* @file
* @brief lowering of Calls of intrinsic functions
* @author Michael Beck
- * @version $Id$
*/
#include "config.h"
#include "iropt_dbg.h"
#include "error.h"
#include "be.h"
+#include "util.h"
/** Walker environment. */
typedef struct walker_env {
if (op == op_Call) {
ir_node *symconst;
- pmap_entry *p;
const i_call_record *r;
ir_entity *ent;
return;
ent = get_SymConst_entity(symconst);
- p = pmap_find(wenv->c_map, ent);
+ r = pmap_get(i_call_record const, wenv->c_map, ent);
- if (p) {
- r = (const i_call_record*)p->value;
+ if (r != NULL) {
wenv->nr_of_intrinsics += r->i_mapper(node, r->ctx) ? 1 : 0;
}
} else {
}
}
}
-} /* call_mapper */
+}
-/* Go through all graphs and map calls to intrinsic functions. */
size_t lower_intrinsics(i_record *list, size_t length, int part_block_used)
{
size_t i, n;
- size_t n_ops = get_irp_n_opcodes();
+ size_t n_ops = ir_get_n_opcodes();
ir_graph *irg;
pmap *c_map = pmap_create_ex(length);
i_instr_record **i_map;
ir_free_resources(irg, IR_RESOURCE_IRN_LINK | IR_RESOURCE_PHI_LIST);
if (wenv.nr_of_intrinsics > 0) {
- /* Changes detected: we might have added/removed nodes. */
- set_irg_callee_info_state(irg, irg_callee_info_inconsistent);
-
- /* Exception control flow might have changed / new block might have added. */
- clear_irg_state(irg, IR_GRAPH_STATE_CONSISTENT_DOMINANCE
- | IR_GRAPH_STATE_VALID_EXTENDED_BLOCKS);
-
- /* verify here */
- irg_verify(irg, VERIFY_NORMAL);
-
+ confirm_irg_properties(irg, IR_GRAPH_PROPERTIES_NONE);
nr_of_intrinsics += wenv.nr_of_intrinsics;
}
}
pmap_destroy(c_map);
return nr_of_intrinsics;
-} /* lower_intrinsics */
+}
typedef struct pass_t {
ir_prog_pass_t pass;
return def_prog_pass_constructor(
&pass->pass, name ? name : "lower_intrinsics", pass_wrapper);
-} /* lower_intrinsics_pass*/
+}
/**
* Helper function, replace the call by the given node.
set_Tuple_pred(call, pn_Call_T_result, rest);
}
-/* A mapper for the integer abs. */
int i_mapper_abs(ir_node *call, void *ctx)
{
ir_node *mem = get_Call_mem(call);
DBG_OPT_ALGSIM0(call, mux, FS_OPT_RTS_ABS);
replace_call(mux, call, mem, NULL, NULL);
return 1;
-} /* i_mapper_abs */
+}
-/* A mapper for the integer bswap. */
int i_mapper_bswap(ir_node *call, void *ctx)
{
ir_node *mem = get_Call_mem(call);
irn = new_r_Proj(irn, get_irn_mode(op), pn_Builtin_max+1);
replace_call(irn, call, mem, NULL, NULL);
return 1;
-} /* i_mapper_bswap */
+}
-/* A mapper for the alloca() function. */
int i_mapper_alloca(ir_node *call, void *ctx)
{
ir_node *mem = get_Call_mem(call);
op = new_rd_Conv(dbg, block, op, mode);
}
- irn = new_rd_Alloc(dbg, block, mem, op, firm_unknown_type, stack_alloc);
+ irn = new_rd_Alloc(dbg, block, mem, op, get_unknown_type(), stack_alloc);
mem = new_rd_Proj(dbg, irn, mode_M, pn_Alloc_M);
irn = new_rd_Proj(dbg, irn, get_modeP_data(), pn_Alloc_res);
if (ir_throws_exception(call)) {
DBG_OPT_ALGSIM0(call, irn, FS_OPT_RTS_ALLOCA);
replace_call(irn, call, mem, no_exc, exc);
return 1;
-} /* i_mapper_alloca */
+}
-/* A mapper for the floating point sqrt. */
int i_mapper_sqrt(ir_node *call, void *ctx)
{
ir_node *mem;
