C++ MEM_P函数代码示例

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本文整理汇总了C++中MEM_P函数的典型用法代码示例。如果您正苦于以下问题：C++ MEM_P函数的具体用法？C++ MEM_P怎么用？C++ MEM_P使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了MEM_P函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: nds32_emit_mem_move

static void
nds32_emit_mem_move (rtx src, rtx dst,
		     enum machine_mode mode,
		     int addr_offset)
{
  gcc_assert (MEM_P (src) && MEM_P (dst));
  rtx tmp_reg = gen_reg_rtx (mode);
  nds32_emit_load_store (tmp_reg, src, mode,
			 addr_offset, /* load_p */ true);
  nds32_emit_load_store (tmp_reg, dst, mode,
			 addr_offset, /* load_p */ false);
}

开发者ID:KangDroid，项目名称:gcc，代码行数:12，代码来源:nds32-memory-manipulation.c

示例2: gen_lowpart_general

rtx
gen_lowpart_general (machine_mode mode, rtx x)
{
  rtx result = gen_lowpart_common (mode, x);

  if (result)
    return result;
  /* Handle SUBREGs and hard REGs that were rejected by
     simplify_gen_subreg.  */
  else if (REG_P (x) || GET_CODE (x) == SUBREG)
    {
      result = gen_lowpart_common (mode, copy_to_reg (x));
      gcc_assert (result != 0);
      return result;
    }
  else
    {
      /* The only additional case we can do is MEM.  */
      gcc_assert (MEM_P (x));

      /* The following exposes the use of "x" to CSE.  */
      scalar_int_mode xmode;
      if (is_a <scalar_int_mode> (GET_MODE (x), &xmode)
	  && GET_MODE_SIZE (xmode) <= UNITS_PER_WORD
	  && TRULY_NOOP_TRUNCATION_MODES_P (mode, xmode)
	  && !reload_completed)
	return gen_lowpart_general (mode, force_reg (xmode, x));

      poly_int64 offset = byte_lowpart_offset (mode, GET_MODE (x));
      return adjust_address (x, mode, offset);
    }
}

开发者ID:MaxKellermann，项目名称:gcc，代码行数:32，代码来源:rtlhooks.c

示例3: gen_lowpart_if_possible

rtx
gen_lowpart_if_possible (machine_mode mode, rtx x)
{
  rtx result = gen_lowpart_common (mode, x);

  if (result)
    return result;
  else if (MEM_P (x))
    {
      /* This is the only other case we handle.  */
      poly_int64 offset = byte_lowpart_offset (mode, GET_MODE (x));
      rtx new_rtx = adjust_address_nv (x, mode, offset);
      if (! memory_address_addr_space_p (mode, XEXP (new_rtx, 0),
					 MEM_ADDR_SPACE (x)))
	return 0;

      return new_rtx;
    }
  else if (mode != GET_MODE (x) && GET_MODE (x) != VOIDmode
	   && validate_subreg (mode, GET_MODE (x), x,
			        subreg_lowpart_offset (mode, GET_MODE (x))))
    return gen_lowpart_SUBREG (mode, x);
  else
    return 0;
}

开发者ID:MaxKellermann，项目名称:gcc，代码行数:25，代码来源:rtlhooks.c

示例4: DECL_COMMON

void
symtab_node::make_decl_local (void)
{
  rtx rtl, symbol;

  /* Avoid clearing comdat_groups on comdat-local decls.  */
  if (TREE_PUBLIC (decl) == 0)
    return;

  if (TREE_CODE (decl) == VAR_DECL)
    DECL_COMMON (decl) = 0;
  else gcc_assert (TREE_CODE (decl) == FUNCTION_DECL);

  DECL_COMDAT (decl) = 0;
  DECL_WEAK (decl) = 0;
  DECL_EXTERNAL (decl) = 0;
  DECL_VISIBILITY_SPECIFIED (decl) = 0;
  DECL_VISIBILITY (decl) = VISIBILITY_DEFAULT;
  TREE_PUBLIC (decl) = 0;
  if (!DECL_RTL_SET_P (decl))
    return;

