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Diffstat (limited to 'gcc/config/stormy16/stormy16.c')
-rw-r--r--gcc/config/stormy16/stormy16.c79
1 files changed, 45 insertions, 34 deletions
diff --git a/gcc/config/stormy16/stormy16.c b/gcc/config/stormy16/stormy16.c
index 343153d4a14..1c076b2c649 100644
--- a/gcc/config/stormy16/stormy16.c
+++ b/gcc/config/stormy16/stormy16.c
@@ -1,6 +1,6 @@
/* Xstormy16 target functions.
Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
- 2006, 2007, 2008 Free Software Foundation, Inc.
+ 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
Contributed by Red Hat, Inc.
This file is part of GCC.
@@ -61,11 +61,6 @@ static bool xstormy16_rtx_costs (rtx, int, int, int *, bool);
static int xstormy16_address_cost (rtx, bool);
static bool xstormy16_return_in_memory (const_tree, const_tree);
-/* Define the information needed to generate branch and scc insns. This is
- stored from the compare operation. */
-struct rtx_def * xstormy16_compare_op0;
-struct rtx_def * xstormy16_compare_op1;
-
static GTY(()) section *bss100_section;
/* Compute a (partial) cost for rtx X. Return true if the complete
@@ -139,10 +134,8 @@ xstormy16_address_cost (rtx x, bool speed ATTRIBUTE_UNUSED)
/* Emit a branch of kind CODE to location LOC. */
void
-xstormy16_emit_cbranch (enum rtx_code code, rtx loc)
+xstormy16_emit_cbranch (enum rtx_code code, rtx op0, rtx op1, rtx loc)
{
- rtx op0 = xstormy16_compare_op0;
- rtx op1 = xstormy16_compare_op1;
rtx condition_rtx, loc_ref, branch, cy_clobber;
rtvec vec;
enum machine_mode mode;
@@ -159,10 +152,10 @@ xstormy16_emit_cbranch (enum rtx_code code, rtx loc)
if (gt_p)
lab = gen_label_rtx ();
- xstormy16_emit_cbranch (unsigned_p ? LTU : LT, gt_p ? lab : loc);
+ xstormy16_emit_cbranch (unsigned_p ? LTU : LT, op0, op1, gt_p ? lab : loc);
/* This should be generated as a comparison against the temporary
created by the previous insn, but reload can't handle that. */
- xstormy16_emit_cbranch (gt_p ? NE : EQ, loc);
+ xstormy16_emit_cbranch (gt_p ? NE : EQ, op0, op1, loc);
if (gt_p)
emit_label (lab);
return;
@@ -171,6 +164,7 @@ xstormy16_emit_cbranch (enum rtx_code code, rtx loc)
&& (code == NE || code == EQ)
&& op1 != const0_rtx)
{
+ rtx op0_word, op1_word;
rtx lab = NULL_RTX;
int num_words = GET_MODE_BITSIZE (mode) / BITS_PER_WORD;
int i;
@@ -180,17 +174,17 @@ xstormy16_emit_cbranch (enum rtx_code code, rtx loc)
for (i = 0; i < num_words - 1; i++)
{
- xstormy16_compare_op0 = simplify_gen_subreg (word_mode, op0, mode,
- i * UNITS_PER_WORD);
- xstormy16_compare_op1 = simplify_gen_subreg (word_mode, op1, mode,
- i * UNITS_PER_WORD);
- xstormy16_emit_cbranch (NE, code == EQ ? lab : loc);
+ op0_word = simplify_gen_subreg (word_mode, op0, mode,
+ i * UNITS_PER_WORD);
+ op1_word = simplify_gen_subreg (word_mode, op1, mode,
+ i * UNITS_PER_WORD);
+ xstormy16_emit_cbranch (NE, op0_word, op1_word, code == EQ ? lab : loc);
}
- xstormy16_compare_op0 = simplify_gen_subreg (word_mode, op0, mode,
- i * UNITS_PER_WORD);
- xstormy16_compare_op1 = simplify_gen_subreg (word_mode, op1, mode,
- i * UNITS_PER_WORD);
- xstormy16_emit_cbranch (code, loc);
+ op0_word = simplify_gen_subreg (word_mode, op0, mode,
+ i * UNITS_PER_WORD);
+ op1_word = simplify_gen_subreg (word_mode, op1, mode,
+ i * UNITS_PER_WORD);
+ xstormy16_emit_cbranch (code, op0_word, op1_word, loc);
if (code == EQ)
emit_label (lab);
