コード例 #1
0
ファイル: test-accessing-union.c プロジェクト: 0day-ci/gcc
void
create_code (gcc_jit_context *ctxt, void *user_data)
{
  /* Let's try to inject the equivalent of:
     float
     test_union (int i)
     {
        union int_or_float u;
	u.as_int = i;
	return u.as_float;
     }
  */
  gcc_jit_type *int_type =
    gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT);
  gcc_jit_type *float_type =
    gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_FLOAT);
  gcc_jit_field *as_int =
    gcc_jit_context_new_field (ctxt,
                               NULL,
                               int_type,
                               "as_int");
  gcc_jit_field *as_float =
    gcc_jit_context_new_field (ctxt,
                               NULL,
                               float_type,
                               "as_float");
  gcc_jit_field *fields[] = {as_int, as_float};
  gcc_jit_type *union_type =
    gcc_jit_context_new_union_type (ctxt, NULL,
				    "int_or_float", 2, fields);

  /* Build the test function.  */
  gcc_jit_param *param_i =
    gcc_jit_context_new_param (ctxt, NULL, int_type, "i");
  gcc_jit_function *test_fn =
    gcc_jit_context_new_function (ctxt, NULL,
                                  GCC_JIT_FUNCTION_EXPORTED,
                                  float_type,
                                  "test_union",
                                  1, &param_i,
                                  0);

  gcc_jit_lvalue *u =
    gcc_jit_function_new_local (test_fn, NULL,
				union_type, "u");

  gcc_jit_block *block = gcc_jit_function_new_block (test_fn, NULL);

  /* u.as_int = i; */
  gcc_jit_block_add_assignment (
    block,
    NULL,
    /* "u.as_int = ..." */
    gcc_jit_lvalue_access_field (u,
				 NULL,
				 as_int),
    gcc_jit_param_as_rvalue (param_i));

  /* return u.as_float; */
  gcc_jit_block_end_with_return (
    block, NULL,
    gcc_jit_rvalue_access_field (gcc_jit_lvalue_as_rvalue (u),
				 NULL,
				 as_float));
}
void
create_code (gcc_jit_context *ctxt, void *user_data)
{
  /* Let's try to inject the equivalent of:
     void
     test_bogus_access (struct foo f)
     {
       f.x = f.p;
     }
     i.e. using the wrong struct for the RHS.
  */
  gcc_jit_type *void_type =
    gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_VOID);
  gcc_jit_type *int_type =
    gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT);

  /* Map "struct foo".  */
  gcc_jit_field *x =
    gcc_jit_context_new_field (ctxt,
			       NULL,
			       int_type,
			       "x");
  gcc_jit_field *y =
    gcc_jit_context_new_field (ctxt,
			       NULL,
			       int_type,
			       "y");
  gcc_jit_field *foo_fields[] = {x, y};
  gcc_jit_struct *struct_foo =
    gcc_jit_context_new_struct_type (ctxt, NULL, "foo", 2, foo_fields);

  /* Map "struct bar".  */
  gcc_jit_field *p =
    gcc_jit_context_new_field (ctxt,
			       NULL,
			       int_type,
			       "p");
  gcc_jit_field *q =
    gcc_jit_context_new_field (ctxt,
			       NULL,
			       int_type,
			       "q");
  /* We don't actually need a gcc_jit_type for "struct bar" for the test.  */
  gcc_jit_field *bar_fields[] = {p, q};
  (void)gcc_jit_context_new_struct_type (ctxt, NULL, "foo", 2, bar_fields);

  /* Build the test function.  */
  gcc_jit_param *param_f =
    gcc_jit_context_new_param (ctxt, NULL,
			       gcc_jit_struct_as_type (struct_foo), "f");
  gcc_jit_function *test_fn =
    gcc_jit_context_new_function (ctxt, NULL,
				  GCC_JIT_FUNCTION_EXPORTED,
				  void_type,
				  "test_bogus_access",
				  1, &param_f,
				  0);

  /* OK: f.x = ... */
  gcc_jit_lvalue *lvalue =
    gcc_jit_lvalue_access_field (
      gcc_jit_param_as_lvalue (param_f),
      NULL,
      x);

