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(decl_attribute): Allow special names (e.g, `word') for mode 

attribute.

From-SVN: r8582
This commit is contained in:
Richard Kenner 1994-11-30 15:48:00 -05:00
parent 077e4b0117
commit caab5771c8
1 changed files with 28 additions and 19 deletions
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47
gcc/c-common.c
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@ -297,27 +297,36 @@ found_attr:;
&& TREE_CODE (TREE_VALUE (args)) == IDENTIFIER_NODE)
{
int i;
char *specified_name
= IDENTIFIER_POINTER (TREE_VALUE (args));
char *specified_name = IDENTIFIER_POINTER (TREE_VALUE (args));
enum machine_mode mode = VOIDmode;
tree typefm;
/* Give this decl a type with the specified mode. */
for (i = 0; i < NUM_MACHINE_MODES; i++)
if (!strcmp (specified_name, GET_MODE_NAME (i)))
{
tree typefm
= type_for_mode (i, TREE_UNSIGNED (type));
if (typefm != 0)
{
TREE_TYPE (decl) = type = typefm;
DECL_SIZE (decl) = 0;
layout_decl (decl, 0);
}
else
error ("no data type for mode `%s'", specified_name);
break;
}
if (i == NUM_MACHINE_MODES)
/* Give this decl a type with the specified mode.
First check for the special modes. */
if (! strcmp (specified_name, "byte")
|| ! strcmp (specified_name, "__byte__"))
mode = byte_mode;
else if (!strcmp (specified_name, "word")
|| ! strcmp (specified_name, "__word__"))
mode = word_mode;
else if (! strcmp (specified_name, "pointer")
|| !strcmp (specified_name, "__pointer__"))
mode = ptr_mode;
else
for (i = 0; i < NUM_MACHINE_MODES; i++)
if (!strcmp (specified_name, GET_MODE_NAME (i)))
mode = (enum machine_mode) i;
if (mode == VOIDmode)
error_with_decl (decl, "unknown machine mode `%s'", specified_name);
else if ((typefm = type_for_mode (mode, TREE_UNSIGNED (type))) == 0)
error_with_decl (decl, "no data type for mode `%s'", specified_name);
else
{
TREE_TYPE (decl) = type = typefm;
DECL_SIZE (decl) = 0;
layout_decl (decl, 0);
}
}
else if ((!strcmp (IDENTIFIER_POINTER (name), "section")
|| !strcmp (IDENTIFIER_POINTER (name), "__section__"))