diff options
Diffstat (limited to 'gcc/expr.c')
| -rw-r--r-- | gcc/expr.c | 36 |
1 files changed, 16 insertions, 20 deletions
@@ -3745,27 +3745,23 @@ expand_assignment (tree to, tree from) with no sequence point. Will other languages need this to be more thorough? - If WANT_VALUE & 2 is set, this is a store into a call param on the + If CALL_PARAM_P is nonzero, this is a store into a call param on the stack, and block moves may need to be treated specially. */ rtx -store_expr (tree exp, rtx target, int want_value) +store_expr (tree exp, rtx target, int call_param_p) { rtx temp; rtx alt_rtl = NULL_RTX; int dont_return_target = 0; int dont_store_target = 0; - /* The bit 0 of WANT_VALUE used to be used to request a value of the - expression. This feature has been removed. */ - gcc_assert ((want_value & 1) == 0); - if (VOID_TYPE_P (TREE_TYPE (exp))) { /* C++ can generate ?: expressions with a throw expression in one branch and an rvalue in the other. Here, we resolve attempts to store the throw expression's nonexistent result. */ - gcc_assert (!want_value); + gcc_assert (!call_param_p); expand_expr (exp, const0_rtx, VOIDmode, 0); return NULL_RTX; } @@ -3774,8 +3770,8 @@ store_expr (tree exp, rtx target, int want_value) /* Perform first part of compound expression, then assign from second part. */ expand_expr (TREE_OPERAND (exp, 0), const0_rtx, VOIDmode, - want_value & 2 ? EXPAND_STACK_PARM : EXPAND_NORMAL); - return store_expr (TREE_OPERAND (exp, 1), target, want_value); + call_param_p ? EXPAND_STACK_PARM : EXPAND_NORMAL); + return store_expr (TREE_OPERAND (exp, 1), target, call_param_p); } else if (TREE_CODE (exp) == COND_EXPR && GET_MODE (target) == BLKmode) { @@ -3789,11 +3785,11 @@ store_expr (tree exp, rtx target, int want_value) do_pending_stack_adjust (); NO_DEFER_POP; jumpifnot (TREE_OPERAND (exp, 0), lab1); - store_expr (TREE_OPERAND (exp, 1), target, want_value & 2); + store_expr (TREE_OPERAND (exp, 1), target, call_param_p); emit_jump_insn (gen_jump (lab2)); emit_barrier (); emit_label (lab1); - store_expr (TREE_OPERAND (exp, 2), target, want_value & 2); + store_expr (TREE_OPERAND (exp, 2), target, call_param_p); emit_label (lab2); OK_DEFER_POP; @@ -3834,7 +3830,7 @@ store_expr (tree exp, rtx target, int want_value) } temp = expand_expr (exp, inner_target, VOIDmode, - want_value & 2 ? EXPAND_STACK_PARM : EXPAND_NORMAL); + call_param_p ? EXPAND_STACK_PARM : EXPAND_NORMAL); /* If TEMP is a VOIDmode constant, use convert_modes to make sure that we properly convert it. */ @@ -3855,7 +3851,7 @@ store_expr (tree exp, rtx target, int want_value) else { temp = expand_expr_real (exp, target, GET_MODE (target), - (want_value & 2 + (call_param_p ? EXPAND_STACK_PARM : EXPAND_NORMAL), &alt_rtl); /* Return TARGET if it's a specified hardware register. @@ -3943,7 +3939,7 @@ store_expr (tree exp, rtx target, int want_value) if (GET_CODE (size) == CONST_INT && INTVAL (size) < TREE_STRING_LENGTH (exp)) emit_block_move (target, temp, size, - (want_value & 2 + (call_param_p ? BLOCK_OP_CALL_PARM : BLOCK_OP_NORMAL)); else { @@ -3954,7 +3950,7 @@ store_expr (tree exp, rtx target, int want_value) size_int (TREE_STRING_LENGTH (exp))); rtx copy_size_rtx = expand_expr (copy_size, NULL_RTX, VOIDmode, - (want_value & 2 + (call_param_p ? EXPAND_STACK_PARM : EXPAND_NORMAL)); rtx label = 0; @@ -3962,7 +3958,7 @@ store_expr (tree exp, rtx target, int want_value) copy_size_rtx = convert_to_mode (ptr_mode, copy_size_rtx, TYPE_UNSIGNED (sizetype)); emit_block_move (target, temp, copy_size_rtx, - (want_value & 2 + (call_param_p ? BLOCK_OP_CALL_PARM : BLOCK_OP_NORMAL)); /* Figure out how much is left in TARGET that we have to clear. @@ -4006,7 +4002,7 @@ store_expr (tree exp, rtx target, int want_value) int_size_in_bytes (TREE_TYPE (exp))); else if (GET_MODE (temp) == BLKmode) emit_block_move (target, temp, expr_size (exp), - (want_value & 2 + (call_param_p ? BLOCK_OP_CALL_PARM : BLOCK_OP_NORMAL)); else { @@ -7131,7 +7127,7 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode, /* Store data into beginning of memory target. */ store_expr (TREE_OPERAND (exp, 0), adjust_address (target, TYPE_MODE (valtype), 0), - modifier == EXPAND_STACK_PARM ? 2 : 0); + modifier == EXPAND_STACK_PARM); else { @@ -7902,13 +7898,13 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode, op1 = gen_label_rtx (); jumpifnot (TREE_OPERAND (exp, 0), op0); store_expr (TREE_OPERAND (exp, 1), temp, - modifier == EXPAND_STACK_PARM ? 2 : 0); + modifier == EXPAND_STACK_PARM); emit_jump_insn (gen_jump (op1)); emit_barrier (); emit_label (op0); store_expr (TREE_OPERAND (exp, 2), temp, - modifier == EXPAND_STACK_PARM ? 2 : 0); + modifier == EXPAND_STACK_PARM); emit_label (op1); OK_DEFER_POP; |