  /* Erroneous: ... = f.p; */
  gcc_jit_rvalue *rvalue =
      gcc_jit_rvalue_access_field (
	gcc_jit_param_as_rvalue (param_f),
	NULL,
	p);

  gcc_jit_block *block =
    gcc_jit_function_new_block (test_fn, NULL);
  gcc_jit_block_add_assignment (
    block,
    NULL,
    lvalue, rvalue);
  gcc_jit_block_end_with_void_return (block, NULL);
}
コード例 #3
0
void
create_code (gcc_jit_context *ctxt, void * user_data)
{
  gcc_jit_type *type_void = gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_VOID);
  gcc_jit_type *type_int = gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT);
  gcc_jit_type *type_unsigned_char = gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_UNSIGNED_CHAR);
  gcc_jit_type *type_void_ptr =
    gcc_jit_type_get_pointer (type_void);
  gcc_jit_type *type_void_ptr_ptr =
    gcc_jit_type_get_pointer (type_void_ptr);
  gcc_jit_type *type_unsigned_char__ =
    gcc_jit_type_get_pointer (type_unsigned_char);
  gcc_jit_field *field_x =
    gcc_jit_context_new_field (ctxt,
                               NULL, /* gcc_jit_location *loc */
                               type_int, /* gcc_jit_type *type, */
                               "x"); /* const char *name */
  gcc_jit_field *field_y =
    gcc_jit_context_new_field (ctxt,
                               NULL, /* gcc_jit_location *loc */
                               type_int, /* gcc_jit_type *type, */
                               "y"); /* const char *name */
  gcc_jit_struct *struct_struct_ip_coord =
    gcc_jit_context_new_opaque_struct (ctxt,
                                       NULL, /* gcc_jit_location *loc */
                                       "ip_coord"); /* const char *name */
  gcc_jit_field *fields_fields_0x18dc9d0[2] = {
    field_x,
    field_y,
  };
  gcc_jit_struct_set_fields (struct_struct_ip_coord, /* gcc_jit_struct *struct_type */
                             NULL, /* gcc_jit_location *loc */
                             2, /* int num_fields */
                             fields_fields_0x18dc9d0); /* gcc_jit_field **fields */
  gcc_jit_field *field_size =
    gcc_jit_context_new_field (ctxt,
                               NULL, /* gcc_jit_location *loc */
                               gcc_jit_struct_as_type (struct_struct_ip_coord), /* gcc_jit_type *type, */
                               "size"); /* const char *name */
  gcc_jit_field *field_imrow =
    gcc_jit_context_new_field (ctxt,
                               NULL, /* gcc_jit_location *loc */
                               type_void_ptr_ptr, /* gcc_jit_type *type, */
                               "imrow"); /* const char *name */
  gcc_jit_struct *struct_struct_ip_image =
    gcc_jit_context_new_opaque_struct (ctxt,
                                       NULL, /* gcc_jit_location *loc */
                                       "ip_image"); /* const char *name */
  gcc_jit_field *fields_fields_0x18dd310[] = {
    field_size,
    field_imrow
  };
  gcc_jit_struct_set_fields (struct_struct_ip_image, /* gcc_jit_struct *struct_type */
                             NULL, /* gcc_jit_location *loc */
                             2, /* int num_fields */
                             fields_fields_0x18dd310); /* gcc_jit_field **fields */
  gcc_jit_type *type_struct_ip_image__ =
    gcc_jit_type_get_pointer (gcc_jit_struct_as_type (struct_struct_ip_image));
  gcc_jit_param *param_dest =
    gcc_jit_context_new_param (ctxt,
                               NULL, /* gcc_jit_location *loc */
                               type_struct_ip_image__, /*gcc_jit_type *type */
                               "dest"); /* const char *name */
  gcc_jit_param *param_src =
    gcc_jit_context_new_param (ctxt,
                               NULL, /* gcc_jit_location *loc */
                               type_struct_ip_image__, /*gcc_jit_type *type */
                               "src"); /* const char *name */
  gcc_jit_param *params_for_func_ip_jit_im_add_clip_UBYTE[2] = {
    param_dest,
    param_src,
  };
  gcc_jit_function *func_ip_jit_im_add_clip_UBYTE =
    gcc_jit_context_new_function (ctxt, /* gcc_jit_context *ctxt */
                                  NULL, /* gcc_jit_location *loc */
                                  GCC_JIT_FUNCTION_EXPORTED, /* enum gcc_jit_function_kind kind */
                                  type_void, /* gcc_jit_type *return_type */
                                  "ip_jit_im_add_clip_UBYTE", /* const char *name */
                                  2, /* int num_params */
                                  params_for_func_ip_jit_im_add_clip_UBYTE, /* gcc_jit_param **params */
                                  0); /* int is_variadic */
  gcc_jit_lvalue *local_rowlen =
    gcc_jit_function_new_local (func_ip_jit_im_add_clip_UBYTE, /* gcc_jit_function *func */
                                NULL, /* gcc_jit_location *loc */
                                type_int, /* gcc_jit_type *type */
                                "rowlen"); /* const char *name */
  gcc_jit_lvalue *local_numrows =
