#include "iredges.h"
#include "irvrfy.h"
#include "ircons.h"
+#include "irprintf.h"
#include "dbginfo.h"
#include "iropt_t.h"
#include "debug.h"
#include <limits.h>
+
extern ir_op *get_op_Mulh(void);
*
****************************************************************************************************/
+/** Execute ROL. */
+static unsigned do_rol(unsigned v, unsigned rol)
+{
+ return (v << rol) | (v >> (32 - rol));
+}
+
typedef struct vals_ {
- int ops;
- unsigned char values[4];
- unsigned char shifts[4];
+ int ops;
+ unsigned char values[4];
+ unsigned char shifts[4];
} vals;
-static vals construct_vals(void) {
- vals result = { 0, { 0, 0, 0, 0 }, { 0, 0, 0, 0 } };
- return result;
+static void gen_vals_from_word(unsigned int value, vals *result)
+{
+ int initial = 0;
+
+ memset(result, 0, sizeof(*result));
+
+ /* special case: we prefer shift amount 0 */
+ if (value < 0x100) {
+ result->values[0] = value;
+ result->ops = 1;
+ return;
+ }
+
+ while (value != 0) {
+ if (value & 0xFF) {
+ unsigned v = do_rol(value, 8) & 0xFFFFFF;
+ int shf = 0;
+ for (;;) {
+ if ((v & 3) != 0)
+ break;
+ shf += 2;
+ v >>= 2;
+ }
+ v &= 0xFF;
+ shf = (initial + shf - 8) & 0x1F;
+ result->values[result->ops] = v;
+ result->shifts[result->ops] = shf;
+ ++result->ops;
+
+ value ^= do_rol(v, shf) >> initial;
+ }
+ else {
+ value >>= 8;
+ initial += 8;
+ }
+ }
}
-static vals gen_vals_from_word(unsigned int value)
-{
- vals result = construct_vals();
- int cur_offset = 0;
- while (value != 0) {
- if ((value & 3) == 0) {
- cur_offset += 2;
- value >>= 2;
- } else {
- result.values[result.ops] = value & 0xff;
- result.shifts[result.ops] = cur_offset;
- ++result.ops;
- value >>= 8;
- cur_offset += 8;
- }
- }
- return result;
+/**
+ * Creates a arm_Const node.
+ */
+static ir_node *create_const_node(arm_transform_env_t *env, long value) {
+ tarval *tv = new_tarval_from_long(value, mode_Iu);
+ return new_rd_arm_Mov_i(env->dbg, env->irg, env->block, env->mode, tv);
}
-static ir_node *create_const_node(arm_transform_env_t *env, int value) {
- ir_node *result = new_rd_arm_Const(env->dbg, env->irg, env->block, env->mode);
- get_arm_attr(result)->value = new_tarval_from_long(value, env->mode);
- return result;
+/**
+ * Creates a arm_Const_Neg node.
+ */
+static ir_node *create_const_neg_node(arm_transform_env_t *env, long value) {
+ tarval *tv = new_tarval_from_long(value, mode_Iu);
+ return new_rd_arm_Mvn_i(env->dbg, env->irg, env->block, env->mode, tv);
}
#define NEW_BINOP_NODE(opname, env, op1, op2) new_rd_arm_##opname(env->dbg, env->irg, env->block, op1, op2, env->mode)
-unsigned int create_shifter_operand(unsigned int shift, unsigned int immediate) {
+/**
+ * Encodes an immediate with shifter operand
+ */
+static unsigned int arm_encode_imm_w_shift(unsigned int shift, unsigned int immediate) {
return immediate | ((shift>>1)<<8);
}
+/**
+ * Decode an immediate with shifter operand
+ */
+unsigned int arm_decode_imm_w_shift(tarval *tv) {
+ unsigned l = get_tarval_long(tv);
+ unsigned rol = (l & ~0xFF) >> 7;
+
+ return do_rol(l & 0xFF, rol);
+}
+
+/**
+ * Creates a possible DAG for an constant.
+ */
static ir_node *create_const_graph_value(arm_transform_env_t *env, unsigned int value) {
ir_node *result;
int negate = 0;
+ vals v, vn;
+ int cnt;
- if (value < 0x100 || ~value < 0x100 ) {
- if ( ~value < 0x100 ) {
- negate = 1;
- value = ~value;
- }
- result = create_const_node(env, value);
- } else {
- vals v;
- vals v1 = gen_vals_from_word(value);
- vals v2 = gen_vals_from_word(~value);
- int cnt = 0;
- if (v2.ops == 1) {
- result = new_rd_arm_Const_Neg(env->dbg, env->irg, env->block, env->mode);
- set_arm_value(result, new_tarval_from_long(create_shifter_operand(v2.shifts[0], v2.values[0]), mode_Iu));
- } else {
- if ( v2.ops < v1.ops ) {
- negate = 1;
- v = v2;
- } else {
- v = v1;
- }
- if (v.shifts[cnt] == 0) {
- result = create_const_node(env, v.values[cnt]);
- } else {
- result = create_const_node(env, create_shifter_operand(v.shifts[cnt], v.values[cnt]));
- }
- ++cnt;
- while(cnt < v.ops) {
- ir_node *const_node = create_const_node(env, v.values[cnt]);
- ir_node *orr_i_node = new_rd_arm_Or_i(env->dbg, env->irg, env->block, result, env->mode);
- set_arm_value(orr_i_node, new_tarval_from_long(create_shifter_operand(v.shifts[cnt], v.values[cnt]), mode_Iu));
- result = orr_i_node;
- ++cnt;
- }
+ gen_vals_from_word(value, &v);
+ gen_vals_from_word(~value, &vn);
+
+ if (vn.ops < v.ops) {
+ /* remove bits */
+ result = create_const_neg_node(env, arm_encode_imm_w_shift(vn.shifts[0], vn.values[0]));
+
+ for (cnt = 1; cnt < vn.ops; ++cnt) {
+ tarval *tv = new_tarval_from_long(arm_encode_imm_w_shift(vn.shifts[cnt], vn.values[cnt]), mode_Iu);
+ ir_node *bic_i_node = new_rd_arm_Bic_i(env->dbg, env->irg, env->block, result, env->mode, tv);
+ result = bic_i_node;
}
}
- if ( negate ) {
- result = new_rd_arm_Not(env->dbg, env->irg, env->block, result, env->mode);
+ else {
+ /* add bits */
+ result = create_const_node(env, arm_encode_imm_w_shift(v.shifts[0], v.values[0]));
+
+ for (cnt = 1; cnt < v.ops; ++cnt) {
+ tarval *tv = new_tarval_from_long(arm_encode_imm_w_shift(v.shifts[cnt], v.values[cnt]), mode_Iu);
+ ir_node *orr_i_node = new_rd_arm_Or_i(env->dbg, env->irg, env->block, result, env->mode, tv);
+ result = orr_i_node;
+ }
}
return result;
}
-// static ir_node *create_const_graph_value(arm_transform_env_t *env, unsigned int value) {
-// ir_node *irn = env->irn;
-// ir_node *result;
-// int negate = 0;
-//
-// if ( ~value < 0x100 ) {
-// negate = 1;
-// value = ~value;
-// }
-//
-// if (value < 0x100) {
-// return create_const_node(env, value);
-// } else {
-// vals v = gen_vals_from_word(value);
