remove delay slot and stack reg code

1 files changed, 0 insertions, 35 deletions

diff --git a/gcc/jump.c b/gcc/jump.c
index 85452dd..55b6517 100755
--- a/gcc/jump.c
+++ b/gcc/jump.c
@@ -2851,41 +2851,6 @@ find_cross_jump (e1, e2, minimum, f1, f2)
 			    CALL_INSN_FUNCTION_USAGE (i2)))
 	lose = 1;
 
-#ifdef STACK_REGS
-      /* If cross_jump_death_matters is not 0, the insn's mode
-	 indicates whether or not the insn contains any stack-like
-	 regs.  */
-
-      if (!lose && cross_jump_death_matters && GET_MODE (i1) == QImode)
-	{
-	  /* If register stack conversion has already been done, then
-	     death notes must also be compared before it is certain that
-	     the two instruction streams match.  */
-
-	  rtx note;
-	  HARD_REG_SET i1_regset, i2_regset;
-
-	  CLEAR_HARD_REG_SET (i1_regset);
-	  CLEAR_HARD_REG_SET (i2_regset);
-
-	  for (note = REG_NOTES (i1); note; note = XEXP (note, 1))
-	    if (REG_NOTE_KIND (note) == REG_DEAD
-		&& STACK_REG_P (XEXP (note, 0)))
-	      SET_HARD_REG_BIT (i1_regset, REGNO (XEXP (note, 0)));
-
-	  for (note = REG_NOTES (i2); note; note = XEXP (note, 1))
-	    if (REG_NOTE_KIND (note) == REG_DEAD
-		&& STACK_REG_P (XEXP (note, 0)))
-	      SET_HARD_REG_BIT (i2_regset, REGNO (XEXP (note, 0)));
-
-	  GO_IF_HARD_REG_EQUAL (i1_regset, i2_regset, done);
-
-	  lose = 1;
-
-	done:
-	  ;
-	}
-#endif
 
       /* Don't allow old-style asm or volatile extended asms to be accepted
 	 for cross jumping purposes.  It is conceptually correct to allow