From: Jim Wilson <wilson@gcc.gnu.org>
Date: Thu, 6 Jun 1996 23:14:12 +0000 (-0700)
Subject: (expand_value_return): Handle PARALLEL return_reg.
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e5eeae6506bed8f70e16fd7be890d13408f08f51;p=platform%2Fupstream%2Fgcc.git

(expand_value_return): Handle PARALLEL return_reg.

From-SVN: r12192
---

diff --git a/gcc/stmt.c b/gcc/stmt.c
index d9551f6..687520e 100644
--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -2529,6 +2529,21 @@ expand_value_return (val)
   if (GET_CODE (return_reg) == REG
       && REGNO (return_reg) < FIRST_PSEUDO_REGISTER)
     emit_insn (gen_rtx (USE, VOIDmode, return_reg));
+  /* Handle calls that return values in multiple non-contiguous locations.
+     The Irix 6 ABI has examples of this.  */
+  else if (GET_CODE (return_reg) == PARALLEL)
+    {
+      int i;
+
+      for (i = 0; i < XVECLEN (return_reg, 0); i++)
+	{
+	  rtx x = XEXP (XVECEXP (return_reg, 0, i), 0);
+
+	  if (GET_CODE (x) == REG
+	      && REGNO (x) < FIRST_PSEUDO_REGISTER)
+	    emit_insn (gen_rtx (USE, VOIDmode, x));
+	}
+    }
 
   /* Does any pending block have cleanups?  */