X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Flower%2Flower_intrinsics.c;h=69bfc6fa855dc184be1fb6512187f7093cad6325;hb=d16b1e9e4d47b1f467067aadb36d58fc79b37788;hp=22bd191fd342233f8b61d5e0d5e8b3f11ea237d7;hpb=77402d90eda5171ba1377a3fb79cfcc161bc9d25;p=libfirm

diff --git a/ir/lower/lower_intrinsics.c b/ir/lower/lower_intrinsics.c
index 22bd191fd..69bfc6fa8 100644
--- a/ir/lower/lower_intrinsics.c
+++ b/ir/lower/lower_intrinsics.c
@@ -20,66 +20,101 @@
 #include <malloc.h>
 #endif
 
+#include "irop_t.h"
 #include "irprog_t.h"
 #include "irnode_t.h"
+#include "irprog_t.h"
 #include "irgwalk.h"
 #include "ircons.h"
 #include "irgmod.h"
+#include "irgopt.h"
+#include "trouts.h"
 #include "lower_intrinsics.h"
 #include "pmap.h"
 
 /** Walker environment */
 typedef struct _walker_env {
-  pmap     *map;              /**< the intrinsic map. */
-  unsigned nr_of_intrinsics;  /**< statistics */
+  pmap     *c_map;              /**< The intrinsic call map. */
+  unsigned nr_of_intrinsics;    /**< statistics */
+  i_instr_record **i_map;       /**< The intrinsic instruction map. */
 } walker_env_t;
 
 /**
- * walker: do the call mapping
+ * walker: call all mapper functions
  */
-static void call_mapper(ir_node *call, void *env) {
+static void call_mapper(ir_node *node, void *env) {
   walker_env_t *wenv = env;
-  ir_node *symconst;
-  pmap_entry *p;
-  const i_record *r;
-  entity *ent;
+  ir_op *op = get_irn_op(node);
 
-  if (get_irn_op(call) != op_Call)
-    return;
+  if (op == op_Call) {
+    ir_node *symconst;
+    pmap_entry *p;
+    const i_call_record *r;
+    entity *ent;
 
-  symconst = get_Call_ptr(call);
-  if (get_irn_op(symconst) != op_SymConst ||
-      get_SymConst_kind(symconst) != symconst_addr_ent)
-    return;
+    symconst = get_Call_ptr(node);
+    if (get_irn_op(symconst) != op_SymConst ||
+        get_SymConst_kind(symconst) != symconst_addr_ent)
+      return;
 
-  ent = get_SymConst_entity(symconst);
-  p   = pmap_find(wenv->map, ent);
+    ent = get_SymConst_entity(symconst);
+    p   = pmap_find(wenv->c_map, ent);
 
-  if (p) {
-    r = p->value;
-    wenv->nr_of_intrinsics += r->i_mapper(call, r->ctx) ? 1 : 0;
+    if (p) {
+      r = p->value;
+      wenv->nr_of_intrinsics += r->i_mapper(node, r->ctx) ? 1 : 0;
+    }
+  }
+  else {
+    if (0 <= op->code && op->code < ARR_LEN(wenv->i_map)) {
+      const i_instr_record *r = wenv->i_map[op->code];
+      /* run all possible mapper */
+      while (r) {
+        if (r->i_mapper(node, r->ctx)) {
+          ++wenv->nr_of_intrinsics;
+          break;
+        }
+        r = r->link;
+      }
+    }
   }
 }
 
 /* Go through all graphs and map calls to intrinsic functions. */
-unsigned lower_intrinsic_calls(const i_record *list, int length) {
-  int          i;
-  ir_graph     *irg;
-  pmap         *map = pmap_create_ex(length);
-  walker_env_t wenv;
-  unsigned     nr_of_intrinsics = 0;
+unsigned lower_intrinsics(i_record *list, int length) {
+  int            i, n_ops = get_irp_n_opcodes();
+  ir_graph       *irg;
+  pmap           *c_map = pmap_create_ex(length);
+  i_instr_record **i_map;
+  unsigned       nr_of_intrinsics = 0;
+  walker_env_t   wenv;
+
+  /* we use the ir_op generic pointers here */
+  NEW_ARR_A(const i_instr_record *, i_map, n_ops);
+  memset((void *)i_map, 0, sizeof(*i_map) * n_ops);
 
   /* fill a map for faster search */
-  for (i = length - 1; i >= 0; --i)
-    pmap_insert(map, list[i].i_ent, (void *)&list[i]);
+  for (i = length - 1; i >= 0; --i) {
+    if (list[i].i_call.kind == INTRINSIC_CALL) {
+      pmap_insert(c_map, list[i].i_call.i_ent, (void *)&list[i].i_call);
+    }
+    else {
+      ir_op *op = list[i].i_instr.op;
+      assert(0 <= op->code && op->code < ARR_LEN(i_map));
 
-  wenv.map = map;
+      list[i].i_instr.link = i_map[op->code];
+      i_map[op->code] = &list[i].i_instr;
+    }
+  }
+
+  wenv.c_map = c_map;
+  wenv.i_map = i_map;
 
   for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
     irg = get_irp_irg(i);
 
     wenv.nr_of_intrinsics = 0;
-    irg_walk_graph(irg, NULL, call_mapper, map);
+    irg_walk_graph(irg, NULL, call_mapper, &wenv);
 
     if (wenv.nr_of_intrinsics) {
       /* changes detected */
@@ -88,12 +123,19 @@ unsigned lower_intrinsic_calls(const i_record *list, int length) {
 
