/**
* @file
* @brief code selection (transform FIRM into SPARC FIRM)
+ * @author Hannes Rapp, Matthias Braun
* @version $Id$
*/
#include "config.h"
+#include <stdint.h>
+#include <stdbool.h>
+
#include "irnode_t.h"
#include "irgraph_t.h"
#include "irmode_t.h"
#include "iredges.h"
#include "ircons.h"
#include "irprintf.h"
+#include "iroptimize.h"
#include "dbginfo.h"
#include "iropt_t.h"
#include "debug.h"
#include "error.h"
+#include "util.h"
#include "../benode.h"
#include "../beirg.h"
DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
-static sparc_code_gen_t *env_cg;
-static beabi_helper_env_t *abihelper;
-static const arch_register_t *sp_reg = &sparc_gp_regs[REG_SP];
-static const arch_register_t *fp_reg = &sparc_gp_regs[REG_FRAME_POINTER];
-static calling_convention_t *cconv = NULL;
+static const arch_register_t *sp_reg = &sparc_registers[REG_SP];
+static const arch_register_t *fp_reg = &sparc_registers[REG_FRAME_POINTER];
+static calling_convention_t *current_cconv = NULL;
+static be_stackorder_t *stackorder;
static ir_mode *mode_gp;
+static ir_mode *mode_flags;
static ir_mode *mode_fp;
+static ir_mode *mode_fp2;
+//static ir_mode *mode_fp4;
static pmap *node_to_stack;
-
-static ir_node *gen_SymConst(ir_node *node);
-
-
-static inline int mode_needs_gp_reg(ir_mode *mode)
-{
- return mode_is_int(mode) || mode_is_reference(mode);
+static size_t start_mem_offset;
+static ir_node *start_mem;
+static size_t start_g0_offset;
+static ir_node *start_g0;
+static size_t start_g7_offset;
+static ir_node *start_g7;
+static size_t start_sp_offset;
+static ir_node *start_sp;
+static size_t start_fp_offset;
+static ir_node *start_fp;
+static ir_node *frame_base;
+static size_t start_params_offset;
+static size_t start_callee_saves_offset;
+
+static const arch_register_t *const omit_fp_callee_saves[] = {
+ &sparc_registers[REG_L0],
+ &sparc_registers[REG_L1],
+ &sparc_registers[REG_L2],
+ &sparc_registers[REG_L3],
+ &sparc_registers[REG_L4],
+ &sparc_registers[REG_L5],
+ &sparc_registers[REG_L6],
+ &sparc_registers[REG_L7],
+ &sparc_registers[REG_I0],
+ &sparc_registers[REG_I1],
+ &sparc_registers[REG_I2],
+ &sparc_registers[REG_I3],
+ &sparc_registers[REG_I4],
+ &sparc_registers[REG_I5],
+};
+
+static inline bool mode_needs_gp_reg(ir_mode *mode)
+{
+ if (mode_is_int(mode) || mode_is_reference(mode)) {
+ /* we should only see 32bit code */
+ assert(get_mode_size_bits(mode) <= 32);
+ return true;
+ }
+ return false;
}
/**
int src_bits)
{
if (src_bits == 8) {
- return new_bd_sparc_And_imm(dbgi, block, op, 0xFF);
+ return new_bd_sparc_And_imm(dbgi, block, op, NULL, 0xFF);
} else if (src_bits == 16) {
- ir_node *lshift = new_bd_sparc_Sll_imm(dbgi, block, op, 16);
- ir_node *rshift = new_bd_sparc_Slr_imm(dbgi, block, lshift, 16);
+ ir_node *lshift = new_bd_sparc_Sll_imm(dbgi, block, op, NULL, 16);
+ ir_node *rshift = new_bd_sparc_Srl_imm(dbgi, block, lshift, NULL, 16);
return rshift;
} else {
panic("zero extension only supported for 8 and 16 bits");
int src_bits)
{
int shift_width = 32 - src_bits;
- ir_node *lshift_node = new_bd_sparc_Sll_imm(dbgi, block, op, shift_width);
- ir_node *rshift_node = new_bd_sparc_Sra_imm(dbgi, block, lshift_node, shift_width);
+ ir_node *lshift_node = new_bd_sparc_Sll_imm(dbgi, block, op, NULL, shift_width);
+ ir_node *rshift_node = new_bd_sparc_Sra_imm(dbgi, block, lshift_node, NULL, shift_width);
return rshift_node;
}
}
}
-/**
- * Creates a possible DAG for a constant.
- */
-static ir_node *create_const_graph_value(dbg_info *dbgi, ir_node *block,
- long value)
-{
- ir_node *result;
-
- /* we need to load hi & lo separately */
- if (value < -4096 || value > 4095) {
- ir_node *hi = new_bd_sparc_HiImm(dbgi, block, (int) value);
- result = new_bd_sparc_LoImm(dbgi, block, hi, value);
- be_dep_on_frame(hi);
- } else {
- result = new_bd_sparc_Mov_imm(dbgi, block, (int) value);
- be_dep_on_frame(result);
- }
+typedef enum {
+ MATCH_NONE = 0,
+ MATCH_COMMUTATIVE = 1U << 0, /**< commutative operation. */
+ MATCH_MODE_NEUTRAL = 1U << 1, /**< the higher bits of the inputs don't
+ influence the significant lower bit at
+ all (for cases where mode < 32bit) */
+} match_flags_t;
+ENUM_BITSET(match_flags_t)
- return result;
-}
+typedef ir_node* (*new_binop_reg_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, ir_node *op2);
+typedef ir_node* (*new_binop_fp_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode);
+typedef ir_node* (*new_binop_imm_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, ir_entity *entity, int32_t immediate);
+typedef ir_node* (*new_unop_fp_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, ir_mode *mode);
/**
- * Create a DAG constructing a given Const.
- *
- * @param irn a Firm const
+ * checks if a node's value can be encoded as a immediate
*/
-static ir_node *create_const_graph(ir_node *irn, ir_node *block)
+static bool is_imm_encodeable(const ir_node *node)
{
- tarval *tv = get_Const_tarval(irn);
- ir_mode *mode = get_tarval_mode(tv);
- dbg_info *dbgi = get_irn_dbg_info(irn);
long value;
+ if (!is_Const(node))
+ return false;
-
- if (mode_is_reference(mode)) {
- /* SPARC V8 is 32bit, so we can safely convert a reference tarval into Iu */
- assert(get_mode_size_bits(mode) == get_mode_size_bits(mode_gp));
- tv = tarval_convert_to(tv, mode_gp);
- }
-
- value = get_tarval_long(tv);
- return create_const_graph_value(dbgi, block, value);
+ value = get_tarval_long(get_Const_tarval(node));
+ return sparc_is_value_imm_encodeable(value);
}
-typedef enum {
- MATCH_NONE = 0,
- MATCH_COMMUTATIVE = 1 << 0, /**< commutative operation. */
-} match_flags_t;
-
-typedef ir_node* (*new_binop_reg_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, ir_node *op2);
-typedef ir_node* (*new_binop_fp_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode);
-typedef ir_node* (*new_binop_imm_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, int simm13);
+static bool needs_extension(ir_mode *mode)
+{
+ return get_mode_size_bits(mode) < get_mode_size_bits(mode_gp);
+}
/**
- * checks if a node's value can be encoded as a immediate
+ * Check, if a given node is a Down-Conv, ie. a integer Conv
+ * from a mode with a mode with more bits to a mode with lesser bits.
+ * Moreover, we return only true if the node has not more than 1 user.
*
+ * @param node the node
+ * @return non-zero if node is a Down-Conv
*/
-static bool is_imm_encodeable(const ir_node *node)
+static bool is_downconv(const ir_node *node)
{
- long val;
+ ir_mode *src_mode;
+ ir_mode *dest_mode;
- //assert(mode_is_float_vector(get_irn_mode(node)));
-
- if (!is_Const(node))
+ if (!is_Conv(node))
return false;
- val = get_tarval_long(get_Const_tarval(node));
+ src_mode = get_irn_mode(get_Conv_op(node));
+ dest_mode = get_irn_mode(node);
+ return
+ mode_needs_gp_reg(src_mode) &&
+ mode_needs_gp_reg(dest_mode) &&
+ get_mode_size_bits(dest_mode) <= get_mode_size_bits(src_mode);
+}
- return -4096 <= val && val <= 4095;
+static ir_node *sparc_skip_downconv(ir_node *node)
+{
+ while (is_downconv(node)) {
+ node = get_Conv_op(node);
+ }
+ return node;
}
/**
* @param new_reg register generation function ptr
* @param new_imm immediate generation function ptr
*/
-static ir_node *gen_helper_binop(ir_node *node, match_flags_t flags,
- new_binop_reg_func new_reg, new_binop_imm_func new_imm)
+static ir_node *gen_helper_binop_args(ir_node *node,
+ ir_node *op1, ir_node *op2,
+ match_flags_t flags,
+ new_binop_reg_func new_reg,
+ new_binop_imm_func new_imm)
{
- ir_node *block = be_transform_node(get_nodes_block(node));
- ir_node *op1 = get_binop_left(node);
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = be_transform_node(get_nodes_block(node));
ir_node *new_op1;
- ir_node *op2 = get_binop_right(node);
ir_node *new_op2;
- dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_mode *mode1;
+ ir_mode *mode2;
- if (is_imm_encodeable(op2)) {
- ir_node *new_op1 = be_transform_node(op1);
- return new_imm(dbgi, block, new_op1, get_tarval_long(get_Const_tarval(op2)));
+ if (flags & MATCH_MODE_NEUTRAL) {
+ op1 = sparc_skip_downconv(op1);
+ op2 = sparc_skip_downconv(op2);
}
+ mode1 = get_irn_mode(op1);
+ mode2 = get_irn_mode(op2);
+ /* we shouldn't see 64bit code */
+ assert(get_mode_size_bits(mode1) <= 32);
+ assert(get_mode_size_bits(mode2) <= 32);
+ if (is_imm_encodeable(op2)) {
+ int32_t immediate = get_tarval_long(get_Const_tarval(op2));
+ new_op1 = be_transform_node(op1);
+ if (! (flags & MATCH_MODE_NEUTRAL) && needs_extension(mode1)) {
+ new_op1 = gen_extension(dbgi, block, new_op1, mode1);
+ }
+ return new_imm(dbgi, block, new_op1, NULL, immediate);
+ }
new_op2 = be_transform_node(op2);
+ if (! (flags & MATCH_MODE_NEUTRAL) && needs_extension(mode2)) {
+ new_op2 = gen_extension(dbgi, block, new_op2, mode2);
+ }
if ((flags & MATCH_COMMUTATIVE) && is_imm_encodeable(op1)) {
- return new_imm(dbgi, block, new_op2, get_tarval_long(get_Const_tarval(op1)) );
+ int32_t immediate = get_tarval_long(get_Const_tarval(op1));
+ return new_imm(dbgi, block, new_op2, NULL, immediate);
}
new_op1 = be_transform_node(op1);
-
+ if (! (flags & MATCH_MODE_NEUTRAL) && needs_extension(mode1)) {
+ new_op1 = gen_extension(dbgi, block, new_op1, mode1);
+ }
return new_reg(dbgi, block, new_op1, new_op2);
}
+static ir_node *gen_helper_binop(ir_node *node, match_flags_t flags,
+ new_binop_reg_func new_reg,
+ new_binop_imm_func new_imm)
+{
+ ir_node *op1 = get_binop_left(node);
+ ir_node *op2 = get_binop_right(node);
+ return gen_helper_binop_args(node, op1, op2, flags, new_reg, new_imm);
+}
+
/**
* helper function for FP binop operations
*/
static ir_node *gen_helper_binfpop(ir_node *node, ir_mode *mode,
- new_binop_fp_func new_func)
+ new_binop_fp_func new_func_single,
+ new_binop_fp_func new_func_double,
+ new_binop_fp_func new_func_quad)
{
ir_node *block = be_transform_node(get_nodes_block(node));
ir_node *op1 = get_binop_left(node);
ir_node *op2 = get_binop_right(node);
ir_node *new_op2 = be_transform_node(op2);
dbg_info *dbgi = get_irn_dbg_info(node);
+ unsigned bits = get_mode_size_bits(mode);
+
+ switch (bits) {
+ case 32:
+ return new_func_single(dbgi, block, new_op1, new_op2, mode);
+ case 64:
+ return new_func_double(dbgi, block, new_op1, new_op2, mode);
+ case 128:
+ return new_func_quad(dbgi, block, new_op1, new_op2, mode);
+ default:
+ break;
+ }
+ panic("unsupported mode %+F for float op", mode);
+}
+
+static ir_node *gen_helper_unfpop(ir_node *node, ir_mode *mode,
+ new_unop_fp_func new_func_single,
+ new_unop_fp_func new_func_double,
+ new_unop_fp_func new_func_quad)
+{
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *op = get_unop_op(node);
+ ir_node *new_op = be_transform_node(op);
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ unsigned bits = get_mode_size_bits(mode);
+
+ switch (bits) {
+ case 32:
+ return new_func_single(dbgi, block, new_op, mode);
+ case 64:
+ return new_func_double(dbgi, block, new_op, mode);
+ case 128:
+ return new_func_quad(dbgi, block, new_op, mode);
+ default:
+ break;
+ }
+ panic("unsupported mode %+F for float op", mode);
+}
+
+typedef ir_node* (*new_binopx_imm_func)(dbg_info *dbgi, ir_node *block,
+ ir_node *op1, ir_node *flags,
+ ir_entity *imm_entity, int32_t imm);
- return new_func(dbgi, block, new_op1, new_op2, mode);
+typedef ir_node* (*new_binopx_reg_func)(dbg_info *dbgi, ir_node *block,
+ ir_node *op1, ir_node *op2,
+ ir_node *flags);
+
+static ir_node *gen_helper_binopx(ir_node *node, match_flags_t match_flags,
+ new_binopx_reg_func new_binopx_reg,
+ new_binopx_imm_func new_binopx_imm)
+{
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *op1 = get_irn_n(node, 0);
+ ir_node *op2 = get_irn_n(node, 1);
+ ir_node *flags = get_irn_n(node, 2);
+ ir_node *new_flags = be_transform_node(flags);
+ ir_node *new_op1;
+ ir_node *new_op2;
+
+ /* only support for mode-neutral implemented so far */
+ assert(match_flags & MATCH_MODE_NEUTRAL);
+
+ if (is_imm_encodeable(op2)) {
