Revert this patch:

-       * haifa-sched.c (schedule_block): Do not count USE and CLOBBER
-       insns against the issue rate.
-
-       * sched-deps.c (sched_create_groups_for_libcalls): New function.
-       (sched_analyze): Use it.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@54015 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 1 insertions, 4 deletions

diff --git a/gcc/haifa-sched.c b/gcc/haifa-sched.c
index a03b9b346b4..63a31352a5b 100644
--- a/gcc/haifa-sched.c
+++ b/gcc/haifa-sched.c
@@ -2179,10 +2179,7 @@ schedule_block (b, rgn_n_insns)
 	    can_issue_more =
 	      (*targetm.sched.variable_issue) (sched_dump, sched_verbose,
 					       insn, can_issue_more);
-	  /* A naked CLOBBER or USE generates no instruction, so do
-	     not count them against the issue rate.  */
-	  else if (GET_CODE (PATTERN (insn)) != USE
-		   && GET_CODE (PATTERN (insn)) != CLOBBER)
+	  else
 	    can_issue_more--;
 
 	  schedule_insn (insn, &ready, clock_var);