diff options
Diffstat (limited to 'gcc/config/pa/pa64-regs.h')
| -rw-r--r-- | gcc/config/pa/pa64-regs.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/config/pa/pa64-regs.h b/gcc/config/pa/pa64-regs.h index 810e945f6b4..23dc7780e4e 100644 --- a/gcc/config/pa/pa64-regs.h +++ b/gcc/config/pa/pa64-regs.h @@ -230,6 +230,19 @@ enum reg_class { NO_REGS, R1_REGS, GENERAL_REGS, FPUPPER_REGS, FP_REGS, {0x00000000, 0x10000000}, /* SHIFT_REGS */ \ {0xfffffffe, 0x3fffffff}} /* ALL_REGS */ +/* 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 \ +{ \ + GENERAL_REGS, FP_REGS, SHIFT_REGS, LIM_REG_CLASSES \ +} + /* Defines invalid mode changes. */ #define CANNOT_CHANGE_MODE_CLASS(FROM, TO, CLASS) \ |