+ int32_t immediate = get_tarval_long(get_Const_tarval(op2));
+ new_op1 = be_transform_node(op1);
+ return new_binopx_imm(dbgi, block, new_op1, new_flags, NULL, immediate);
+ }
+ new_op2 = be_transform_node(op2);
+ if ((match_flags & MATCH_COMMUTATIVE) && is_imm_encodeable(op1)) {
+ int32_t immediate = get_tarval_long(get_Const_tarval(op1));
+ return new_binopx_imm(dbgi, block, new_op2, new_flags, NULL, immediate);
+ }
+ new_op1 = be_transform_node(op1);
+ return new_binopx_reg(dbgi, block, new_op1, new_op2, new_flags);
+
+}
+
+static ir_node *get_g0(ir_graph *irg)
+{
+ if (start_g0 == NULL) {
+ /* this is already the transformed start node */
+ ir_node *start = get_irg_start(irg);
+ assert(is_sparc_Start(start));
+ start_g0 = new_r_Proj(start, mode_gp, start_g0_offset);
+ }
+ return start_g0;
+}
+
+static ir_node *get_g7(ir_graph *irg)
+{
+ if (start_g7 == NULL) {
+ ir_node *start = get_irg_start(irg);
+ assert(is_sparc_Start(start));
+ start_g7 = new_r_Proj(start, mode_gp, start_g7_offset);
+ }
+ return start_g7;
+}
+
+static ir_node *make_tls_offset(dbg_info *dbgi, ir_node *block,
+ ir_entity *entity, int32_t offset)
+{
+ ir_node *hi = new_bd_sparc_SetHi(dbgi, block, entity, offset);
+ ir_node *low = new_bd_sparc_Xor_imm(dbgi, block, hi, entity, offset);
+ return low;
+}
+
+static ir_node *make_address(dbg_info *dbgi, ir_node *block, ir_entity *entity,
+ int32_t offset)
+{
+ if (get_entity_owner(entity) == get_tls_type()) {
+ ir_graph *irg = get_irn_irg(block);
+ ir_node *g7 = get_g7(irg);
+ ir_node *offsetn = make_tls_offset(dbgi, block, entity, offset);
+ ir_node *add = new_bd_sparc_Add_reg(dbgi, block, g7, offsetn);
+ return add;
+ } else {
+ ir_node *hi = new_bd_sparc_SetHi(dbgi, block, entity, offset);
+ ir_node *low = new_bd_sparc_Or_imm(dbgi, block, hi, entity, offset);
+ return low;
+ }
+}
+
+typedef struct address_t {
+ ir_node *ptr;
+ ir_node *ptr2;
+ ir_entity *entity;
+ int32_t offset;
+} address_t;
+
+/**
+ * Match a load/store address
+ */
+static void match_address(ir_node *ptr, address_t *address, bool use_ptr2)
+{
+ ir_node *base = ptr;
+ ir_node *ptr2 = NULL;
+ int32_t offset = 0;
+ ir_entity *entity = NULL;
+
+ if (is_Add(base)) {
+ ir_node *add_right = get_Add_right(base);
+ if (is_Const(add_right)) {
+ base = get_Add_left(base);
+ offset += get_tarval_long(get_Const_tarval(add_right));
+ }
+ }
+ /* Note that we don't match sub(x, Const) or chains of adds/subs
+ * because this should all be normalized by now */
+
+ /* we only use the symconst if we're the only user otherwise we probably
+ * won't save anything but produce multiple sethi+or combinations with
+ * just different offsets */
+ if (is_SymConst(base) && get_irn_n_edges(base) == 1) {
+ ir_entity *sc_entity = get_SymConst_entity(base);
+ dbg_info *dbgi = get_irn_dbg_info(ptr);
+ ir_node *block = get_nodes_block(ptr);
+ ir_node *new_block = be_transform_node(block);
+
+ if (get_entity_owner(sc_entity) == get_tls_type()) {
+ if (!use_ptr2) {
+ goto only_offset;
+ } else {
+ ptr2 = make_tls_offset(dbgi, new_block, sc_entity, offset);
+ offset = 0;
+ base = get_g7(get_irn_irg(base));
+ }
+ } else {
+ entity = sc_entity;
+ base = new_bd_sparc_SetHi(dbgi, new_block, entity, offset);
+ }
+ } else if (use_ptr2 && is_Add(base) && offset == 0) {
+ ptr2 = be_transform_node(get_Add_right(base));
+ base = be_transform_node(get_Add_left(base));
+ } else {
+only_offset:
+ if (sparc_is_value_imm_encodeable(offset)) {
+ base = be_transform_node(base);
+ } else {
+ base = be_transform_node(ptr);
+ offset = 0;
+ }
+ }
+
+ address->ptr = base;
+ address->ptr2 = ptr2;
+ address->entity = entity;
+ address->offset = offset;
}
/**
static ir_node *gen_Add(ir_node *node)
{
ir_mode *mode = get_irn_mode(node);
+ ir_node *right;
if (mode_is_float(mode)) {
- return gen_helper_binfpop(node, mode, new_bd_sparc_fadd);
+ return gen_helper_binfpop(node, mode, new_bd_sparc_fadd_s,
+ new_bd_sparc_fadd_d, new_bd_sparc_fadd_q);
+ }
+
+ /* special case: + 0x1000 can be represented as - 0x1000 */
+ right = get_Add_right(node);
+ if (is_Const(right)) {
+ ir_node *left = get_Add_left(node);
+ ir_tarval *tv;
+ uint32_t val;
+ /* is this simple address arithmetic? then we can let the linker do
+ * the calculation. */
+ if (is_SymConst(left) && get_irn_n_edges(left) == 1) {
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ address_t address;
+
+ /* the value of use_ptr2 shouldn't matter here */
+ match_address(node, &address, false);
+ assert(is_sparc_SetHi(address.ptr));
+ return new_bd_sparc_Or_imm(dbgi, block, address.ptr,
+ address.entity, address.offset);
+ }
+
+ tv = get_Const_tarval(right);
+ val = get_tarval_long(tv);
+ if (val == 0x1000) {
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *op = get_Add_left(node);
+ ir_node *new_op = be_transform_node(op);
+ return new_bd_sparc_Sub_imm(dbgi, block, new_op, NULL, -0x1000);
+ }
+ }
+
+ return gen_helper_binop(node, MATCH_COMMUTATIVE | MATCH_MODE_NEUTRAL,
+ new_bd_sparc_Add_reg, new_bd_sparc_Add_imm);
+}
+
+static ir_node *gen_AddCC_t(ir_node *node)
+{
+ return gen_helper_binop(node, MATCH_COMMUTATIVE | MATCH_MODE_NEUTRAL,
+ new_bd_sparc_AddCC_reg, new_bd_sparc_AddCC_imm);
+}
+
+static ir_node *gen_Proj_AddCC_t(ir_node *node)
+{
+ long pn = get_Proj_proj(node);
+ ir_node *pred = get_Proj_pred(node);
+ ir_node *new_pred = be_transform_node(pred);
+
+ switch (pn) {
+ case pn_sparc_AddCC_t_res:
+ return new_r_Proj(new_pred, mode_gp, pn_sparc_AddCC_res);
+ case pn_sparc_AddCC_t_flags:
+ return new_r_Proj(new_pred, mode_flags, pn_sparc_AddCC_flags);
+ default:
+ panic("Invalid AddCC_t proj found");
}
+}
- return gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_Add_reg, new_bd_sparc_Add_imm);
+static ir_node *gen_AddX_t(ir_node *node)
+{
+ return gen_helper_binopx(node, MATCH_COMMUTATIVE | MATCH_MODE_NEUTRAL,
+ new_bd_sparc_AddX_reg, new_bd_sparc_AddX_imm);
}
/**
ir_mode *mode = get_irn_mode(node);
if (mode_is_float(mode)) {
- return gen_helper_binfpop(node, mode, new_bd_sparc_fsub);
+ return gen_helper_binfpop(node, mode, new_bd_sparc_fsub_s,
+ new_bd_sparc_fsub_d, new_bd_sparc_fsub_q);
}
- return gen_helper_binop(node, MATCH_NONE, new_bd_sparc_Sub_reg, new_bd_sparc_Sub_imm);
+ return gen_helper_binop(node, MATCH_MODE_NEUTRAL,
+ new_bd_sparc_Sub_reg, new_bd_sparc_Sub_imm);
+}
+
+static ir_node *gen_SubCC_t(ir_node *node)
+{
+ return gen_helper_binop(node, MATCH_MODE_NEUTRAL,
+ new_bd_sparc_SubCC_reg, new_bd_sparc_SubCC_imm);
+}
+
+static ir_node *gen_Proj_SubCC_t(ir_node *node)
+{
+ long pn = get_Proj_proj(node);
+ ir_node *pred = get_Proj_pred(node);
+ ir_node *new_pred = be_transform_node(pred);
+
+ switch (pn) {
+ case pn_sparc_SubCC_t_res:
+ return new_r_Proj(new_pred, mode_gp, pn_sparc_SubCC_res);
+ case pn_sparc_SubCC_t_flags:
+ return new_r_Proj(new_pred, mode_flags, pn_sparc_SubCC_flags);
+ default:
+ panic("Invalid SubCC_t proj found");
+ }
+}
+
+static ir_node *gen_SubX_t(ir_node *node)
+{
+ return gen_helper_binopx(node, MATCH_MODE_NEUTRAL,
+ new_bd_sparc_SubX_reg, new_bd_sparc_SubX_imm);
+}
+
+ir_node *create_ldf(dbg_info *dbgi, ir_node *block, ir_node *ptr,
+ ir_node *mem, ir_mode *mode, ir_entity *entity,
+ long offset, bool is_frame_entity)
+{
+ unsigned bits = get_mode_size_bits(mode);
+ assert(mode_is_float(mode));
+ if (bits == 32) {
+ return new_bd_sparc_Ldf_s(dbgi, block, ptr, mem, mode, entity,
+ offset, is_frame_entity);
+ } else if (bits == 64) {
+ return new_bd_sparc_Ldf_d(dbgi, block, ptr, mem, mode, entity,
+ offset, is_frame_entity);
+ } else {
+ assert(bits == 128);
+ return new_bd_sparc_Ldf_q(dbgi, block, ptr, mem, mode, entity,
+ offset, is_frame_entity);
+ }
+}
+
+ir_node *create_stf(dbg_info *dbgi, ir_node *block, ir_node *value,
+ ir_node *ptr, ir_node *mem, ir_mode *mode,
+ ir_entity *entity, long offset,
+ bool is_frame_entity)
+{
+ unsigned bits = get_mode_size_bits(mode);
+ assert(mode_is_float(mode));
+ if (bits == 32) {
+ return new_bd_sparc_Stf_s(dbgi, block, value, ptr, mem, mode, entity,
+ offset, is_frame_entity);
+ } else if (bits == 64) {
+ return new_bd_sparc_Stf_d(dbgi, block, value, ptr, mem, mode, entity,
+ offset, is_frame_entity);
+ } else {
+ assert(bits == 128);
+ return new_bd_sparc_Stf_q(dbgi, block, value, ptr, mem, mode, entity,
+ offset, is_frame_entity);
+ }
}
/**
*/
static ir_node *gen_Load(ir_node *node)
{
+ dbg_info *dbgi = get_irn_dbg_info(node);
ir_mode *mode = get_Load_mode(node);
ir_node *block = be_transform_node(get_nodes_block(node));
ir_node *ptr = get_Load_ptr(node);
- ir_node *new_ptr = be_transform_node(ptr);
ir_node *mem = get_Load_mem(node);
ir_node *new_mem = be_transform_node(mem);
- dbg_info *dbgi = get_irn_dbg_info(node);
ir_node *new_load = NULL;
+ address_t address;
+
+ if (get_Load_unaligned(node) == align_non_aligned) {
+ panic("sparc: transformation of unaligned Loads not implemented yet");
+ }
if (mode_is_float(mode)) {
- new_load = new_bd_sparc_Ldf(dbgi, block, new_ptr, new_mem, mode, NULL, 0, 0, false);
+ match_address(ptr, &address, false);
+ new_load = create_ldf(dbgi, block, address.ptr, new_mem, mode,
+ address.entity, address.offset, false);
} else {
- new_load = new_bd_sparc_Ld(dbgi, block, new_ptr, new_mem, mode, NULL, 0, 0, false);
+ match_address(ptr, &address, true);
+ if (address.ptr2 != NULL) {
+ assert(address.entity == NULL && address.offset == 0);
+ new_load = new_bd_sparc_Ld_reg(dbgi, block, address.ptr,
+ address.ptr2, new_mem, mode);
+ } else {
+ new_load = new_bd_sparc_Ld_imm(dbgi, block, address.ptr, new_mem,
+ mode, address.entity, address.offset,
+ false);
+ }
}
set_irn_pinned(new_load, get_irn_pinned(node));
{
ir_node *block = be_transform_node(get_nodes_block(node));
ir_node *ptr = get_Store_ptr(node);
- ir_node *new_ptr = be_transform_node(ptr);
ir_node *mem = get_Store_mem(node);
ir_node *new_mem = be_transform_node(mem);
ir_node *val = get_Store_value(node);
ir_node *new_val = be_transform_node(val);
ir_mode *mode = get_irn_mode(val);
dbg_info *dbgi = get_irn_dbg_info(node);
- ir_node *new_store = NULL;
+ ir_node *new_store = NULL;
+ address_t address;
+
+ if (get_Store_unaligned(node) == align_non_aligned) {
+ panic("sparc: transformation of unaligned Stores not implemented yet");
+ }
if (mode_is_float(mode)) {
- new_store = new_bd_sparc_Stf(dbgi, block, new_ptr, new_val, new_mem, mode, NULL, 0, 0, false);
+ /* TODO: variants with reg+reg address mode */
+ match_address(ptr, &address, false);
+ new_store = create_stf(dbgi, block, new_val, address.ptr, new_mem,
+ mode, address.entity, address.offset, false);
} else {
- new_store = new_bd_sparc_St(dbgi, block, new_ptr, new_val, new_mem, mode, NULL, 0, 0, false);
+ assert(get_mode_size_bits(mode) <= 32);
+ match_address(ptr, &address, true);
+ if (address.ptr2 != NULL) {
+ assert(address.entity == NULL && address.offset == 0);
+ new_store = new_bd_sparc_St_reg(dbgi, block, new_val, address.ptr,
+ address.ptr2, new_mem, mode);
+ } else {
+ new_store = new_bd_sparc_St_imm(dbgi, block, new_val, address.ptr,
+ new_mem, mode, address.entity,
+ address.offset, false);
+ }
}
set_irn_pinned(new_store, get_irn_pinned(node));
{
ir_mode *mode = get_irn_mode(node);
if (mode_is_float(mode)) {
- return gen_helper_binfpop(node, mode, new_bd_sparc_fmul);
+ return gen_helper_binfpop(node, mode, new_bd_sparc_fmul_s,
+ new_bd_sparc_fmul_d, new_bd_sparc_fmul_q);
}
- assert(mode_is_data(mode));
- return gen_helper_binop(node, MATCH_COMMUTATIVE,
+ return gen_helper_binop(node, MATCH_COMMUTATIVE | MATCH_MODE_NEUTRAL,
new_bd_sparc_Mul_reg, new_bd_sparc_Mul_imm);
}
{
ir_mode *mode = get_irn_mode(node);
ir_node *mul;
- ir_node *proj_res_hi;
if (mode_is_float(mode))
panic("FP not supported yet");
-
- assert(mode_is_data(mode));
- mul = gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_Mulh_reg, new_bd_sparc_Mulh_imm);
- //arch_irn_add_flags(mul, arch_irn_flags_modify_flags);
- proj_res_hi = new_r_Proj(mul, mode_gp, pn_sparc_Mulh_low);
- return proj_res_hi;
-}
-
-/**
- * Creates an sparc Div.
