diff options
Diffstat (limited to 'gcc/reorg.c')
| -rw-r--r-- | gcc/reorg.c | 30 |
1 files changed, 11 insertions, 19 deletions
diff --git a/gcc/reorg.c b/gcc/reorg.c index 8cd4473..5abf1bb 100644 --- a/gcc/reorg.c +++ b/gcc/reorg.c @@ -2762,25 +2762,17 @@ mark_target_live_regs (target, res) marked live, plus live pseudo regs that have been renumbered to hard regs. */ -#ifdef HARD_REG_SET - current_live_regs = *regs_live; -#else - COPY_HARD_REG_SET (current_live_regs, regs_live); -#endif - - for (offset = 0, i = 0; offset < regset_size; offset++) - { - if (regs_live[offset] == 0) - i += REGSET_ELT_BITS; - else - for (bit = 1; bit && i < max_regno; bit <<= 1, i++) - if ((regs_live[offset] & bit) - && (regno = reg_renumber[i]) >= 0) - for (j = regno; - j < regno + HARD_REGNO_NREGS (regno, - PSEUDO_REGNO_MODE (i)); - j++) - SET_HARD_REG_BIT (current_live_regs, j); + REG_SET_TO_HARD_REG_SET (current_live_regs, regs_live); + + EXECUTE_IF_SET_IN_REG_SET (regs_live, 0, i, + { + if ((regno = reg_renumber[i]) >= 0) + for (j = regno; + j < regno + HARD_REGNO_NREGS (regno, + PSEUDO_REGNO_MODE (i)); + j++) + SET_HARD_REG_BIT (current_live_regs, j); + }); } /* Get starting and ending insn, handling the case where each might |