diff options
Diffstat (limited to 'gcc/ra.h')
| -rw-r--r-- | gcc/ra.h | 7 |
1 files changed, 7 insertions, 0 deletions
@@ -168,6 +168,11 @@ struct web was illegal for hardregs in CLASS_CANNOT_CHANGE_MODE. */ unsigned int mode_changed:1; + /* Nonzero if some references of this web, where in subreg context, + but the actual subreg is already stripped (i.e. we don't know the + outer mode of the actual reference). */ + unsigned int subreg_stripped:1; + /* Nonzero, when this web stems from the last pass of the allocator, and all info is still valid (i.e. it wasn't spilled). */ unsigned int old_web:1; @@ -497,6 +502,8 @@ extern unsigned int num_free_regs[N_REG_CLASSES]; represent the possible resources which could be taken away be a value in mode M. */ extern HARD_REG_SET hardregs_for_mode[NUM_MACHINE_MODES]; +/* The set of hardregs, for which _any_ mode change is invalid. */ +extern HARD_REG_SET invalid_mode_change_regs; /* For 0 <= I <= 255, the number of bits set in I. Used to calculate the number of set bits in a HARD_REG_SET. */ extern unsigned char byte2bitcount[256]; |