From: Jim Wilson <wilson@gcc.gnu.org>
Date: Thu, 31 Oct 1996 18:27:30 +0000 (-0800)
Subject: (expand_call): Disable special handling for const calls
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=80a3ad457d2afd93efaeccedd5cfa978a94c96ed;p=gcc.git

(expand_call): Disable special handling for const calls
that return a PARALLEL rtx.

From-SVN: r13084
---

diff --git a/gcc/calls.c b/gcc/calls.c
index cc92f54dcab..f53529312c9 100644
--- a/gcc/calls.c
+++ b/gcc/calls.c
@@ -1912,8 +1912,9 @@ expand_call (exp, target, ignore)
 
   /* If call is cse'able, make appropriate pair of reg-notes around it.
      Test valreg so we don't crash; may safely ignore `const'
-     if return type is void.  */
-  if (is_const && valreg != 0)
+     if return type is void.  Disable for PARALLEL return values, because
+     we have no way to move such values into a pseudo register.  */
+  if (is_const && valreg != 0 && GET_CODE (valreg) != PARALLEL)
     {
       rtx note = 0;
       rtx temp = gen_reg_rtx (GET_MODE (valreg));