DBG_OPT_ALGSIM0(call, op, FS_OPT_RTS_SQRT);
replace_call(op, call, mem, NULL, NULL);
return 1;
-} /* i_mapper_sqrt */
+}
-/* A mapper for the floating point cbrt. */
int i_mapper_cbrt(ir_node *call, void *ctx)
{
ir_node *mem;
DBG_OPT_ALGSIM0(call, op, FS_OPT_RTS_CBRT);
replace_call(op, call, mem, NULL, NULL);
return 1;
-} /* i_mapper_cbrt */
+}
-/* A mapper for the floating point pow. */
int i_mapper_pow(ir_node *call, void *ctx)
{
ir_node *left = get_Call_param(call, 0);
dbg = get_irn_dbg_info(call);
if (irn == NULL) {
- ir_mode *mode = get_irn_mode(left);
+ ir_mode *result_mode = get_irn_mode(left);
ir_node *div;
+ ir_mode *mode = result_mode;
+ ir_mode *float_arithmetic = be_get_backend_param()->mode_float_arithmetic;
+ if (float_arithmetic != NULL) {
+ left = new_r_Conv(block, left, float_arithmetic);
+ mode = float_arithmetic;
+ }
+
irn = new_r_Const(irg, get_mode_one(mode));
div = new_rd_Div(dbg, block, mem, irn, left, mode, op_pin_state_pinned);
mem = new_r_Proj(div, mode_M, pn_Div_M);
exc_jmp = new_r_Proj(div, mode_X, pn_Div_X_except);
ir_set_throws_exception(div, true);
}
+ if (result_mode != mode) {
+ irn = new_r_Conv(block, irn, result_mode);
+ }
}
DBG_OPT_ALGSIM0(call, irn, FS_OPT_RTS_POW);
replace_call(irn, call, mem, reg_jmp, exc_jmp);
return 1;
-} /* i_mapper_pow */
+}
-/* A mapper for the floating point exp. */
int i_mapper_exp(ir_node *call, void *ctx)
{
ir_node *val = get_Call_param(call, 0);
return 1;
}
return 0;
-} /* i_mapper_exp */
+}
+
+int i_mapper_exp2(ir_node *call, void *ctx)
+{
+ return i_mapper_exp(call, ctx);
+}
+
+int i_mapper_exp10(ir_node *call, void *ctx)
+{
+ return i_mapper_exp(call, ctx);
+}
/**
* A mapper for mapping f(0.0) to 0.0.
return 1;
}
return 0;
-} /* i_mapper_zero_to_zero */
+}
/**
* A mapper for mapping f(1.0) to 0.0.
return 1;
}
return 0;
-} /* i_mapper_one_to_zero */
+}
/**
* A mapper for mapping a functions with the following characteristics:
ir_node *val = get_Call_param(call, 0);
(void) ctx;
- if (is_strictConv(val)) {
+ if (is_Conv(val)) {
ir_node *op = get_Conv_op(val);
if (is_Minus(op)) {
/* f(-x) = f(x) with strictConv */
op = get_Minus_op(op);
val = new_rd_Conv(dbg, block, op, mode);
- if (is_Conv(val)) {
- /* still a Conv ? */
- set_Conv_strict(val, 1);
- }
DBG_OPT_ALGSIM2(call, op, call, FS_OPT_RTS_SYMMETRIC);
set_Call_param(call, 0, val);
changed = 1;
changed = 1;
}
return changed;
-} /* i_mapper_symmetric_zero_to_one */
+}
-/* A mapper for the floating point log. */
int i_mapper_log(ir_node *call, void *ctx)
{
/* log(1.0) = 0.0 */
return i_mapper_one_to_zero(call, ctx, FS_OPT_RTS_LOG);
-} /* i_mapper_log */
+}
+
+int i_mapper_log2(ir_node *call, void *ctx)
+{
+ /* log2(1.0) = 0.0 */
+ return i_mapper_one_to_zero(call, ctx, FS_OPT_RTS_LOG);
+}
+
+int i_mapper_log10(ir_node *call, void *ctx)
+{
+ /* log10(1.0) = 0.0 */
+ return i_mapper_one_to_zero(call, ctx, FS_OPT_RTS_LOG);
+}
-/* A mapper for the floating point sin. */
int i_mapper_sin(ir_node *call, void *ctx)
{
/* sin(0.0) = 0.0 */
return i_mapper_zero_to_zero(call, ctx, FS_OPT_RTS_SIN);
-} /* i_mapper_sin */
+}
-/* A mapper for the floating point cos. */
