1
Download H8S, H8/300 Series C/C++ Compiler Package Application Note
Transcript
Section 4 HEW (b) [Details] Button: [Miscellaneous] Tab Delete vacant loop Check Box Command Option Function √ del_vacant_loop=1 Eliminates the loop without statements inside. _ del_vacant_loop=0 Disables elimination of vacant loops, even when there is no statements inside the loop. Specify maximum unroll factor Dialog Menu Command Option Function Default max_unroll=2 or 1 2 or 1 is assumed as the maximum number of loops to be expanded. Custom max_unroll= < numeric value > Specifies the maximum number of loops to be expanded. An integer from 1 to 32 can be specified for <numeric value>. Allocate registers to struct/union members Check Box Command Option Function √ struct_alloc=1 Allocates structure/union members to registers. _ struct_alloc=0 Disables allocation of structure/union members to registers. Command Option Function √ library=intrinsic Performs inline expansion for memcpy and strcpy. _ library=function Makes function calls for memcpy and strcpy. Inline memcpy/strcpy Check Box Rev.3.00 2005.09.12 4-61 REJ05B0464-0300