@@ -619,9 +613,9 @@ xstormy16_expand_andqi3 (rtx *operands)
&& INTVAL (X) + (OFFSET) < 0x8000 \
&& (INTVAL (X) + (OFFSET) < 0x100 || INTVAL (X) + (OFFSET) >= 0x7F00))
-int
+static bool
xstormy16_legitimate_address_p (enum machine_mode mode ATTRIBUTE_UNUSED,
- rtx x, int strict)
+ rtx x, bool strict)
{
if (LEGITIMATE_ADDRESS_CONST_INT_P (x, 0))
return 1;
@@ -1022,6 +1016,16 @@ xstormy16_compute_stack_layout (void)
return layout;
}
+/* Worker function for TARGET_CAN_ELIMINATE. */
+
+static bool
+xstormy16_can_eliminate (const int from, const int to)
+{
+ return (from == ARG_POINTER_REGNUM && to == STACK_POINTER_REGNUM
+ ? ! frame_pointer_needed
+ : true);
+}
+
/* Determine how all the special registers get eliminated. */
int
@@ -1297,11 +1301,14 @@ xstormy16_build_builtin_va_list (void)
tree f_1, f_2, record, type_decl;
record = (*lang_hooks.types.make_type) (RECORD_TYPE);
- type_decl = build_decl (TYPE_DECL, get_identifier ("__va_list_tag"), record);
+ type_decl = build_decl (BUILTINS_LOCATION,
+ TYPE_DECL, get_identifier ("__va_list_tag"), record);
- f_1 = build_decl (FIELD_DECL, get_identifier ("base"),
+ f_1 = build_decl (BUILTINS_LOCATION,
+ FIELD_DECL, get_identifier ("base"),
ptr_type_node);
- f_2 = build_decl (FIELD_DECL, get_identifier ("count"),
+ f_2 = build_decl (BUILTINS_LOCATION,
+ FIELD_DECL, get_identifier ("count"),
unsigned_type_node);
DECL_FIELD_CONTEXT (f_1) = record;
@@ -1383,8 +1390,8 @@ xstormy16_gimplify_va_arg_expr (tree valist, tree type, gimple_seq *pre_p,
size_of_reg_args = NUM_ARGUMENT_REGISTERS * UNITS_PER_WORD;
count_tmp = get_initialized_tmp_var (count, pre_p, NULL);
- lab_gotaddr = create_artificial_label ();
- lab_fromstack = create_artificial_label ();
+ lab_gotaddr = create_artificial_label (UNKNOWN_LOCATION);
+ lab_fromstack = create_artificial_label (UNKNOWN_LOCATION);
addr = create_tmp_var (ptr_type_node, NULL);
if (!must_stack)
@@ -2218,8 +2225,8 @@ xstormy16_handle_interrupt_attribute (tree *node, tree name,
{
if (TREE_CODE (*node) != FUNCTION_TYPE)
{
- warning (OPT_Wattributes, "%qs attribute only applies to functions",
- IDENTIFIER_POINTER (name));
+ warning (OPT_Wattributes, "%qE attribute only applies to functions",
+ name);
*no_add_attrs = true;
}
@@ -2643,10 +2650,8 @@ xstormy16_return_in_memory (const_tree type, const_tree fntype ATTRIBUTE_UNUSED)
#undef TARGET_GIMPLIFY_VA_ARG_EXPR
#define TARGET_GIMPLIFY_VA_ARG_EXPR xstormy16_gimplify_va_arg_expr
-#undef TARGET_PROMOTE_FUNCTION_ARGS
-#define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_const_tree_true
-#undef TARGET_PROMOTE_FUNCTION_RETURN
-#define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_const_tree_true
+#undef TARGET_PROMOTE_FUNCTION_MODE
+#define TARGET_PROMOTE_FUNCTION_MODE default_promote_function_mode_always_promote
#undef TARGET_PROMOTE_PROTOTYPES
#define TARGET_PROMOTE_PROTOTYPES hook_bool_const_tree_true
@@ -2656,6 +2661,12 @@ xstormy16_return_in_memory (const_tree type, const_tree fntype ATTRIBUTE_UNUSED)
#undef TARGET_MACHINE_DEPENDENT_REORG
#define TARGET_MACHINE_DEPENDENT_REORG xstormy16_reorg
+#undef TARGET_LEGITIMATE_ADDRESS_P
+#define TARGET_LEGITIMATE_ADDRESS_P xstormy16_legitimate_address_p
+
+#undef TARGET_CAN_ELIMINATE
+#define TARGET_CAN_ELIMINATE xstormy16_can_eliminate
+
struct gcc_target targetm = TARGET_INITIALIZER;
#include "gt-stormy16.h"
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-19 13:18:59 +0000