IAR Embedded Workbench for H8 generates the most compact code on the market.

Tools used

This benchmark test compares the total size of linked code, const and initialized data area between the following tools:

IAR Embedded Workbench for H8 (EWH8) V1.53I
Options: -e -v2 -ml -K -z9 -r -q

IAR Embedded Workbench for H8 (EWH8) V2.10A
Options: --core=H8S -e -z9 -r --operating_mode=advanced --code_model=large--data_model=huge

Renesas CH38 V.6.01 Release 01
Options: -cpu=2600a:24 -DOuble=Float -lang=c -SH=O -regparam=3 -structreg -eepmov -OP=1 -goptimize -Byteenum

Results

Benchmark code examples

The following code examples, covering most embedded application areas, were used in this benchmark: