mregparm
Lets you control the number registers
used to pass integer arguments.
Architecture Restrictions
Only available on IA-32 architecture
Syntax
Linux:
-mregparm
=
n
Windows:
None
Arguments
- n
- Specifies the number of registers to use when passing integer arguments. You can specify at most 3 registers. If you specify a nonzero value forn, you must build all modules, including startup modules, and all libraries, including system libraries, with the same value.
Default
- OFF
- The compiler does not use registers to pass arguments.
Description
Control the number registers used to pass integer
arguments. This option is provided for compatibility with gcc.
This option only applies to host compilation. When
offloading is enabled, it does not impact device-specific compilation.
IDE Equivalent
None
Alternate Options
None