  /* Update rtl flags.  */
  make_decl_rtl (decl);

  rtl = DECL_RTL (decl);
  if (!MEM_P (rtl))
    return;

  symbol = XEXP (rtl, 0);
  if (GET_CODE (symbol) != SYMBOL_REF)
    return;

  SYMBOL_REF_WEAK (symbol) = DECL_WEAK (decl);
}

开发者ID:lv88h，项目名称:gcc，代码行数:35，代码来源:symtab.c

示例5: sdbout_toplevel_data

static void
sdbout_toplevel_data (tree decl)
{
  tree type = TREE_TYPE (decl);

  if (DECL_IGNORED_P (decl))
    return;

  gcc_assert (TREE_CODE (decl) == VAR_DECL);
  gcc_assert (MEM_P (DECL_RTL (decl)));
  gcc_assert (DECL_INITIAL (decl));

  PUT_SDB_DEF (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)));
  PUT_SDB_VAL (XEXP (DECL_RTL (decl), 0));
  if (TREE_PUBLIC (decl))
    {
      PUT_SDB_SCL (C_EXT);
    }
  else
    {
      PUT_SDB_SCL (C_STAT);
    }
  PUT_SDB_TYPE (plain_type (type));
  PUT_SDB_ENDEF;
}

开发者ID:BoxianLai，项目名称:moxiedev，代码行数:25，代码来源:sdbout.c

示例6: unknown

/* Return true if X contains memory or some UNSPEC.  We can not just
   check insn operands as memory or unspec might be not an operand
   itself but contain an operand.  Insn with memory access is not
   profitable for rematerialization.  Rematerialization of UNSPEC
   might result in wrong code generation as the UNPEC effect is
   unknown (e.g. generating a label).  */
static bool
bad_for_rematerialization_p (rtx x)
{
  int i, j;
  const char *fmt;
  enum rtx_code code;

  if (MEM_P (x) || GET_CODE (x) == UNSPEC || GET_CODE (x) == UNSPEC_VOLATILE)
    return true;
  code = GET_CODE (x);
  fmt = GET_RTX_FORMAT (code);
  for (i = GET_RTX_LENGTH (code) - 1; i >= 0; i--)
    {
      if (fmt[i] == 'e')
	{
	  if (bad_for_rematerialization_p (XEXP (x, i)))
	    return true;
	}
      else if (fmt[i] == 'E')
	{
	  for (j = XVECLEN (x, i) - 1; j >= 0; j--)
	    if (bad_for_rematerialization_p (XVECEXP (x, i, j)))
	      return true;
	}
    }
  return false;
}

开发者ID:iovisor-obsolete，项目名称:bpf_gcc，代码行数:33，代码来源:lra-remat.c

示例7: alloc_load

static struct load *
alloc_load (rtx set)
{
  struct load **slot;
  rtx mem, reg;

  mem = SET_DEST (set);
  if (MEM_P (mem))
    reg = SET_SRC (set);
  else
    {
      reg = mem;
      mem = SET_SRC (set);
    }

  slot = (struct load **)
    htab_find_slot_with_hash (htab_load, mem, load_rtx_hash (mem), INSERT);
  if (*slot == NULL)
    {
      *slot = (struct load*) xcalloc (1, sizeof (struct load));
      (*slot)->mem = mem;
    }
  else
    (*slot)->reg_kill = 0;

  (*slot)->reg = reg;

  return *slot; 
}

开发者ID:rgmabs19357，项目名称:gcc，代码行数:29，代码来源:postreload-load.c

示例8: nds32_expand_strlen

bool
nds32_expand_strlen (rtx result, rtx str,
		     rtx target_char, rtx align ATTRIBUTE_UNUSED)
{
  rtx base_reg, backup_base_reg;
  rtx ffb_result;
  rtx target_char_ptr, length;
  rtx loop_label, tmp;

  if (optimize_size || optimize < 3)
    return false;

  gcc_assert (MEM_P (str));
  gcc_assert (CONST_INT_P (target_char) || REG_P (target_char));

  base_reg = copy_to_mode_reg (SImode, XEXP (str, 0));
  loop_label = gen_label_rtx ();

  ffb_result = gen_reg_rtx (Pmode);
  tmp = gen_reg_rtx (SImode);
  backup_base_reg = gen_reg_rtx (SImode);

  /* Emit loop version of strlen.
       move  $backup_base, $base
     .Lloop:
       lmw.bim $tmp, [$base], $tmp, 0
       ffb   $ffb_result, $tmp, $target_char   ! is there $target_char?
       beqz  $ffb_result, .Lloop
       add   $last_char_ptr, $base, $ffb_result
       sub   $length, $last_char_ptr, $backup_base  */

  /* move  $backup_base, $base  */
  emit_move_insn (backup_base_reg, base_reg);

  /* .Lloop:  */
  emit_label (loop_label);
  /* lmw.bim $tmp, [$base], $tmp, 0  */
  emit_insn (gen_unaligned_load_update_base_w (base_reg, tmp, base_reg));

  /*  ffb   $ffb_result, $tmp, $target_char   ! is there $target_char?  */
  emit_insn (gen_unspec_ffb (ffb_result, tmp, target_char));

  /* beqz  $ffb_result, .Lloop  */
  emit_cmp_and_jump_insns (ffb_result, const0_rtx, EQ, NULL,
			   SImode, 1, loop_label);

  /* add   $target_char_ptr, $base, $ffb_result   */
  target_char_ptr = expand_binop (Pmode, add_optab, base_reg,
				ffb_result, NULL_RTX, 0, OPTAB_WIDEN);

  /* sub   $length, $target_char_ptr, $backup_base  */
  length = expand_binop (Pmode, sub_optab, target_char_ptr,
			 backup_base_reg, NULL_RTX, 0, OPTAB_WIDEN);

  emit_move_insn (result, length);

  return true;
}

开发者ID:KangDroid，项目名称:gcc，代码行数:58，代码来源:nds32-memory-manipulation.c

示例9: varying_mem_p

static bool
varying_mem_p (const_rtx x)
{
  subrtx_iterator::array_type array;
  FOR_EACH_SUBRTX (iter, array, x, NONCONST)
    if (MEM_P (*iter) && !MEM_READONLY_P (*iter))
      return true;
  return false;
}

开发者ID:ollie314，项目名称:gcc，代码行数:9，代码来源:fwprop.c

示例10: try_apply_stack_adjustment

static int
try_apply_stack_adjustment (rtx insn, struct csa_reflist *reflist,
			    HOST_WIDE_INT new_adjust, HOST_WIDE_INT delta)
{
  struct csa_reflist *ml;
  rtx set;

  set = single_set_for_csa (insn);
  if (MEM_P (SET_DEST (set)))
    validate_change (insn, &SET_DEST (set),
		     replace_equiv_address (SET_DEST (set), stack_pointer_rtx),
		     1);
  else
    validate_change (insn, &XEXP (SET_SRC (set), 1), GEN_INT (new_adjust), 1);

  for (ml = reflist; ml ; ml = ml->next)
    {
      rtx new_addr = plus_constant (Pmode, stack_pointer_rtx,
				    ml->sp_offset - delta);
      rtx new_val;

      if (MEM_P (*ml->ref))
	new_val = replace_equiv_address_nv (*ml->ref, new_addr);
      else if (GET_MODE (*ml->ref) == GET_MODE (stack_pointer_rtx))
	new_val = new_addr;
      else
	new_val = lowpart_subreg (GET_MODE (*ml->ref), new_addr,
				  GET_MODE (new_addr));
      validate_change (ml->insn, ml->ref, new_val, 1);
    }

  if (apply_change_group ())
    {
      /* Succeeded.  Update our knowledge of the stack references.  */
      for (ml = reflist; ml ; ml = ml->next)
	ml->sp_offset -= delta;

      return 1;
    }
  else
    return 0;
}

开发者ID:CookieChen，项目名称:gcc，代码行数:42，代码来源:combine-stack-adj.c

示例11: mark_mem_use

/* Auxiliary function for mem_read_insn_p.  */
static void
mark_mem_use (rtx *x, void *)
{
  subrtx_iterator::array_type array;
  FOR_EACH_SUBRTX (iter, array, *x, NONCONST)
    if (MEM_P (*iter))
      {
	mem_ref_p = true;
	break;
      }
}

