* cse.c: Undo my previous patch.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44126 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 5 insertions, 27 deletions

diff --git a/gcc/cse.c b/gcc/cse.c
index 73cbb880f2d..266b1076c75 100644
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -7488,7 +7488,7 @@ count_reg_usage (x, counts, dest, incr)
 static bool
 set_live_p (set, insn, counts)
      rtx set;
-     rtx insn ATTRIBUTE_UNUSED;
+     rtx insn;
      int *counts;
 {
 #ifdef HAVE_cc0
@@ -7630,19 +7630,8 @@ delete_trivially_dead_insns (insns, nreg, preserve_basic_blocks)
 	if (find_reg_note (insn, REG_RETVAL, NULL_RTX))
 	  {
 	    in_libcall = 1;
-	    /* If the insn storing return value is dead, whole libcall is dead.
-	       Otherwise attempt to eliminate libcall by doing an direct
-	       operation.  */
-	    if (!insn_live_p (insn, counts))
-	      {
-		live_insn = 0;
-		dead_libcall = 1;
-	      }
-	    else
-	      {
-		live_insn = 1;
-		dead_libcall = dead_libcall_p (insn);
-	      }
+	    live_insn = 1;
+	    dead_libcall = dead_libcall_p (insn);
 	  }
 	else if (in_libcall)
 	  live_insn = ! dead_libcall;
@@ -7682,19 +7671,8 @@ delete_trivially_dead_insns (insns, nreg, preserve_basic_blocks)
 	  if (find_reg_note (insn, REG_RETVAL, NULL_RTX))
 	    {
 	      in_libcall = 1;
-	    /* If the insn storing return value is dead, whole libcall is dead.
-	       Otherwise attempt to eliminate libcall by doing an direct
-	       operation.  */
-	    if (!insn_live_p (insn, counts))
-	      {
-		live_insn = 0;
-		dead_libcall = 1;
-	      }
-	    else
-	      {
-		live_insn = 1;
-		dead_libcall = dead_libcall_p (insn);
-	      }
+	      live_insn = 1;
+	      dead_libcall = dead_libcall_p (insn);
 	    }
 	  else if (in_libcall)
 	    live_insn = ! dead_libcall;