- *
- * @return the created sparc Div node
- */
-static ir_node *gen_Div(ir_node *node)
-{
- ir_mode *mode = get_Div_resmode(node);
- ir_node *res;
-
- assert(!mode_is_float(mode));
if (mode_is_signed(mode)) {
- res = gen_helper_binop(node, 0, new_bd_sparc_SDiv_reg,
- new_bd_sparc_SDiv_imm);
+ mul = gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_SMulh_reg, new_bd_sparc_SMulh_imm);
+ return new_r_Proj(mul, mode_gp, pn_sparc_SMulh_low);
} else {
- res = gen_helper_binop(node, 0, new_bd_sparc_UDiv_reg,
- new_bd_sparc_UDiv_imm);
+ mul = gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_UMulh_reg, new_bd_sparc_UMulh_imm);
+ return new_r_Proj(mul, mode_gp, pn_sparc_UMulh_low);
}
- return res;
}
-static ir_node *gen_Quot(ir_node *node)
+static ir_node *gen_sign_extension_value(ir_node *node)
{
- ir_mode *mode = get_Quot_resmode(node);
- assert(mode_is_float(mode));
- return gen_helper_binfpop(node, mode, new_bd_sparc_fdiv);
+ ir_node *block = get_nodes_block(node);
+ ir_node *new_block = be_transform_node(block);
+ ir_node *new_node = be_transform_node(node);
+ /* TODO: we could do some shortcuts for some value types probably.
+ * (For constants or other cases where we know the sign bit in
+ * advance) */
+ return new_bd_sparc_Sra_imm(NULL, new_block, new_node, NULL, 31);
}
/**
- * transform abs node:
- * mov a, b
- * sra b, 31, b
- * xor a, b
- * sub a, b
+ * Creates an sparc Div.
*
- * @return
+ * @return the created sparc Div node
*/
-static ir_node *gen_Abs(ir_node *node) {
- ir_node *block = be_transform_node(get_nodes_block(node));
- ir_mode *mode = get_irn_mode(node);
- dbg_info *dbgi = get_irn_dbg_info(node);
- ir_node *op = get_Abs_op(node);
-
- ir_node *mov, *sra, *xor, *sub, *new_op;
+static ir_node *gen_Div(ir_node *node)
+{
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = get_nodes_block(node);
+ ir_node *new_block = be_transform_node(block);
+ ir_mode *mode = get_Div_resmode(node);
+ ir_node *left = get_Div_left(node);
+ ir_node *left_low = be_transform_node(left);
+ ir_node *right = get_Div_right(node);
+ ir_node *res;
- if (mode_is_float(mode))
- panic("FP not supported yet");
+ if (mode_is_float(mode)) {
+ return gen_helper_binfpop(node, mode, new_bd_sparc_fdiv_s,
+ new_bd_sparc_fdiv_d, new_bd_sparc_fdiv_q);
+ }
- new_op = be_transform_node(op);
+ if (mode_is_signed(mode)) {
+ ir_node *left_high = gen_sign_extension_value(left);
- mov = new_bd_sparc_Mov_reg(dbgi, block, new_op);
- sra = new_bd_sparc_Sra_imm(dbgi, block, mov, 31);
- xor = new_bd_sparc_Xor_reg(dbgi, block, new_op, sra);
- sub = new_bd_sparc_Sub_reg(dbgi, block, sra, xor);
+ if (is_imm_encodeable(right)) {
+ int32_t immediate = get_tarval_long(get_Const_tarval(right));
+ res = new_bd_sparc_SDiv_imm(dbgi, new_block, left_high, left_low,
+ NULL, immediate);
+ } else {
+ ir_node *new_right = be_transform_node(right);
+ res = new_bd_sparc_SDiv_reg(dbgi, new_block, left_high, left_low,
+ new_right);
+ }
+ } else {
+ ir_graph *irg = get_irn_irg(node);
+ ir_node *left_high = get_g0(irg);
+ if (is_imm_encodeable(right)) {
+ int32_t immediate = get_tarval_long(get_Const_tarval(right));
+ res = new_bd_sparc_UDiv_imm(dbgi, new_block, left_high, left_low,
+ NULL, immediate);
+ } else {
+ ir_node *new_right = be_transform_node(right);
+ res = new_bd_sparc_UDiv_reg(dbgi, new_block, left_high, left_low,
+ new_right);
+ }
+ }
- return sub;
+ return res;
}
/**
*/
static ir_node *gen_Not(ir_node *node)
{
- ir_node *block = be_transform_node(get_nodes_block(node));
- ir_node *op = get_Not_op(node);
- ir_node *new_op = be_transform_node(op);
- dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *op = get_Not_op(node);
+ ir_graph *irg = get_irn_irg(node);
+ ir_node *zero = get_g0(irg);
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *new_op = be_transform_node(op);
+
+ /* Note: Not(Eor()) is normalize in firm localopts already so
+ * we don't match it for xnor here */
- return new_bd_sparc_Not(dbgi, block, new_op);
+ /* Not can be represented with xnor 0, n */
+ return new_bd_sparc_XNor_reg(dbgi, block, zero, new_op);
+}
+
+static ir_node *gen_helper_bitop(ir_node *node,
+ new_binop_reg_func new_reg,
+ new_binop_imm_func new_imm,
+ new_binop_reg_func new_not_reg,
+ new_binop_imm_func new_not_imm,
+ match_flags_t flags)
+{
+ ir_node *op1 = get_binop_left(node);
+ ir_node *op2 = get_binop_right(node);
+ if (is_Not(op1)) {
+ return gen_helper_binop_args(node, op2, get_Not_op(op1),
+ flags,
+ new_not_reg, new_not_imm);
+ }
+ if (is_Not(op2)) {
+ return gen_helper_binop_args(node, op1, get_Not_op(op2),
+ flags,
+ new_not_reg, new_not_imm);
+ }
+ return gen_helper_binop_args(node, op1, op2,
+ flags | MATCH_COMMUTATIVE,
+ new_reg, new_imm);
}
static ir_node *gen_And(ir_node *node)
{
- return gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_And_reg, new_bd_sparc_And_imm);
+ return gen_helper_bitop(node,
+ new_bd_sparc_And_reg,
+ new_bd_sparc_And_imm,
+ new_bd_sparc_AndN_reg,
+ new_bd_sparc_AndN_imm,
+ MATCH_MODE_NEUTRAL);
}
static ir_node *gen_Or(ir_node *node)
{
- return gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_Or_reg, new_bd_sparc_Or_imm);
+ return gen_helper_bitop(node,
+ new_bd_sparc_Or_reg,
+ new_bd_sparc_Or_imm,
+ new_bd_sparc_OrN_reg,
+ new_bd_sparc_OrN_imm,
+ MATCH_MODE_NEUTRAL);
}
static ir_node *gen_Eor(ir_node *node)
{
- return gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_Xor_reg, new_bd_sparc_Xor_imm);
+ return gen_helper_bitop(node,
+ new_bd_sparc_Xor_reg,
+ new_bd_sparc_Xor_imm,
+ new_bd_sparc_XNor_reg,
+ new_bd_sparc_XNor_imm,
+ MATCH_MODE_NEUTRAL);
}
static ir_node *gen_Shl(ir_node *node)
{
+ ir_mode *mode = get_irn_mode(node);
+ if (get_mode_modulo_shift(mode) != 32)
+ panic("modulo_shift!=32 not supported by sparc backend");
return gen_helper_binop(node, MATCH_NONE, new_bd_sparc_Sll_reg, new_bd_sparc_Sll_imm);
}
static ir_node *gen_Shr(ir_node *node)
{
- return gen_helper_binop(node, MATCH_NONE, new_bd_sparc_Slr_reg, new_bd_sparc_Slr_imm);
+ ir_mode *mode = get_irn_mode(node);
+ if (get_mode_modulo_shift(mode) != 32)
+ panic("modulo_shift!=32 not supported by sparc backend");
+ return gen_helper_binop(node, MATCH_NONE, new_bd_sparc_Srl_reg, new_bd_sparc_Srl_imm);
}
static ir_node *gen_Shrs(ir_node *node)
{
- return gen_helper_binop(node, MATCH_NONE, new_bd_sparc_Sra_reg, new_bd_sparc_Sra_imm);
-}
-
-/**
- * Transforms a Minus node.
- */
-static ir_node *gen_Minus(ir_node *node)
-{
- ir_node *block = be_transform_node(get_nodes_block(node));
- ir_node *op = get_Minus_op(node);
- ir_node *new_op = be_transform_node(op);
- dbg_info *dbgi = get_irn_dbg_info(node);
- ir_mode *mode = get_irn_mode(node);
-
- if (mode_is_float(mode)) {
- return new_bd_sparc_fneg(dbgi, block, new_op, mode);
- }
-
- return new_bd_sparc_Minus(dbgi, block, new_op);
-}
-
-static ir_node *make_addr(dbg_info *dbgi, ir_entity *entity)
-{
- ir_node *block = get_irg_start_block(current_ir_graph);
- ir_node *node = new_bd_sparc_SymConst(dbgi, block, entity);
- be_dep_on_frame(node);
- return node;
-}
-
-/**
- * Create an entity for a given (floating point) tarval
- */
-static ir_entity *create_float_const_entity(tarval *tv)
-{
- ir_entity *entity = (ir_entity*) pmap_get(env_cg->constants, tv);
- ir_initializer_t *initializer;
- ir_mode *mode;
- ir_type *type;
- ir_type *glob;
-
- if (entity != NULL)
- return entity;
-
- mode = get_tarval_mode(tv);
- type = get_type_for_mode(mode);
- glob = get_glob_type();
- entity = new_entity(glob, id_unique("C%u"), type);
- set_entity_visibility(entity, ir_visibility_private);
- add_entity_linkage(entity, IR_LINKAGE_CONSTANT);
-
- initializer = create_initializer_tarval(tv);
- set_entity_initializer(entity, initializer);
-
- pmap_insert(env_cg->constants, tv, entity);
- return entity;
-}
-
-/**
- * Transforms a Const node.
- *
- * @param node the ir Const node
- * @return The transformed sparc node.
