Refer to "10. MESSAGE".
Whether each non-empty sequence of white-space characters other than new-line is retained or replaced by one space character in translation phase 3 (5.1.1.2). |
The mapping between physical source file multi-byte characters and the source character set in translation phase 1 (5.1.1.2). |
Multibyte characters are mapped to the corresponding source character set according to the compile option.
The name and type of the function called at program startup in a freestanding environment (5.1.2.1). |
Not defined. Depends on the startup implementation.
Depends on startup in a normal termination. The abort function is used to terminate the program abnormally.
Not defined because of a freestanding environment.
Not defined because of a freestanding environment.
Not defined for the configuration of an interactive device.
The signal handling functions are not supported.
Signal values other than SIGFPE, SIGILL, and SIGSEGV that correspond to a computational exception (7.14.1.1). |
The signal handling functions are not supported.
Signals for which the equivalent of signal(sig, SIG_IGN); is executed at program startup (7.14.1.1). |
The signal handling functions are not supported.
The set of environment names and the method for altering the environment list used by the getenv function (7.20.4.5). |
The getenv function is not supported.
The system function is not supported.
Which additional multibyte characters may appear in identifiers and their correspondence to universal character names (6.4.2). |
Multibyte characters cannot be used as identifiers.
The entire identifier is handled as meaningful. The length of an identifier is unlimited.
The element values of the execution character set are ASCII code, EUC, SJIS, UTF-8, big5 and gb2312 values.
The unique value of the member of the execution character set produced for each of the standard alphabetic escape sequences (5.2.2). |
The value of a char object into which has been stored any character other than a member of the basic execution character set (6.2.5). |
Value that is type-converted to char type.
Which of signed char or unsigned char has the same range, representation, and behavior as "plain" char (6.2.5, 6.3.1.1). |
The char type has the same range of values, the same representation format and the same behavior as the signed char type.
The mapping of members of the source character set (in character constants and string literals) to members of the execution character set (6.4.4.4, 5.1.1.2). |
Associated with the element having the same value.
The value of an integer character constant containing more than one character or containing a character or escape sequence that does not map to a single-byte execution character (6.4.4.4). |
A integer character constant consisting of up to four characters has a four-byte value with the lower byte being the last character and the upper byte being the first character. A character constant having five or more characters results in an error. A character which is not represented by basic execution environment character set is regarded as a integer character constant having that value. In an invalid escape sequence, the backslash is ignored and the next character is regarded as a integer character constant.
The value of a wide character constant containing more than one multibyte character, or containing a multibyte character or escape sequence not represented in the extended execution character set (6.4.4.4). |
Left-most character value as a multibyte character.
The current locale used to convert a wide character constant consisting of a single multi-byte character that maps to a member of the extended execution character set into a corresponding wide character code (6.4.4.4). |
The current locale used to convert a wide string literal into corresponding wide character codes (6.4.5). |
The value of a string literal containing a multi-byte character or escape sequence not represented in the execution character set (6.4.5). |
Corresponding byte value for escape sequence or corresponding each byte value for a multibyte character.
No extended integer types are provided.
Whether signed integer types are represented using sign and magnitude, two's complement, or one's complement, and whether the extraordinary value is a trap representation or an ordinary value (6.2.6.2). |
The signed integer type is represented in two's complement, and there are no trap representations.
The rank of any extended integer type relative to another extended integer type with the same precision (6.3.1.1). |
No extended integer types are provided.
The result of, or the signal raised by, converting an integer to a signed integer type when the value cannot be represented in an object of that type (6.3.1.3). |
Bit string masked by the width of the conversion target type (with the upper bits truncated).
Arithmetic shift is performed for a shift operator. For other operators, a signed integer is calculated as an unsigned value (as a bit image).
The accuracy of the floating-point operations and of the library functions in <math.h> and <complex.h> that return floating-point results (5.2.4.2.2). |
No nonstandard value is defined for FLT_ROUNDS.
