1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/gcse.c b/gcc/gcse.c
index 07bdbf5..fa8ec08 100644
--- a/gcc/gcse.c
+++ b/gcc/gcse.c
@@ -4787,6 +4787,11 @@ insert_insn_end_bb (expr, bb, pre)
 	    if (REGNO (XEXP (XEXP (p, 0), 0)) >= FIRST_PSEUDO_REGISTER)
 	      abort ();
 
+	    /* We only care about registers which can hold function
+	       arguments.  */
+	    if (! FUNCTION_ARG_REGNO_P (REGNO (XEXP (XEXP (p, 0), 0))))
+	      continue;
+
 	    SET_HARD_REG_BIT (parm_regs, REGNO (XEXP (XEXP (p, 0), 0)));
 	    nparm_regs++;
 	  }