- */
-static ir_node *gen_Const(ir_node *node)
-{
- ir_node *block = be_transform_node(get_nodes_block(node));
- ir_mode *mode = get_irn_mode(node);
-
- if (mode_is_float(mode)) {
- dbg_info *dbgi = get_irn_dbg_info(node);
- tarval *tv = get_Const_tarval(node);
- ir_entity *entity = create_float_const_entity(tv);
- ir_node *addr = make_addr(dbgi, entity);
- ir_node *mem = new_NoMem();
- ir_node *new_op
- = new_bd_sparc_Ldf(dbgi, block, addr, mem, mode, NULL, 0, 0, false);
-
- ir_node *proj = new_Proj(new_op, mode, pn_sparc_Ldf_res);
- return proj;
- }
-
- return create_const_graph(node, block);
-}
-
-/**
- * AddSP
- * @param node the ir AddSP node
- * @return transformed sparc SAVE node
- */
-static ir_node *gen_be_AddSP(ir_node *node)
-{
- ir_node *block = be_transform_node(get_nodes_block(node));
- ir_node *sz = get_irn_n(node, be_pos_AddSP_size);
- ir_node *new_sz = be_transform_node(sz);
- ir_node *sp = get_irn_n(node, be_pos_AddSP_old_sp);
- ir_node *new_sp = be_transform_node(sp);
- dbg_info *dbgi = get_irn_dbg_info(node);
- ir_node *nomem = new_NoMem();
- ir_node *new_op;
-
- /* SPARC stack grows in reverse direction */
- new_op = new_bd_sparc_SubSP(dbgi, block, new_sp, new_sz, nomem);
-
- return new_op;
-}
-
-/**
- * SubSP
- * @param node the ir SubSP node
- * @return transformed sparc SAVE node
- */
-static ir_node *gen_be_SubSP(ir_node *node)
-{
- ir_node *block = be_transform_node(get_nodes_block(node));
- ir_node *sz = get_irn_n(node, be_pos_SubSP_size);
- ir_node *new_sz = be_transform_node(sz);
- ir_node *sp = get_irn_n(node, be_pos_SubSP_old_sp);
- ir_node *new_sp = be_transform_node(sp);
- dbg_info *dbgi = get_irn_dbg_info(node);
- ir_node *nomem = new_NoMem();
- ir_node *new_op;
-
- /* SPARC stack grows in reverse direction */
- new_op = new_bd_sparc_AddSP(dbgi, block, new_sp, new_sz, nomem);
- return new_op;
-}
-
-/**
- * transform FrameAddr
- */
-static ir_node *gen_be_FrameAddr(ir_node *node)
-{
- ir_node *block = be_transform_node(get_nodes_block(node));
- ir_entity *ent = be_get_frame_entity(node);
- ir_node *fp = be_get_FrameAddr_frame(node);
- ir_node *new_fp = be_transform_node(fp);
- dbg_info *dbgi = get_irn_dbg_info(node);
- ir_node *new_node;
- new_node = new_bd_sparc_FrameAddr(dbgi, block, new_fp, ent);
- return new_node;
+ ir_mode *mode = get_irn_mode(node);
+ if (get_mode_modulo_shift(mode) != 32)
+ panic("modulo_shift!=32 not supported by sparc backend");
+ return gen_helper_binop(node, MATCH_NONE, new_bd_sparc_Sra_reg, new_bd_sparc_Sra_imm);
}
/**
- * Transform a be_Copy.
+ * Transforms a Minus node.
*/
-static ir_node *gen_be_Copy(ir_node *node)
+static ir_node *gen_Minus(ir_node *node)
{
- ir_node *result = be_duplicate_node(node);
- ir_mode *mode = get_irn_mode(result);
+ ir_mode *mode = get_irn_mode(node);
+ ir_node *op;
+ ir_node *block;
+ ir_node *new_op;
+ ir_node *zero;
+ dbg_info *dbgi;
- if (mode_needs_gp_reg(mode)) {
- set_irn_mode(node, mode_gp);
+ if (mode_is_float(mode)) {
+ return gen_helper_unfpop(node, mode, new_bd_sparc_fneg_s,
+ new_bd_sparc_fneg_d, new_bd_sparc_fneg_q);
}
-
- return result;
+ block = be_transform_node(get_nodes_block(node));
+ dbgi = get_irn_dbg_info(node);
+ op = get_Minus_op(node);
+ new_op = be_transform_node(op);
+ zero = get_g0(get_irn_irg(node));
+ return new_bd_sparc_Sub_reg(dbgi, block, zero, new_op);
}
/**
- * Transform a Call
+ * Create an entity for a given (floating point) tarval
*/
-static ir_node *gen_be_Call(ir_node *node)
+static ir_entity *create_float_const_entity(ir_tarval *tv)
{
- ir_node *res = be_duplicate_node(node);
- arch_irn_add_flags(res, arch_irn_flags_modify_flags);
- return res;
-}
+ const arch_env_t *arch_env = be_get_irg_arch_env(current_ir_graph);
+ sparc_isa_t *isa = (sparc_isa_t*) arch_env;
+ ir_entity *entity = (ir_entity*) pmap_get(isa->constants, tv);
+ ir_initializer_t *initializer;
+ ir_mode *mode;
+ ir_type *type;
+ ir_type *glob;
-/**
- * Transforms a Switch.
- *
- */
-static ir_node *gen_SwitchJmp(ir_node *node)
-{
- ir_node *block = be_transform_node(get_nodes_block(node));
- ir_node *selector = get_Cond_selector(node);
- dbg_info *dbgi = get_irn_dbg_info(node);
- ir_node *new_op = be_transform_node(selector);
- ir_node *const_graph;
- ir_node *sub;
+ if (entity != NULL)
+ return entity;
- ir_node *proj;
- const ir_edge_t *edge;
- int min = INT_MAX;
- int max = INT_MIN;
- int translation;
- int pn;
- int n_projs;
+ mode = get_tarval_mode(tv);
+ type = get_type_for_mode(mode);
+ glob = get_glob_type();
+ entity = new_entity(glob, id_unique("C%u"), type);
+ set_entity_visibility(entity, ir_visibility_private);
+ add_entity_linkage(entity, IR_LINKAGE_CONSTANT);
- foreach_out_edge(node, edge) {
- proj = get_edge_src_irn(edge);
- assert(is_Proj(proj) && "Only proj allowed at SwitchJmp");
+ initializer = create_initializer_tarval(tv);
+ set_entity_initializer(entity, initializer);
- pn = get_Proj_proj(proj);
+ pmap_insert(isa->constants, tv, entity);
+ return entity;
+}
- min = pn<min ? pn : min;
- max = pn>max ? pn : max;
- }
+static ir_node *gen_float_const(dbg_info *dbgi, ir_node *block, ir_tarval *tv)
+{
+ ir_entity *entity = create_float_const_entity(tv);
+ ir_node *hi = new_bd_sparc_SetHi(dbgi, block, entity, 0);
+ ir_node *mem = get_irg_no_mem(current_ir_graph);
+ ir_mode *mode = get_tarval_mode(tv);
+ ir_node *new_op
+ = create_ldf(dbgi, block, hi, mem, mode, entity, 0, false);
+ ir_node *proj = new_r_Proj(new_op, mode, pn_sparc_Ldf_res);
- translation = min;
- n_projs = max - translation + 1;
+ set_irn_pinned(new_op, op_pin_state_floats);
+ return proj;
+}
- foreach_out_edge(node, edge) {
- proj = get_edge_src_irn(edge);
- assert(is_Proj(proj) && "Only proj allowed at SwitchJmp");
+static ir_node *gen_Const(ir_node *node)
+{
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_mode *mode = get_irn_mode(node);
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_tarval *tv = get_Const_tarval(node);
+ long value;
- pn = get_Proj_proj(proj) - translation;
- set_Proj_proj(proj, pn);
+ if (mode_is_float(mode)) {
+ return gen_float_const(dbgi, block, tv);
}
- const_graph = create_const_graph_value(dbgi, block, translation);
- sub = new_bd_sparc_Sub_reg(dbgi, block, new_op, const_graph);
- return new_bd_sparc_SwitchJmp(dbgi, block, sub, n_projs, get_Cond_default_proj(node) - translation);
+ value = get_tarval_long(tv);
+ if (value == 0) {
+ return get_g0(get_irn_irg(node));
+ } else if (sparc_is_value_imm_encodeable(value)) {
+ ir_graph *irg = get_irn_irg(node);
+ return new_bd_sparc_Or_imm(dbgi, block, get_g0(irg), NULL, value);
+ } else {
+ ir_node *hi = new_bd_sparc_SetHi(dbgi, block, NULL, value);
+ if ((value & 0x3ff) != 0) {
+ return new_bd_sparc_Or_imm(dbgi, block, hi, NULL, value & 0x3ff);
+ } else {
+ return hi;
+ }
+ }
}
static ir_mode *get_cmp_mode(ir_node *b_value)
{
- ir_node *pred;
ir_node *op;
- if (!is_Proj(b_value))
- panic("can't determine cond signednes");
- pred = get_Proj_pred(b_value);
- if (!is_Cmp(pred))
+ if (!is_Cmp(b_value))
panic("can't determine cond signednes (no cmp)");
- op = get_Cmp_left(pred);
+ op = get_Cmp_left(b_value);
return get_irn_mode(op);
}
-/**
- * Transform Cond nodes
- */
+static ir_node *gen_SwitchJmp(ir_node *node)
+{
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *selector = get_Cond_selector(node);
+ ir_node *new_selector = be_transform_node(selector);
+ long default_pn = get_Cond_default_proj(node);
+ ir_entity *entity;
+ ir_node *table_address;
+ ir_node *idx;
+ ir_node *load;
+ ir_node *address;
+
+ /* switch with smaller mode not implemented yet */
+ assert(get_mode_size_bits(get_irn_mode(selector)) == 32);
+
+ entity = new_entity(NULL, id_unique("TBL%u"), get_unknown_type());
+ set_entity_visibility(entity, ir_visibility_private);
+ add_entity_linkage(entity, IR_LINKAGE_CONSTANT);
+
+ /* construct base address */
+ table_address = make_address(dbgi, block, entity, 0);
+ /* scale index */
+ idx = new_bd_sparc_Sll_imm(dbgi, block, new_selector, NULL, 2);
+ /* load from jumptable */
+ load = new_bd_sparc_Ld_reg(dbgi, block, table_address, idx,
+ get_irg_no_mem(current_ir_graph),
+ mode_gp);
+ address = new_r_Proj(load, mode_gp, pn_sparc_Ld_res);
+
+ return new_bd_sparc_SwitchJmp(dbgi, block, address, default_pn, entity);
+}
+
static ir_node *gen_Cond(ir_node *node)
{
- ir_node *selector = get_Cond_selector(node);
- ir_mode *mode = get_irn_mode(selector);
- ir_mode *cmp_mode;
- ir_node *block;
- ir_node *flag_node;
- bool is_unsigned;
- pn_Cmp pnc;
- dbg_info *dbgi;
+ ir_node *selector = get_Cond_selector(node);
+ ir_mode *mode = get_irn_mode(selector);
+ ir_node *block;
+ ir_node *flag_node;
+ bool is_unsigned;
+ ir_relation relation;
+ dbg_info *dbgi;
- // switch/case jumps
+ /* switch/case jumps */
if (mode != mode_b) {
return gen_SwitchJmp(node);
}
- // regular if/else jumps
- assert(is_Proj(selector));
- assert(is_Cmp(get_Proj_pred(selector)));
+ block = be_transform_node(get_nodes_block(node));
+ dbgi = get_irn_dbg_info(node);
- cmp_mode = get_cmp_mode(selector);
+ /* regular if/else jumps */
+ if (is_Cmp(selector)) {
+ ir_mode *cmp_mode;
- block = be_transform_node(get_nodes_block(node));
- dbgi = get_irn_dbg_info(node);
- flag_node = be_transform_node(get_Proj_pred(selector));
- pnc = get_Proj_proj(selector);
- is_unsigned = !mode_is_signed(cmp_mode);
- if (mode_is_float(cmp_mode)) {
- assert(!is_unsigned);
- return new_bd_sparc_fbfcc(dbgi, block, flag_node, pnc);
+ cmp_mode = get_cmp_mode(selector);
+ flag_node = be_transform_node(selector);
+ relation = get_Cmp_relation(selector);
+ is_unsigned = !mode_is_signed(cmp_mode);
+ if (mode_is_float(cmp_mode)) {
+ assert(!is_unsigned);
+ return new_bd_sparc_fbfcc(dbgi, block, flag_node, relation);
+ } else {
+ return new_bd_sparc_Bicc(dbgi, block, flag_node, relation, is_unsigned);
+ }
} else {
- return new_bd_sparc_Bicc(dbgi, block, flag_node, pnc, is_unsigned);
+ /* in this case, the selector must already deliver a mode_b value.
+ * this happens, for example, when the Cond is connected to a Conv
+ * which converts its argument to mode_b. */
+ ir_node *new_op;
+ ir_graph *irg;
+ assert(mode == mode_b);
+
+ block = be_transform_node(get_nodes_block(node));
+ irg = get_irn_irg(block);
+ dbgi = get_irn_dbg_info(node);
+ new_op = be_transform_node(selector);
+ /* follow the SPARC architecture manual and use orcc for tst */
+ flag_node = new_bd_sparc_OrCCZero_reg(dbgi, block, new_op, get_g0(irg));
+ return new_bd_sparc_Bicc(dbgi, block, flag_node, ir_relation_less_greater, true);
}
}
*/
static ir_node *gen_Cmp(ir_node *node)
{
- ir_node *block = be_transform_node(get_nodes_block(node));
- ir_node *op1 = get_Cmp_left(node);
- ir_node *op2 = get_Cmp_right(node);
- ir_mode *cmp_mode = get_irn_mode(op1);
- dbg_info *dbgi = get_irn_dbg_info(node);
- ir_node *new_op1 = be_transform_node(op1);
- ir_node *new_op2 = be_transform_node(op2);
+ ir_node *op1 = get_Cmp_left(node);
+ ir_node *op2 = get_Cmp_right(node);
+ ir_mode *cmp_mode = get_irn_mode(op1);
assert(get_irn_mode(op2) == cmp_mode);
if (mode_is_float(cmp_mode)) {
- return new_bd_sparc_fcmp(dbgi, block, new_op1, new_op2, cmp_mode);
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *new_op1 = be_transform_node(op1);
+ ir_node *new_op2 = be_transform_node(op2);
+ unsigned bits = get_mode_size_bits(cmp_mode);
+ if (bits == 32) {
+ return new_bd_sparc_fcmp_s(dbgi, block, new_op1, new_op2, cmp_mode);
+ } else if (bits == 64) {
+ return new_bd_sparc_fcmp_d(dbgi, block, new_op1, new_op2, cmp_mode);
+ } else {
+ assert(bits == 128);
+ return new_bd_sparc_fcmp_q(dbgi, block, new_op1, new_op2, cmp_mode);
+ }
+ }
+
+ /* when we compare a bitop like and,or,... with 0 then we can directly use
+ * the bitopcc variant.