The evaluation methods characterized by non-standard negative values of FLT_EVAL_METHOD (5.2.4.2.2). |
No nonstandard value is defined for FLT_EVAL_METHOD.
The direction of rounding when an integer is converted to a floating-point number that cannot exactly represent the original value (6.3.1.4). |
As per the option (-Xround) specification and microcomputer settings.
The direction of rounding when a floating-point number is converted to a narrower floating-point number (6.3.1.5). |
As per the option (-Xround) specification and microcomputer settings.
How the nearest representable value or the larger or smaller representable value immediately adjacent to the nearest representable value is chosen for certain floating constants (6.4.4.2). |
As per the option (-Xround) specification.
Whether and how floating expressions are contracted when not disallowed by the FP_CONTRACT pragma (6.5). |
Contraction of expressions depends on each option specification.
The FP_CONTRACT pragma does not work.
#pragma STDC FP_CONTRACT is ignored even if it is specified.
The default state of the FENV_ACCESS pragma is ON.
#pragma STDC FENV_ACCESS is ignored even if it is specified.
Additional floating-point exceptions, rounding modes, environments, and classifications, and their macro names (7.6, 7.12). |
As per the math.h library provided by the compiler. There are no additional definitions.
The default state of the FP_CONTRACT pragma is ON.
Whether the "inexact" floating-point exception can be raised when the rounded result actually does equal the mathematical result in an IEC 60559 conformant implementation (F.9). |
Floating-point exceptions are not supported.
No "inexact" floating-point exception is generated.
Whether the underflow (and inexact) floating-point exception can be raised when a result is tiny but not inexact in an IEC 60559 conformant implementation (F.9). |
Floating-point exceptions are not supported. No "underflow" or "inexact" floating-point exception is generated.
Integer-to-pointer conversion result
If the size of an integer type is larger than that of a pointer type, the lower-byte value of the integer type is used. If the size of the integer type is equal to that of the pointer type, the bit pattern of the integer type is retained as is. If the size of the integer type is smaller than that of the pointer type, the resultant value of an extension to an int type is retained as is.
Pointer-to-integer conversion result
If the size of a pointer type is larger than that of an integer type, the lower-byte value of the pointer type is used. If the size of the pointer type is equal to that of the integer type, the bit pattern of the pointer type is retained as is. If the size of a pointer type is smaller than that of an integer type, the zero-extended value of the pointer type is used.
The resultant type is the signed int type.
The extent to which suggestions made by using the register storage-class specifier are effective (6.7.1). |
User requests for register variables are not honored.
The extent to which suggestions made by using the inline function specifier are effective (6.7.4). |
Inlining is always tried. However, inlining may not be performed depending on the condition.
Whether a "plain" int bit-field is treated as signed int bit-field or as an unsigned int bit-field (6.7.2, 6.7.2.1). |
Treated as a signed int type. The most significant bit of the bit field is treated as a sign bit.
All integer types are allowed.
When structure type packing is not specified, a bit-field cannot straddle a strage-unit boundary, but it is allocated to the next area.
When structure type packing is specified, a bit-field may straddle a strage-unit boundary.
Allocated from the lower order. Selectable by option -Xbit_order or #pragma bit_order.
Refer to "4.1.3 Internal representation and value area of data".
signed int type. However, the minimum type that an enumerated type fits in if option -Xenum_type=auto is specified.
Although the access width, and order and number of accesses are as described in the C source, this does not apply to those accesses to a type for which the microcomputer does not have a corresponding instruction.
How sequences in both forms of header names are mapped to headers or external source file names (6.4.7). |
A character string described in the #include is interpreted as the character code specified as the source character set and is associated with a header name or an external source file name.
Whether the value of a character constant in a constant expression that controls conditional inclusion matches the value of the same character constant in the execution character set (6.10.1). |
A value for the character constant specified in conditional inclusion is equal to the character constant value that appears in other expressions.
