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| author | Pat Haugen <pthaugen@us.ibm.com> | 2005-05-31 21:29:05 +0000 |
|---|---|---|
| committer | David Edelsohn <dje@gcc.gnu.org> | 2005-05-31 17:29:05 -0400 |
| commit | ec22e73ba8b0c57e65fb72522603fe7555123010 (patch) | |
| tree | 36f36cd61cf100c4e81b792974e93885a3672b43 /gcc/loop.c | |
| parent | 87d33b419bb6dc40816527b553478d482adf69ec (diff) | |
| download | gcc-ec22e73ba8b0c57e65fb72522603fe7555123010.zip gcc-ec22e73ba8b0c57e65fb72522603fe7555123010.tar.gz gcc-ec22e73ba8b0c57e65fb72522603fe7555123010.tar.bz2 | |
loop.c (loop_invariant_p, [...]): Revert last change.
2005-05-31 Pat Haugen <pthaugen@us.ibm.com>
* loop.c (loop_invariant_p, valid_initial_value_p): Revert last
change.
From-SVN: r100408
Diffstat (limited to 'gcc/loop.c')
| -rw-r--r-- | gcc/loop.c | 6 |
1 files changed, 2 insertions, 4 deletions
@@ -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 |