diff options
Diffstat (limited to 'gcc/rtl.c')
| -rw-r--r-- | gcc/rtl.c | 25 |
1 files changed, 18 insertions, 7 deletions
@@ -58,13 +58,15 @@ char *rtx_name[] = { #define DEF_MACHMODE(SYM, NAME, CLASS, SIZE, UNIT, WIDER) NAME, -char *mode_name[(int) MAX_MACHINE_MODE] = { +char *mode_name[(int) MAX_MACHINE_MODE + 1] = { #include "machmode.def" #ifdef EXTRA_CC_MODES - EXTRA_CC_NAMES + EXTRA_CC_NAMES, #endif - + /* Add an extra field to avoid a core dump if someone tries to convert + MAX_MACHINE_MODE to a string. */ + "" }; #undef DEF_MACHMODE @@ -107,14 +109,23 @@ int mode_unit_size[(int) MAX_MACHINE_MODE] = { use this. */ #define DEF_MACHMODE(SYM, NAME, CLASS, SIZE, UNIT, WIDER) \ - (enum machine_mode) WIDER, + (unsigned char) WIDER, -enum machine_mode mode_wider_mode[(int) MAX_MACHINE_MODE] = { +unsigned char mode_wider_mode[(int) MAX_MACHINE_MODE] = { #include "machmode.def" /* machine modes are documented here */ }; #undef DEF_MACHMODE +#define DEF_MACHMODE(SYM, NAME, CLASS, SIZE, UNIT, WIDER) \ + ((SIZE) * BITS_PER_UNIT >= HOST_BITS_PER_WIDE_INT) ? ~(unsigned HOST_WIDE_INT)0 : ((unsigned HOST_WIDE_INT) 1 << (SIZE) * BITS_PER_UNIT) - 1, + +/* Indexed by machine mode, gives mask of significant bits in mode. */ + +const unsigned HOST_WIDE_INT mode_mask_array[(int) MAX_MACHINE_MODE] = { +#include "machmode.def" +}; + /* Indexed by mode class, gives the narrowest mode for each class. */ enum machine_mode class_narrowest_mode[(int) MAX_MODE_CLASS]; @@ -892,8 +903,8 @@ init_rtl () mode_class[i] = MODE_CC; mode_size[i] = mode_size[(int) CCmode]; mode_unit_size[i] = mode_unit_size[(int) CCmode]; - mode_wider_mode[i - 1] = (enum machine_mode) i; - mode_wider_mode[i] = VOIDmode; + mode_wider_mode[i - 1] = i; + mode_wider_mode[i] = (unsigned char)VOIDmode; } #endif |