Table 2.2

Compile Options

Classification

Option

Description

Version/help display specification

-V

This option displays the version information of ccrl.

-help

This option displays the descriptions of ccrl options.

Output file specification

-o

This option specifies the output file name.

-obj_path

This option specifies the folder to save an object file
generated during compilation.

-asm_path

This option specifies the folder to save an assembly source file generated during compilation.

-prep_path

This option specifies the folder to save the preprocessed C source file.

Source debugging control

-g

This option outputs information for source debugging.

-g_line [V1.02 or later]

This option enhances information for source debugging at optimization.

Device specification relation

-cpu

This option specifies the type of the CPU core.

-use_mda

This option specifies whether to use the arithmetic unit.

Processing interrupt specification

-P

This option executes only processing for the input file.

-S

This option does not execute processing after assembling.

-c

This option does not execute processing after linking.

Preprocessor control

-D

This option defines preprocessor macros.

-U

This option deletes the definition of the preprocessor macro by the -D option.

-I

This option specifies the folder to search header files.

-preinclude

This option specifies the C header file that is included at the top of the compilation unit.

-preprocess

This option controls outputting the result of preprocessing.

Memory model

-memory_model

This option specifies the type of the memory model when compiling.

-far_rom

This option sets the default near/far attribute of ROM data to far.

Optimization

-O

This option specifies the optimization level or the details of each optimization items.

-goptimize

This option generates the information for inter-module
optimization.

Error output control

-no_warning_num

This option suppresses outputting warning messages of the specified number.

-error_file

This option outputs all compiler error messages together to a file.

Additional information output

-cref

This option outputs the static analysis information file.

-pass_source

This option outputs a C source program as a comment to the assembly source file.

Code generation changing

-dbl_size

This option changes the interpretation of the double and long double types.

-signed_char

This option specifies that a char type without a signed or unsigned specifier is handled as a signed type.

-signed_bitfield

This option specifies that a bit field of a type without a signed or unsigned specifier is handled as a signed type.

-switch

This option specifies the format in which the code of switch statements is to be output.

-volatile

External variables and the variables specified with "#pragma address" are handled as if they were volatile-declared.

-merge_string

This option merges string literals.

-pack

This option sets 1 as the number of alignment for a structure member.

-stack_protector/-stack_protector_all [Professional Edition only] [V1.02 or later]

This option generates a code for detection of stack smashing.

Function expansion

-ansi

The C source program is processed in strict compliance with the ANSI standard.

-refs_without_declaration

An error is generated upon reference of an undeclared
function or a function that does not have a prototype
declaration.

-large_variable

This option sets the maximum size of a variable to 0xffff bytes.

-nest_comment

This option enables nesting of /* */ comments.

-character_set

This option specifies the Japanese/Chinese character code.

MISRA check

-misra2004 [Professional Edition only]

This option checks source code against the MISRA-C: 2004 rules.

-misra2012 [Professional Edition only] [V1.02 or later]

This option checks source code against the MISRA-C: 2012 rules.

-ignore_files_misra [Professional Edition only]

This option specifies files that will not be checked against the MISRA-C: 2004 rules or MISRA-C: 2012 rules.

-check_language_extension [Professional Edition only]

This option enables the source-code checking of the
MISRA-C: 2004 rules or MISRA-C: 2012 rules, which are partially suppressed by the extended language specifications.

Subcommand file specification

-subcommand

This option specifies a subcommand file.

Assembler and linker control

-asmopt

This option specifies assemble options.

-lnkopt

This option specifies link options.

-asmcmd

This option specifies the use of a subcommand file to specify the assemble options to be passed to the assembler.

-lnkcmd

This option specifies the use of a subcommand file to specify the link options to be passed to the optimizing linker.

-dev

This option specifies the device file that the assembler and optimizing linker use.

Compiler transition support

-convert_cc

This option supports transition of programs written for other compilers.