endif
}
-void
-do_case (start, end)
- tree start, end;
-{
- tree value1 = NULL_TREE, value2 = NULL_TREE, label;
-
- if (start != NULL_TREE && TREE_TYPE (start) != NULL_TREE
- && POINTER_TYPE_P (TREE_TYPE (start)))
- error ("pointers are not permitted as case values");
-
- if (end && pedantic)
- pedwarn ("ISO C++ forbids range expressions in switch statement");
-
- if (start)
- value1 = check_cp_case_value (start);
- if (end)
- value2 = check_cp_case_value (end);
-
- label = build_decl (LABEL_DECL, NULL_TREE, NULL_TREE);
-
- if (value1 != error_mark_node
- && value2 != error_mark_node)
- {
- tree duplicate;
- int success;
-
- if (end)
- success = pushcase_range (value1, value2, convert_and_check,
- label, &duplicate);
- else if (start)
- success = pushcase (value1, convert_and_check, label, &duplicate);
- else
- success = pushcase (NULL_TREE, 0, label, &duplicate);
-
- if (success == 1)
- {
- if (end)
- error ("case label not within a switch statement");
- else if (start)
- cp_error ("case label `%E' not within a switch statement", start);
- else
- error ("default label not within a switch statement");
- }
- else if (success == 2)
- {
- if (end)
- {
- error ("duplicate (or overlapping) case value");
- cp_error_at ("this is the first entry overlapping that value",
- duplicate);
- }
- else if (start)
- {
- cp_error ("duplicate case value `%E'", start);
- cp_error_at ("previously used here", duplicate);
- }
- else
- {
- error ("multiple default labels in one switch");
- cp_error_at ("this is the first default label", duplicate);
- }
- }
- else if (success == 3)
- warning ("case value out of range");
- else if (success == 4)
- warning ("empty range specified");
- else if (success == 5)
- {
- if (end)
- error ("case label within scope of cleanup or variable array");
- else if (! start)
- error ("`default' label within scope of cleanup or variable array");
- else
- cp_error ("case label `%E' within scope of cleanup or variable array", start);
- }
- }
-
- current_function_return_value = NULL_TREE;
-}
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