    gcc_jit_function_new_local (func_ip_jit_im_add_clip_UBYTE, /* gcc_jit_function *func */
                                NULL, /* gcc_jit_location *loc */
                                type_int, /* gcc_jit_type *type */
                                "numrows"); /* const char *name */
  gcc_jit_lvalue *local_j =
    gcc_jit_function_new_local (func_ip_jit_im_add_clip_UBYTE, /* gcc_jit_function *func */
                                NULL, /* gcc_jit_location *loc */
                                type_int, /* gcc_jit_type *type */
                                "j"); /* const char *name */
  gcc_jit_lvalue *local_dptr =
    gcc_jit_function_new_local (func_ip_jit_im_add_clip_UBYTE, /* gcc_jit_function *func */
                                NULL, /* gcc_jit_location *loc */
                                type_unsigned_char__, /* gcc_jit_type *type */
                                "dptr"); /* const char *name */
  gcc_jit_lvalue *local_sptr =
    gcc_jit_function_new_local (func_ip_jit_im_add_clip_UBYTE, /* gcc_jit_function *func */
                                NULL, /* gcc_jit_location *loc */
                                type_unsigned_char__, /* gcc_jit_type *type */
                                "sptr"); /* const char *name */
  gcc_jit_lvalue *local_i =
    gcc_jit_function_new_local (func_ip_jit_im_add_clip_UBYTE, /* gcc_jit_function *func */
                                NULL, /* gcc_jit_location *loc */
                                type_int, /* gcc_jit_type *type */
                                "i"); /* const char *name */
  gcc_jit_block *block_F1 =
    gcc_jit_function_new_block (func_ip_jit_im_add_clip_UBYTE, "F1");
  gcc_jit_block *block_C1 =
    gcc_jit_function_new_block (func_ip_jit_im_add_clip_UBYTE, "C1");
  gcc_jit_block *block_L1 =
    gcc_jit_function_new_block (func_ip_jit_im_add_clip_UBYTE, "L1");
  gcc_jit_block *block_C2 =
    gcc_jit_function_new_block (func_ip_jit_im_add_clip_UBYTE, "C2");
  gcc_jit_block *block_L2 =
    gcc_jit_function_new_block (func_ip_jit_im_add_clip_UBYTE, "L2");
  gcc_jit_block *block_A2 =
    gcc_jit_function_new_block (func_ip_jit_im_add_clip_UBYTE, "A2");
  gcc_jit_block *block_A1 =
    gcc_jit_function_new_block (func_ip_jit_im_add_clip_UBYTE, "A1");
  gcc_jit_lvalue *lvalue_dest__size=
    gcc_jit_rvalue_dereference_field (gcc_jit_param_as_rvalue (param_dest), /* gcc_jit_rvalue *ptr */
                                      NULL, /* gcc_jit_location *loc */
                                      field_size); /* gcc_jit_field *field */
  gcc_jit_rvalue *rvalue_dest__size_x = 
    gcc_jit_rvalue_access_field (gcc_jit_lvalue_as_rvalue (lvalue_dest__size), /*gcc_jit_rvalue *struct_or_union */
                                 NULL, /*gcc_jit_location *loc */
                                 field_x);
  gcc_jit_block_add_assignment (block_F1, /*gcc_jit_block *block */
                                NULL, /* gcc_jit_location *loc */
                                local_rowlen, /* gcc_jit_lvalue *lvalue */
                                rvalue_dest__size_x); /* gcc_jit_rvalue *rvalue */
  gcc_jit_rvalue *rvalue_dest__size_y = 
    gcc_jit_rvalue_access_field (gcc_jit_lvalue_as_rvalue (lvalue_dest__size), /*gcc_jit_rvalue *struct_or_union */
                                 NULL, /*gcc_jit_location *loc */
                                 field_y);
  gcc_jit_block_add_assignment (block_F1, /*gcc_jit_block *block */
                                NULL, /* gcc_jit_location *loc */
                                local_numrows, /* gcc_jit_lvalue *lvalue */
                                rvalue_dest__size_y); /* gcc_jit_rvalue *rvalue */
  gcc_jit_rvalue *rvalue__int_0 =
    gcc_jit_context_new_rvalue_from_int (ctxt, /* gcc_jit_context *ctxt */
                                         type_int, /* gcc_jit_type *numeric_type */
                                         0); /* int value */
  gcc_jit_block_add_assignment (block_F1, /*gcc_jit_block *block */
                                NULL, /* gcc_jit_location *loc */
                                local_j, /* gcc_jit_lvalue *lvalue */
                                rvalue__int_0); /* gcc_jit_rvalue *rvalue */
  gcc_jit_block_end_with_jump (block_F1, /*gcc_jit_block *block */
                               NULL, /* gcc_jit_location *loc */
                               block_C1); /* gcc_jit_block *target */
  gcc_jit_rvalue *rvalue_j___numrows =
    gcc_jit_context_new_comparison (ctxt,
                                    NULL, /* gcc_jit_location *loc */
                                    GCC_JIT_COMPARISON_LT, /* enum gcc_jit_comparison op */
                                    gcc_jit_lvalue_as_rvalue (local_j), /* gcc_jit_rvalue *a */
                                    gcc_jit_lvalue_as_rvalue (local_numrows)); /* gcc_jit_rvalue *b */
  gcc_jit_block_end_with_conditional (block_C1, /*gcc_jit_block *block */
                                      NULL, /* gcc_jit_location *loc */
                                      rvalue_j___numrows, /* gcc_jit_rvalue *boolval */