开发者ID:woailuoli993，项目名称:gcc，代码行数:12，代码来源:ddg.c

示例12: interesting_load

static bool
interesting_load (rtx set)
{
  rtx mem, reg;

  if (!set)
    return false;

  /* Handle store just like loads.  */
  mem = SET_DEST (set);
  if (MEM_P (mem))
    reg = SET_SRC (set);
  else
    {
      reg = mem;
      mem = SET_SRC (set);
    }

  return MEM_P (mem) && !MEM_VOLATILE_P (mem) && REG_P (reg);
}

开发者ID:rgmabs19357，项目名称:gcc，代码行数:20，代码来源:postreload-load.c

示例13: sdbout_reg_parms

static void
sdbout_reg_parms (tree parms)
{
  for (; parms; parms = TREE_CHAIN (parms))
    if (DECL_NAME (parms))
      {
	const char *name = IDENTIFIER_POINTER (DECL_NAME (parms));

	/* Report parms that live in registers during the function
	   but were passed in memory.  */
	if (REG_P (DECL_RTL (parms))
	    && REGNO (DECL_RTL (parms)) < FIRST_PSEUDO_REGISTER
	    && PARM_PASSED_IN_MEMORY (parms))
	  {
	    if (name == 0 || *name == 0)
	      name = gen_fake_label ();
	    PUT_SDB_DEF (name);
	    PUT_SDB_INT_VAL (DBX_REGISTER_NUMBER (REGNO (DECL_RTL (parms))));
	    PUT_SDB_SCL (C_REG);
	    PUT_SDB_TYPE (plain_type (TREE_TYPE (parms)));
	    PUT_SDB_ENDEF;
	  }
	/* Report parms that live in memory but not where they were passed.  */
	else if (MEM_P (DECL_RTL (parms))
		 && GET_CODE (XEXP (DECL_RTL (parms), 0)) == PLUS
		 && CONST_INT_P (XEXP (XEXP (DECL_RTL (parms), 0), 1))
		 && PARM_PASSED_IN_MEMORY (parms)
		 && ! rtx_equal_p (DECL_RTL (parms), DECL_INCOMING_RTL (parms)))
	  {
#if 0 /* ??? It is not clear yet what should replace this.  */
	    int offset = DECL_OFFSET (parms) / BITS_PER_UNIT;
	    /* A parm declared char is really passed as an int,
	       so it occupies the least significant bytes.
	       On a big-endian machine those are not the low-numbered ones.  */
	    if (BYTES_BIG_ENDIAN
		&& offset != -1
		&& TREE_TYPE (parms) != DECL_ARG_TYPE (parms))
	      offset += (GET_MODE_SIZE (TYPE_MODE (DECL_ARG_TYPE (parms)))
			 - GET_MODE_SIZE (GET_MODE (DECL_RTL (parms))));
	    if (INTVAL (XEXP (XEXP (DECL_RTL (parms), 0), 1)) != offset) {...}
#endif
	      {
		if (name == 0 || *name == 0)
		  name = gen_fake_label ();
		PUT_SDB_DEF (name);
		PUT_SDB_INT_VAL (DEBUGGER_AUTO_OFFSET
				 (XEXP (DECL_RTL (parms), 0)));
		PUT_SDB_SCL (C_AUTO);
		PUT_SDB_TYPE (plain_type (TREE_TYPE (parms)));
		PUT_SDB_ENDEF;
	      }
	  }
      }

