From: Jan Hubicka <jh@suse.cz>
Date: Wed, 18 Jul 2001 18:52:41 +0000 (+0200)
Subject: * cse.c: Undo my previous patch.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=dc42616f43ef046a6ff62d3c070c70a48fbac65b;p=gcc.git

* cse.c: Undo my previous patch.

From-SVN: r44126
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 87d56d45330..5edcb0940fd 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+Wed Jul 18 20:47:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+	* cse.c: Undo my previous patch.
+
 2001-07-18  Tom Tromey  <tromey@redhat.com>
 
 	For PR java/2812:
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;