                                      block_L1, /* gcc_jit_block *on_true */
                                      block_A1); /* gcc_jit_block *on_false */
  gcc_jit_lvalue *lvalue_dest__imrow=
    gcc_jit_rvalue_dereference_field (gcc_jit_param_as_rvalue (param_dest), /* gcc_jit_rvalue *ptr */
                                      NULL, /* gcc_jit_location *loc */
                                      field_imrow); /* gcc_jit_field *field */
  gcc_jit_lvalue *lvalue_dest__imrow_j_ = 
    gcc_jit_context_new_array_access (ctxt, /* gcc_jit_context *ctxt */
                                      NULL, /*gcc_jit_location *loc */
                                      gcc_jit_lvalue_as_rvalue (lvalue_dest__imrow), /* gcc_jit_rvalue *ptr */
                                      gcc_jit_lvalue_as_rvalue (local_j)); /* gcc_jit_rvalue *index */
  gcc_jit_rvalue *rvalue__unsigned_char___dest__imrow_j_ =
    gcc_jit_context_new_cast (ctxt,
                              NULL, /* gcc_jit_location *loc */
                              gcc_jit_lvalue_as_rvalue (lvalue_dest__imrow_j_), /* gcc_jit_rvalue *rvalue */
                              type_unsigned_char__); /* gcc_jit_type *type */
  gcc_jit_block_add_assignment (block_L1, /*gcc_jit_block *block */
                                NULL, /* gcc_jit_location *loc */
                                local_dptr, /* gcc_jit_lvalue *lvalue */
                                rvalue__unsigned_char___dest__imrow_j_); /* gcc_jit_rvalue *rvalue */
  gcc_jit_lvalue *lvalue_src__imrow=
    gcc_jit_rvalue_dereference_field (gcc_jit_param_as_rvalue (param_src), /* gcc_jit_rvalue *ptr */
                                      NULL, /* gcc_jit_location *loc */
                                      field_imrow); /* gcc_jit_field *field */
  gcc_jit_lvalue *lvalue_src__imrow_j_ = 
    gcc_jit_context_new_array_access (ctxt, /* gcc_jit_context *ctxt */
                                      NULL, /*gcc_jit_location *loc */
                                      gcc_jit_lvalue_as_rvalue (lvalue_src__imrow), /* gcc_jit_rvalue *ptr */
                                      gcc_jit_lvalue_as_rvalue (local_j)); /* gcc_jit_rvalue *index */
  gcc_jit_rvalue *rvalue__unsigned_char___src__imrow_j_ =
    gcc_jit_context_new_cast (ctxt,
                              NULL, /* gcc_jit_location *loc */
                              gcc_jit_lvalue_as_rvalue (lvalue_src__imrow_j_), /* gcc_jit_rvalue *rvalue */
                              type_unsigned_char__); /* gcc_jit_type *type */
  gcc_jit_block_add_assignment (block_L1, /*gcc_jit_block *block */
                                NULL, /* gcc_jit_location *loc */
                                local_sptr, /* gcc_jit_lvalue *lvalue */
                                rvalue__unsigned_char___src__imrow_j_); /* gcc_jit_rvalue *rvalue */
  gcc_jit_rvalue *rvalue__int_0_0x18dd890 =
    gcc_jit_context_new_rvalue_from_int (ctxt, /* gcc_jit_context *ctxt */
                                         type_int, /* gcc_jit_type *numeric_type */
                                         0); /* int value */
  gcc_jit_block_add_assignment (block_L1, /*gcc_jit_block *block */
                                NULL, /* gcc_jit_location *loc */
                                local_i, /* gcc_jit_lvalue *lvalue */
                                rvalue__int_0_0x18dd890); /* gcc_jit_rvalue *rvalue */
  gcc_jit_block_end_with_jump (block_L1, /*gcc_jit_block *block */
                               NULL, /* gcc_jit_location *loc */
                               block_C2); /* gcc_jit_block *target */
  gcc_jit_rvalue *rvalue_i___rowlen =
    gcc_jit_context_new_comparison (ctxt,
                                    NULL, /* gcc_jit_location *loc */
                                    GCC_JIT_COMPARISON_LT, /* enum gcc_jit_comparison op */
                                    gcc_jit_lvalue_as_rvalue (local_i), /* gcc_jit_rvalue *a */
                                    gcc_jit_lvalue_as_rvalue (local_rowlen)); /* gcc_jit_rvalue *b */
  gcc_jit_block_end_with_conditional (block_C2, /*gcc_jit_block *block */
                                      NULL, /* gcc_jit_location *loc */
                                      rvalue_i___rowlen, /* gcc_jit_rvalue *boolval */
                                      block_L2, /* gcc_jit_block *on_true */
                                      block_A2); /* gcc_jit_block *on_false */
  gcc_jit_lvalue *dereference__dptr =
    gcc_jit_rvalue_dereference (gcc_jit_lvalue_as_rvalue (local_dptr), /* gcc_jit_rvalue *rvalue */
                                NULL); /* gcc_jit_location *loc */
  gcc_jit_lvalue *dereference__sptr =
    gcc_jit_rvalue_dereference (gcc_jit_lvalue_as_rvalue (local_sptr), /* gcc_jit_rvalue *rvalue */
                                NULL); /* gcc_jit_location *loc */
  gcc_jit_block *block_p_C1_true =
    gcc_jit_function_new_block (func_ip_jit_im_add_clip_UBYTE, "p_C1_true");
  gcc_jit_block *block_p_C1_end =
    gcc_jit_function_new_block (func_ip_jit_im_add_clip_UBYTE, "p_C1_end");
  gcc_jit_lvalue *local_ival =