int i_mapper_cos(ir_node *call, void *ctx)
{
/* cos(0.0) = 1.0, cos(-x) = x */
return i_mapper_symmetric_zero_to_one(call, ctx, FS_OPT_RTS_COS);
-} /* i_mapper_cos */
+}
-/* A mapper for the floating point tan. */
int i_mapper_tan(ir_node *call, void *ctx)
{
/* tan(0.0) = 0.0 */
return i_mapper_zero_to_zero(call, ctx, FS_OPT_RTS_TAN);
-} /* i_mapper_tan */
+}
-/* A mapper for the floating point asin. */
int i_mapper_asin(ir_node *call, void *ctx)
{
/* asin(0.0) = 0.0 */
return i_mapper_zero_to_zero(call, ctx, FS_OPT_RTS_ASIN);
-} /* i_mapper_asin */
+}
-/* A mapper for the floating point acos. */
int i_mapper_acos(ir_node *call, void *ctx)
{
/* acos(1.0) = 0.0 */
return i_mapper_one_to_zero(call, ctx, FS_OPT_RTS_ACOS);
-} /* i_mapper_acos */
+}
-/* A mapper for the floating point atan. */
int i_mapper_atan(ir_node *call, void *ctx)
{
/* atan(0.0) = 0.0 */
return i_mapper_zero_to_zero(call, ctx, FS_OPT_RTS_ATAN);
-} /* i_mapper_atan */
+}
-/* A mapper for the floating point sinh. */
int i_mapper_sinh(ir_node *call, void *ctx)
{
/* sinh(0.0) = 0.0 */
return i_mapper_zero_to_zero(call, ctx, FS_OPT_RTS_SINH);
-} /* i_mapper_sinh */
+}
-/* A mapper for the floating point cosh. */
int i_mapper_cosh(ir_node *call, void *ctx)
{
/* cosh(0.0) = 1.0, cosh(-x) = x */
return i_mapper_symmetric_zero_to_one(call, ctx, FS_OPT_RTS_COSH);
-} /* i_mapper_cosh */
+}
-/* A mapper for the floating point tanh. */
int i_mapper_tanh(ir_node *call, void *ctx)
{
/* tanh(0.0) = 0.0 */
return i_mapper_zero_to_zero(call, ctx, FS_OPT_RTS_TANH);
-} /* i_mapper_tanh */
+}
/**
* Return the const entity that is accessed through the pointer ptr or
}
}
return NULL;
-} /* get_const_entity */
+}
+
+static ir_tarval *get_initializer_value(ir_initializer_t *const init, ir_mode *const mode)
+{
+ switch (get_initializer_kind(init)) {
+ case IR_INITIALIZER_NULL:
+ return get_mode_null(mode);
+
+ case IR_INITIALIZER_TARVAL:
+ return get_initializer_tarval_value(init);
+
+ case IR_INITIALIZER_CONST: {
+ ir_node *const irn = get_initializer_const_value(init);
+ if (is_Const(irn))
+ return get_Const_tarval(irn);
+ break;
+ }
+
+ case IR_INITIALIZER_COMPOUND:
+ break;
+ }
+
+ return get_tarval_undefined();
+}
static bool initializer_val_is_null(ir_initializer_t *init)
{
if (!mode_is_int(mode) || get_mode_size_bits(mode) != 8)
return NULL;
- if (!has_entity_initializer(ent)) {
- size_t i, n;
-
- n = get_compound_ent_n_values(ent);
- for (i = 0; i < n; ++i) {
- ir_node *irn = get_compound_ent_value(ent, i);
-
- if (! is_Const(irn))
- return NULL;
-
- if (is_Const_null(irn)) {
- /* found the length */
- ir_tarval *tv = new_tarval_from_long(i, get_type_mode(res_tp));
- return new_r_Const(irg, tv);
- }
- }
- return NULL;
- }
-
initializer = get_entity_initializer(ent);
if (get_initializer_kind(initializer) != IR_INITIALIZER_COMPOUND)
return NULL;
}
return NULL;
-} /* eval_strlen */
+}
-/* A mapper for strlen */
int i_mapper_strlen(ir_node *call, void *ctx)
{
ir_node *s = get_Call_param(call, 0);
}
}
return 0;
-} /* i_mapper_strlen */
+}
/**
* Calculate the value of strlen if possible.
