From: Richard Stallman <rms@gnu.org>
Date: Thu, 13 May 1993 22:29:26 +0000 (+0000)
Subject: (dbxout_parms): Don't output a parm if it's a mem that has a constant address.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8d2911811aafa93c4ae7fc5b1f32a9462d4a2c10;p=gcc.git

(dbxout_parms): Don't output a parm if it's a mem that has a constant address.

From-SVN: r4440
---

diff --git a/gcc/dbxout.c b/gcc/dbxout.c
index dc1f8920b15..a2c78c4f0af 100644
--- a/gcc/dbxout.c
+++ b/gcc/dbxout.c
@@ -2076,7 +2076,11 @@ dbxout_parms (parms)
 	    dbxout_finish_symbol (parms);
 	  }
 	else if (GET_CODE (DECL_RTL (parms)) == MEM
-		 && XEXP (DECL_RTL (parms), 0) != const0_rtx)
+		 && XEXP (DECL_RTL (parms), 0) != const0_rtx
+		 /* ??? A constant address for a parm can happen
+		    when the reg it lives in is equiv to a constant in memory.
+		    Should make this not happen, after 2.4.  */
+		 && ! CONSTANT_P (XEXP (DECL_RTL (parms), 0)))
 	  {
 	    /* Parm was passed in registers but lives on the stack.  */