Whether the value of a single-character character constant in a constant expression that controls conditional inclusion may have a negative value (6.10.1). |
A character constant can be a negative value.
The places that are searched for an included < > delimited header, and how the places are specified other header is identified (6.10.2). |
Folders are searched in this order and a file having the same name in the folder is identified as the header.
1. Folder specified by the path (if it is full-path)
2. Folder specified by option -I
3. Standard include file folder (..\inc folder with a relative path from the bin folder where the compiler is placed)
1. Folder specified by the path (if it is full-path)
2. Folder having the source file
3. Folder specified by option -I
4. Standard include file folder (..\inc folder with a relative path from the bin folder where the compiler is placed)
The method by which preprocessing tokens (possibly resulting from macro expansion) in a #include directive are combined into a header name (6.10.2). |
Treated as a preprocessing token of a single header or file name only in a macro that replaces preprocessing tokens with a single <character string> or "character string" format.
Whether the # operator inserts a \ character before the \ character that begins a universal character name in a character constant or string literal (6.10.3.2). |
A \ character is not inserted in front of the first \ character.
Refer to "4.2.6 Using extended language specifications" in the User's Manual.
The definitions for __DATE__ and __TIME__ when respectively, the date and time of translation are not available (6.10.8). |
A date and time are always obtained.
Any library facilities available to a freestanding program, other than the minimal set required by clause 4 (5.1.2.1). |
Refer to "7. LIBRARY FUNCTIONAL SPECIFICATIONS".
Assertion failed: Expression, function function_name, file file_name, line line_number
The representation of the floating-point status flags stored by the fegetexceptflag function (7.6.2.2). |
The fegetexceptflag function is not supported.
Whether the feraiseexcept function raises the "inexact" floating-point exception in addition to the "overflow" or "underflow" floating-point exception (7.6.2.3). |
The feraiseexcept function is not supported.
Strings other than "C" and "" that may be passed as the second argument to the setlocale function (7.11.1.1). |
The setlocale function is not supported.
The types defined for float_t and double_t when the value of the FLT_EVAL_METHOD macro is less than zero or greater than two (7.12). |
float_t is defined as the float type and double_t as the double type.
Domain errors for the mathematics functions, other that those required by this International Standard (7.12.1). |
The atan2, cos, sin, tan, frexp, pow, lround, llround, fmod functions might result in a domain error.
For details, refer to "7.4.10 Mathematical functions".
The values returned by the mathematics functions on underflow range errors, whether errno is set to the value of the macro ERANGE when the integer expression math_errhandling & MATH_ERRNO is nonzero, and whether the “underflow” floating-point exception is raised when the integer expression math_errhandling & MATH_ERREXCEPT is nonzero. (7.12.1). |
The return value is 0. However, the exp or ldexp functions returns 0 or a denormalized number. ERANGE is set in errno in case of an underflow. No "underflow" floating-point exception is generated.
Whether a domain error occurs or zero is returned when an fmod function has a second argument of zero (7.12.10.1). |
A domain error is generated. For details, see the description about the fmod functions.
The base-2 logarithm of the modulus used by the remquo functions in reducing the quotient (7.12.10.3). |
The remquo functions is not supported.
Whether the equivalent of signal(sig, SIG_DFL); is executed prior to the call of a signal handler, and, if not, the blocking of signals that is performed (7.14.1.1). |
The signal handling functions are not supported.
The last line does not need to end in a newline character.
Whether space characters that are written out to a text stream immediately before a new-line character appear when read in (7.19.2). |
Space characters appear when data is read.
Whether the file position indicator of an append-mode stream is initially positioned at the beginning or end of the file (7.19.3). |
The file handling functions are not supported.
Whether a write on a text stream causes the associated file to be truncated beyond that point (7.19.3). |
The file handling functions are not supported.
The file handling functions are not supported.