-// int cnt = 0;
-// ir_node *mov_val = create_const_node(env, v.values[cnt]);
-// if (v.shifts[cnt] != 0) {
-// ir_node *shift_node = new_rd_arm_Shl_i(env->dbg, env->irg, env->block, mov_val, env->mode);
-// set_arm_value(shift_node, new_tarval_from_long(v.shifts[cnt], mode_Iu));
-// result = shift_node;
-// } else {
-// result = mov_val;
-// }
-// ++cnt;
-// while(cnt < v.ops) {
-// ir_node *const_node = create_const_node(env, v.values[cnt]);
-// ir_node *orr_i_node = new_rd_arm_Or_i(env->dbg, env->irg, env->block, result, env->mode);
-// unsigned shift = v.shifts[cnt];
-// unsigned immediate = v.values[cnt];
-// unsigned immediate_with_shift = immediate | ((shift>>1)<<8);
-// set_arm_value(orr_i_node, new_tarval_from_long(immediate_with_shift, mode_Iu));
-// result = orr_i_node;
-// ++cnt;
-// }
-// return result;
-// }
-// }
-
static ir_node *create_const_graph(arm_transform_env_t *env) {
int value = get_tarval_long(get_Const_tarval(env->irn));
return create_const_graph_value(env, value);
static ir_node *gen_mask(arm_transform_env_t *env, ir_node *op, int result_bits) {
unsigned mask_bits = (1 << result_bits) - 1;
ir_node *mask_node = create_const_graph_value(env, mask_bits);
- return new_rd_arm_And(env->dbg, env->irg, env->block, op, mask_node, get_irn_mode(env->irn));
+ return new_rd_arm_And(env->dbg, env->irg, env->block, op, mask_node, get_irn_mode(env->irn), ARM_SHF_NONE, NULL);
}
static ir_node *gen_sign_extension(arm_transform_env_t *env, ir_node *op, int result_bits) {
return rshift_node;
}
-static ir_node *gen_Conv(arm_transform_env_t *env, ir_node *op) {
+/**
+ * Transforms a Conv node.
+ *
+ * @param env The transformation environment
+ * @return the created arm Conv node
+ */
+static ir_node *gen_Conv(arm_transform_env_t *env) {
+ ir_node *op = get_Conv_op(env->irn);
ir_mode *in_mode = get_irn_mode(op);
ir_mode *out_mode = env->mode;
} else if (in_mode == mode_F && out_mode == mode_D) {
return new_rd_arm_fConvS2D(env->dbg, env->irg, env->block, op, env->mode);
} else if (mode_is_int(in_mode) && mode_is_float(out_mode)) {
+ env->cg->have_fp = 1;
return env->irn; /* TODO: implement int->float conversion*/
} else if (mode_is_float(in_mode) && mode_is_int(out_mode)) {
+ env->cg->have_fp = 1;
return env->irn; /* TODO: implement float->int conversion*/
} else {
assert(0 && "not implemented conversion");
}
}
+/**
+ * Return true if an operand is a shifter operand
+ */
+static int is_shifter_operand(ir_node *n, arm_shift_modifier *pmod) {
+ arm_shift_modifier mod = ARM_SHF_NONE;
+
+ if (is_arm_Mov(n))
+ mod = get_arm_shift_modifier(n);
+
+ *pmod = mod;
+ if (mod != ARM_SHF_NONE) {
+ long v = get_tarval_long(get_arm_value(n));
+ if (v < 32)
+ return (int)v;
+ }
+ return 0;
+}
/**
* Creates an arm Add.
*
* @param env The transformation environment
- * @param op1 first operator
- * @param op2 second operator
* @return the created arm Add node
*/
-static ir_node *gen_Add(arm_transform_env_t *env, ir_node *op1, ir_node *op2) {
- ir_node *result = NULL;
- assert(!mode_is_float(env->mode) || (get_irn_mode(op1)->sort == get_irn_mode(op2)->sort));
+static ir_node *gen_Add(arm_transform_env_t *env) {
+ ir_node *irn = env->irn;
+ ir_node *op1 = get_Add_left(irn);
+ ir_node *op2 = get_Add_right(irn);
+ ir_node *op3;
+ int v;
+ arm_shift_modifier mod;
+
assert(env->mode != mode_E && "IEEE Extended FP not supported");
- if (env->mode == mode_F) {
- result = new_rd_arm_fAdds(env->dbg, env->irg, env->block, op1, op2, env->mode);
- } else if (env->mode == mode_D) {
- result = new_rd_arm_fAddd(env->dbg, env->irg, env->block, op1, op2, env->mode);
- } else if (mode_is_numP(env->mode)) {
- if (is_arm_Const(op1)) {
- result = new_rd_arm_Add_i(env->dbg, env->irg, env->block, op2, env->mode);
- set_arm_value(result, get_arm_value(op1));
- } else if (is_arm_Const(op2)) {
- result = new_rd_arm_Add_i(env->dbg, env->irg, env->block, op1, env->mode);
- set_arm_value(result, get_arm_value(op2));
- } else {
- result = new_rd_arm_Add(env->dbg, env->irg, env->block, op1, op2, env->mode);
- }
- } else {
- assert(0 && "unknown mode for add");
+ if (mode_is_float(env->mode)) {
+ env->cg->have_fp = 1;
+ return new_rd_arm_fAdd(env->dbg, env->irg, env->block, op1, op2, env->mode);
}
- return result;
-}
+ if (mode_is_numP(env->mode)) {
+ if (is_arm_Mov_i(op1))
+ return new_rd_arm_Add_i(env->dbg, env->irg, env->block, op2, env->mode,
+ get_arm_value(op1));
+ if (is_arm_Mov_i(op2))
+ return new_rd_arm_Add_i(env->dbg, env->irg, env->block, op1, env->mode,
+ get_arm_value(op2));
+
+ /* check for MLA */
+ if (is_arm_Mul(op1) && get_irn_n_edges(op1) == 1) {
+ op3 = op2;
+ op2 = get_irn_n(op1, 1);
+ op1 = get_irn_n(op1, 0);
+
+ return new_rd_arm_Mla(env->dbg, env->irg, env->block, op1, op2, op3, env->mode);
+ }
+ if (is_arm_Mul(op2) && get_irn_n_edges(op2) == 1) {
+ op3 = op1;
+ op1 = get_irn_n(op2, 0);
+ op2 = get_irn_n(op2, 1);
+
+ return new_rd_arm_Mla(env->dbg, env->irg, env->block, op1, op2, op3, env->mode);
+ }
+ /* is the first a shifter */
+ v = is_shifter_operand(op1, &mod);
+ if (v) {
+ op1 = get_irn_n(op1, 0);
+ return new_rd_arm_Add(env->dbg, env->irg, env->block, op2, op1, env->mode,
+ mod, new_tarval_from_long(v, mode_Iu));
+ }
+ /* is the second a shifter */
+ v = is_shifter_operand(op2, &mod);
+ if (v) {
+ op2 = get_irn_n(op2, 0);
+ return new_rd_arm_Add(env->dbg, env->irg, env->block, op1, op2, env->mode,
+ mod, new_tarval_from_long(v, mode_Iu));
+ }
+ /* normal ADD */
+ return new_rd_arm_Add(env->dbg, env->irg, env->block, op1, op2, env->mode, ARM_SHF_NONE, NULL);
+ }
+
+ assert(0 && "unknown mode for add");
+ return NULL;
+}
/**
* Creates an arm Mul.
