Table 2.2

Compile Options

Classification

Option

Description

Version/help display specification

-V

This option displays the version information of ccrh.

-h

This option displays the descriptions of ccrh options.

Output file specification

-o

This option specifies the output file name.

-Xobj_path

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

-Xasm_path

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

-Xprep_path

This option specifies the folder to save the preprocessed file.

Source debugging control

-g

This option outputs information for source debugging.

-g_line [V1.05.00 or later]

This option enhances information for source debugging at optimization.

Device specification

-Xcommon

This option specifies that an object file common to the various devices is generated.

-Xcpu

This option specifies that an object for the specified core is generated.

Processing interrupt specification

-P

This option executes only preprocess 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 and assembler symbols.

-U

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

-I

This option specifies the folder to search include files.

-Xpreinclude

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

-Xpreprocess

This option controls outputting the result of preprocessing.

C language control

-Xansi

This option processes as making C source program comply strictly with the ANSI standard.

-Xenum_type

This option specifies which integer type the enumeration type handles.

-Xvolatile

This option specifies external variables as volatile.

-Xcheck

This option checks the compatibility of a C source file.

-Xmisra2004 [Professional Edition only]

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

-Xmisra2012 [Professional Edition only]

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

-Xignore_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.

-Xcheck_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.

-Xuse_fp16 [Professional Edition only] [V1.05.00 or later]

This option selects the use of the half-precision floating-point type.

Japanese/Chinese character control

-Xcharacter_set

This option specifies the Japanese/Chinese character code.

Optimization specification

-O

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

-Xintermodule

This option performs inter-module optimization.

-Xinline_strcpy

This option performs inline expansion of standard library functions "strcpy", "strcmp", "memcpy", and "memset" calls.

-Xmerge_string

This option merges string literals.

-Xalias

This option performs optimization with consideration for the type of the data indicated by the pointer.

-Xmerge_files

This option merges two or more C source files and compiles them.

-Xwhole_program

This option performs optimization assuming that the files to be compiled comprise the entire program.

Generated code control

-Xpack

This option performs the structure packing.

-Xbit_order

This option specifies the order of bit-field members.

-Xpass_source

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

-Xswitch

This option specifies a mode in which the code of a switch statement is to be output.

-Xreg_mode

This option specifies the register mode.

-Xreserve_r2

This option reserves the r2 register.

-Xep

This option specifies how to handle the ep register.

-Xfloat

This option controls generating floating-point calculation instructions.

-Xcall_jump

This option controls generating function-call branch instructions.

-Xfar_jump

This option controls outputting far jump.

-Xdiv

This option generates the div and divu instructions for division.

-Xcheck_div_ov

This option checks the OV flag at division.

-Xuse_fmaf

This option generates product-sum operation instructions.

-Xunordered_cmpf

This option detects invalid operation exceptions in floating-point comparison.

-Xmulti_level

This option specifies the generation of a multi-core program.

-Xpatch

This option applies a patch.

-Xdbl_size

This option specifies the data size of double and long double type.

-Xround

This option specifies the mode for rounding floating-point constants.

-Xalign4

This option specifies the alignment value for branch destination addresses.

-Xstack_protector/-Xstack_protector_all [Professional Edition only]

This option generates a code for detection of stack smashing.

-Xsection

This option specifies the default sections for data.

-Xcheck_exclusion_control [V1.04.00 or later]

This option enables checking of exclusive control.

Information file output control

-Xcref

This option outputs the static analysis information file.

Error output control

-Xerror_file

This option outputs error messages to a file.

Warning message output control

-Xno_warning

This option suppresses outputting warning messages of the specified number.

Phase individual option specification

-Xasm_option

This option specifies assemble options.

-Xlk_option

This option specifies link options.

Subcommand file specification

@

This option specifies a subcommand file.