The file handling functions are not supported.
The file handling functions are not supported.
The file handling functions are not supported.
The file handling functions are not supported.
The file handling functions are not supported.
The effect if a file with the new name exists prior to a call to the rename function (7.19.4.2). |
The file handling functions are not supported.
The file handling functions are not supported.
The file handling functions are not supported.
The style used to print an infinity or NaN, and the meaning of any n-char or n-wchar sequence printed for a NaN (7.19.6.1, 7.24.2.1). |
(+INF) is output for a positive infinity, (-INF) for a negative infinity, and (NaN) for a NaN.
n character strings or n wide character strings are not supported when a NaN is written.
The fwprintf function is not supported.
The interpretation of a - character that is neither the first nor the last character, nor the second where a ^ character is the first, in the scanlist for %[ conversion in the fscanf() or fwscanf() function (7.19.6.2, 7.24.2.1). |
Refer to "sscanf" in "7.4.7 Standard I/O functions".
The fwscanf function is not supported.
The set of sequences matched by a %p conversion and the interpretation of the corresponding input item in the fscanf() or fwscanf() function (7.19.6.2, 7.24.2.2). |
The fwscanf function is not supported.
The value to which the macro errno is set by the fgetpos, fsetpos, or ftell functions on failure (7.19.9.1, 7.19.9.3, 7.19.9.4). |
The file handling functions are not supported.
The meaning of any n-char or n-wchar sequence in a string representing a NaN that is converted by the strtod(), strtof(), strtold(), wcstod(), wcstof(), or wcstold() function (7.20.1.3, 7.24.4.1.1). |
Interpreted as a value other than a number of floating-point type in case of the strtod or strtodf function.
The strtof, strtold, wcstod, wcstof, and wcstold functions are not supported.
Whether or not the strtod, strtof, strtold, wcstod, wcstof, or wcstold function sets errno to ERANGE when underflow occurs (7.20.1.3, 7.24.4.1.1). |
The strtod and strtodf functions set ERANGE in global variable errno.
The strtof, strtold, wcstod, wcstof, and wcstold functions are not supported.
Whether the calloc, malloc, and realloc functions return a null pointer or a pointer to an allocated object when the size requested is zero (7.20.3). |
The calloc or malloc function returns the secured pointer, assuming the request size is 8. The realloc function returns NULL.
Whether open streams with unwritten buffered data are flushed, open streams are closed, or temporary files are removed when the abort or _Exit function is called (7.20.4.1, 7.20.4.4). |
The file handling functions are not supported.
The termination status returned to the host environment by the abort, exit, or _Exit function (7.20.4.1, 7.20.4.3, 7.20.4.4). |
Not defined because of a freestanding environment.
The system function is not supported.
The replacement string for the %Z specifier to the strftime, and wcsftime functions in the "C" locale (7.23.3.5, 7.24.5.1). |
Whether or when the trigonometric, hyperbolic, base-e exponential, base-e logarithmic, error, and log gamma functions raise the "inexact" floating-point exception in an IEC 60559 conformant implementation (F.9). |
No "inexact" floating-point exception is generated.
Whether the functions in <math.h> honor the rounding direction mode in an IEC 60559 conformant implementation (F.9). |
Depends on the linked library.
The fesetround function is not supported.
The values or expressions assigned to the macros specified in the headers <float.h>, <limits.h>, and <stdint.h> (5.2.4.2, 7.18.2, 7.18.3). |
The values in parentheses are for the case when the -Xdbl_size=4 option is used, which specifies sizeof(double) = sizeof(long double) = 4.
The number, order, and encoding of bytes in any object (when not explicitly specified in this International Standard) (6.2.6.1). |
Refer to "4.1.3 Internal representation and value area of data".
Refer to "4.1.3 Internal representation and value area of data".
The table below shows the translation limits of CC-RH.
The upper limit depends on the memory situation of the host environment for the item "No limit".