static ir_node *eval_strcmp(ir_graph *irg, ir_entity *left, ir_entity *right,
ir_type *res_tp)
{
- ir_type *tp;
- ir_mode *mode;
+ ir_type *tp;
+ ir_mode *mode;
+ ir_initializer_t *init_l;
+ ir_initializer_t *init_r;
+ size_t size_l;
+ size_t size_r;
+ size_t size;
+ size_t i;
tp = get_entity_type(left);
if (! is_Array_type(tp))
if (!mode_is_int(mode) || get_mode_size_bits(mode) != 8)
return NULL;
- if (!has_entity_initializer(left) && !has_entity_initializer(right)) {
- /* code that uses deprecated compound_graph_path stuff */
- size_t n = get_compound_ent_n_values(left);
- size_t n_r = get_compound_ent_n_values(right);
- size_t i;
- int res = 0;
-
- if (n_r < n)
- n = n_r;
- for (i = 0; i < n; ++i) {
- ir_node *irn;
- long v_l, v_r;
- ir_tarval *tv;
-
- irn = get_compound_ent_value(left, i);
- if (! is_Const(irn))
- return NULL;
- tv = get_Const_tarval(irn);
- v_l = get_tarval_long(tv);
-
- irn = get_compound_ent_value(right, i);
- if (! is_Const(irn))
- return NULL;
- tv = get_Const_tarval(irn);
- v_r = get_tarval_long(tv);
-
- if (v_l < v_r) {
- res = -1;
- break;
- }
- if (v_l > v_r) {
- res = +1;
- break;
- }
+ init_l = get_entity_initializer(left);
+ init_r = get_entity_initializer(right);
+ if (get_initializer_kind(init_l) != IR_INITIALIZER_COMPOUND ||
+ get_initializer_kind(init_r) != IR_INITIALIZER_COMPOUND)
+ return NULL;
- if (v_l == 0) {
- res = 0;
- break;
- }
+ size_l = get_initializer_compound_n_entries(init_l);
+ size_r = get_initializer_compound_n_entries(init_r);
+ size = size_l < size_r ? size_l : size_r;
+
+ for (i = 0; i != size; ++i) {
+ ir_initializer_t *const val_l = get_initializer_compound_value(init_l, i);
+ ir_tarval *const tv_l = get_initializer_value(val_l, mode);
+ ir_initializer_t *const val_r = get_initializer_compound_value(init_r, i);
+ ir_tarval *const tv_r = get_initializer_value(val_r, mode);
+
+ if (!tarval_is_constant(tv_l) || !tarval_is_constant(tv_r))
+ return NULL;
+
+ if (tv_l != tv_r) {
+ ir_mode *const res_mode = get_type_mode(res_tp);
+ ir_tarval *const res_l = tarval_convert_to(tv_l, res_mode);
+ ir_tarval *const res_r = tarval_convert_to(tv_r, res_mode);
+ ir_tarval *const tv = tarval_sub(res_l, res_r, res_mode);
+ return new_r_Const(irg, tv);
}
- if (i < n) {
- /* we found an end */
- ir_tarval *tv = new_tarval_from_long(res, get_type_mode(res_tp));
+
+ if (tarval_is_null(tv_l)) {
+ ir_tarval *const tv = get_mode_null(get_type_mode(res_tp));
return new_r_Const(irg, tv);
}
- return NULL;
}
- /* TODO */
-
return NULL;
-} /* eval_strcmp */
+}
/**
* Checks if an entity represents the empty string.
