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Diffstat (limited to 'gcc/config/sparc/sparc.h')
| -rw-r--r-- | gcc/config/sparc/sparc.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/config/sparc/sparc.h b/gcc/config/sparc/sparc.h index 9398968..297844f 100644 --- a/gcc/config/sparc/sparc.h +++ b/gcc/config/sparc/sparc.h @@ -1008,6 +1008,19 @@ extern enum reg_class sparc_regno_reg_class[FIRST_PSEUDO_REGISTER]; #define REGNO_REG_CLASS(REGNO) sparc_regno_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 \ +{ \ + GENERAL_REGS, EXTRA_FP_REGS, FPCC_REGS, LIM_REG_CLASSES \ +} + /* Defines invalid mode changes. Borrowed from pa64-regs.h. SImode loads to floating-point registers are not zero-extended. |