+ * Currently we only do this when we're the only user of the node...
+ */
+ if (is_Const(op2) && is_Const_null(op2) && get_irn_n_edges(op1) == 1) {
+ if (is_And(op1)) {
+ return gen_helper_bitop(op1,
+ new_bd_sparc_AndCCZero_reg,
+ new_bd_sparc_AndCCZero_imm,
+ new_bd_sparc_AndNCCZero_reg,
+ new_bd_sparc_AndNCCZero_imm,
+ MATCH_NONE);
+ } else if (is_Or(op1)) {
+ return gen_helper_bitop(op1,
+ new_bd_sparc_OrCCZero_reg,
+ new_bd_sparc_OrCCZero_imm,
+ new_bd_sparc_OrNCCZero_reg,
+ new_bd_sparc_OrNCCZero_imm,
+ MATCH_NONE);
+ } else if (is_Eor(op1)) {
+ return gen_helper_bitop(op1,
+ new_bd_sparc_XorCCZero_reg,
+ new_bd_sparc_XorCCZero_imm,
+ new_bd_sparc_XNorCCZero_reg,
+ new_bd_sparc_XNorCCZero_imm,
+ MATCH_NONE);
+ }
}
/* integer compare */
- new_op1 = gen_extension(dbgi, block, new_op1, cmp_mode);
- new_op2 = gen_extension(dbgi, block, new_op2, cmp_mode);
- return new_bd_sparc_Cmp_reg(dbgi, block, new_op1, new_op2);
+ return gen_helper_binop_args(node, op1, op2, MATCH_NONE,
+ new_bd_sparc_Cmp_reg, new_bd_sparc_Cmp_imm);
}
/**
*/
static ir_node *gen_SymConst(ir_node *node)
{
- ir_entity *entity = get_SymConst_entity(node);
- dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_entity *entity = get_SymConst_entity(node);
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = get_nodes_block(node);
+ ir_node *new_block = be_transform_node(block);
+ return make_address(dbgi, new_block, entity, 0);
+}
- return make_addr(dbgi, entity);
+static ir_node *create_fftof(dbg_info *dbgi, ir_node *block, ir_node *op,
+ ir_mode *src_mode, ir_mode *dst_mode)
+{
+ unsigned src_bits = get_mode_size_bits(src_mode);
+ unsigned dst_bits = get_mode_size_bits(dst_mode);
+ if (src_bits == 32) {
+ if (dst_bits == 64) {
+ return new_bd_sparc_fftof_s_d(dbgi, block, op, src_mode, dst_mode);
+ } else {
+ assert(dst_bits == 128);
+ return new_bd_sparc_fftof_s_q(dbgi, block, op, src_mode, dst_mode);
+ }
+ } else if (src_bits == 64) {
+ if (dst_bits == 32) {
+ return new_bd_sparc_fftof_d_s(dbgi, block, op, src_mode, dst_mode);
+ } else {
+ assert(dst_bits == 128);
+ return new_bd_sparc_fftof_d_q(dbgi, block, op, src_mode, dst_mode);
+ }
+ } else {
+ assert(src_bits == 128);
+ if (dst_bits == 32) {
+ return new_bd_sparc_fftof_q_s(dbgi, block, op, src_mode, dst_mode);
+ } else {
+ assert(dst_bits == 64);
+ return new_bd_sparc_fftof_q_d(dbgi, block, op, src_mode, dst_mode);
+ }
+ }
+}
+
+static ir_node *create_ftoi(dbg_info *dbgi, ir_node *block, ir_node *op,
+ ir_mode *src_mode)
+{
+ ir_node *ftoi;
+ unsigned bits = get_mode_size_bits(src_mode);
+ if (bits == 32) {
+ ftoi = new_bd_sparc_fftoi_s(dbgi, block, op, src_mode);
+ } else if (bits == 64) {
+ ftoi = new_bd_sparc_fftoi_d(dbgi, block, op, src_mode);
+ } else {
+ assert(bits == 128);
+ ftoi = new_bd_sparc_fftoi_q(dbgi, block, op, src_mode);
+ }
+
+ {
+ ir_graph *irg = get_irn_irg(block);
+ ir_node *sp = get_irg_frame(irg);
+ ir_node *nomem = get_irg_no_mem(irg);
+ ir_node *stf = create_stf(dbgi, block, ftoi, sp, nomem, src_mode,
+ NULL, 0, true);
+ ir_node *ld = new_bd_sparc_Ld_imm(dbgi, block, sp, stf, mode_gp,
+ NULL, 0, true);
+ ir_node *res = new_r_Proj(ld, mode_gp, pn_sparc_Ld_res);
+ set_irn_pinned(stf, op_pin_state_floats);
+ set_irn_pinned(ld, op_pin_state_floats);
+ return res;
+ }
+}
+
+static ir_node *create_itof(dbg_info *dbgi, ir_node *block, ir_node *op,
+ ir_mode *dst_mode)
+{
+ ir_graph *irg = get_irn_irg(block);
+ ir_node *sp = get_irg_frame(irg);
+ ir_node *nomem = get_irg_no_mem(irg);
+ ir_node *st = new_bd_sparc_St_imm(dbgi, block, op, sp, nomem,
+ mode_gp, NULL, 0, true);
+ ir_node *ldf = new_bd_sparc_Ldf_s(dbgi, block, sp, st, mode_fp,
+ NULL, 0, true);
+ ir_node *res = new_r_Proj(ldf, mode_fp, pn_sparc_Ldf_res);
+ unsigned bits = get_mode_size_bits(dst_mode);
+ set_irn_pinned(st, op_pin_state_floats);
+ set_irn_pinned(ldf, op_pin_state_floats);
+
+ if (bits == 32) {
+ return new_bd_sparc_fitof_s(dbgi, block, res, dst_mode);
+ } else if (bits == 64) {
+ return new_bd_sparc_fitof_d(dbgi, block, res, dst_mode);
+ } else {
+ assert(bits == 128);
+ return new_bd_sparc_fitof_q(dbgi, block, res, dst_mode);
+ }
}
-/**
- * Transforms a Conv node.
- *
- */
static ir_node *gen_Conv(ir_node *node)
{
ir_node *block = be_transform_node(get_nodes_block(node));
ir_node *op = get_Conv_op(node);
- ir_node *new_op = be_transform_node(op);
ir_mode *src_mode = get_irn_mode(op);
ir_mode *dst_mode = get_irn_mode(node);
- dbg_info *dbg = get_irn_dbg_info(node);
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *new_op;
int src_bits = get_mode_size_bits(src_mode);
int dst_bits = get_mode_size_bits(dst_mode);
+ if (src_mode == mode_b)
+ panic("ConvB not lowered %+F", node);
+
+ new_op = be_transform_node(op);
if (src_mode == dst_mode)
return new_op;
if (mode_is_float(src_mode)) {
if (mode_is_float(dst_mode)) {
/* float -> float conv */
- return new_bd_sparc_fftof(dbg, block, new_op, src_mode, dst_mode);
+ return create_fftof(dbgi, block, new_op, src_mode, dst_mode);
} else {
/* float -> int conv */
if (!mode_is_signed(dst_mode))
panic("float to unsigned not implemented yet");
- return new_bd_sparc_fftoi(dbg, block, new_op, src_mode);
+ return create_ftoi(dbgi, block, new_op, src_mode);
}
} else {
/* int -> float conv */
- if (!mode_is_signed(src_mode))
- panic("unsigned to float not implemented yet");
- return new_bd_sparc_fitof(dbg, block, new_op, dst_mode);
+ if (src_bits < 32) {
+ new_op = gen_extension(dbgi, block, new_op, src_mode);
+ } else if (src_bits == 32 && !mode_is_signed(src_mode)) {
+ panic("unsigned to float not lowered!");
+ }
+ return create_itof(dbgi, block, new_op, dst_mode);
}
+ } else if (src_mode == mode_b) {
+ panic("ConvB not lowered %+F", node);
} else { /* complete in gp registers */
int min_bits;
ir_mode *min_mode;
return new_op;
}
+ if (dst_mode == mode_b) {
+ /* mode_b lowering already took care that we only have 0/1 values */
+ return new_op;
+ }
+
if (src_bits < dst_bits) {
min_bits = src_bits;
min_mode = src_mode;
}
if (mode_is_signed(min_mode)) {
- return gen_sign_extension(dbg, block, new_op, min_bits);
+ return gen_sign_extension(dbgi, block, new_op, min_bits);
} else {
- return gen_zero_extension(dbg, block, new_op, min_bits);
+ return gen_zero_extension(dbgi, block, new_op, min_bits);
}
}
}
static ir_node *gen_Unknown(ir_node *node)
{
- ir_node *block = get_nodes_block(node);
- ir_node *new_block = be_transform_node(block);
- dbg_info *dbgi = get_irn_dbg_info(node);
-
/* just produce a 0 */
ir_mode *mode = get_irn_mode(node);
if (mode_is_float(mode)) {
- panic("FP not implemented");
- be_dep_on_frame(node);
- return node;
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ return gen_float_const(NULL, block, get_mode_null(mode));
} else if (mode_needs_gp_reg(mode)) {
- return create_const_graph_value(dbgi, new_block, 0);
+ ir_graph *irg = get_irn_irg(node);
+ return get_g0(irg);
}
panic("Unexpected Unknown mode");
}
/**
- * Produces the type which sits between the stack args and the locals on the
- * stack.
- */
-static ir_type *sparc_get_between_type(void)
-{
- static ir_type *between_type = NULL;
-
- if (between_type == NULL) {
- between_type = new_type_class(new_id_from_str("sparc_between_type"));
- set_type_size_bytes(between_type, SPARC_MIN_STACKSIZE);
- }
-
- return between_type;
-}
-
-static void create_stacklayout(ir_graph *irg)
-{
- ir_entity *entity = get_irg_entity(irg);
- ir_type *function_type = get_entity_type(entity);
- be_stack_layout_t *layout = be_get_irg_stack_layout(irg);
- ir_type *arg_type;
- int p;
- int n_params;
-
- /* calling conventions must be decided by now */
- assert(cconv != NULL);
-
- /* construct argument type */
- arg_type = new_type_struct(id_mangle_u(get_entity_ident(entity), new_id_from_chars("arg_type", 8)));
- n_params = get_method_n_params(function_type);
- for (p = 0; p < n_params; ++p) {
- reg_or_stackslot_t *param = &cconv->parameters[p];
- char buf[128];
- ident *id;
-
- if (param->type == NULL)
- continue;
-
- snprintf(buf, sizeof(buf), "param_%d", p);
- id = new_id_from_str(buf);
- param->entity = new_entity(arg_type, id, param->type);
- set_entity_offset(param->entity, param->offset);
- }
-
- memset(layout, 0, sizeof(*layout));
-
- layout->frame_type = get_irg_frame_type(irg);
- layout->between_type = sparc_get_between_type();
- layout->arg_type = arg_type;
- layout->initial_offset = 0;
- layout->initial_bias = 0;
- layout->stack_dir = -1;
- layout->sp_relative = false;
-
- assert(N_FRAME_TYPES == 3);
- layout->order[0] = layout->frame_type;
- layout->order[1] = layout->between_type;
- layout->order[2] = layout->arg_type;
-}
-
-/**
- * transform the start node to the prolog code + initial barrier
+ * transform the start node to the prolog code
*/
static ir_node *gen_Start(ir_node *node)
{
ir_node *block = get_nodes_block(node);
ir_node *new_block = be_transform_node(block);
dbg_info *dbgi = get_irn_dbg_info(node);
- ir_node *mem;
+ struct obstack *obst = be_get_be_obst(irg);
+ const arch_register_req_t *req;
+ size_t n_outs;
ir_node *start;
- ir_node *sp;
- ir_node *fp;
- ir_node *barrier;
- ir_node *save;
- int i;
-
- /* stackpointer is important at function prolog */
- be_prolog_add_reg(abihelper, sp_reg,
+ size_t i;
+ size_t o;
+
+ /* start building list of start constraints */
+ assert(obstack_object_size(obst) == 0);
+
+ /* calculate number of outputs */
+ n_outs = 4; /* memory, g0, g7, sp */
+ if (!current_cconv->omit_fp)
+ ++n_outs; /* framepointer */
+ /* function parameters */
+ n_outs += current_cconv->n_param_regs;
+ /* callee saves */
+ if (current_cconv->omit_fp) {
+ n_outs += ARRAY_SIZE(omit_fp_callee_saves);
+ }
+
+ start = new_bd_sparc_Start(dbgi, new_block, n_outs);
+
+ o = 0;
+
+ /* first output is memory */
+ start_mem_offset = o;
+ arch_set_irn_register_req_out(start, o, arch_no_register_req);
+ ++o;
+
+ /* the zero register */
+ start_g0_offset = o;
+ req = be_create_reg_req(obst, &sparc_registers[REG_G0],
+ arch_register_req_type_ignore);
+ arch_set_irn_register_req_out(start, o, req);
+ arch_set_irn_register_out(start, o, &sparc_registers[REG_G0]);
+ ++o;
+
+ /* g7 is used for TLS data */
+ start_g7_offset = o;
+ req = be_create_reg_req(obst, &sparc_registers[REG_G7],
+ arch_register_req_type_ignore);
+ arch_set_irn_register_req_out(start, o, req);
+ arch_set_irn_register_out(start, o, &sparc_registers[REG_G7]);
+ ++o;
+
+ /* we need an output for the stackpointer */
+ start_sp_offset = o;
+ req = be_create_reg_req(obst, sp_reg,
arch_register_req_type_produces_sp | arch_register_req_type_ignore);
+ arch_set_irn_register_req_out(start, o, req);
+ arch_set_irn_register_out(start, o, sp_reg);
+ ++o;
+
+ if (!current_cconv->omit_fp) {
