diff options
Diffstat (limited to 'gcc/global.c')
| -rw-r--r-- | gcc/global.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/global.c b/gcc/global.c index e9941e6d30f..78da99b99a8 100644 --- a/gcc/global.c +++ b/gcc/global.c @@ -1085,7 +1085,14 @@ find_reg (allocno, losers, alt_regs_p, accept_call_clobbered, retrying) && CALLER_SAVE_PROFITABLE (allocno_n_refs[allocno], allocno_calls_crossed[allocno])) { - find_reg (allocno, losers, alt_regs_p, 1, retrying); + HARD_REG_SET new_losers; + if (! losers) + CLEAR_HARD_REG_SET (new_losers); + else + COPY_HARD_REG_SET (new_losers, losers); + + IOR_HARD_REG_SET(new_losers, losing_caller_save_reg_set); + find_reg (allocno, new_losers, alt_regs_p, 1, retrying); if (reg_renumber[allocno_reg[allocno]] >= 0) { caller_save_needed = 1; |