Tools used

This is a code size test on real customer applications where the size of linked code + constants has been compared. The test was performed with the following tools:

IAR Embedded Workbench for RH850 v1.20.0 (EWRH850)
Options: -e -Ohz --relaxed_fp --core rh850 --data_model medium --code_model normal --no_scheduling --lock_regs 0

Renesas CCRH v1.00.01
Options: -Xcommon=rh850 -Xcpu=g3k -c -g -Osize -Xwhole_program -Xalias=ansi -Xinline_strcpy -Xmerge_string -Xdiv -Xuse_fmaf

Results