*
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
+ * @param env The transformation environment
* @return the created arm Mul node
*/
-static ir_node *gen_Mul(arm_transform_env_t *env, ir_node *op1, ir_node *op2) {
- assert(!mode_is_float(env->mode) || (get_irn_mode(op1)->sort == get_irn_mode(op2)->sort));
+static ir_node *gen_Mul(arm_transform_env_t *env) {
+ ir_node *irn = env->irn;
+ ir_node *op1 = get_Mul_left(irn);
+ ir_node *op2 = get_Mul_right(irn);
+
assert(env->mode != mode_E && "IEEE Extended FP not supported");
- if (env->mode == mode_F) {
- return new_rd_arm_fMuls(env->dbg, env->irg, env->block, op1, op2, env->mode);
- }
- if (env->mode == mode_D) {
- return new_rd_arm_fMuld(env->dbg, env->irg, env->block, op1, op2, env->mode);
+ if (mode_is_float(env->mode)) {
+ env->cg->have_fp = 1;
+ return new_rd_arm_fMul(env->dbg, env->irg, env->block, op1, op2, env->mode);
}
return new_rd_arm_Mul(env->dbg, env->irg, env->block, op1, op2, env->mode);
}
-
/**
- * Creates an arm floating Div.
+ * Creates an arm floating point Div.
*
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
+ * @param env The transformation environment
* @return the created arm fDiv node
*/
-static ir_node *gen_Quot(arm_transform_env_t *env, ir_node *op1, ir_node *op2) {
- // assert(mode_is_float(env->mode) && "only floating point supported");
- assert(get_irn_mode(op1)->sort == get_irn_mode(op2)->sort);
+static ir_node *gen_Quot(arm_transform_env_t *env) {
+ ir_node *irn = env->irn;
+ ir_node *op1 = get_Quot_left(irn);
+ ir_node *op2 = get_Quot_right(irn);
+
assert(mode_is_float(get_irn_mode(op1)));
assert(get_irn_mode(op1) != mode_E && "IEEE Extended FP not supported");
- if (get_irn_mode(op1) == mode_F) {
- return new_rd_arm_fDivs(env->dbg, env->irg, env->block, op1, op2, env->mode);
- }
- return new_rd_arm_fDivd(env->dbg, env->irg, env->block, op1, op2, env->mode);
+ return new_rd_arm_fDiv(env->dbg, env->irg, env->block, op1, op2, env->mode);
+}
+
+#define GEN_INT_OP(op) \
+static ir_node *gen_ ## op(arm_transform_env_t *env) { \
+ ir_node *irn = env->irn; \
+ ir_node *op1 = get_ ## op ## _left(irn); \
+ ir_node *op2 = get_ ## op ## _right(irn); \
+ int v; \
+ arm_shift_modifier mod; \
+ \
+ if (is_arm_Mov_i(op1)) \
+ return new_rd_arm_ ## op ## _i(env->dbg, env->irg, env->block, op2, env->mode, \
+ get_arm_value(op1)); \
+ if (is_arm_Mov_i(op2)) \
+ return new_rd_arm_ ## op ## _i(env->dbg, env->irg, env->block, op1, env->mode, \
+ get_arm_value(op2)); \
+ /* is the first a shifter */ \
+ v = is_shifter_operand(op1, &mod); \
+ if (v) { \
+ op1 = get_irn_n(op1, 0); \
+ return new_rd_arm_ ## op(env->dbg, env->irg, env->block, op2, op1, env->mode, \
+ mod, new_tarval_from_long(v, mode_Iu)); \
+ } \
+ /* is the second a shifter */ \
+ v = is_shifter_operand(op2, &mod); \
+ if (v) { \
+ op2 = get_irn_n(op2, 0); \
+ return new_rd_arm_ ## op(env->dbg, env->irg, env->block, op1, op2, env->mode, \
+ mod, new_tarval_from_long(v, mode_Iu)); \
+ } \
+ /* Normal op */ \
+ return new_rd_arm_ ## op(env->dbg, env->irg, env->block, op1, op2, env->mode, ARM_SHF_NONE, NULL); \
}
/**
* Creates an arm And.
*
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
+ * @param env The transformation environment
* @return the created arm And node
*/
-static ir_node *gen_And(arm_transform_env_t *env, ir_node *op1, ir_node *op2) {
- ir_node *result;
- if (is_arm_Const(op1)) {
- result = new_rd_arm_And_i(env->dbg, env->irg, env->block, op2, env->mode);
- set_arm_value(result, get_arm_value(op1));
- } else if (is_arm_Const(op2)) {
- result = new_rd_arm_And_i(env->dbg, env->irg, env->block, op1, env->mode);
- set_arm_value(result, get_arm_value(op2));
- } else {
- result = new_rd_arm_And(env->dbg, env->irg, env->block, op1, op2, env->mode);
- }
- return result;
-}
-
-
+static ir_node *gen_And(arm_transform_env_t *env);
+GEN_INT_OP(And)
/**
- * Creates an arm Or.
+ * Creates an arm Orr.