开发者ID:BoxianLai，项目名称:moxiedev，代码行数:53，代码来源:sdbout.c

示例14: symtab_make_decl_local

/* Make DECL local.  FIXME: We shouldn't need to mess with rtl this early,
   but other code such as notice_global_symbol generates rtl.  */
void
symtab_make_decl_local (tree decl)
{
  rtx rtl, symbol;

  if (TREE_CODE (decl) == VAR_DECL)
    DECL_COMMON (decl) = 0;
  else gcc_assert (TREE_CODE (decl) == FUNCTION_DECL);

  if (DECL_ONE_ONLY (decl) || DECL_COMDAT (decl))
    {
      /* It is possible that we are linking against library defining same COMDAT
	 function.  To avoid conflict we need to rename our local name of the
	 function just in the case WHOPR partitioning decide to make it hidden
	 to avoid cross partition references.  */
      if (flag_wpa)
	{
	  const char *old_name;
          symtab_node node = symtab_get_node (decl);
	  old_name  = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
	  change_decl_assembler_name (decl,
				      clone_function_name (decl, "local"));
	  if (node->symbol.lto_file_data)
	    lto_record_renamed_decl (node->symbol.lto_file_data,
				     old_name,
				     IDENTIFIER_POINTER
				       (DECL_ASSEMBLER_NAME (decl)));
	}
      DECL_SECTION_NAME (decl) = 0;
      DECL_COMDAT (decl) = 0;
    }
  DECL_COMDAT_GROUP (decl) = 0;
  DECL_WEAK (decl) = 0;
  DECL_EXTERNAL (decl) = 0;
  TREE_PUBLIC (decl) = 0;
  if (!DECL_RTL_SET_P (decl))
    return;

  /* Update rtl flags.  */
  make_decl_rtl (decl);

  rtl = DECL_RTL (decl);
  if (!MEM_P (rtl))
    return;

  symbol = XEXP (rtl, 0);
  if (GET_CODE (symbol) != SYMBOL_REF)
    return;

  SYMBOL_REF_WEAK (symbol) = DECL_WEAK (decl);
}

开发者ID:zxombie，项目名称:aarch64-freebsd-gcc，代码行数:53，代码来源:symtab.c

示例15: interesting_second_load

static bool
interesting_second_load (rtx set, struct load ***load, rtx insn)
{
  rtx mem, reg;

  if (!set)
    return false;

  mem = SET_SRC (set);
  reg = SET_DEST (set);
  if (!MEM_P (mem) || MEM_VOLATILE_P (mem) || !REG_P (reg))
    return false;

  *load = (struct load **)
    htab_find_slot_with_hash (htab_load, mem, load_rtx_hash (mem),
			      NO_INSERT);
  if (!*load)
    return false;

  /* Don't work on cases that never happen: if there is no kill, we
     would have inherited the reload; if the store and load regs are
     the same we would need to find an available register.  If the
     kill insn was already replaced by a move this information is
     stale, disregard it.  */
  if (rtx_equal_p (reg, (**load)->reg)
      || !(**load)->reg_kill
      || INSN_DELETED_P ((**load)->reg_kill)
      || reg_used_between_p (reg, PREV_INSN ((**load)->reg_kill),
			     NEXT_INSN (insn))
      || reg_set_between_p (reg, PREV_INSN ((**load)->reg_kill), insn))
    {
      if (dump_file)
	{
	  fputs ("\nCan't insert the move before the kill for this load:\n  ",
		 dump_file);
	  print_inline_rtx (dump_file, insn, 2);
	  fputs ("\n\n", dump_file);
	}
      return false;
    }

  return true;
}

开发者ID:rgmabs19357，项目名称:gcc，代码行数:43，代码来源:postreload-load.c

示例16: gen_lowpart_general

rtx
gen_lowpart_general (enum machine_mode mode, rtx x)
{
  rtx result = gen_lowpart_common (mode, x);

  if (result)
    return result;
  else if (REG_P (x))
    {
      /* Must be a hard reg that's not valid in MODE.  */
      result = gen_lowpart_common (mode, copy_to_reg (x));
      gcc_assert (result != 0);
      return result;
    }
  else
    {
      int offset = 0;

