diff options
Diffstat (limited to 'gcc/config/score')
| -rw-r--r-- | gcc/config/score/score.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/config/score/score.h b/gcc/config/score/score.h index c66e0e934ce..4554e267344 100644 --- a/gcc/config/score/score.h +++ b/gcc/config/score/score.h @@ -390,6 +390,18 @@ enum reg_class also contains the register. */ #define REGNO_REG_CLASS(REGNO) (enum reg_class) score_reg_class (REGNO) +/* 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 \ +{ \ + G32_REGS, CE_REGS, SP_REGS, LIM_REG_CLASSES \ +} + /* A macro whose definition is the name of the class to which a valid base register must belong. A base register is one used in an address which is the register value plus a displacement. */ |