From: Richard Henderson <rth@redhat.com>
Date: Tue, 3 Feb 2004 04:37:29 +0000 (-0800)
Subject: re PR target/13789 ([tree-ssa] ICE on _builtin_expect_addr)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b0dccb002204bff9f017d83584f3a516e703825e;p=gcc.git

re PR target/13789 ([tree-ssa] ICE on _builtin_expect_addr)

        PR target/13789
        * expr.c (store_expr): Use force_operand before emit_move_insn.

From-SVN: r77158
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a467635fd04..8e2f3c1c683 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-02-02  Richard Henderson  <rth@redhat.com>
+
+        PR target/13789
+        * expr.c (store_expr): Use force_operand before emit_move_insn.
+
 2004-02-02  Jeff Law  <law@redhat.com>
 	    Roger Sayle  <roger@eyesopen.com>
 
diff --git a/gcc/expr.c b/gcc/expr.c
index 8bf073252e2..ba27b04d115 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -4334,7 +4334,11 @@ store_expr (tree exp, rtx target, int want_value)
 			 (want_value & 2
 			  ? BLOCK_OP_CALL_PARM : BLOCK_OP_NORMAL));
       else
-	emit_move_insn (target, temp);
+	{
+	  temp = force_operand (temp, target);
+	  if (temp != target)
+	    emit_move_insn (target, temp);
+	}
     }
 
   /* If we don't want a value, return NULL_RTX.  */
diff --git a/gcc/testsuite/gcc.c-torture/compile/20040202-1.c b/gcc/testsuite/gcc.c-torture/compile/20040202-1.c
new file mode 100644
index 00000000000..ba32c804905
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/20040202-1.c
@@ -0,0 +1,8 @@
+/* PR target/13789 */
+/* Failed on SPARC due to a bug in store_expr.  */
+
+void *foo (void *c)
+{
+  void *a = __builtin_extract_return_addr (c);
+  return a;
+}