*
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
+ * @param env The transformation environment
* @return the created arm Or node
*/
-static ir_node *gen_Or(arm_transform_env_t *env, ir_node *op1, ir_node *op2) {
- ir_node *result;
- if (is_arm_Const(op1)) {
- result = new_rd_arm_Or_i(env->dbg, env->irg, env->block, op2, env->mode);
- set_arm_value(result, get_arm_value(op1));
- } else if (is_arm_Const(op2)) {
- result = new_rd_arm_Or_i(env->dbg, env->irg, env->block, op1, env->mode);
- set_arm_value(result, get_arm_value(op2));
- } else {
- result = new_rd_arm_Or(env->dbg, env->irg, env->block, op1, op2, env->mode);
- }
- return result;
-}
-
-
+static ir_node *gen_Or(arm_transform_env_t *env);
+GEN_INT_OP(Or)
/**
* Creates an arm Eor.
*
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
+ * @param env The transformation environment
* @return the created arm Eor node
*/
-static ir_node *gen_Eor(arm_transform_env_t *env, ir_node *op1, ir_node *op2) {
- ir_node *result;
- if (is_arm_Const(op1)) {
- result = new_rd_arm_Eor_i(env->dbg, env->irg, env->block, op2, env->mode);
- set_arm_value(result, get_arm_value(op1));
- } else if (is_arm_Const(op2)) {
- result = new_rd_arm_Eor_i(env->dbg, env->irg, env->block, op1, env->mode);
- set_arm_value(result, get_arm_value(op2));
- } else {
- result = new_rd_arm_Eor(env->dbg, env->irg, env->block, op1, op2, env->mode);
- }
- return result;
-}
-
-
+static ir_node *gen_Eor(arm_transform_env_t *env);
+GEN_INT_OP(Eor)
/**
* Creates an arm Sub.
*
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
+ * @param env The transformation environment
* @return the created arm Sub node
*/
-static ir_node *gen_Sub(arm_transform_env_t *env, ir_node *op1, ir_node *op2) {
- ir_node *result = NULL;
- assert(!mode_is_float(env->mode) || (get_irn_mode(op1)->sort == get_irn_mode(op2)->sort));
+static ir_node *gen_Sub(arm_transform_env_t *env) {
+ ir_node *irn = env->irn;
+ ir_node *op1 = get_Sub_left(irn);
+ ir_node *op2 = get_Sub_right(irn);
+ int v;
+ arm_shift_modifier mod;
+
assert(env->mode != mode_E && "IEEE Extended FP not supported");
- if (env->mode == mode_F) {
- result = new_rd_arm_fSubs(env->dbg, env->irg, env->block, op1, op2, env->mode);
- } else if (env->mode == mode_D) {
- result = new_rd_arm_fSubd(env->dbg, env->irg, env->block, op1, op2, env->mode);
- } else if (mode_is_numP(env->mode)) {
- if (is_arm_Const(op2)) {
- result = new_rd_arm_Sub_i(env->dbg, env->irg, env->block, op1, env->mode);
- set_arm_value(result, get_arm_value(op2));
- } else {
- result = new_rd_arm_Sub(env->dbg, env->irg, env->block, op1, op2, env->mode);
+ if (mode_is_float(env->mode)) {
+ env->cg->have_fp = 1;
+ return new_rd_arm_fSub(env->dbg, env->irg, env->block, op1, op2, env->mode);
+ }
+ if (mode_is_numP(env->mode)) {
+ if (is_arm_Mov_i(op1))
+ return new_rd_arm_Rsb_i(env->dbg, env->irg, env->block, op2, env->mode,
+ get_arm_value(op1));
+ if (is_arm_Mov_i(op2))
+ return new_rd_arm_Sub_i(env->dbg, env->irg, env->block, op1, env->mode,
+ get_arm_value(op2));
+
+ /* is the first a shifter */
+ v = is_shifter_operand(op1, &mod);
+ if (v) {
+ op1 = get_irn_n(op1, 0);
+ return new_rd_arm_Rsb(env->dbg, env->irg, env->block, op2, op1, env->mode,
+ mod, new_tarval_from_long(v, mode_Iu));
}
- } else {
- assert(0 && "unknown mode for sub");
+ /* is the second a shifter */
+ v = is_shifter_operand(op2, &mod);
+ if (v) {
+ op2 = get_irn_n(op2, 0);
+ return new_rd_arm_Sub(env->dbg, env->irg, env->block, op1, op2, env->mode,
+ mod, new_tarval_from_long(v, mode_Iu));
+ }
+ /* normal sub */
+ return new_rd_arm_Sub(env->dbg, env->irg, env->block, op1, op2, env->mode, ARM_SHF_NONE, NULL);
}
- return result;
+ assert(0 && "unknown mode for sub");
+ return NULL;
}
/**
* Creates an arm Shl.
*
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
+ * @param env The transformation environment
* @return the created arm Shl node
*/
-static ir_node *gen_Shl(arm_transform_env_t *env, ir_node *op1, ir_node *op2) {
+static ir_node *gen_Shl(arm_transform_env_t *env) {
ir_node *result;
- if (is_arm_Const(op2)) {
- result = new_rd_arm_Shl_i(env->dbg, env->irg, env->block, op1, env->mode);
- set_arm_value(result, get_arm_value(op2));
+ ir_node *irn = env->irn;
+ ir_node *op1 = get_Shl_left(irn);
+ ir_node *op2 = get_Shl_right(irn);
+
+ if (is_arm_Mov_i(op2)) {
+ result = new_rd_arm_Mov(env->dbg, env->irg, env->block, op1, env->mode,
+ ARM_SHF_LSL, get_arm_value(op2));
} else {
result = new_rd_arm_Shl(env->dbg, env->irg, env->block, op1, op2, env->mode);
}
return result;
}
-
-
/**
* Creates an arm Shr.
*
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
+ * @param env The transformation environment
* @return the created arm Shr node
*/
-static ir_node *gen_Shr(arm_transform_env_t *env, ir_node *op1, ir_node *op2) {
+static ir_node *gen_Shr(arm_transform_env_t *env) {
ir_node *result;
- if (is_arm_Const(op2)) {
- result = new_rd_arm_Shr_i(env->dbg, env->irg, env->block, op1, env->mode);
- set_arm_value(result, get_arm_value(op2));
+ ir_node *irn = env->irn;
+ ir_node *op1 = get_Shr_left(irn);
+ ir_node *op2 = get_Shr_right(irn);
+
+ if (is_arm_Mov_i(op2)) {
+ result = new_rd_arm_Mov(env->dbg, env->irg, env->block, op1, env->mode,
+ ARM_SHF_LSR, get_arm_value(op2));
} else {
result = new_rd_arm_Shr(env->dbg, env->irg, env->block, op1, op2, env->mode);
}
/**
* Creates an arm Shrs.
