diff options
Diffstat (limited to 'gcc/global.c')
| -rw-r--r-- | gcc/global.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/global.c b/gcc/global.c index a3d7e02..3b0c0ec 100644 --- a/gcc/global.c +++ b/gcc/global.c @@ -976,7 +976,10 @@ find_reg (allocno, losers, alt_regs_p, accept_call_clobbered, retrying) int regno = i; #endif if (! TEST_HARD_REG_BIT (used, regno) - && HARD_REGNO_MODE_OK (regno, mode)) + && HARD_REGNO_MODE_OK (regno, mode) + && (allocno_calls_crossed[allocno] == 0 + || accept_call_clobbered + || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))) { register int j; register int lim = regno + HARD_REGNO_NREGS (regno, mode); |