Determines whether variables and arrays are naturally aligned.
IDE Equivalent
NoneArchitectures
IA-32, Intel® 64 architectures
Syntax
Linux and Mac OS X: | -align -noalign |
Windows: | None |
Arguments
None
Default
OFF |
Variables and arrays are aligned according to the gcc model, which means they are aligned to 4-byte boundaries. |
Description
This option determines whether variables and arrays are naturally aligned.Option -align forces the following natural alignment:
Type |
Alignment |
|---|---|
double |
8 bytes |
long long |
8 bytes |
long double |
16 bytes |
If you are not interacting with system libraries or other libraries that are compiled without -align, this option can improve performance by reducing misaligned accesses.
Caution
If you are interacting with system libraries or other libraries that are compiled without -align, your application may not perform as expected.
Alternate Options
None