diff options
Diffstat (limited to 'gcc/regrename.h')
| -rw-r--r-- | gcc/regrename.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/regrename.h b/gcc/regrename.h index 2fe12d5..a678963 100644 --- a/gcc/regrename.h +++ b/gcc/regrename.h @@ -41,9 +41,12 @@ public: bitmap_head conflicts; /* Conflicts with untracked hard registers. */ HARD_REG_SET hard_conflicts; + /* Which registers are fully or partially clobbered by the calls that + the chain crosses. */ + HARD_REG_SET call_clobber_mask; - /* Nonzero if the chain crosses a call. */ - unsigned int need_caller_save_reg:1; + /* A bitmask of ABIs used by the calls that the chain crosses. */ + unsigned int call_abis : NUM_ABI_IDS; /* Nonzero if the register is used in a way that prevents renaming, such as the SET_DEST of a CALL_INSN or an asm operand that used to be a hard register. */ |