      /* The only additional case we can do is MEM.  */
      gcc_assert (MEM_P (x));

      /* The following exposes the use of "x" to CSE.  */
      if (GET_MODE_SIZE (GET_MODE (x)) <= UNITS_PER_WORD
	  && SCALAR_INT_MODE_P (GET_MODE (x))
	  && TRULY_NOOP_TRUNCATION (GET_MODE_BITSIZE (mode),
				    GET_MODE_BITSIZE (GET_MODE (x)))
	  && ! no_new_pseudos)
	return gen_lowpart_general (mode, force_reg (GET_MODE (x), x));

      if (WORDS_BIG_ENDIAN)
	offset = (MAX (GET_MODE_SIZE (GET_MODE (x)), UNITS_PER_WORD)
		  - MAX (GET_MODE_SIZE (mode), UNITS_PER_WORD));

      if (BYTES_BIG_ENDIAN)
	/* Adjust the address so that the address-after-the-data
	   is unchanged.  */
	offset -= (MIN (UNITS_PER_WORD, GET_MODE_SIZE (mode))
		   - MIN (UNITS_PER_WORD, GET_MODE_SIZE (GET_MODE (x))));

      return adjust_address (x, mode, offset);
    }
}

开发者ID:KrisChaplin，项目名称:octeon_toolchain-4.1，代码行数:42，代码来源:rtlhooks.c

示例17: gen_lowpart_general

rtx
gen_lowpart_general (machine_mode mode, rtx x)
{
  rtx result = gen_lowpart_common (mode, x);

  if (result)
    return result;
  /* Handle SUBREGs and hard REGs that were rejected by
     simplify_gen_subreg.  */
  else if (REG_P (x) || GET_CODE (x) == SUBREG)
    {
      result = gen_lowpart_common (mode, copy_to_reg (x));
      gcc_assert (result != 0);
      return result;
    }
  else
    {
      int offset = 0;

      /* The only additional case we can do is MEM.  */
      gcc_assert (MEM_P (x));

      /* The following exposes the use of "x" to CSE.  */
      if (GET_MODE_SIZE (GET_MODE (x)) <= UNITS_PER_WORD
	  && SCALAR_INT_MODE_P (GET_MODE (x))
	  && TRULY_NOOP_TRUNCATION_MODES_P (mode, GET_MODE (x))
	  && !reload_completed)
	return gen_lowpart_general (mode, force_reg (GET_MODE (x), x));

      if (WORDS_BIG_ENDIAN)
	offset = (MAX (GET_MODE_SIZE (GET_MODE (x)), UNITS_PER_WORD)
		  - MAX (GET_MODE_SIZE (mode), UNITS_PER_WORD));

      if (BYTES_BIG_ENDIAN)
	/* Adjust the address so that the address-after-the-data
	   is unchanged.  */
	offset -= (MIN (UNITS_PER_WORD, GET_MODE_SIZE (mode))
		   - MIN (UNITS_PER_WORD, GET_MODE_SIZE (GET_MODE (x))));

      return adjust_address (x, mode, offset);
    }
}

开发者ID:AlexMioMio，项目名称:gcc，代码行数:42，代码来源:rtlhooks.c

示例18: symtab_make_decl_local

void
symtab_make_decl_local (tree decl)
{
  rtx rtl, symbol;

  /* Avoid clearing DECL_COMDAT_GROUP on comdat-local decls.  */
  if (TREE_PUBLIC (decl) == 0)
    return;

  if (TREE_CODE (decl) == VAR_DECL)
    DECL_COMMON (decl) = 0;
  else gcc_assert (TREE_CODE (decl) == FUNCTION_DECL);

  if (DECL_ONE_ONLY (decl) || DECL_COMDAT (decl))
    {
      DECL_SECTION_NAME (decl) = 0;
      DECL_COMDAT (decl) = 0;
    }
  DECL_COMDAT_GROUP (decl) = 0;
  DECL_WEAK (decl) = 0;
  DECL_EXTERNAL (decl) = 0;
  DECL_VISIBILITY_SPECIFIED (decl) = 0;
  DECL_VISIBILITY (decl) = VISIBILITY_DEFAULT;
  TREE_PUBLIC (decl) = 0;
  DECL_DLLIMPORT_P (decl) = 0;
  if (!DECL_RTL_SET_P (decl))
    return;

