GCC Middle and Back End API Reference
subreg_info Struct Reference

#include <rtl.h>

Data Fields

int offset
int nregs
bool representable_p

Detailed Description

Information about a subreg of a hard register.


Field Documentation

int subreg_info::nregs

Number of hard registers involved in the subreg.

Referenced by swap_commutative_operands_p().

int subreg_info::offset

Offset of first hard register involved in the subreg.

Referenced by invert_exp_1(), and invert_jump_1().

bool subreg_info::representable_p

Whether this subreg can be represented as a hard reg with the new mode.

Referenced by invert_exp_1(), invert_jump_1(), and swap_commutative_operands_p().


The documentation for this struct was generated from the following file: