simplify-rtx.c (simplify_binary_operation): Do not simplify inner elements of…

simplify-rtx.c (simplify_binary_operation): Do not simplify inner elements of constant arguments of VEC_CONCAT insn.

	rtl-optimization/18614
        * simplify-rtx.c (simplify_binary_operation): Do not
        simplify inner elements of constant arguments of
        VEC_CONCAT insn.

testsuite:

        * gcc.dg/pr18614-1.c: New test.

From-SVN: r91094

gcc/ChangeLog

+2004-11-23  Uros Bizjak  <uros@kss-loka.si>
+
+        PR rtl-optimization/18614
+        * simplify-rtx.c (simplify_binary_operation): Do not
+        simplify inner elements of constant arguments of
+        VEC_CONCAT insn.
+
 2004-11-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
 
 	* gthr-solaris.h (__gthread_recursive_mutex_init_function): Use

gcc/simplify-rtx.c

@@ -1185,6 +1185,7 @@ simplify_binary_operation (enum rtx_code code, enum machine_mode mode,
   trueop1 = avoid_constant_pool_reference (op1);
 
   if (VECTOR_MODE_P (mode)
+      && code != VEC_CONCAT
       && GET_CODE (trueop0) == CONST_VECTOR
       && GET_CODE (trueop1) == CONST_VECTOR)
     {

gcc/testsuite/ChangeLog

+2004-11-23  Uros Bizjak <uros@kss-loka.si>
+
+	* gcc.dg/pr18614-1.c: New test.
+
 2004-11-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
 
 	* gcc.dg/setjmp-2.c: New test.

gcc/testsuite/gcc.dg/pr18614-1.c

+/* PR rtl-optimization/18614 */
+/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -msse2" } */
+
+typedef double v2df __attribute__ ((vector_size (16)));
+
+v2df foo (void)
+{
+  v2df yd = { 1.0, 4.0 };
+  v2df xd;
+
+  xd = __builtin_ia32_cvtps2pd (__builtin_ia32_rsqrtps
+				(__builtin_ia32_cvtpd2ps (yd)));
+  return xd;
+}