diff options
Diffstat (limited to 'gcc/caller-save.c')
| -rw-r--r-- | gcc/caller-save.c | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/gcc/caller-save.c b/gcc/caller-save.c index 53446f38ec3..55a825efe4e 100644 --- a/gcc/caller-save.c +++ b/gcc/caller-save.c @@ -410,6 +410,7 @@ save_call_clobbered_regs (void) { int regno; HARD_REG_SET hard_regs_to_save; + reg_set_iterator rsi; /* Use the register life information in CHAIN to compute which regs are live during the call. */ @@ -425,22 +426,22 @@ save_call_clobbered_regs (void) /* Look through all live pseudos, mark their hard registers and choose proper mode for saving. */ EXECUTE_IF_SET_IN_REG_SET - (&chain->live_throughout, FIRST_PSEUDO_REGISTER, regno, - { - int r = reg_renumber[regno]; - int nregs; - enum machine_mode mode; - - gcc_assert (r >= 0); - nregs = hard_regno_nregs[r][PSEUDO_REGNO_MODE (regno)]; - mode = HARD_REGNO_CALLER_SAVE_MODE - (r, nregs, PSEUDO_REGNO_MODE (regno)); - if (GET_MODE_BITSIZE (mode) - > GET_MODE_BITSIZE (save_mode[r])) - save_mode[r] = mode; - while (nregs-- > 0) - SET_HARD_REG_BIT (hard_regs_to_save, r + nregs); - }); + (&chain->live_throughout, FIRST_PSEUDO_REGISTER, regno, rsi) + { + int r = reg_renumber[regno]; + int nregs; + enum machine_mode mode; + + gcc_assert (r >= 0); + nregs = hard_regno_nregs[r][PSEUDO_REGNO_MODE (regno)]; + mode = HARD_REGNO_CALLER_SAVE_MODE + (r, nregs, PSEUDO_REGNO_MODE (regno)); + if (GET_MODE_BITSIZE (mode) + > GET_MODE_BITSIZE (save_mode[r])) + save_mode[r] = mode; + while (nregs-- > 0) + SET_HARD_REG_BIT (hard_regs_to_save, r + nregs); + } /* Record all registers set in this call insn. These don't need to be saved. N.B. the call insn might set a subreg of a |