+ start_fp_offset = o;
+ req = be_create_reg_req(obst, fp_reg, arch_register_req_type_ignore);
+ arch_set_irn_register_req_out(start, o, req);
+ arch_set_irn_register_out(start, o, fp_reg);
+ ++o;
+ }
+
/* function parameters in registers */
+ start_params_offset = o;
for (i = 0; i < get_method_n_params(function_type); ++i) {
- const reg_or_stackslot_t *param = &cconv->parameters[i];
- if (param->reg0 != NULL)
- be_prolog_add_reg(abihelper, param->reg0, 0);
- if (param->reg1 != NULL)
- be_prolog_add_reg(abihelper, param->reg1, 0);
+ const reg_or_stackslot_t *param = ¤t_cconv->parameters[i];
+ const arch_register_t *reg0 = param->reg0;
+ const arch_register_t *reg1 = param->reg1;
+ if (reg0 != NULL) {
+ arch_set_irn_register_req_out(start, o, reg0->single_req);
+ arch_set_irn_register_out(start, o, reg0);
+ ++o;
+ }
+ if (reg1 != NULL) {
+ arch_set_irn_register_req_out(start, o, reg1->single_req);
+ arch_set_irn_register_out(start, o, reg1);
+ ++o;
+ }
}
+ /* we need the values of the callee saves (Note: non omit-fp mode has no
+ * callee saves) */
+ start_callee_saves_offset = o;
+ if (current_cconv->omit_fp) {
+ size_t n_callee_saves = ARRAY_SIZE(omit_fp_callee_saves);
+ size_t c;
+ for (c = 0; c < n_callee_saves; ++c) {
+ const arch_register_t *reg = omit_fp_callee_saves[c];
+ arch_set_irn_register_req_out(start, o, reg->single_req);
+ arch_set_irn_register_out(start, o, reg);
+ ++o;
+ }
+ }
+ assert(n_outs == o);
- start = be_prolog_create_start(abihelper, dbgi, new_block);
-
- mem = be_prolog_get_memory(abihelper);
- sp = be_prolog_get_reg_value(abihelper, sp_reg);
- save = new_bd_sparc_Save(NULL, block, sp, mem, SPARC_MIN_STACKSIZE);
- fp = new_r_Proj(save, mode_gp, pn_sparc_Save_frame);
- sp = new_r_Proj(save, mode_gp, pn_sparc_Save_stack);
- mem = new_r_Proj(save, mode_M, pn_sparc_Save_mem);
- arch_set_irn_register(fp, fp_reg);
- arch_set_irn_register(sp, sp_reg);
-
- be_prolog_add_reg(abihelper, fp_reg, arch_register_req_type_ignore);
- be_prolog_set_reg_value(abihelper, fp_reg, fp);
+ return start;
+}
- sp = be_new_IncSP(sp_reg, new_block, sp, BE_STACK_FRAME_SIZE_EXPAND, 0);
- be_prolog_set_reg_value(abihelper, sp_reg, sp);
- be_prolog_set_memory(abihelper, mem);
+static ir_node *get_initial_sp(ir_graph *irg)
+{
+ if (start_sp == NULL) {
+ ir_node *start = get_irg_start(irg);
+ start_sp = new_r_Proj(start, mode_gp, start_sp_offset);
+ }
+ return start_sp;
+}
- barrier = be_prolog_create_barrier(abihelper, new_block);
+static ir_node *get_initial_fp(ir_graph *irg)
+{
+ if (start_fp == NULL) {
+ ir_node *start = get_irg_start(irg);
+ start_fp = new_r_Proj(start, mode_gp, start_fp_offset);
+ }
+ return start_fp;
+}
- return barrier;
+static ir_node *get_initial_mem(ir_graph *irg)
+{
+ if (start_mem == NULL) {
+ ir_node *start = get_irg_start(irg);
+ start_mem = new_r_Proj(start, mode_M, start_mem_offset);
+ }
+ return start_mem;
}
static ir_node *get_stack_pointer_for(ir_node *node)
{
/* get predecessor in stack_order list */
- ir_node *stack_pred = be_get_stack_pred(abihelper, node);
- ir_node *stack_pred_transformed;
+ ir_node *stack_pred = be_get_stack_pred(stackorder, node);
ir_node *stack;
if (stack_pred == NULL) {
/* first stack user in the current block. We can simply use the
* initial sp_proj for it */
- ir_node *sp_proj = be_prolog_get_reg_value(abihelper, sp_reg);
- return sp_proj;
+ ir_graph *irg = get_irn_irg(node);
+ return get_initial_sp(irg);
}
- stack_pred_transformed = be_transform_node(stack_pred);
- stack = pmap_get(node_to_stack, stack_pred);
+ be_transform_node(stack_pred);
+ stack = (ir_node*)pmap_get(node_to_stack, stack_pred);
if (stack == NULL) {
return get_stack_pointer_for(stack_pred);
}
*/
static ir_node *gen_Return(ir_node *node)
{
- ir_node *block = get_nodes_block(node);
- ir_node *new_block = be_transform_node(block);
- dbg_info *dbgi = get_irn_dbg_info(node);
- ir_node *mem = get_Return_mem(node);
- ir_node *new_mem = be_transform_node(mem);
- ir_node *sp_proj = get_stack_pointer_for(node);
- int n_res = get_Return_n_ress(node);
+ ir_node *block = get_nodes_block(node);
+ ir_graph *irg = get_irn_irg(node);
+ ir_node *new_block = be_transform_node(block);
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *mem = get_Return_mem(node);
+ ir_node *new_mem = be_transform_node(mem);
+ ir_node *sp = get_stack_pointer_for(node);
+ size_t n_res = get_Return_n_ress(node);
+ struct obstack *be_obst = be_get_be_obst(irg);
ir_node *bereturn;
- ir_node *incsp;
- int i;
+ ir_node **in;
+ const arch_register_req_t **reqs;
+ size_t i;
+ size_t p;
+ size_t n_ins;
+
+ /* estimate number of return values */
+ n_ins = 2 + n_res; /* memory + stackpointer, return values */
+ if (current_cconv->omit_fp)
+ n_ins += ARRAY_SIZE(omit_fp_callee_saves);
+
+ in = ALLOCAN(ir_node*, n_ins);
+ reqs = OALLOCN(be_obst, const arch_register_req_t*, n_ins);
+ p = 0;
+
+ in[p] = new_mem;
+ reqs[p] = arch_no_register_req;
+ ++p;
- be_epilog_begin(abihelper);
- be_epilog_set_memory(abihelper, new_mem);
- /* connect stack pointer with initial stack pointer. fix_stack phase
- will later serialize all stack pointer adjusting nodes */
- be_epilog_add_reg(abihelper, sp_reg,
- arch_register_req_type_produces_sp | arch_register_req_type_ignore,
- sp_proj);
+ in[p] = sp;
+ reqs[p] = sp_reg->single_req;
+ ++p;
/* result values */
for (i = 0; i < n_res; ++i) {
ir_node *res_value = get_Return_res(node, i);
ir_node *new_res_value = be_transform_node(res_value);
- const reg_or_stackslot_t *slot = &cconv->results[i];
- const arch_register_t *reg = slot->reg0;
- assert(slot->reg1 == NULL);
- be_epilog_add_reg(abihelper, reg, 0, new_res_value);
+ const reg_or_stackslot_t *slot = ¤t_cconv->results[i];
+ assert(slot->req1 == NULL);
+ in[p] = new_res_value;
+ reqs[p] = slot->req0;
+ ++p;
}
+ /* callee saves */
+ if (current_cconv->omit_fp) {
+ ir_node *start = get_irg_start(irg);
+ size_t n_callee_saves = ARRAY_SIZE(omit_fp_callee_saves);
+ for (i = 0; i < n_callee_saves; ++i) {
+ const arch_register_t *reg = omit_fp_callee_saves[i];
+ ir_mode *mode = reg->reg_class->mode;
+ ir_node *value
+ = new_r_Proj(start, mode, i + start_callee_saves_offset);
+ in[p] = value;
+ reqs[p] = reg->single_req;
+ ++p;
+ }
+ }
+ assert(p == n_ins);
- /* create the barrier before the epilog code */
- be_epilog_create_barrier(abihelper, new_block);
-
- /* epilog code: an incsp */
- sp_proj = be_epilog_get_reg_value(abihelper, sp_reg);
- incsp = be_new_IncSP(sp_reg, new_block, sp_proj,
- BE_STACK_FRAME_SIZE_SHRINK, 0);
- be_epilog_set_reg_value(abihelper, sp_reg, incsp);
-
- bereturn = be_epilog_create_return(abihelper, dbgi, new_block);
+ bereturn = new_bd_sparc_Return_reg(dbgi, new_block, n_ins, in);
+ arch_set_irn_register_reqs_in(bereturn, reqs);
return bereturn;
}
static ir_node *bitcast_int_to_float(dbg_info *dbgi, ir_node *block,
- ir_node *node)
+ ir_node *value0, ir_node *value1)
{
ir_graph *irg = current_ir_graph;
- ir_node *stack = get_irg_frame(irg);
- ir_node *nomem = new_NoMem();
- ir_node *st = new_bd_sparc_St(dbgi, block, stack, node, nomem, mode_gp,
- NULL, 0, 0, true);
+ ir_node *sp = get_irg_frame(irg);
+ ir_node *nomem = get_irg_no_mem(irg);
+ ir_node *st = new_bd_sparc_St_imm(dbgi, block, value0, sp, nomem,
+ mode_gp, NULL, 0, true);
+ ir_mode *mode;
ir_node *ldf;
+ ir_node *mem;
set_irn_pinned(st, op_pin_state_floats);
- ldf = new_bd_sparc_Ldf(dbgi, block, stack, st, mode_fp, NULL, 0, 0, true);
+ if (value1 != NULL) {
+ ir_node *st1 = new_bd_sparc_St_imm(dbgi, block, value1, sp, nomem,
+ mode_gp, NULL, 4, true);
+ ir_node *in[2] = { st, st1 };
+ ir_node *sync = new_r_Sync(block, 2, in);
+ set_irn_pinned(st1, op_pin_state_floats);
+ mem = sync;
+ mode = mode_fp2;
+ } else {
+ mem = st;
+ mode = mode_fp;
+ }
+
+ ldf = create_ldf(dbgi, block, sp, mem, mode, NULL, 0, true);
set_irn_pinned(ldf, op_pin_state_floats);
- return new_Proj(ldf, mode_fp, pn_sparc_Ldf_res);
+ return new_r_Proj(ldf, mode, pn_sparc_Ldf_res);
}
-static ir_node *bitcast_float_to_int(dbg_info *dbgi, ir_node *block,
- ir_node *node)
+static void bitcast_float_to_int(dbg_info *dbgi, ir_node *block,
+ ir_node *node, ir_mode *float_mode,
+ ir_node **result)
{
ir_graph *irg = current_ir_graph;
ir_node *stack = get_irg_frame(irg);
- ir_node *nomem = new_NoMem();
- ir_node *stf = new_bd_sparc_Stf(dbgi, block, stack, node, nomem, mode_fp,
- NULL, 0, 0, true);
+ ir_node *nomem = get_irg_no_mem(irg);
+ ir_node *stf = create_stf(dbgi, block, node, stack, nomem, float_mode,
+ NULL, 0, true);
+ int bits = get_mode_size_bits(float_mode);
ir_node *ld;
set_irn_pinned(stf, op_pin_state_floats);
- ld = new_bd_sparc_Ld(dbgi, block, stack, stf, mode_gp, NULL, 0, 0, true);
+ ld = new_bd_sparc_Ld_imm(dbgi, block, stack, stf, mode_gp, NULL, 0, true);
set_irn_pinned(ld, op_pin_state_floats);
+ result[0] = new_r_Proj(ld, mode_gp, pn_sparc_Ld_res);
- return new_Proj(ld, mode_fp, pn_sparc_Ld_res);
+ if (bits == 64) {
+ ir_node *ld2 = new_bd_sparc_Ld_imm(dbgi, block, stack, stf, mode_gp,
+ NULL, 4, true);
+ set_irn_pinned(ld, op_pin_state_floats);
+ result[1] = new_r_Proj(ld2, mode_gp, pn_sparc_Ld_res);
+
+ arch_add_irn_flags(ld, (arch_irn_flags_t)sparc_arch_irn_flag_needs_64bit_spillslot);
+ arch_add_irn_flags(ld2, (arch_irn_flags_t)sparc_arch_irn_flag_needs_64bit_spillslot);
+ } else {
+ assert(bits == 32);
+ result[1] = NULL;
+ }
}
static ir_node *gen_Call(ir_node *node)
ir_node *new_mem = be_transform_node(mem);
dbg_info *dbgi = get_irn_dbg_info(node);
ir_type *type = get_Call_type(node);
- int n_params = get_Call_n_params(node);
- int n_param_regs = sizeof(param_regs)/sizeof(param_regs[0]);
+ size_t n_params = get_Call_n_params(node);
+ size_t n_ress = get_method_n_ress(type);
/* max inputs: memory, callee, register arguments */
- int max_inputs = 2 + n_param_regs;
- ir_node **in = ALLOCAN(ir_node*, max_inputs);
- ir_node **sync_ins = ALLOCAN(ir_node*, max_inputs);
+ ir_node **sync_ins = ALLOCAN(ir_node*, n_params);
struct obstack *obst = be_get_be_obst(irg);
+ calling_convention_t *cconv
+ = sparc_decide_calling_convention(type, NULL);
+ size_t n_param_regs = cconv->n_param_regs;
+ /* param-regs + mem + stackpointer + callee */
+ unsigned max_inputs = 3 + n_param_regs;
+ ir_node **in = ALLOCAN(ir_node*, max_inputs);
const arch_register_req_t **in_req
= OALLOCNZ(obst, const arch_register_req_t*, max_inputs);
- calling_convention_t *cconv
- = sparc_decide_calling_convention(type, true);
int in_arity = 0;
int sync_arity = 0;
int n_caller_saves
- = sizeof(caller_saves)/sizeof(caller_saves[0]);
+ = rbitset_popcount(cconv->caller_saves, N_SPARC_REGISTERS);
ir_entity *entity = NULL;
ir_node *new_frame = get_stack_pointer_for(node);
+ bool aggregate_return
