diff options
Diffstat (limited to 'gcc/local-alloc.c')
| -rw-r--r-- | gcc/local-alloc.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/local-alloc.c b/gcc/local-alloc.c index 5dbde52..3049a98 100644 --- a/gcc/local-alloc.c +++ b/gcc/local-alloc.c @@ -2043,7 +2043,10 @@ find_free_reg (class, mode, qty, accept_call_clobbered, just_try_suggested, int regno = i; #endif if (! TEST_HARD_REG_BIT (first_used, regno) - && HARD_REGNO_MODE_OK (regno, mode)) + && HARD_REGNO_MODE_OK (regno, mode) + && (qty_n_calls_crossed[qty] == 0 + || accept_call_clobbered + || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))) { register int j; register int size1 = HARD_REGNO_NREGS (regno, mode); |