diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/loop.c | 6 |
2 files changed, 7 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f486794..bb29e7c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-05-31 Pat Haugen <pthaugen@us.ibm.com> + + * loop.c (loop_invariant_p, valid_initial_value_p): Revert last + change. + 2005-05-31 Andrew Pinski <pinskia@physics.uc.edu> PR middle-end/20931 @@ -3645,8 +3645,7 @@ loop_invariant_p (const struct loop *loop, rtx x) return 1; if (LOOP_INFO (loop)->has_call - && REGNO (x) < FIRST_PSEUDO_REGISTER - && TEST_HARD_REG_BIT (regs_invalidated_by_call, REGNO (x))) + && REGNO (x) < FIRST_PSEUDO_REGISTER && call_used_regs[REGNO (x)]) return 0; /* Out-of-range regs can occur when we are called from unrolling. @@ -6720,8 +6719,7 @@ valid_initial_value_p (rtx x, rtx insn, int call_seen, rtx loop_start) some machines, don't use any hard registers at all. */ if (REGNO (x) < FIRST_PSEUDO_REGISTER && (SMALL_REGISTER_CLASSES - || (call_seen - && TEST_HARD_REG_BIT (regs_invalidated_by_call, REGNO (x))))) + || (call_seen && call_used_regs[REGNO (x)]))) return 0; /* Don't use registers that have been clobbered before the start of the |