*
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
+ * @param env The transformation environment
* @return the created arm Shrs node
*/
-static ir_node *gen_Shrs(arm_transform_env_t *env, ir_node *op1, ir_node *op2) {
+static ir_node *gen_Shrs(arm_transform_env_t *env) {
ir_node *result;
- if (is_arm_Const(op2)) {
- result = new_rd_arm_Shrs_i(env->dbg, env->irg, env->block, op1, env->mode);
- set_arm_value(result, get_arm_value(op2));
+ ir_node *irn = env->irn;
+ ir_node *op1 = get_Shrs_left(irn);
+ ir_node *op2 = get_Shrs_right(irn);
+
+ if (is_arm_Mov_i(op2)) {
+ result = new_rd_arm_Mov(env->dbg, env->irg, env->block, op1, env->mode,
+ ARM_SHF_ASR, get_arm_value(op2));
} else {
result = new_rd_arm_Shrs(env->dbg, env->irg, env->block, op1, op2, env->mode);
}
/**
* Transforms a Not node.
*
- * @param mod the debug module
- * @param block the block the new node should belong to
- * @param node the ir Not node
- * @param op operator
- * @param mode node mode
+ * @param env The transformation environment
* @return the created arm Not node
*/
-static ir_node *gen_Not(arm_transform_env_t *env, ir_node *op) {
- return new_rd_arm_Not(env->dbg, env->irg, env->block, op, env->mode);
+static ir_node *gen_Not(arm_transform_env_t *env) {
+ ir_node *op = get_Not_op(env->irn);
+ int v;
+ arm_shift_modifier mod = ARM_SHF_NONE;
+ tarval *tv = NULL;
+
+ v = is_shifter_operand(op, &mod);
+ if (v) {
+ op = get_irn_n(op, 0);
+ tv = new_tarval_from_long(v, mode_Iu);
+ }
+ return new_rd_arm_Mvn(env->dbg, env->irg, env->block, op, env->mode, mod, tv);
}
+/**
+ * Transforms an Abs node.
+ *
+ * @param env The transformation environment
+ * @return the created arm Abs node
+ */
+static ir_node *gen_Abs(arm_transform_env_t *env) {
+ ir_node *op = get_Abs_op(env->irn);
-static ir_node *gen_Abs(arm_transform_env_t *env, ir_node *op) {
assert(env->mode != mode_E && "IEEE Extended FP not supported");
- if (env->mode == mode_F) {
- return new_rd_arm_fAbss(env->dbg, env->irg, env->block, op, env->mode);
- }
- if (env->mode == mode_D) {
- return new_rd_arm_fAbsd(env->dbg, env->irg, env->block, op, env->mode);
+ if (mode_is_float(env->mode)) {
+ env->cg->have_fp = 1;
+ return new_rd_arm_fAbs(env->dbg, env->irg, env->block, op, env->mode);
}
return new_rd_arm_Abs(env->dbg, env->irg, env->block, op, env->mode);
}
-
/**
* Transforms a Minus node.
*
- * @param mod the debug module
- * @param block the block the new node should belong to
- * @param node the ir Minus node
- * @param op operator
- * @param mode node mode
+ * @param env The transformation environment
* @return the created arm Minus node
*/
-static ir_node *gen_Minus(arm_transform_env_t *env, ir_node *op) {
+static ir_node *gen_Minus(arm_transform_env_t *env) {
+ ir_node *op = get_Minus_op(env->irn);
+
if (mode_is_float(env->mode)) {
return new_rd_arm_fMinus(env->dbg, env->irg, env->block, op, env->mode);
}
- return new_rd_arm_Minus(env->dbg, env->irg, env->block, op, env->mode);
+ return new_rd_arm_Rsb_i(env->dbg, env->irg, env->block, op, env->mode, get_mode_null(env->mode));
}
-
/**
* Transforms a Load.
*
ir_node *node = env->irn;
ir_mode *mode = get_Load_mode(node);
-// const ir_edge_t *edge;
-//
-// foreach_out_edge(node, edge) {
-// ir_node* proj = get_edge_src_irn(edge);
-// long nr = get_Proj_proj(proj);
-// if ( nr == pn_Load_res )
-// mode = proj->mode;
-// }
-// besser: get_Load_mode() verwenden!
-
- assert(mode!=NULL && "irgendwie hat das load kein proj fuers result");
- if (mode==mode_F) {
- return new_rd_arm_fLoads(env->dbg, env->irg, env->block, get_Load_ptr(node), get_Load_mem(node), env->mode);
- }
- if (mode==mode_D) {
- return new_rd_arm_fLoadd(env->dbg, env->irg, env->block, get_Load_ptr(node), get_Load_mem(node), env->mode);
+ if (mode_is_float(mode)) {
+ env->cg->have_fp = 1;
+ /* FIXME: set the load mode */
+ return new_rd_arm_fLoad(env->dbg, env->irg, env->block, get_Load_ptr(node), get_Load_mem(node), env->mode);
}
if (mode == mode_Bu) {
return new_rd_arm_Loadb(env->dbg, env->irg, env->block, get_Load_ptr(node), get_Load_mem(node), env->mode);
return new_rd_arm_Load(env->dbg, env->irg, env->block, get_Load_ptr(node), get_Load_mem(node), env->mode);
}
-
-
/**
* Transforms a Store.
*
ir_mode *mode = get_irn_mode(get_Store_value(node));
assert(env->mode != mode_E && "IEEE Extended FP not supported");
- if (mode == mode_F) {
- return new_rd_arm_fStores(env->dbg, env->irg, env->block, get_Store_ptr(node), get_Store_value(node), get_Store_mem(node), env->mode);
- }
- if (mode == mode_D) {
- return new_rd_arm_fStored(env->dbg, env->irg, env->block, get_Store_ptr(node), get_Store_value(node), get_Store_mem(node), env->mode);
+ if (mode_is_float(mode)) {
+ env->cg->have_fp = 1;
+ /* FIXME: set the store mode */
+ return new_rd_arm_fStore(env->dbg, env->irg, env->block, get_Store_ptr(node), get_Store_value(node), get_Store_mem(node), env->mode);
}
if (mode == mode_Bu) {
return new_rd_arm_Storeb(env->dbg, env->irg, env->block, get_Store_ptr(node), get_Store_value(node), get_Store_mem(node), env->mode);
const_env.mode = mode_Is;
const_env.irn = const_node;
const_graph = gen_Const(&const_env);
- sub = new_rd_arm_Sub(env->dbg, env->irg, env->block, op, const_graph, get_irn_mode(op));
+ sub = new_rd_arm_Sub(env->dbg, env->irg, env->block, op, const_graph, get_irn_mode(op), ARM_SHF_NONE, NULL);
result = new_rd_arm_SwitchJmp(env->dbg, env->irg, env->block, sub, mode_T);
set_arm_n_projs(result, n_projs);
set_arm_default_proj_num(result, get_Cond_defaultProj(irn)-translation);
}
static ir_node *gen_SymConst(arm_transform_env_t *env) {
- ir_node *result;
- const char *str = get_sc_name(env->irn);
- result = new_rd_arm_SymConst(env->dbg, env->irg, env->block, env->mode);
- set_arm_symconst_label(result, str);
- return result;
+ return new_rd_arm_SymConst(env->dbg, env->irg, env->block,
+ env->mode, get_sc_name(env->irn));
}
-
-
/**
* Transforms a CopyB node.