{
ir_type *tp = get_entity_type(ent);
ir_mode *mode;
- ir_node *irn;
ir_initializer_t *initializer;
ir_initializer_t *init0;
if (!mode_is_int(mode) || get_mode_size_bits(mode) != 8)
return 0;
- if (!has_entity_initializer(ent)) {
- /* code for deprecated compound_graph_path stuff */
- size_t n = get_compound_ent_n_values(ent);
- if (n < 1)
- return 0;
- irn = get_compound_ent_value(ent, 0);
-
- return is_Const(irn) && is_Const_null(irn);
- }
-
initializer = get_entity_initializer(ent);
if (get_initializer_kind(initializer) != IR_INITIALIZER_COMPOUND)
return 0;
init0 = get_initializer_compound_value(initializer, 0);
return initializer_val_is_null(init0);
-} /* is_empty_string */
+}
-/* A mapper for strcmp */
int i_mapper_strcmp(ir_node *call, void *ctx)
{
ir_node *left = get_Call_param(call, 0);
}
return 0;
-} /* i_mapper_strcmp */
+}
-/* A mapper for strncmp */
int i_mapper_strncmp(ir_node *call, void *ctx)
{
ir_node *left = get_Call_param(call, 0);
return 1;
}
return 0;
-} /* i_mapper_strncmp */
+}
-/* A mapper for strcpy */
int i_mapper_strcpy(ir_node *call, void *ctx)
{
ir_node *dst = get_Call_param(call, 0);
return 1;
}
return 0;
-} /* i_mapper_strcpy */
+}
-/* A mapper for memcpy */
int i_mapper_memcpy(ir_node *call, void *ctx)
{
ir_node *dst = get_Call_param(call, 0);
return 1;
}
return 0;
-} /* i_mapper_memcpy */
+}
-/* A mapper for mempcpy */
int i_mapper_mempcpy(ir_node *call, void *ctx)
{
ir_node *dst = get_Call_param(call, 0);
return 1;
}
return 0;
-} /* i_mapper_mempcpy */
+}
-/* A mapper for memmove */
int i_mapper_memmove(ir_node *call, void *ctx)
{
ir_node *dst = get_Call_param(call, 0);
return 1;
}
return 0;
-} /* i_mapper_memmove */
+}
-/* A mapper for memset */
int i_mapper_memset(ir_node *call, void *ctx)
{
ir_node *len = get_Call_param(call, 2);
return 1;
}
return 0;
-} /* i_mapper_memset */
+}
-/* A mapper for memcmp */
int i_mapper_memcmp(ir_node *call, void *ctx)
{
ir_node *left = get_Call_param(call, 0);
return 1;
}
return 0;
-} /* i_mapper_memcmp */
+}
/**
* Returns the result mode of a node.
case iro_Mod: return get_Mod_resmode(node);
default: return NULL;
}
-} /* get_irn_res_mode */
-
-#define LMAX(a, b) ((a) > (b) ? (a) : (b))
+}
-/* A mapper for mapping unsupported instructions to runtime calls. */
int i_mapper_RuntimeCall(ir_node *node, runtime_rt *rt)
{
int i, j, arity, first, n_param, n_res;
/* step 0: calculate the number of needed Proj's */
n_proj = 0;
- n_proj = LMAX(n_proj, rt->mem_proj_nr + 1);
- n_proj = LMAX(n_proj, rt->res_proj_nr + 1);
+ n_proj = MAX(n_proj, rt->mem_proj_nr + 1);
+ n_proj = MAX(n_proj, rt->res_proj_nr + 1);
if (throws_exception) {
- n_proj = LMAX(n_proj, rt->regular_proj_nr + 1);
- n_proj = LMAX(n_proj, rt->exc_proj_nr + 1);
+ n_proj = MAX(n_proj, rt->regular_proj_nr + 1);
+ n_proj = MAX(n_proj, rt->exc_proj_nr + 1);
}
if (n_proj > 0) {
}
/* should not happen */
return 0;
-} /* i_mapper_RuntimeCall */
+}
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