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Let tm file define MAX_*_TYPE_SIZE if *_TYPE_SIZE depends upon target_flags 

From-SVN: r5640
This commit is contained in:
Ian Lance Taylor 1993-10-06 17:49:06 +00:00
parent 176c9e6beb
commit 3f259d6dfb
1 changed files with 21 additions and 5 deletions
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26
gcc/cexp.y
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@ -99,6 +99,22 @@ extern int traditional;
#define WCHAR_TYPE_SIZE INT_TYPE_SIZE
#endif
#ifndef MAX_CHAR_TYPE_SIZE
#define MAX_CHAR_TYPE_SIZE CHAR_TYPE_SIZE
#endif
#ifndef MAX_INT_TYPE_SIZE
#define MAX_INT_TYPE_SIZE INT_TYPE_SIZE
#endif
#ifndef MAX_LONG_TYPE_SIZE
#define MAX_LONG_TYPE_SIZE LONG_TYPE_SIZE
#endif
#ifndef MAX_WCHAR_TYPE_SIZE
#define MAX_WCHAR_TYPE_SIZE WCHAR_TYPE_SIZE
#endif
/* Yield nonzero if adding two numbers with A's and B's signs can yield a
number with SUM's sign, where A, B, and SUM are all C integers. */
#define possible_sum_sign(a, b, sum) ((((a) ^ (b)) | ~ ((a) ^ (sum))) < 0)
@ -533,13 +549,13 @@ yylex ()
{
register int result = 0;
register num_chars = 0;
unsigned width = CHAR_TYPE_SIZE;
unsigned width = MAX_CHAR_TYPE_SIZE;
int max_chars;
char *token_buffer;
if (wide_flag)
{
width = WCHAR_TYPE_SIZE;
width = MAX_WCHAR_TYPE_SIZE;
#ifdef MULTIBYTE_CHARS
max_chars = MB_CUR_MAX;
#else
@ -547,7 +563,7 @@ yylex ()
#endif
}
else
max_chars = LONG_TYPE_SIZE / width;
max_chars = MAX_LONG_TYPE_SIZE / width;
token_buffer = (char *) alloca (max_chars + 1);
@ -790,9 +806,9 @@ parse_escape (string_ptr)
break;
}
}
if ((i & ~((1 << CHAR_TYPE_SIZE) - 1)) != 0)
if ((i & ~((1 << MAX_CHAR_TYPE_SIZE) - 1)) != 0)
{
i &= (1 << CHAR_TYPE_SIZE) - 1;
i &= (1 << MAX_CHAR_TYPE_SIZE) - 1;
warning ("octal character constant does not fit in a byte");
}
return i;