*
DEBUG_ONLY(const_env.mod = env->mod;)
const_env.mode = mode_Iu;
- src_copy = be_new_Copy(&arm_reg_classes[CLASS_arm_general_purpose], irg, block, src);
- dst_copy = be_new_Copy(&arm_reg_classes[CLASS_arm_general_purpose], irg, block, dst);
+ src_copy = be_new_Copy(&arm_reg_classes[CLASS_arm_gp], irg, block, src);
+ dst_copy = be_new_Copy(&arm_reg_classes[CLASS_arm_gp], irg, block, dst);
res = new_rd_arm_CopyB( dbg, irg, block, dst_copy, src_copy, new_rd_arm_EmptyReg(dbg, irg, block, mode_Iu), new_rd_arm_EmptyReg(dbg, irg, block, mode_Iu), new_rd_arm_EmptyReg(dbg, irg, block, mode_Iu), mem, mode);
set_arm_value(res, new_tarval_from_long(size, mode_Iu));
-// /************************************************************************/
-// /* be transforms */
-// /************************************************************************/
-//
+/********************************************
+ * _ _
+ * | | | |
+ * | |__ ___ _ __ ___ __| | ___ ___
+ * | '_ \ / _ \ '_ \ / _ \ / _` |/ _ \/ __|
+ * | |_) | __/ | | | (_) | (_| | __/\__ \
+ * |_.__/ \___|_| |_|\___/ \__,_|\___||___/
+ *
+ ********************************************/
+
+/**
+ * Return an expanding stack offset.
+ * Note that function is called in the transform phase
+ * where the stack offsets are still relative regarding
+ * the first (frame allocating) IncSP.
+ * However this is exactly what we want because frame
+ * access must be done relative the the fist IncSP ...
+ */
+static int get_sp_expand_offset(ir_node *inc_sp) {
+ unsigned offset = be_get_IncSP_offset(inc_sp);
+ be_stack_dir_t dir = be_get_IncSP_direction(inc_sp);
+
+ if (offset == BE_STACK_FRAME_SIZE)
+ return 0;
+ return dir == be_stack_dir_expand ? (int)offset : -(int)offset;
+}
+
+static ir_node *gen_StackParam(arm_transform_env_t *env) {
+#if 0
+ ir_node *new_op = NULL;
+ ir_node *node = env->irn;
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *mem = new_rd_NoMem(env->irg);
+ ir_node *ptr = get_irn_n(node, 0);
+ entity *ent = be_get_frame_entity(node);
+ ir_mode *mode = env->mode;
+
+// /* If the StackParam has only one user -> */
+// /* put it in the Block where the user resides */
+// if (get_irn_n_edges(node) == 1) {
+// env->block = get_nodes_block(get_edge_src_irn(get_irn_out_edge_first(node)));
+// }
+
+ if (mode_is_float(mode)) {
+ if (USE_SSE2(env->cg))
+ new_op = new_rd_ia32_fLoad(env->dbg, env->irg, env->block, ptr, noreg, mem, mode_T);
+ else {
+ env->cg->used_x87 = 1;
+ new_op = new_rd_ia32_vfld(env->dbg, env->irg, env->block, ptr, noreg, mem, mode_T);
+ }
+ }
+ else {
+ new_op = new_rd_ia32_Load(env->dbg, env->irg, env->block, ptr, noreg, mem, mode_T);
+ }
+
+ set_ia32_frame_ent(new_op, ent);
+ set_ia32_use_frame(new_op);
+
+ set_ia32_am_support(new_op, ia32_am_Source);
+ set_ia32_op_type(new_op, ia32_AddrModeS);
+ set_ia32_am_flavour(new_op, ia32_B);
+ set_ia32_ls_mode(new_op, mode);
+
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, env->irn));
+
+ return new_rd_Proj(env->dbg, env->irg, env->block, new_op, mode, 0);
+#endif
+}
+
+/**
+ * Transforms a FrameAddr into an ia32 Add.
+ */
+static ir_node *gen_be_FrameAddr(arm_transform_env_t *env) {
+ ir_node *node = env->irn;
+ entity *ent = be_get_frame_entity(node);
+ int offset = get_entity_offset_bytes(ent);
+ ir_node *op = get_irn_n(node, 0);
+ ir_node *cnst;
+
+ if (be_is_IncSP(op)) {
+ /* BEWARE: we get an offset which is absolute from an offset that
+ is relative. Both must be merged */
+ offset += get_sp_expand_offset(op);
+ }
+ cnst = create_const_graph_value(env, (unsigned)offset);
+ if (is_arm_Mov_i(cnst)) {
+ return new_rd_arm_Add_i(env->dbg, env->irg, env->block, op, env->mode,
+ get_arm_value(cnst));
+ }
+ return new_rd_arm_Add(env->dbg, env->irg, env->block, op, cnst, env->mode, ARM_SHF_NONE, NULL);
+}
+
+/**
+ * Transforms a FrameLoad into an ia32 Load.
+ */
+static ir_node *gen_FrameLoad(arm_transform_env_t *env) {
+#if 0
+ ir_node *new_op = NULL;
+ ir_node *node = env->irn;
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *mem = get_irn_n(node, 0);
+ ir_node *ptr = get_irn_n(node, 1);
+ entity *ent = be_get_frame_entity(node);
+ ir_mode *mode = get_type_mode(get_entity_type(ent));
+
+ if (mode_is_float(mode)) {
+ if (USE_SSE2(env->cg))
+ new_op = new_rd_ia32_fLoad(env->dbg, env->irg, env->block, ptr, noreg, mem, mode_T);
+ else {
+ env->cg->used_x87 = 1;
+ new_op = new_rd_ia32_vfld(env->dbg, env->irg, env->block, ptr, noreg, mem, mode_T);
+ }
+ }
+ else {
+ new_op = new_rd_ia32_Load(env->dbg, env->irg, env->block, ptr, noreg, mem, mode_T);
+ }
+
+ set_ia32_frame_ent(new_op, ent);
+ set_ia32_use_frame(new_op);
+
+ set_ia32_am_support(new_op, ia32_am_Source);
+ set_ia32_op_type(new_op, ia32_AddrModeS);
+ set_ia32_am_flavour(new_op, ia32_B);
+ set_ia32_ls_mode(new_op, mode);
+
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, env->irn));
+
+ return new_op;
+#endif
+}
+
+
+/**
+ * Transforms a FrameStore into an ia32 Store.
