diff options
Diffstat (limited to 'gcc/optabs.h')
| -rw-r--r-- | gcc/optabs.h | 62 |
1 files changed, 50 insertions, 12 deletions
diff --git a/gcc/optabs.h b/gcc/optabs.h index 02c0af5d33a..d8448afb034 100644 --- a/gcc/optabs.h +++ b/gcc/optabs.h @@ -38,19 +38,32 @@ Boston, MA 02111-1307, USA. */ A few optabs, such as move_optab and cmp_optab, are used by special code. */ +struct optab_handlers GTY(()) +{ + enum insn_code insn_code; + rtx libfunc; +}; + struct optab GTY(()) { enum rtx_code code; - struct optab_handlers { - enum insn_code insn_code; - rtx libfunc; - } handlers [NUM_MACHINE_MODES]; + struct optab_handlers handlers[NUM_MACHINE_MODES]; }; typedef struct optab * optab; +/* A convert_optab is for some sort of conversion operation between + modes. The first array index is the destination mode, the second + is the source mode. */ +struct convert_optab GTY(()) +{ + enum rtx_code code; + struct optab_handlers handlers[NUM_MACHINE_MODES][NUM_MACHINE_MODES]; +}; +typedef struct convert_optab *convert_optab; + /* Given an enum insn_code, access the function to construct the body of that kind of insn. */ -#define GEN_FCN(CODE) (*insn_data[(int) (CODE)].genfun) +#define GEN_FCN(CODE) (insn_data[CODE].genfun) /* Enumeration of valid indexes into optab_table. */ enum optab_index @@ -242,7 +255,7 @@ extern GTY(()) optab optab_table[OTI_MAX]; #define log_optab (optab_table[OTI_log]) #define floor_optab (optab_table[OTI_floor]) #define ceil_optab (optab_table[OTI_ceil]) -#define trunc_optab (optab_table[OTI_trunc]) +#define btrunc_optab (optab_table[OTI_trunc]) #define round_optab (optab_table[OTI_round]) #define nearbyint_optab (optab_table[OTI_nearbyint]) #define tan_optab (optab_table[OTI_tan]) @@ -268,13 +281,36 @@ extern GTY(()) optab optab_table[OTI_MAX]; #define push_optab (optab_table[OTI_push]) #define addcc_optab (optab_table[OTI_addcc]) -/* Tables of patterns for extending one integer mode to another. */ -extern enum insn_code extendtab[MAX_MACHINE_MODE][MAX_MACHINE_MODE][2]; +/* Conversion optabs have their own table and indexes. */ +enum convert_optab_index +{ + CTI_sext, + CTI_zext, + CTI_trunc, + + CTI_sfix, + CTI_ufix, + + CTI_sfixtrunc, + CTI_ufixtrunc, + + CTI_sfloat, + CTI_ufloat, + + CTI_MAX +}; + +extern GTY(()) convert_optab convert_optab_table[CTI_MAX]; -/* Tables of patterns for converting between fixed and floating point. */ -extern enum insn_code fixtab[NUM_MACHINE_MODES][NUM_MACHINE_MODES][2]; -extern enum insn_code fixtrunctab[NUM_MACHINE_MODES][NUM_MACHINE_MODES][2]; -extern enum insn_code floattab[NUM_MACHINE_MODES][NUM_MACHINE_MODES][2]; +#define sext_optab (convert_optab_table[CTI_sext]) +#define zext_optab (convert_optab_table[CTI_zext]) +#define trunc_optab (convert_optab_table[CTI_trunc]) +#define sfix_optab (convert_optab_table[CTI_sfix]) +#define ufix_optab (convert_optab_table[CTI_ufix]) +#define sfixtrunc_optab (convert_optab_table[CTI_sfixtrunc]) +#define ufixtrunc_optab (convert_optab_table[CTI_ufixtrunc]) +#define sfloat_optab (convert_optab_table[CTI_sfloat]) +#define ufloat_optab (convert_optab_table[CTI_ufloat]) /* These arrays record the insn_code of insns that may be needed to perform input and output reloads of special objects. They provide a @@ -385,6 +421,8 @@ extern void init_floattab (void); /* Call this to reset the function entry for one optab. */ extern void set_optab_libfunc (optab, enum machine_mode, const char *); +extern void set_conv_libfunc (convert_optab, enum machine_mode, + enum machine_mode, const char *); /* Generate code for a FLOAT_EXPR. */ extern void expand_float (rtx, rtx, int); |