NDS32 Options#
These options are defined for NDS32 implementations:
- -mbig-endian#
Generate code in big-endian mode.
- -mlittle-endian#
Generate code in little-endian mode.
- -mreduced-regs#
Use reduced-set registers for register allocation.
- -mfull-regs#
Use full-set registers for register allocation.
- -mcmov#
Generate conditional move instructions.
- -mno-cmov#
Do not generate conditional move instructions.
- -mext-perf#
Generate performance extension instructions.
- -mno-ext-perf#
Do not generate performance extension instructions.
- -mext-perf2#
Generate performance extension 2 instructions.
- -mno-ext-perf2#
Do not generate performance extension 2 instructions.
- -mext-string#
Generate string extension instructions.
- -mno-ext-string#
Do not generate string extension instructions.
- -mv3push#
Generate v3 push25/pop25 instructions.
- -mno-v3push#
Do not generate v3 push25/pop25 instructions.
- -m16-bit#
Generate 16-bit instructions.
- -mno-16-bit#
Do not generate 16-bit instructions.
- -misr-vector-size=num#
Specify the size of each interrupt vector, which must be 4 or 16.
- -mcache-block-size=num#
Specify the size of each cache block, which must be a power of 2 between 4 and 512.
- -march=arch#
Specify the name of the target architecture.
- -mcmodel=code-model#
Set the code model to one of
- small
All the data and read-only data segments must be within 512KB addressing space. The text segment must be within 16MB addressing space.
- medium
The data segment must be within 512KB while the read-only data segment can be within 4GB addressing space. The text segment should be still within 16MB addressing space.
- large
All the text and data segments can be within 4GB addressing space.
- -mctor-dtor#
Enable constructor/destructor feature.
- -mrelax#
Guide linker to relax instructions.