+ */
+static ir_node *gen_FrameStore(arm_transform_env_t *env) {
+#if 0
+ ir_node *new_op = NULL;
+ ir_node *node = env->irn;
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *mem = get_irn_n(node, 0);
+ ir_node *ptr = get_irn_n(node, 1);
+ ir_node *val = get_irn_n(node, 2);
+ entity *ent = be_get_frame_entity(node);
+ ir_mode *mode = get_irn_mode(val);
+
+ if (mode_is_float(mode)) {
+ if (USE_SSE2(env->cg))
+ new_op = new_rd_ia32_fStore(env->dbg, env->irg, env->block, ptr, noreg, val, mem, mode_T);
+ else {
+ env->cg->used_x87 = 1;
+ new_op = new_rd_ia32_vfst(env->dbg, env->irg, env->block, ptr, noreg, val, mem, mode_T);
+ }
+ }
+ else if (get_mode_size_bits(mode) == 8) {
+ new_op = new_rd_ia32_Store8Bit(env->dbg, env->irg, env->block, ptr, noreg, val, mem, mode_T);
+ }
+ else {
+ new_op = new_rd_ia32_Store(env->dbg, env->irg, env->block, ptr, noreg, val, mem, mode_T);
+ }
+
+ set_ia32_frame_ent(new_op, ent);
+ set_ia32_use_frame(new_op);
+
+ set_ia32_am_support(new_op, ia32_am_Dest);
+ set_ia32_op_type(new_op, ia32_AddrModeD);
+ set_ia32_am_flavour(new_op, ia32_B);
+ set_ia32_ls_mode(new_op, mode);
+
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, env->irn));
+
+ return new_op;
+#endif
+}
+
+
// static ir_node *gen_be_Copy(arm_transform_env_t *env, ir_node *op) {
// return new_rd_arm_Copy(env->dbg, env->irg, env->block, op, env->mode);
// }
/************************************************************************/
void arm_move_consts(ir_node *node, void *env) {
arm_code_gen_t *cgenv = (arm_code_gen_t *)env;
+ arm_transform_env_t tenv;
int i;
+
if (is_Block(node))
return;
+
+ tenv.irg = current_ir_graph;
+ DEBUG_ONLY(tenv.mod = cgenv->mod);
+
if (is_Phi(node)) {
- for (i=0; i<get_irn_arity(node); i++) {
+ for (i = 0; i < get_irn_arity(node); i++) {
ir_node *pred = get_irn_n(node,i);
opcode pred_code = get_irn_opcode(pred);
if (pred_code == iro_Const) {
ir_node *const_graph;
- arm_transform_env_t tenv;
tenv.block = get_nodes_block(get_irn_n(get_nodes_block(node),i));
tenv.dbg = get_irn_dbg_info(pred);
- tenv.irg = current_ir_graph;
tenv.irn = pred;
- DEBUG_ONLY(tenv.mod = cgenv->mod;)
tenv.mode = get_irn_mode(pred);
const_graph = create_const_graph(&tenv);
set_irn_n(node, i, const_graph);
const char *str = get_sc_name(pred);
ir_node *symconst_node;
symconst_node = new_rd_arm_SymConst(get_irn_dbg_info(pred),
- current_ir_graph, get_nodes_block(get_irn_n(get_nodes_block(node),i)), get_irn_mode(pred));
- set_arm_symconst_label(symconst_node, str);
+ current_ir_graph, get_nodes_block(get_irn_n(get_nodes_block(node),i)),
+ get_irn_mode(pred), str);
set_irn_n(node, i, symconst_node);
}
}
return;
}
- for (i=0; i<get_irn_arity(node); i++) {
+ for (i = 0; i < get_irn_arity(node); i++) {
ir_node *pred = get_irn_n(node,i);
opcode pred_code = get_irn_opcode(pred);
if (pred_code == iro_Const) {
ir_node *const_graph;
- arm_transform_env_t tenv;
- tenv.block = get_nodes_block(node);
- tenv.dbg = get_irn_dbg_info(pred);
- tenv.irg = current_ir_graph;
- tenv.irn = pred;
- DEBUG_ONLY(tenv.mod = cgenv->mod;)
- tenv.mode = get_irn_mode(pred);
+ tenv.block = get_nodes_block(node);
+ tenv.dbg = get_irn_dbg_info(pred);
+ tenv.irn = pred;
+ tenv.mode = get_irn_mode(pred);
const_graph = create_const_graph(&tenv);
set_irn_n(node, i, const_graph);
} else if (pred_code == iro_SymConst) {
const char *str = get_sc_name(pred);
ir_node *symconst_node;
symconst_node = new_rd_arm_SymConst(get_irn_dbg_info(pred),
- current_ir_graph, get_nodes_block(node), get_irn_mode(pred));
- set_arm_symconst_label(symconst_node, str);
+ current_ir_graph, get_nodes_block(node),
+ get_irn_mode(pred), str);
set_irn_n(node, i, symconst_node);
}
}
if (is_Block(node))
return;
- for (i = 0; i < get_irn_arity(node); i++) {
+ for (i = 0; i < get_irn_arity(node); i++) {
ir_node *pred = get_irn_n(node,i);
opcode pred_code = get_irn_opcode(pred);
ir_node *symconst_node;
symconst_node = new_rd_arm_SymConst(get_irn_dbg_info(pred),
- current_ir_graph, get_nodes_block(node), get_irn_mode(pred));
-
- set_arm_symconst_label(symconst_node, str);
+ current_ir_graph, get_nodes_block(node), get_irn_mode(pred), str);
set_irn_n(node, i, symconst_node);
}
}
}
+/**
+ * the BAD transformer.
