diff options
Diffstat (limited to 'gcc/config/picochip/picochip.h')
| -rw-r--r-- | gcc/config/picochip/picochip.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/config/picochip/picochip.h b/gcc/config/picochip/picochip.h index cb0a8f9..5f6bc7b 100644 --- a/gcc/config/picochip/picochip.h +++ b/gcc/config/picochip/picochip.h @@ -292,6 +292,19 @@ enum reg_class #define N_REG_CLASSES (int) LIM_REG_CLASSES +/* The following macro defines cover classes for Integrated Register + Allocator. Cover classes is a set of non-intersected register + classes covering all hard registers used for register allocation + purpose. Any move between two registers of a cover class should be + cheaper than load or store of the registers. The macro value is + array of register classes with LIM_REG_CLASSES used as the end + marker. */ + +#define IRA_COVER_CLASSES \ +{ \ + GR_REGS, LIM_REG_CLASSES \ +} + /* The names of the register classes */ #define REG_CLASS_NAMES \ |