float-i128.h (FLT_EVAL_METHOD, [...]): Define.

        * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
        * config/float-i32.h: Likewise.
        * config/float-i64.h: Likewise.
        * config/float-sh.h: Likewise.
        * config/float-sparc.h: Likewise.

From-SVN: r39383

gcc/ChangeLog

+2001-01-31  Richard Henderson  <rth@redhat.com>
+
+	* config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
+	* config/float-i32.h: Likewise.
+	* config/float-i64.h: Likewise.
+	* config/float-sh.h: Likewise.
+	* config/float-sparc.h: Likewise.
+
 2001-01-31  DJ Delorie  <dj@redhat.com>
 
 	* expmed.c (extract_bit_field): allow non-integral modes if we

gcc/config/float-i128.h

@@ -93,4 +93,31 @@
 #undef LDBL_MAX_10_EXP
 #define LDBL_MAX_10_EXP 4932
 
+#if __STDC_VERSION__ >= 199901L
+   /* The floating-point expression evaluation method.
+        -1  indeterminate
+         0  evaluate all operations and constants just to the range and
+            precision of the type
+         1  evaluate operations and constants of type float and double
+            to the range and precision of the double type, evaluate
+            long double operations and constants to the range and
+            precision of the long double type
+         2  evaluate all operations and constants to the range and
+            precision of the long double type
+   */
+# undef FLT_EVAL_METHOD
+# define FLT_EVAL_METHOD	0
+
+   /* Number of decimal digits to enable rounding to the given number of
+      decimal digits without loss of precision.
+         if FLT_RADIX == 10^n:  #mantissa * log10 (FLT_RADIX)
+         else                :  ceil (1 + #mantissa * log10 (FLT_RADIX))
+      where #mantissa is the number of bits in the mantissa of the widest
+      supported floating-point type.
+   */
+# undef DECIMAL_DIG
+# define DECIMAL_DIG	36
+
+#endif	/* C99 */
+
 #endif /*  _FLOAT_H_ */

gcc/config/float-i32.h

@@ -93,4 +93,31 @@
 #undef LDBL_MAX_10_EXP
 #define LDBL_MAX_10_EXP 38
 
+#if __STDC_VERSION__ >= 199901L
+   /* The floating-point expression evaluation method.
+        -1  indeterminate
+         0  evaluate all operations and constants just to the range and
+            precision of the type
+         1  evaluate operations and constants of type float and double
+            to the range and precision of the double type, evaluate
+            long double operations and constants to the range and
+            precision of the long double type
+         2  evaluate all operations and constants to the range and
+            precision of the long double type
+   */
+# undef FLT_EVAL_METHOD
+# define FLT_EVAL_METHOD	0
+
+   /* Number of decimal digits to enable rounding to the given number of
+      decimal digits without loss of precision.
+         if FLT_RADIX == 10^n:  #mantissa * log10 (FLT_RADIX)
+         else                :  ceil (1 + #mantissa * log10 (FLT_RADIX))
+      where #mantissa is the number of bits in the mantissa of the widest
+      supported floating-point type.
+   */
+# undef DECIMAL_DIG
+# define DECIMAL_DIG	9
+
+#endif	/* C99 */
+
 #endif /*  _FLOAT_H_ */

gcc/config/float-i64.h

@@ -93,4 +93,31 @@
 #undef LDBL_MAX_10_EXP
 #define LDBL_MAX_10_EXP 308
 
+#if __STDC_VERSION__ >= 199901L
+   /* The floating-point expression evaluation method.
+        -1  indeterminate
+         0  evaluate all operations and constants just to the range and
+            precision of the type
+         1  evaluate operations and constants of type float and double
+            to the range and precision of the double type, evaluate
+            long double operations and constants to the range and
+            precision of the long double type
+         2  evaluate all operations and constants to the range and
+            precision of the long double type
+   */
+# undef FLT_EVAL_METHOD
+# define FLT_EVAL_METHOD	0
+
+   /* Number of decimal digits to enable rounding to the given number of
+      decimal digits without loss of precision.
+         if FLT_RADIX == 10^n:  #mantissa * log10 (FLT_RADIX)
+         else                :  ceil (1 + #mantissa * log10 (FLT_RADIX))
+      where #mantissa is the number of bits in the mantissa of the widest
+      supported floating-point type.
+   */
+# undef DECIMAL_DIG
+# define DECIMAL_DIG	17
+
+#endif	/* C99 */
+
 #endif /*  _FLOAT_H_ */

gcc/config/float-m68k.h

@@ -94,4 +94,7 @@
 #undef LDBL_MAX_10_EXP
 #define LDBL_MAX_10_EXP 4932
 
+/* ??? FLT_EVAL_METHOD depends on TARGET_68040_ONLY.  We do not currently
+   have a preprocessor token that we can use to tell that this is on.  */
+
 #endif /*  _FLOAT_H_ */

gcc/config/float-sh.h

@@ -127,4 +127,31 @@
 #undef LDBL_MAX_10_EXP
 #define LDBL_MAX_10_EXP 308
 
+#if __STDC_VERSION__ >= 199901L
+   /* The floating-point expression evaluation method.
+        -1  indeterminate
+         0  evaluate all operations and constants just to the range and
+            precision of the type
+         1  evaluate operations and constants of type float and double
+            to the range and precision of the double type, evaluate
+            long double operations and constants to the range and
+            precision of the long double type
+         2  evaluate all operations and constants to the range and
+            precision of the long double type
+   */
+# undef FLT_EVAL_METHOD
+# define FLT_EVAL_METHOD	0
+
+   /* Number of decimal digits to enable rounding to the given number of
+      decimal digits without loss of precision.
+         if FLT_RADIX == 10^n:  #mantissa * log10 (FLT_RADIX)
+         else                :  ceil (1 + #mantissa * log10 (FLT_RADIX))
+      where #mantissa is the number of bits in the mantissa of the widest
+      supported floating-point type.
+   */
+# undef DECIMAL_DIG
+# define DECIMAL_DIG	17
+
+#endif	/* C99 */
+
 #endif /*  _FLOAT_H_ */

gcc/config/float-sparc.h

@@ -119,4 +119,35 @@
 
 #endif /* sparc32 */
 
+#if __STDC_VERSION__ >= 199901L
+   /* The floating-point expression evaluation method.
+        -1  indeterminate
+         0  evaluate all operations and constants just to the range and
+            precision of the type
+         1  evaluate operations and constants of type float and double
+            to the range and precision of the double type, evaluate
+            long double operations and constants to the range and
+            precision of the long double type
+         2  evaluate all operations and constants to the range and
+            precision of the long double type
+   */
+# undef FLT_EVAL_METHOD
+# define FLT_EVAL_METHOD	0
+
+   /* Number of decimal digits to enable rounding to the given number of
+      decimal digits without loss of precision.
+         if FLT_RADIX == 10^n:  #mantissa * log10 (FLT_RADIX)
+         else                :  ceil (1 + #mantissa * log10 (FLT_RADIX))
+      where #mantissa is the number of bits in the mantissa of the widest
+      supported floating-point type.
+   */
+# undef DECIMAL_DIG
+# if LDBL_MANT_DIG == 53
+#  define DECIMAL_DIG	17
+# else
+#  define DECIMAL_DIG	36
+# endif
+
+#endif	/* C99 */
+
 #endif /*  _FLOAT_H_ */