  /* Update rtl flags.  */
  make_decl_rtl (decl);

  rtl = DECL_RTL (decl);
  if (!MEM_P (rtl))
    return;

  symbol = XEXP (rtl, 0);
  if (GET_CODE (symbol) != SYMBOL_REF)
    return;

  SYMBOL_REF_WEAK (symbol) = DECL_WEAK (decl);
}

开发者ID:alisw，项目名称:gcc-toolchain，代码行数:41，代码来源:symtab.c

示例19: expand_STORE_LANES

static void
expand_STORE_LANES (gimple stmt)
{
  struct expand_operand ops[2];
  tree type, lhs, rhs;
  rtx target, reg;

  lhs = gimple_call_lhs (stmt);
  rhs = gimple_call_arg (stmt, 0);
  type = TREE_TYPE (rhs);

  target = expand_expr (lhs, NULL_RTX, VOIDmode, EXPAND_WRITE);
  reg = expand_normal (rhs);

  gcc_assert (MEM_P (target));
  PUT_MODE (target, TYPE_MODE (type));

  create_fixed_operand (&ops[0], target);
  create_input_operand (&ops[1], reg, TYPE_MODE (type));
  expand_insn (get_multi_vector_move (type, vec_store_lanes_optab), 2, ops);
}

开发者ID:Alexpux，项目名称:GCC，代码行数:21，代码来源:internal-fn.c

示例20: c54x_expand_movqi

int
c54x_expand_movqi(rtx ops[])
{
	int done = 0;
	int i;

	fprintf(stderr, "--->>>");
	for(i=0; i < 2; i++) {
		print_rtl(stderr, ops[i]);
	}
	fprintf(stderr, "<<<---\n");

	
	if(ACC_REG_P(ops[0])) {
		ops[0] = copy_rtx(ops[0]);
		PUT_MODE(ops[0], PSImode);
		fprintf(stderr, "+++");
		print_rtl(stderr, ops[0]);
		fprintf(stderr, "+++\n");

		done = 1;

		if(MEM_P(ops[1])) {
			emit_insn(gen_ldm(ops[0], ops[1]));
		} else if(REG_P(ops[1])) {
			emit_insn(gen_ldu(ops[0], ops[1]));
		} else if(CONSTANT_P(ops[1])) {
			emit_insn(gen_ld_const(ops[0], ops[1], gen_reg_rtx(QImode)));
		} else {
			done = 2;
		}

	} else if( (REG_P(ops[0]) && (GET_CODE(ops[1]) == MEM && REG_P(XEXP(ops[1],0))))
			   || (T_REG_P(ops[0]) && ARSP_REG_P(ops[1])) )
	{
		done = 2;
	}
	
	return done;
}

开发者ID:BackupTheBerlios，项目名称:gcc-c54x-svn，代码行数:40，代码来源:c54x.c

注：本文中的MEM_P函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ MEM_P函数代码示例

示例1: nds32_emit_mem_move

示例2: gen_lowpart_general

示例3: gen_lowpart_if_possible

示例4: DECL_COMMON

示例5: sdbout_toplevel_data

示例6: unknown

示例7: alloc_load

示例8: nds32_expand_strlen

示例9: varying_mem_p

示例10: try_apply_stack_adjustment

示例11: mark_mem_use

示例12: interesting_load

示例13: sdbout_reg_parms

示例14: symtab_make_decl_local

示例15: interesting_second_load

示例16: gen_lowpart_general

示例17: gen_lowpart_general

示例18: symtab_make_decl_local

示例19: expand_STORE_LANES

示例20: c54x_expand_movqi

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