diff options
Diffstat (limited to 'gcc/rtl.h')
| -rw-r--r-- | gcc/rtl.h | 17 |
1 files changed, 15 insertions, 2 deletions
@@ -789,10 +789,17 @@ extern const char * const note_insn_name[NOTE_INSN_MAX - NOTE_INSN_BIAS]; #define CONST_DOUBLE_MEM(r) XCEXP (r, 0, CONST_DOUBLE) /* For a SUBREG rtx, SUBREG_REG extracts the value we want a subreg of. - SUBREG_WORD extracts the word-number. */ + SUBREG_BYTE extracts the byte-number. */ #define SUBREG_REG(RTX) XCEXP(RTX, 0, SUBREG) -#define SUBREG_WORD(RTX) XCUINT(RTX, 1, SUBREG) +#define SUBREG_BYTE(RTX) XCUINT(RTX, 1, SUBREG) + +/* in rtlanal.c */ +extern unsigned int subreg_regno_offset PARAMS ((unsigned int, + enum machine_mode, + unsigned int, + enum machine_mode)); +extern unsigned int subreg_regno PARAMS ((rtx)); /* 1 if the REG contained in SUBREG_REG is already known to be sign- or zero-extended from the mode of the SUBREG to the mode of @@ -1179,6 +1186,7 @@ extern int rtx_equal_p PARAMS ((rtx, rtx)); extern rtvec gen_rtvec_v PARAMS ((int, rtx *)); extern rtx gen_reg_rtx PARAMS ((enum machine_mode)); extern rtx gen_label_rtx PARAMS ((void)); +extern int subreg_hard_regno PARAMS ((rtx, int)); extern rtx gen_lowpart_common PARAMS ((enum machine_mode, rtx)); extern rtx gen_lowpart PARAMS ((enum machine_mode, rtx)); @@ -1191,6 +1199,8 @@ extern rtx gen_realpart PARAMS ((enum machine_mode, rtx)); extern rtx gen_imagpart PARAMS ((enum machine_mode, rtx)); extern rtx operand_subword PARAMS ((rtx, unsigned int, int, enum machine_mode)); +extern rtx constant_subword PARAMS ((rtx, int, + enum machine_mode)); /* In emit-rtl.c */ extern rtx operand_subword_force PARAMS ((rtx, unsigned int, @@ -1569,8 +1579,11 @@ extern rtx gen_rtx_CONST_DOUBLE PARAMS ((enum machine_mode, rtx, extern rtx gen_rtx_CONST_INT PARAMS ((enum machine_mode, HOST_WIDE_INT)); extern rtx gen_raw_REG PARAMS ((enum machine_mode, int)); extern rtx gen_rtx_REG PARAMS ((enum machine_mode, int)); +extern rtx gen_rtx_SUBREG PARAMS ((enum machine_mode, rtx, int)); extern rtx gen_rtx_MEM PARAMS ((enum machine_mode, rtx)); +extern rtx gen_lowpart_SUBREG PARAMS ((enum machine_mode, rtx)); + /* We need the cast here to ensure that we get the same result both with and without prototypes. */ #define GEN_INT(N) gen_rtx_CONST_INT (VOIDmode, (HOST_WIDE_INT) (N)) |