+ */
+static ir_node *bad_transform(arm_transform_env_t *env) {
+ ir_fprintf(stderr, "Not implemented: %+F\n", env->irn);
+ assert(0);
+ return NULL;
+}
+
+/**
+ * Enters all transform functions into the generic pointer
+ */
+void arm_register_transformers(void) {
+ ir_op *op_Max, *op_Min, *op_Mulh;
+
+ /* first clear the generic function pointer for all ops */
+ clear_irp_opcodes_generic_func();
+
+#define FIRM_OP(a) op_##a->ops.generic = (op_func)gen_##a
+#define BAD(a) op_##a->ops.generic = (op_func)bad_transform
+#define IGN(a)
+
+ FIRM_OP(Add); // done
+ FIRM_OP(Mul); // done
+ FIRM_OP(Quot); // done
+ FIRM_OP(And); // done
+ FIRM_OP(Or); // done
+ FIRM_OP(Eor); // done
+
+ FIRM_OP(Sub); // done
+ FIRM_OP(Shl); // done
+ FIRM_OP(Shr); // done
+ FIRM_OP(Shrs); // done
+
+ FIRM_OP(Minus); // done
+ FIRM_OP(Not); // done
+ FIRM_OP(Abs); // done
+
+ FIRM_OP(CopyB); // done
+ FIRM_OP(Const); // TODO: floating point consts
+ FIRM_OP(Conv); // TODO: floating point conversions
+
+ FIRM_OP(Load); // done
+ FIRM_OP(Store); // done
+
+ FIRM_OP(SymConst);
+ FIRM_OP(Cond); // integer done
+
+ /* TODO: implement these nodes */
+
+ IGN(Div); // intrinsic lowering
+ IGN(Mod); // intrinsic lowering
+ IGN(DivMod); // TODO: implement DivMod
+
+ IGN(Mux);
+ IGN(Unknown);
+ IGN(Cmp); // done, implemented in cond
+
+ /* You probably don't need to handle the following nodes */
+
+ IGN(Call);
+ IGN(Proj);
+ IGN(Alloc);
+
+ IGN(Block);
+ IGN(Start);
+ IGN(End);
+ IGN(NoMem);
+ IGN(Phi);
+ IGN(IJmp);
+ IGN(Jmp); // emitter done
+ IGN(Break);
+ IGN(Sync);
+
+ BAD(Raise);
+ BAD(Sel);
+ BAD(InstOf);
+ BAD(Cast);
+ BAD(Free);
+ BAD(Tuple);
+ BAD(Id);
+ BAD(Bad);
+ BAD(Confirm);
+ BAD(Filter);
+ BAD(CallBegin);
+ BAD(EndReg);
+ BAD(EndExcept);
+
+ FIRM_OP(be_FrameAddr);
+
+ op_Max = get_op_Max();
+ if (op_Max)
+ BAD(Max);
+ op_Min = get_op_Min();
+ if (op_Min)
+ BAD(Min);
+ op_Mulh = get_op_Mulh();
+ if (op_Mulh)
+ BAD(Mulh);
+
+#undef IGN
+#undef FIRM_OP
+#undef BAD
+}
+
+typedef ir_node *(transform_func)(arm_transform_env_t *env);
/**
* Transforms the given firm node (and maybe some other related nodes)
* @param env the debug module
*/
void arm_transform_node(ir_node *node, void *env) {
- arm_code_gen_t *cgenv = (arm_code_gen_t *)env;
- opcode code = get_irn_opcode(node);
- ir_node *asm_node = NULL;
- arm_transform_env_t tenv;
+ arm_code_gen_t *cg = (arm_code_gen_t *)env;
+ ir_op *op = get_irn_op(node);
+ ir_node *asm_node = NULL;
- if (is_Block(node))
+ if (op == op_Block)
return;
- tenv.block = get_nodes_block(node);
- tenv.dbg = get_irn_dbg_info(node);
- tenv.irg = current_ir_graph;
- tenv.irn = node;
- DEBUG_ONLY(tenv.mod = cgenv->mod;)
- tenv.mode = get_irn_mode(node);
-
-#define UNOP(a) case iro_##a: asm_node = gen_##a(&tenv, get_##a##_op(node)); break
-#define BINOP(a) case iro_##a: asm_node = gen_##a(&tenv, get_##a##_left(node), get_##a##_right(node)); break
-#define GEN(a) case iro_##a: asm_node = gen_##a(&tenv); break
-#define IGN(a) case iro_##a: break
-#define BAD(a) case iro_##a: goto bad
-
- DBG((tenv.mod, LEVEL_1, "check %+F ... ", node));
-
- switch (code) {
- BINOP(Add); // done
- BINOP(Mul); // done
- BINOP(Quot); // done
- BINOP(And); // done
- BINOP(Or); // done
- BINOP(Eor); // done
-
- BINOP(Sub); // done
- BINOP(Shl); // done
- BINOP(Shr); // done
- BINOP(Shrs); // done
-
- UNOP(Minus); // done
- UNOP(Not); // done
- UNOP(Abs); // done
-
- GEN(CopyB); // done
- GEN(Const); // TODO: floating point consts
- UNOP(Conv); // TODO: floating point conversions
-
- GEN(Load); // done
- GEN(Store); // done
-
- GEN(SymConst);
- GEN(Cond); // integer done
-
- /* TODO: implement these nodes */
-
- IGN(Div); // intrinsic lowering
- IGN(Mod); // intrinsic lowering
- IGN(DivMod); // TODO: implement DivMod
-
- IGN(Mux);
- IGN(Unknown);
- IGN(Cmp); // done, implemented in cond
-
- /* You probably don't need to handle the following nodes */
-
- IGN(Call);
- IGN(Proj);
- IGN(Alloc);
-
- IGN(Block);
- IGN(Start);
- IGN(End);
- IGN(NoMem);
- IGN(Phi);
- IGN(IJmp);
- IGN(Jmp); // emitter done
- IGN(Break);
- IGN(Sync);
-
- BAD(Raise);
- BAD(Sel);
- BAD(InstOf);
- BAD(Cast);
- BAD(Free);
- BAD(Tuple);
- BAD(Id);
- BAD(Bad);
- BAD(Confirm);
- BAD(Filter);
- BAD(CallBegin);
- BAD(EndReg);
- BAD(EndExcept);
+ DBG((cg->mod, LEVEL_1, "check %+F ... ", node));
- default:
- if (get_irn_op(node) == get_op_Max() ||
- get_irn_op(node) == get_op_Min() ||
- get_irn_op(node) == get_op_Mulh())
- {
- /* TODO: implement */
- /* ignore for now */
- }
- break;
-bad:
- fprintf(stderr, "Not implemented: %s\n", get_irn_opname(node));
- assert(0);
+ if (op->ops.generic) {
+ arm_transform_env_t tenv;
+ transform_func *transform = (transform_func *)op->ops.generic;
+
+ tenv.cg = cg;
+ tenv.block = get_nodes_block(node);
+ tenv.dbg = get_irn_dbg_info(node);
+ tenv.irg = current_ir_graph;
+ tenv.irn = node;
+ tenv.mode = get_irn_mode(node);
+ DEBUG_ONLY(tenv.mod = cg->mod);
+
+ asm_node = (*transform)(&tenv);
}
if (asm_node) {
exchange(node, asm_node);
- DB((tenv.mod, LEVEL_1, "created node %+F[%p]\n", asm_node, asm_node));
+ DB((cg->mod, LEVEL_1, "created node %+F[%p]\n", asm_node, asm_node));
}
else {
- DB((tenv.mod, LEVEL_1, "ignored\n"));
+ DB((cg->mod, LEVEL_1, "ignored\n"));
}
}
projects / libfirm / blobdiff