-msim
-mmul=none
-mmul=g13
-mmul=rl78
none
’, which uses software multiplication functions. The ‘g13
’ option is for the hardware multiply/divide peripheral only on the RL78/G13 targets. The ‘rl78
’ option is for the standard hardware multiplication defined in the RL78 software manual. -m64bit-doubles
-m32bit-doubles
double
data type be 64 bits (-m64bit-doubles
) or 32 bits (-m32bit-doubles
) in size. The default is -m32bit-doubles
.
© Free Software Foundation
Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-5.4.0/gcc/RL78-Options.html