+ = get_method_calling_convention(type) & cc_compound_ret;
ir_node *incsp;
int mem_pos;
ir_node *res;
- int p;
+ size_t p;
+ size_t r;
int i;
int o;
int out_arity;
for (p = 0; p < n_params; ++p) {
ir_node *value = get_Call_param(node, p);
ir_node *new_value = be_transform_node(value);
- ir_node *new_value1 = NULL;
const reg_or_stackslot_t *param = &cconv->parameters[p];
ir_type *param_type = get_method_param_type(type, p);
ir_mode *mode = get_type_mode(param_type);
+ ir_node *new_values[2];
ir_node *str;
+ int offset;
if (mode_is_float(mode) && param->reg0 != NULL) {
unsigned size_bits = get_mode_size_bits(mode);
- assert(size_bits == 32);
- new_value = bitcast_float_to_int(dbgi, new_block, new_value);
+ assert(size_bits <= 64);
+ bitcast_float_to_int(dbgi, new_block, new_value, mode, new_values);
+ } else {
+ new_values[0] = new_value;
+ new_values[1] = NULL;
}
/* put value into registers */
if (param->reg0 != NULL) {
- in[in_arity] = new_value;
+ in[in_arity] = new_values[0];
in_req[in_arity] = param->reg0->single_req;
++in_arity;
- if (new_value1 == NULL)
+ if (new_values[1] == NULL)
continue;
}
if (param->reg1 != NULL) {
- assert(new_value1 != NULL);
- in[in_arity] = new_value1;
+ assert(new_values[1] != NULL);
+ in[in_arity] = new_values[1];
in_req[in_arity] = param->reg1->single_req;
++in_arity;
continue;
}
/* we need a store if we're here */
- if (new_value1 != NULL) {
- new_value = new_value1;
+ if (new_values[1] != NULL) {
+ new_value = new_values[1];
mode = mode_gp;
}
- /* create a parameter frame if necessary */
+ /* we need to skip over our save area when constructing the call
+ * arguments on stack */
+ offset = param->offset + SPARC_MIN_STACKSIZE;
+
if (mode_is_float(mode)) {
- str = new_bd_sparc_Stf(dbgi, new_block, incsp, new_value, new_mem,
- mode, NULL, 0, param->offset, true);
+ str = create_stf(dbgi, new_block, new_value, incsp, new_mem,
+ mode, NULL, offset, true);
} else {
- str = new_bd_sparc_St(dbgi, new_block, incsp, new_value, new_mem,
- mode, NULL, 0, param->offset, true);
+ str = new_bd_sparc_St_imm(dbgi, new_block, new_value, incsp,
+ new_mem, mode, NULL, offset, true);
}
+ set_irn_pinned(str, op_pin_state_floats);
sync_ins[sync_arity++] = str;
}
- assert(in_arity <= max_inputs);
/* construct memory input */
if (sync_arity == 0) {
in_req[in_arity] = sparc_reg_classes[CLASS_sparc_gp].class_req;
++in_arity;
}
+ assert(in_arity <= (int)max_inputs);
/* outputs:
* - memory
+ * - results
* - caller saves
*/
- out_arity = 1 + n_caller_saves;
+ out_arity = 1 + cconv->n_reg_results + n_caller_saves;
/* create call node */
if (entity != NULL) {
res = new_bd_sparc_Call_imm(dbgi, new_block, in_arity, in, out_arity,
- entity, 0);
+ entity, 0, aggregate_return);
} else {
- res = new_bd_sparc_Call_reg(dbgi, new_block, in_arity, in, out_arity);
+ res = new_bd_sparc_Call_reg(dbgi, new_block, in_arity, in, out_arity,
+ aggregate_return);
}
- set_sparc_in_req_all(res, in_req);
+ arch_set_irn_register_reqs_in(res, in_req);
/* create output register reqs */
o = 0;
- arch_set_out_register_req(res, o++, arch_no_register_req);
- for (i = 0; i < n_caller_saves; ++i) {
- const arch_register_t *reg = caller_saves[i];
- arch_set_out_register_req(res, o++, reg->single_req);
+ arch_set_irn_register_req_out(res, o++, arch_no_register_req);
+ /* add register requirements for the result regs */
+ for (r = 0; r < n_ress; ++r) {
+ const reg_or_stackslot_t *result_info = &cconv->results[r];
+ const arch_register_req_t *req = result_info->req0;
+ if (req != NULL) {
+ arch_set_irn_register_req_out(res, o++, req);
+ }
+ assert(result_info->req1 == NULL);
+ }
+ for (i = 0; i < N_SPARC_REGISTERS; ++i) {
+ const arch_register_t *reg;
+ if (!rbitset_is_set(cconv->caller_saves, i))
+ continue;
+ reg = &sparc_registers[i];
+ arch_set_irn_register_req_out(res, o++, reg->single_req);
}
assert(o == out_arity);
/* must be the frame pointer all other sels must have been lowered
* already */
assert(is_Proj(ptr) && is_Start(get_Proj_pred(ptr)));
- /* we should not have value types from parameters anymore - they should be
- lowered */
- assert(get_entity_owner(entity) !=
- get_method_value_param_type(get_entity_type(get_irg_entity(get_irn_irg(node)))));
- return new_bd_sparc_FrameAddr(dbgi, new_block, new_ptr, entity);
+ return new_bd_sparc_FrameAddr(dbgi, new_block, new_ptr, entity, 0);
+}
+
+static ir_node *gen_Alloc(ir_node *node)
+{
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = get_nodes_block(node);
+ ir_node *new_block = be_transform_node(block);
+ ir_type *type = get_Alloc_type(node);
+ ir_node *size = get_Alloc_count(node);
+ ir_node *stack_pred = get_stack_pointer_for(node);
+ ir_node *subsp;
+ if (get_Alloc_where(node) != stack_alloc)
+ panic("only stack-alloc supported in sparc backend (at %+F)", node);
+ /* lowerer should have transformed all allocas to byte size */
+ if (type != get_unknown_type() && get_type_size_bytes(type) != 1)
+ panic("Found non-byte alloc in sparc backend (at %+F)", node);
+
+ if (is_Const(size)) {
+ ir_tarval *tv = get_Const_tarval(size);
+ long sizel = get_tarval_long(tv);
+ subsp = be_new_IncSP(sp_reg, new_block, stack_pred, sizel, 0);
+ set_irn_dbg_info(subsp, dbgi);
+ } else {
+ ir_node *new_size = be_transform_node(size);
+ subsp = new_bd_sparc_SubSP(dbgi, new_block, stack_pred, new_size);
+ arch_set_irn_register(subsp, sp_reg);
+ }
+
+ /* if we are the last IncSP producer in a block then we have to keep
+ * the stack value.
+ * Note: This here keeps all producers which is more than necessary */
+ keep_alive(subsp);
+
+ pmap_insert(node_to_stack, node, subsp);
+ /* the "result" is the unmodified sp value */
+ return stack_pred;
+}
+
+static ir_node *gen_Proj_Alloc(ir_node *node)
+{
+ ir_node *alloc = get_Proj_pred(node);
+ long pn = get_Proj_proj(node);
+
+ switch ((pn_Alloc)pn) {
+ case pn_Alloc_M: {
+ ir_node *alloc_mem = get_Alloc_mem(alloc);
+ return be_transform_node(alloc_mem);
+ }
+ case pn_Alloc_res: {
+ ir_node *new_alloc = be_transform_node(alloc);
+ return new_alloc;
+ }
+ case pn_Alloc_X_regular:
+ case pn_Alloc_X_except:
+ panic("sparc backend: exception output of alloc not supported (at %+F)",
+ node);
+ }
+ panic("sparc backend: invalid Proj->Alloc");
+}
+
+static ir_node *gen_Free(ir_node *node)
+{
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = get_nodes_block(node);
+ ir_node *new_block = be_transform_node(block);
+ ir_type *type = get_Free_type(node);
+ ir_node *size = get_Free_count(node);
+ ir_node *mem = get_Free_mem(node);
+ ir_node *new_mem = be_transform_node(mem);
+ ir_node *stack_pred = get_stack_pointer_for(node);
+ ir_node *addsp;
+ if (get_Alloc_where(node) != stack_alloc)
+ panic("only stack-alloc supported in sparc backend (at %+F)", node);
+ /* lowerer should have transformed all allocas to byte size */
+ if (type != get_unknown_type() && get_type_size_bytes(type) != 1)
+ panic("Found non-byte alloc in sparc backend (at %+F)", node);
+
+ if (is_Const(size)) {
+ ir_tarval *tv = get_Const_tarval(size);
+ long sizel = get_tarval_long(tv);
+ addsp = be_new_IncSP(sp_reg, new_block, stack_pred, -sizel, 0);
+ set_irn_dbg_info(addsp, dbgi);
+ } else {
+ ir_node *new_size = be_transform_node(size);
+ addsp = new_bd_sparc_AddSP(dbgi, new_block, stack_pred, new_size);
+ arch_set_irn_register(addsp, sp_reg);
+ }
+
+ /* if we are the last IncSP producer in a block then we have to keep
+ * the stack value.
+ * Note: This here keeps all producers which is more than necessary */
+ keep_alive(addsp);
+
+ pmap_insert(node_to_stack, node, addsp);
+ /* the "result" is the unmodified sp value */
+ return new_mem;
+}
+
+static const arch_register_req_t float1_req = {
+ arch_register_req_type_normal,
+ &sparc_reg_classes[CLASS_sparc_fp],
+ NULL,
+ 0,
+ 0,
+ 1
+};
+static const arch_register_req_t float2_req = {
+ arch_register_req_type_normal | arch_register_req_type_aligned,
+ &sparc_reg_classes[CLASS_sparc_fp],
+ NULL,
+ 0,
+ 0,
+ 2
+};
+static const arch_register_req_t float4_req = {
+ arch_register_req_type_normal | arch_register_req_type_aligned,
+ &sparc_reg_classes[CLASS_sparc_fp],
+ NULL,
+ 0,
+ 0,
+ 4
+};
+
+
+static const arch_register_req_t *get_float_req(ir_mode *mode)
+{
+ unsigned bits = get_mode_size_bits(mode);
+
+ assert(mode_is_float(mode));
+ if (bits == 32) {
+ return &float1_req;
+ } else if (bits == 64) {
+ return &float2_req;
+ } else {
+ assert(bits == 128);
+ return &float4_req;
+ }
}
/**
/* all integer operations are on 32bit registers now */
mode = mode_gp;
req = sparc_reg_classes[CLASS_sparc_gp].class_req;
+ } else if (mode_is_float(mode)) {
+ mode = mode;
+ req = get_float_req(mode);
} else {
req = arch_no_register_req;
}
phi = new_ir_node(dbgi, irg, block, op_Phi, mode, get_irn_arity(node), get_irn_in(node) + 1);
copy_node_attr(irg, node, phi);
be_duplicate_deps(node, phi);
- arch_set_out_register_req(phi, 0, req);
+ arch_set_irn_register_req_out(phi, 0, req);
be_enqueue_preds(node);
return phi;
}
break;
case iro_sparc_Ldf:
if (pn == pn_Load_res) {
- return new_rd_Proj(dbgi, new_load, mode_fp, pn_sparc_Ldf_res);
+ const sparc_load_store_attr_t *attr
+ = get_sparc_load_store_attr_const(new_load);
+ ir_mode *mode = attr->load_store_mode;
+ return new_rd_Proj(dbgi, new_load, mode, pn_sparc_Ldf_res);
} else if (pn == pn_Load_M) {
return new_rd_Proj(dbgi, new_load, mode_M, pn_sparc_Ld_M);
}
ir_node *pred = get_Proj_pred(node);
ir_node *new_pred = be_transform_node(pred);
long pn = get_Proj_proj(node);
+ ir_mode *res_mode;
- assert(is_sparc_SDiv(new_pred) || is_sparc_UDiv(new_pred));
- assert(pn_sparc_SDiv_res == pn_sparc_UDiv_res);
- assert(pn_sparc_SDiv_M == pn_sparc_UDiv_M);
+ if (is_sparc_SDiv(new_pred) || is_sparc_UDiv(new_pred)) {
+ res_mode = mode_gp;
+ } else if (is_sparc_fdiv(new_pred)) {
+ res_mode = get_Div_resmode(pred);
+ } else {
+ panic("sparc backend: Div transformed to something unexpected: %+F",
+ new_pred);
+ }
+ assert((int)pn_sparc_SDiv_res == (int)pn_sparc_UDiv_res);
+ assert((int)pn_sparc_SDiv_M == (int)pn_sparc_UDiv_M);
+ assert((int)pn_sparc_SDiv_res == (int)pn_sparc_fdiv_res);
+ assert((int)pn_sparc_SDiv_M == (int)pn_sparc_fdiv_M);
switch (pn) {
case pn_Div_res:
- return new_r_Proj(new_pred, mode_gp, pn_sparc_SDiv_res);
+ return new_r_Proj(new_pred, res_mode, pn_sparc_SDiv_res);
case pn_Div_M:
return new_r_Proj(new_pred, mode_gp, pn_sparc_SDiv_M);
default:
panic("Unsupported Proj from Div");
}
-static ir_node *gen_Proj_Quot(ir_node *node)
+static ir_node *get_frame_base(ir_graph *irg)
{
- ir_node *pred = get_Proj_pred(node);
- ir_node *new_pred = be_transform_node(pred);
- long pn = get_Proj_proj(node);
-
- assert(is_sparc_fdiv(new_pred));
- switch (pn) {
- case pn_Quot_res:
- return new_r_Proj(new_pred, mode_gp, pn_sparc_fdiv_res);
- case pn_Quot_M:
- return new_r_Proj(new_pred, mode_gp, pn_sparc_fdiv_M);
- default:
- break;
+ if (frame_base == NULL) {
+ if (current_cconv->omit_fp) {
+ frame_base = get_initial_sp(irg);
+ } else {
+ frame_base = get_initial_fp(irg);
+ }
}
- panic("Unsupported Proj from Quot");
+ return frame_base;
}
static ir_node *gen_Proj_Start(ir_node *node)
{
ir_node *block = get_nodes_block(node);
ir_node *new_block = be_transform_node(block);
- ir_node *barrier = be_transform_node(get_Proj_pred(node));
long pn = get_Proj_proj(node);
+ /* make sure prolog is constructed */
+ be_transform_node(get_Proj_pred(node));
switch ((pn_Start) pn) {
case pn_Start_X_initial_exec:
/* exchange ProjX with a jump */
return new_bd_sparc_Ba(NULL, new_block);
- case pn_Start_M:
- return new_r_Proj(barrier, mode_M, 0);
+ case pn_Start_M: {
+ ir_graph *irg = get_irn_irg(node);
+ return get_initial_mem(irg);
+ }
case pn_Start_T_args:
- return barrier;
+ return new_r_Bad(get_irn_irg(block), mode_T);
case pn_Start_P_frame_base:
- return be_prolog_get_reg_value(abihelper, fp_reg);
- case pn_Start_P_tls:
- return new_Bad();
- case pn_Start_max:
- break;
+ return get_frame_base(get_irn_irg(block));
}
panic("Unexpected start proj: %ld\n", pn);
}
static ir_node *gen_Proj_Proj_Start(ir_node *node)
{
- long pn = get_Proj_proj(node);
- ir_node *block = get_nodes_block(node);
- ir_node *new_block = be_transform_node(block);
- ir_entity *entity = get_irg_entity(current_ir_graph);
- ir_type *method_type = get_entity_type(entity);
- ir_type *param_type = get_method_param_type(method_type, pn);
+ long pn = get_Proj_proj(node);
+ ir_node *block = get_nodes_block(node);
+ ir_graph *irg = get_irn_irg(node);
+ ir_node *new_block = be_transform_node(block);
+ ir_node *args = get_Proj_pred(node);
+ ir_node *start = get_Proj_pred(args);
+ ir_node *new_start = be_transform_node(start);
const reg_or_stackslot_t *param;
/* Proj->Proj->Start must be a method argument */
assert(get_Proj_proj(get_Proj_pred(node)) == pn_Start_T_args);
- param = &cconv->parameters[pn];
+ param = ¤t_cconv->parameters[pn];
if (param->reg0 != NULL) {
/* argument transmitted in register */
- ir_mode *mode = get_type_mode(param_type);
- const arch_register_t *reg = param->reg0;
- ir_node *value = be_prolog_get_reg_value(abihelper, reg);
+ const arch_register_t *reg = param->reg0;
+ ir_mode *reg_mode = reg->reg_class->mode;
+ long new_pn = param->reg_offset + start_params_offset;
+ ir_node *value = new_r_Proj(new_start, reg_mode, new_pn);
+ bool is_float = false;
+
+ {
+ ir_entity *entity = get_irg_entity(irg);
+ ir_type *method_type = get_entity_type(entity);
+ if (pn < (long)get_method_n_params(method_type)) {
+ ir_type *param_type = get_method_param_type(method_type, pn);
+ ir_mode *mode = get_type_mode(param_type);
+ is_float = mode_is_float(mode);
+ }
+ }
+
+ if (is_float) {
+ const arch_register_t *reg1 = param->reg1;
+ ir_node *value1 = NULL;
+
+ if (reg1 != NULL) {
+ ir_mode *reg1_mode = reg1->reg_class->mode;
+ value1 = new_r_Proj(new_start, reg1_mode, new_pn+1);
+ } else if (param->entity != NULL) {
+ ir_node *fp = get_initial_fp(irg);
+ ir_node *mem = get_initial_mem(irg);
+ ir_node *ld = new_bd_sparc_Ld_imm(NULL, new_block, fp, mem,
+ mode_gp, param->entity,
+ 0, true);
+ value1 = new_r_Proj(ld, mode_gp, pn_sparc_Ld_res);
+ }
- if (mode_is_float(mode)) {
/* convert integer value to float */
- value = bitcast_int_to_float(NULL, new_block, value);
+ value = bitcast_int_to_float(NULL, new_block, value, value1);
}
return value;
} else {
/* argument transmitted on stack */
- ir_node *fp = be_prolog_get_reg_value(abihelper, fp_reg);
- ir_node *mem = be_prolog_get_memory(abihelper);
- ir_mode *mode = get_type_mode(param->type);
- ir_node *load;
- ir_node *value;
+ ir_node *mem = get_initial_mem(irg);
+ ir_mode *mode = get_type_mode(param->type);
+ ir_node *base = get_frame_base(irg);
+ ir_node *load;
+ ir_node *value;
if (mode_is_float(mode)) {
- load = new_bd_sparc_Ldf(NULL, new_block, fp, mem, mode,
- param->entity, 0, 0, true);
+ load = create_ldf(NULL, new_block, base, mem, mode,
+ param->entity, 0, true);
value = new_r_Proj(load, mode_fp, pn_sparc_Ldf_res);
} else {
- load = new_bd_sparc_Ld(NULL, new_block, fp, mem, mode,
- param->entity, 0, 0, true);
+ load = new_bd_sparc_Ld_imm(NULL, new_block, base, mem, mode,
+ param->entity, 0, true);
value = new_r_Proj(load, mode_gp, pn_sparc_Ld_res);
}
set_irn_pinned(load, op_pin_state_floats);
case pn_Call_X_regular:
case pn_Call_X_except:
case pn_Call_T_result:
- case pn_Call_P_value_res_base:
- case pn_Call_max:
break;
}
panic("Unexpected Call proj %ld\n", pn);
}
-/**
- * Finds number of output value of a mode_T node which is constrained to
- * a single specific register.
- */
-static int find_out_for_reg(ir_node *node, const arch_register_t *reg)
-{
- int n_outs = arch_irn_get_n_outs(node);
- int o;
-
- for (o = 0; o < n_outs; ++o) {
- const arch_register_req_t *req = arch_get_out_register_req(node, o);
- if (req == reg->single_req)
- return o;
- }
- return -1;
-}
-
static ir_node *gen_Proj_Proj_Call(ir_node *node)
{
long pn = get_Proj_proj(node);
ir_node *new_call = be_transform_node(call);
ir_type *function_type = get_Call_type(call);
calling_convention_t *cconv
- = sparc_decide_calling_convention(function_type, true);
- const reg_or_stackslot_t *res = &cconv->results[pn];
- const arch_register_t *reg = res->reg0;
- ir_mode *mode;
- int regn;
+ = sparc_decide_calling_convention(function_type, NULL);
+ const reg_or_stackslot_t *res = &cconv->results[pn];
+ ir_mode *mode = get_irn_mode(node);
+ long new_pn = 1 + res->reg_offset;
- assert(res->reg0 != NULL && res->reg1 == NULL);
- regn = find_out_for_reg(new_call, reg);
- if (regn < 0) {
- panic("Internal error in calling convention for return %+F", node);
+ assert(res->req0 != NULL && res->req1 == NULL);
+ if (mode_needs_gp_reg(mode)) {
+ mode = mode_gp;
}
- mode = res->reg0->reg_class->mode;
-
sparc_free_calling_convention(cconv);
- return new_r_Proj(new_call, mode, regn);
+ return new_r_Proj(new_call, mode, new_pn);
}
/**
ir_node *pred = get_Proj_pred(node);
switch (get_irn_opcode(pred)) {
+ case iro_Alloc:
+ return gen_Proj_Alloc(node);
case iro_Store:
return gen_Proj_Store(node);
case iro_Load:
return be_duplicate_node(node);
case iro_Div:
return gen_Proj_Div(node);
- case iro_Quot:
- return gen_Proj_Quot(node);
case iro_Start:
return gen_Proj_Start(node);
case iro_Proj: {
/* FALLTHROUGH */
}
default:
+ if (is_sparc_AddCC_t(pred)) {
+ return gen_Proj_AddCC_t(node);
+ } else if (is_sparc_SubCC_t(pred)) {
+ return gen_Proj_SubCC_t(node);
+ }
panic("code selection didn't expect Proj after %+F\n", pred);
}
}
/**
* configure transformation callbacks
*/
-void sparc_register_transformers(void)
+static void sparc_register_transformers(void)
{
be_start_transform_setup();
- be_set_transform_function(op_Abs, gen_Abs);
be_set_transform_function(op_Add, gen_Add);
+ be_set_transform_function(op_Alloc, gen_Alloc);
be_set_transform_function(op_And, gen_And);
- be_set_transform_function(op_be_AddSP, gen_be_AddSP);
- be_set_transform_function(op_be_Call, gen_be_Call);
- be_set_transform_function(op_be_Copy, gen_be_Copy);
- be_set_transform_function(op_be_FrameAddr, gen_be_FrameAddr);
- be_set_transform_function(op_be_SubSP, gen_be_SubSP);
be_set_transform_function(op_Call, gen_Call);
be_set_transform_function(op_Cmp, gen_Cmp);
be_set_transform_function(op_Cond, gen_Cond);
be_set_transform_function(op_Conv, gen_Conv);
be_set_transform_function(op_Div, gen_Div);
be_set_transform_function(op_Eor, gen_Eor);
+ be_set_transform_function(op_Free, gen_Free);
be_set_transform_function(op_Jmp, gen_Jmp);
be_set_transform_function(op_Load, gen_Load);
be_set_transform_function(op_Minus, gen_Minus);
be_set_transform_function(op_Or, gen_Or);
be_set_transform_function(op_Phi, gen_Phi);
be_set_transform_function(op_Proj, gen_Proj);
- be_set_transform_function(op_Quot, gen_Quot);
be_set_transform_function(op_Return, gen_Return);
be_set_transform_function(op_Sel, gen_Sel);
be_set_transform_function(op_Shl, gen_Shl);
be_set_transform_function(op_SymConst, gen_SymConst);
be_set_transform_function(op_Unknown, gen_Unknown);
+ be_set_transform_function(op_sparc_AddX_t, gen_AddX_t);
+ be_set_transform_function(op_sparc_AddCC_t,gen_AddCC_t);
be_set_transform_function(op_sparc_Save, be_duplicate_node);
-}
-
-/* hack to avoid unused fp proj at start barrier */
-static void assure_fp_keep(void)
-{
- unsigned n_users = 0;
- const ir_edge_t *edge;
- ir_node *fp_proj = be_prolog_get_reg_value(abihelper, fp_reg);
-
- foreach_out_edge(fp_proj, edge) {
- ir_node *succ = get_edge_src_irn(edge);
- if (is_End(succ) || is_Anchor(succ))
- continue;
- ++n_users;
- }
-
- if (n_users == 0) {
- ir_node *block = get_nodes_block(fp_proj);
- ir_node *in[1] = { fp_proj };
- be_new_Keep(block, 1, in);
- }
+ be_set_transform_function(op_sparc_SubX_t, gen_SubX_t);
+ be_set_transform_function(op_sparc_SubCC_t,gen_SubCC_t);
}
/**
* Transform a Firm graph into a SPARC graph.
*/
-void sparc_transform_graph(sparc_code_gen_t *cg)
+void sparc_transform_graph(ir_graph *irg)
{
- ir_graph *irg = cg->irg;
ir_entity *entity = get_irg_entity(irg);
ir_type *frame_type;
sparc_register_transformers();
- env_cg = cg;
node_to_stack = pmap_create();
- mode_gp = mode_Iu;
- mode_fp = mode_F;
-
- abihelper = be_abihelper_prepare(irg);
- be_collect_stacknodes(abihelper);
- cconv = sparc_decide_calling_convention(get_entity_type(entity), false);
- create_stacklayout(irg);
+ mode_gp = mode_Iu;
+ mode_fp = mode_F;
+ mode_fp2 = mode_D;
+ mode_flags = mode_Bu;
+ //mode_fp4 = ?
+
+ start_mem = NULL;
+ start_g0 = NULL;
+ start_g7 = NULL;
+ start_sp = NULL;
+ start_fp = NULL;
+ frame_base = NULL;
+
+ stackorder = be_collect_stacknodes(irg);
+ current_cconv
+ = sparc_decide_calling_convention(get_entity_type(entity), irg);
+ if (sparc_variadic_fixups(irg, current_cconv)) {
+ sparc_free_calling_convention(current_cconv);
+ current_cconv
+ = sparc_decide_calling_convention(get_entity_type(entity), irg);
+ }
+ sparc_create_stacklayout(irg, current_cconv);
+ be_add_parameter_entity_stores(irg);
- be_transform_graph(cg->irg, NULL);
- assure_fp_keep();
+ be_transform_graph(irg, NULL);
- be_abihelper_finish(abihelper);
- sparc_free_calling_convention(cconv);
+ be_free_stackorder(stackorder);
+ sparc_free_calling_convention(current_cconv);
frame_type = get_irg_frame_type(irg);
if (get_type_state(frame_type) == layout_undefined)
node_to_stack = NULL;
be_add_missing_keeps(irg);
+
+ /* do code placement, to optimize the position of constants */
+ place_code(irg);
}
void sparc_init_transform(void)
projects / libfirm / blobdiff