2005-05-31 Pat Haugen <pthaugen@us.ibm.com>

        * loop.c (loop_invariant_p, valid_initial_value_p): Revert last
        change.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@100408 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f486794..bb29e7c 100644 (file)
--- 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

diff --git a/gcc/loop.c b/gcc/loop.c
index 868b052..a25c1c0 100644 (file)
--- a/gcc/loop.c
+++ b/gcc/loop.c
@@ -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