diff options
Diffstat (limited to 'gcc/rtl.h')
| -rw-r--r-- | gcc/rtl.h | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/gcc/rtl.h b/gcc/rtl.h index 955ce7d027d..e7d06c2ecdd 100644 --- a/gcc/rtl.h +++ b/gcc/rtl.h @@ -210,7 +210,9 @@ struct GTY(()) reg_info { /* The value of REGNO. */ unsigned int regno; - unsigned int unused : 32; + /* The value of REG_NREGS. */ + unsigned int nregs : 8; + unsigned int unused : 24; /* The value of REG_ATTRS. */ reg_attrs *attrs; @@ -1712,15 +1714,11 @@ inline rtx_insn *JUMP_LABEL_AS_INSN (const rtx_insn *insn) be used on RHS. Use SET_REGNO to change the value. */ #define REGNO(RTX) (rhs_regno(RTX)) #define SET_REGNO(RTX, N) (df_ref_change_reg_with_loc (RTX, N)) -#define SET_REGNO_RAW(RTX, N) (REG_CHECK (RTX)->regno = N) /* Return the number of consecutive registers in a REG. This is always 1 for pseudo registers and is determined by HARD_REGNO_NREGS for hard registers. */ -#define REG_NREGS(RTX) \ - (REGNO (RTX) < FIRST_PSEUDO_REGISTER \ - ? (unsigned int) hard_regno_nregs[REGNO (RTX)][GET_MODE (RTX)] \ - : 1) +#define REG_NREGS(RTX) (REG_CHECK (RTX)->nregs) /* ORIGINAL_REGNO holds the number the register originally had; for a pseudo register turned into a hard reg this will hold the old pseudo @@ -1735,6 +1733,15 @@ rhs_regno (const_rtx x) return REG_CHECK (x)->regno; } +/* Change the REGNO and REG_NREGS of REG X to the specified values, + bypassing the df machinery. */ +static inline void +set_regno_raw (rtx x, unsigned int regno, unsigned int nregs) +{ + reg_info *reg = REG_CHECK (x); + reg->regno = regno; + reg->nregs = nregs; +} /* 1 if RTX is a reg or parallel that is the current function's return value. */ |