    gcc_jit_function_new_local (func_ip_jit_im_add_clip_UBYTE, /* gcc_jit_function *func */
                                NULL, /* gcc_jit_location *loc */
                                type_int, /* gcc_jit_type *type */
                                "ival"); /* const char *name */
  gcc_jit_rvalue *rvalue__int__dptr =
    gcc_jit_context_new_cast (ctxt,
                              NULL, /* gcc_jit_location *loc */
                              gcc_jit_lvalue_as_rvalue (dereference__dptr), /* gcc_jit_rvalue *rvalue */
                              type_int); /* gcc_jit_type *type */
  gcc_jit_rvalue *rvalue__int__sptr =
    gcc_jit_context_new_cast (ctxt,
                              NULL, /* gcc_jit_location *loc */
                              gcc_jit_lvalue_as_rvalue (dereference__sptr), /* gcc_jit_rvalue *rvalue */
                              type_int); /* gcc_jit_type *type */
  gcc_jit_rvalue *rvalue__int__dptr____int__sptr =
    gcc_jit_context_new_binary_op (ctxt,
                                   NULL, /* gcc_jit_location *loc */
                                   GCC_JIT_BINARY_OP_PLUS, /* enum gcc_jit_binary_op op */
                                   type_int, /* gcc_jit_type *result_type */
                                   rvalue__int__dptr, /* gcc_jit_rvalue *a */
                                   rvalue__int__sptr); /* gcc_jit_rvalue *b */
  gcc_jit_block_add_assignment (block_L2, /*gcc_jit_block *block */
                                NULL, /* gcc_jit_location *loc */
                                local_ival, /* gcc_jit_lvalue *lvalue */
                                rvalue__int__dptr____int__sptr); /* gcc_jit_rvalue *rvalue */
  gcc_jit_rvalue *rvalue__int_255 =
    gcc_jit_context_new_rvalue_from_int (ctxt, /* gcc_jit_context *ctxt */
                                         type_int, /* gcc_jit_type *numeric_type */
                                         255); /* int value */
  gcc_jit_rvalue *rvalue_ival____int_255 =
    gcc_jit_context_new_comparison (ctxt,
                                    NULL, /* gcc_jit_location *loc */
                                    GCC_JIT_COMPARISON_GT, /* enum gcc_jit_comparison op */
                                    gcc_jit_lvalue_as_rvalue (local_ival), /* gcc_jit_rvalue *a */
                                    rvalue__int_255); /* gcc_jit_rvalue *b */
  gcc_jit_block_end_with_conditional (block_L2, /*gcc_jit_block *block */
                                      NULL, /* gcc_jit_location *loc */
                                      rvalue_ival____int_255, /* gcc_jit_rvalue *boolval */
                                      block_p_C1_true, /* gcc_jit_block *on_true */
                                      block_p_C1_end); /* gcc_jit_block *on_false */
  gcc_jit_block_add_assignment (block_p_C1_true, /*gcc_jit_block *block */
                                NULL, /* gcc_jit_location *loc */
                                local_ival, /* gcc_jit_lvalue *lvalue */
                                rvalue__int_255); /* gcc_jit_rvalue *rvalue */
  gcc_jit_block_end_with_jump (block_p_C1_true, /*gcc_jit_block *block */
                               NULL, /* gcc_jit_location *loc */
                               block_p_C1_end); /* gcc_jit_block *target */
  gcc_jit_rvalue *rvalue__unsigned_char_ival =
    gcc_jit_context_new_cast (ctxt,
                              NULL, /* gcc_jit_location *loc */
                              gcc_jit_lvalue_as_rvalue (local_ival), /* gcc_jit_rvalue *rvalue */
                              type_unsigned_char); /* gcc_jit_type *type */
  gcc_jit_lvalue *dereference__dptr_0x18df2e0 =
    gcc_jit_rvalue_dereference (gcc_jit_lvalue_as_rvalue (local_dptr), /* gcc_jit_rvalue *rvalue */
                                NULL); /* gcc_jit_location *loc */
  gcc_jit_block_add_assignment (block_p_C1_end, /*gcc_jit_block *block */
                                NULL, /* gcc_jit_location *loc */
                                dereference__dptr_0x18df2e0, /* gcc_jit_lvalue *lvalue */
                                rvalue__unsigned_char_ival); /* gcc_jit_rvalue *rvalue */
  gcc_jit_rvalue *rvalue__int_1 =
    gcc_jit_context_new_rvalue_from_int (ctxt, /* gcc_jit_context *ctxt */
                                         type_int, /* gcc_jit_type *numeric_type */
                                         1); /* int value */
  gcc_jit_lvalue *lvalue_dptr__int_1_ = 
    gcc_jit_context_new_array_access (ctxt, /* gcc_jit_context *ctxt */
                                      NULL, /*gcc_jit_location *loc */
                                      gcc_jit_lvalue_as_rvalue (local_dptr), /* gcc_jit_rvalue *ptr */
                                      rvalue__int_1); /* gcc_jit_rvalue *index */
  gcc_jit_rvalue *address_of__dptr__int_1_ =
    gcc_jit_lvalue_get_address (lvalue_dptr__int_1_, /* gcc_jit_lvalue *lvalue */
                                NULL); /* gcc_jit_location *loc */
  gcc_jit_block_add_assignment (block_p_C1_end, /*gcc_jit_block *block */
