Quote:
Originally Posted by deimos
This is how I do it:
The "cc", "memory" bit says that the assembly code will clobber the condition code register and memory, so disable any optimisations that depend on them. You can specify individual registers that get clobbered as well, which may allow for smarter optimisations. |
If the function call trashes say d0-d7 does the compiler save/restore all the regsiters by default or do you have to specify that here to stay safe?