       /* exception control flow might have changed */
       set_irg_doms_inconsistent(irg);
+      set_irg_extblk_inconsistent(irg);
       set_irg_loopinfo_inconsistent(irg);
 
+      /* calls might be removed/added */
+      set_trouts_inconsistent();
+
+      /* optimize it, tuple might be created */
+      local_optimize_graph(irg);
+
       nr_of_intrinsics += wenv.nr_of_intrinsics;
     }
   }
-  pmap_destroy(map);
+  pmap_destroy(c_map);
 
   return nr_of_intrinsics;
 }
@@ -142,3 +184,126 @@ int i_mapper_Alloca(ir_node *call, void *ctx) {
 
   return 1;
 }
+
+#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;
+  long n_proj;
+  ir_type *mtp;
+  ir_node *mem, *bl, *call, *addr, *res_proj;
+  ir_node **in;
+  ir_graph *irg;
+  symconst_symbol sym;
+
+  /* check if the result modes match */
+  if (get_irn_mode(node) != rt->mode)
+    return 0;
+
+  arity = get_irn_arity(node);
+  if (arity <= 0)
+    return 0;
+
+  mtp     = get_entity_type(rt->ent);
+  n_param = get_method_n_params(mtp);
+  irg     = current_ir_graph;
+
+  mem = get_irn_n(node, 0);
+  if (get_irn_mode(mem) != mode_M) {
+    mem = new_r_NoMem(irg);
+    first = 0;
+  }
+  else
+    first = 1;
+
+  /* check if the modes of the predecessors match the parameter modes */
+  if (arity - first != n_param)
+    return 0;
+
+  for (i = first, j = 0; i < arity; ++i, ++j) {
+    ir_type *param_tp = get_method_param_type(mtp, j);
+    ir_node *pred = get_irn_n(node, i);
+
+    if (get_type_mode(param_tp) != get_irn_mode(pred))
+      return 0;
+  }
+
+  n_res = get_method_n_ress(mtp);
+
+  /* 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->exc_proj_nr + 1);
+  n_proj = LMAX(n_proj, rt->exc_mem_proj_nr + 1);
+  n_proj = LMAX(n_proj, rt->res_proj_nr + 1);
+
+  if (n_proj > 0) {
+    if (rt->mode != mode_T) /* must be mode_T */
+      return 0;
+  }
+  else {
+    if (n_res > 0)
+      /* must match */
+      if (get_type_mode(get_method_res_type(mtp, 0)) != rt->mode)
+        return 0;
+  }
+
+  /* ok, when we are here, the number of predecessors match as well as the parameter modes */
+  bl = get_nodes_block(node);
+
+  in = NULL;
+  if (n_param > 0) {
+    NEW_ARR_A(ir_node *, in, n_param);
+    for (i = 0; i < n_param; ++i)
+      in[i] = get_irn_n(node, first + i);
+  }
+
+  /* step 1: create the call */
+  sym.entity_p = rt->ent;
+  addr = new_r_SymConst(irg, bl, sym, symconst_addr_ent);
+  call = new_rd_Call(get_irn_dbg_info(node), irg, bl, mem, addr, n_param, in, mtp);
+  set_irn_pinned(call, get_irn_pinned(node));
+
+  if (n_res > 0)
+    res_proj = new_r_Proj(irg, bl, call, mode_T, pn_Call_T_result);
+
+  if (n_proj > 0) {
+    n_proj += n_res - 1;
+
+    /* we are ready */
+    turn_into_tuple(node, n_proj);
+
+    for (i = 0; i < n_proj; ++i)
+      set_Tuple_pred(node, i, new_r_Bad(irg));
+    if (rt->mem_proj_nr >= 0)
+      set_Tuple_pred(node, rt->mem_proj_nr, new_r_Proj(irg, bl, call, mode_M, pn_Call_M_regular));
+    if (get_irn_op(mem) != op_NoMem) {
+      /* Exceptions can only be handled with real memory */
+      if (rt->exc_proj_nr >= 0)
+        set_Tuple_pred(node, rt->mem_proj_nr, new_r_Proj(irg, bl, call, mode_X, pn_Call_X_except));
+      if (rt->exc_mem_proj_nr >= 0)
+        set_Tuple_pred(node, rt->mem_proj_nr, new_r_Proj(irg, bl, call, mode_M, pn_Call_M_except));
+    }
+
+    if (rt->res_proj_nr >= 0)
+      for (i = 0; i < n_res; ++i)
+        set_Tuple_pred(node, rt->res_proj_nr + i,
+          new_r_Proj(irg, bl, res_proj, get_type_mode(get_method_res_type(mtp, i)), i));
+    return 1;
+  }
+  else {
+    /* only one return value supported */
+    if (n_res > 0) {
+      ir_mode *mode = get_type_mode(get_method_res_type(mtp, 0));
+
+      res_proj = new_r_Proj(irg, bl, call, mode_T, pn_Call_T_result);
+      res_proj = new_r_Proj(irg, bl, res_proj, mode, 0);
+
+      exchange(node, res_proj);
+      return 1;
+    }
+  }
+  /* should not happen */
+  return 0;
+}