These are the ‘-m’ options defined for the Motorola M*Core processors.
Inline constants into the code stream if it can be done in two instructions or less.
Use the divide instruction. (Enabled by default).
Allow arbitrary-sized immediates in bit operations.
Always treat bit-fields as
Force all functions to be aligned to a 4-byte boundary.
Emit callgraph information.
Prefer word access when reading byte quantities.
Generate code for a little-endian target.
Generate code for the 210 processor.
Assume that runtime support has been provided and so omit the simulator library (libsim.a) from the linker command line.
Set the maximum amount for a single stack increment operation. Large values can increase the speed of programs that contain functions that need a large amount of stack space, but they can also trigger a segmentation fault if the stack is extended too much. The default value is 0x1000.