                                NULL, /* gcc_jit_location *loc */
                                local_dptr, /* gcc_jit_lvalue *lvalue */
                                address_of__dptr__int_1_); /* gcc_jit_rvalue *rvalue */
  gcc_jit_rvalue *rvalue__int_1_0x18df500 =
    gcc_jit_context_new_rvalue_from_int (ctxt, /* gcc_jit_context *ctxt */
                                         type_int, /* gcc_jit_type *numeric_type */
                                         1); /* int value */
  gcc_jit_lvalue *lvalue_sptr__int_1_ = 
    gcc_jit_context_new_array_access (ctxt, /* gcc_jit_context *ctxt */
                                      NULL, /*gcc_jit_location *loc */
                                      gcc_jit_lvalue_as_rvalue (local_sptr), /* gcc_jit_rvalue *ptr */
                                      rvalue__int_1_0x18df500); /* gcc_jit_rvalue *index */
  gcc_jit_rvalue *address_of__sptr__int_1_ =
    gcc_jit_lvalue_get_address (lvalue_sptr__int_1_, /* gcc_jit_lvalue *lvalue */
                                NULL); /* gcc_jit_location *loc */
  gcc_jit_block_add_assignment (block_p_C1_end, /*gcc_jit_block *block */
                                NULL, /* gcc_jit_location *loc */
                                local_sptr, /* gcc_jit_lvalue *lvalue */
                                address_of__sptr__int_1_); /* gcc_jit_rvalue *rvalue */
  gcc_jit_rvalue *rvalue__int_1_0x18df650 =
    gcc_jit_context_new_rvalue_from_int (ctxt, /* gcc_jit_context *ctxt */
                                         type_int, /* gcc_jit_type *numeric_type */
                                         1); /* int value */
  gcc_jit_rvalue *rvalue_i____int_1 =
    gcc_jit_context_new_binary_op (ctxt,
                                   NULL, /* gcc_jit_location *loc */
                                   GCC_JIT_BINARY_OP_PLUS, /* enum gcc_jit_binary_op op */
                                   type_int, /* gcc_jit_type *result_type */
                                   gcc_jit_lvalue_as_rvalue (local_i), /* gcc_jit_rvalue *a */
                                   rvalue__int_1_0x18df650); /* gcc_jit_rvalue *b */
  gcc_jit_block_add_assignment (block_p_C1_end, /*gcc_jit_block *block */
                                NULL, /* gcc_jit_location *loc */
                                local_i, /* gcc_jit_lvalue *lvalue */
                                rvalue_i____int_1); /* gcc_jit_rvalue *rvalue */
  gcc_jit_block_end_with_jump (block_p_C1_end, /*gcc_jit_block *block */
                               NULL, /* gcc_jit_location *loc */
                               block_C2); /* gcc_jit_block *target */
  gcc_jit_rvalue *rvalue__int_1_0x18df7e0 =
    gcc_jit_context_new_rvalue_from_int (ctxt, /* gcc_jit_context *ctxt */
                                         type_int, /* gcc_jit_type *numeric_type */
                                         1); /* int value */
  gcc_jit_rvalue *rvalue_j____int_1 =
    gcc_jit_context_new_binary_op (ctxt,
                                   NULL, /* gcc_jit_location *loc */
                                   GCC_JIT_BINARY_OP_PLUS, /* enum gcc_jit_binary_op op */
                                   type_int, /* gcc_jit_type *result_type */
                                   gcc_jit_lvalue_as_rvalue (local_j), /* gcc_jit_rvalue *a */
                                   rvalue__int_1_0x18df7e0); /* gcc_jit_rvalue *b */
  gcc_jit_block_add_assignment (block_A2, /*gcc_jit_block *block */
                                NULL, /* gcc_jit_location *loc */
                                local_j, /* gcc_jit_lvalue *lvalue */
                                rvalue_j____int_1); /* gcc_jit_rvalue *rvalue */
  gcc_jit_block_end_with_jump (block_A2, /*gcc_jit_block *block */
                               NULL, /* gcc_jit_location *loc */
                               block_C1); /* gcc_jit_block *target */
  gcc_jit_block_end_with_void_return (block_A1, /*gcc_jit_block *block */
                                      NULL); /* gcc_jit_location *loc */
}
コード例 #4
0
ファイル: test-nested-contexts.c プロジェクト: AlexMioMio/gcc
static void
make_test_quadratic (struct top_level *top_level,
		     struct middle_level *middle_level,
		     struct bottom_level *bottom_level)
{
  gcc_jit_param *a =
    gcc_jit_context_new_param (bottom_level->ctxt, NULL,
			       top_level->numeric_type, "a");
  gcc_jit_param *b =
    gcc_jit_context_new_param (bottom_level->ctxt, NULL,
			       top_level->numeric_type, "b");
  gcc_jit_param *c =
    gcc_jit_context_new_param (bottom_level->ctxt, NULL,
			       top_level->numeric_type, "c");
  gcc_jit_param *r1 =
    gcc_jit_context_new_param (bottom_level->ctxt, NULL,
			       top_level->numeric_type_ptr, "r1");
  gcc_jit_param *r2 =
    gcc_jit_context_new_param (bottom_level->ctxt, NULL,
			       top_level->numeric_type_ptr, "r2");
  gcc_jit_param *params[] = {a, b, c, r1, r2};
  gcc_jit_function *test_quadratic =
    gcc_jit_context_new_function (bottom_level->ctxt, NULL,
				  GCC_JIT_FUNCTION_EXPORTED,
				  top_level->int_type,
				  "test_quadratic",
				  5, params,
				  0);

