The number of characters in a replacement symbol specified in.STACK Directive which enables the stack size of a function written in the assembly language to be reflected in the stack analysis tool Floating-point arithmetic operations can be specified in the assambler directive for reserving floationg-point data.Description of Double accuracy floating point constant is possible.Instruction support to all CPU from SH-4 to SH-1 include DSP.

Pre-processor function: A source program is described efficiently by pre-processor functions such as a file inclusion function, conditional assembly function, macro function, etc.Enhanced to 4096 level of nesting by combination of iteration statement and selection statement.DSP library of fixed-point type is supported.Loosening limits on number of switch statements: 256 -> 2048.The header file fixed.h that defines various limitations concerning the internal representation of fixed-point numbers is also added.High performance DSP library optimized by DSP instruction.Embedded C++ language spec-compliant class libraries.Object generation in all CPUs from SH-1 to SH-4.Extended language function for SuperH RISC engine family.Embedded function: Interruption function description, system command description, etc., which are not supported by ANSI C/C++ language Specification and which are useful to support the function for the embedded program as an extended function.

Inter-module optimization of access to external variable.

Optimization at recompilation using link information (optimization of access to external variable).

Introduces the latest optimization technology developed for supercomputers.

Furthermore, the optimization function has also realized the optimization over between source files at the time of a link.

Optimizing function: The dedicated optimization which are for each microcomputer have been implemented in addition to the general optimization techniques that are deletion of common expression, register allocation, etc.

Supports C89, C99 (subset of functions *), and C++98.

Complies with C/C++ language in ANSI specification.

Language specification: Exception handling and Template functions are supported according to ANSI/ISO standards.

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