  /* struct quadratic q; */
  gcc_jit_lvalue *q =
    gcc_jit_function_new_local (
      test_quadratic, NULL,
      top_level->struct_quadratic,
      "q");

  gcc_jit_block *initial =
    gcc_jit_function_new_block (test_quadratic,
				"initial");
  gcc_jit_block *on_positive_discriminant
    = gcc_jit_function_new_block (test_quadratic,
				  "positive_discriminant");

  gcc_jit_block *on_nonpositive_discriminant
    = gcc_jit_function_new_block (test_quadratic,
				  "nonpositive_discriminant");

  gcc_jit_block *on_zero_discriminant
    = gcc_jit_function_new_block (test_quadratic,
				  "zero_discriminant");

  gcc_jit_block *on_negative_discriminant
    = gcc_jit_function_new_block (test_quadratic,
				  "negative_discriminant");

  /* Initial block.  */
  /* q.a = a; */
  gcc_jit_block_add_assignment (
    initial, NULL,
    gcc_jit_lvalue_access_field (q, NULL, top_level->a),
    gcc_jit_param_as_rvalue (a));
  /* q.b = b; */
  gcc_jit_block_add_assignment (
    initial, NULL,
    gcc_jit_lvalue_access_field (q, NULL, top_level->b),
    gcc_jit_param_as_rvalue (b));
  /* q.c = c; */
  gcc_jit_block_add_assignment (
    initial, NULL,
    gcc_jit_lvalue_access_field (q, NULL, top_level->c),
    gcc_jit_param_as_rvalue (c));
  /* calc_discriminant (&q); */
  gcc_jit_rvalue *address_of_q = gcc_jit_lvalue_get_address (q, NULL);
  gcc_jit_block_add_eval (
    initial, NULL,
    gcc_jit_context_new_call (
      bottom_level->ctxt, NULL,
      middle_level->calc_discriminant,
      1, &address_of_q));

  gcc_jit_block_add_comment (
    initial, NULL,
    "if (q.discriminant > 0)");
  gcc_jit_block_end_with_conditional (
    initial, NULL,
    gcc_jit_context_new_comparison (
      bottom_level->ctxt, NULL,
      GCC_JIT_COMPARISON_GT,
      gcc_jit_rvalue_access_field (
	gcc_jit_lvalue_as_rvalue (q),
	NULL,
	top_level->discriminant),
      top_level->zero),
    on_positive_discriminant,
    on_nonpositive_discriminant);

  /* Block: "on_positive_discriminant" */
  /* double s = sqrt (q.discriminant); */
  gcc_jit_lvalue *s = gcc_jit_function_new_local (
    test_quadratic, NULL,
    top_level->numeric_type,
    "s");
  gcc_jit_rvalue *discriminant_of_q =
    gcc_jit_rvalue_access_field (gcc_jit_lvalue_as_rvalue (q),
				 NULL,
				 top_level->discriminant);
  gcc_jit_block_add_assignment (
    on_positive_discriminant, NULL,
    s,
    gcc_jit_context_new_call (
      bottom_level->ctxt, NULL,
      top_level->sqrt,
      1, &discriminant_of_q));

  gcc_jit_rvalue *minus_b =
    gcc_jit_context_new_unary_op (
      bottom_level->ctxt, NULL,
      GCC_JIT_UNARY_OP_MINUS,
      top_level->numeric_type,
      gcc_jit_param_as_rvalue (b));
  gcc_jit_rvalue *two_a =
    gcc_jit_context_new_binary_op (
      bottom_level->ctxt, NULL,
      GCC_JIT_BINARY_OP_MULT,
      top_level->numeric_type,
      gcc_jit_context_new_rvalue_from_int (
	bottom_level->ctxt,
	top_level->numeric_type,
	2),
      gcc_jit_param_as_rvalue (a));

  gcc_jit_block_add_comment (
    on_positive_discriminant, NULL,
    "*r1 = (-b + s) / (2 * a);");
  gcc_jit_block_add_assignment (
    on_positive_discriminant, NULL,

    /* "*r1 = ..." */
    gcc_jit_rvalue_dereference (
      gcc_jit_param_as_rvalue (r1), NULL),

    /* (-b + s) / (2 * a) */
    gcc_jit_context_new_binary_op (
      bottom_level->ctxt, NULL,
      GCC_JIT_BINARY_OP_DIVIDE,
      top_level->numeric_type,
      gcc_jit_context_new_binary_op (
	bottom_level->ctxt, NULL,
	GCC_JIT_BINARY_OP_PLUS,
	top_level->numeric_type,
	minus_b,
	gcc_jit_lvalue_as_rvalue (s)),
      two_a));

  gcc_jit_block_add_comment (
    on_positive_discriminant, NULL,
    "*r2 = (-b - s) / (2 * a)");
  gcc_jit_block_add_assignment (
    on_positive_discriminant, NULL,

    /* "*r2 = ..." */
    gcc_jit_rvalue_dereference (
      gcc_jit_param_as_rvalue (r2), NULL),

    /* (-b - s) / (2 * a) */
    gcc_jit_context_new_binary_op (
      bottom_level->ctxt, NULL,
      GCC_JIT_BINARY_OP_DIVIDE,
      top_level->numeric_type,
      gcc_jit_context_new_binary_op (
	bottom_level->ctxt, NULL,
	GCC_JIT_BINARY_OP_MINUS,
	top_level->numeric_type,
	minus_b,
	gcc_jit_lvalue_as_rvalue (s)),
      two_a));

  /* "return 2;" */
  gcc_jit_block_end_with_return (
    on_positive_discriminant, NULL,
    gcc_jit_context_new_rvalue_from_int (
      bottom_level->ctxt,
      top_level->int_type,
      2));

  /* Block: "on_nonpositive_discriminant" */
  gcc_jit_block_add_comment (
    on_nonpositive_discriminant, NULL,
    "else if (q.discriminant == 0)");
  gcc_jit_block_end_with_conditional (
    on_nonpositive_discriminant, NULL,
    gcc_jit_context_new_comparison (
      bottom_level->ctxt, NULL,
      GCC_JIT_COMPARISON_EQ,
      gcc_jit_rvalue_access_field (
	gcc_jit_lvalue_as_rvalue (q),
	NULL,
	top_level->discriminant),
      top_level->zero),
    on_zero_discriminant,
    on_negative_discriminant);

  /* Block: "on_zero_discriminant" */
  gcc_jit_block_add_comment (
    on_zero_discriminant, NULL,
    "*r1 = -b / (2 * a);");
  gcc_jit_block_add_assignment (
    on_zero_discriminant, NULL,

    /* "*r1 = ..." */
    gcc_jit_rvalue_dereference (
      gcc_jit_param_as_rvalue (r1), NULL),

    /* -b / (2 * a) */
    gcc_jit_context_new_binary_op (
      bottom_level->ctxt, NULL,
      GCC_JIT_BINARY_OP_DIVIDE,
      top_level->numeric_type,
      minus_b,
      two_a));

  /* "return 1;" */
  gcc_jit_block_end_with_return (
    on_zero_discriminant, NULL,
      gcc_jit_context_one (bottom_level->ctxt, top_level->int_type));

  /* Block: "on_negative_discriminant" */
  gcc_jit_block_end_with_return (
    /* else return 0; */
    on_negative_discriminant, NULL,
    gcc_jit_context_zero (bottom_level->ctxt, top_level->int_type));
}