rs6000.c (rs6000_gimple_fold_builtin): Add handling for early GIMPLE expansion…

rs6000.c (rs6000_gimple_fold_builtin): Add handling for early GIMPLE expansion of vector multiplies.

[gcc]

2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
        early GIMPLE expansion of vector multiplies.

From-SVN: r247974

gcc/ChangeLog

+2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
+
+        * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
+        early GIMPLE expansion of vector multiplies.
+
 2017-05-12  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
 
 	* config/arm/arm.md (movsi): Add TARGET_32BIT in addition to the

gcc/config/rs6000/rs6000.c

@@ -17163,6 +17163,17 @@ rs6000_gimple_fold_builtin (gimple_stmt_iterator *gsi)
 	gsi_replace (gsi, g, true);
 	return true;
       }
+    case VSX_BUILTIN_XVMULSP:
+    case VSX_BUILTIN_XVMULDP:
+      {
+	arg0 = gimple_call_arg (stmt, 0);
+	arg1 = gimple_call_arg (stmt, 1);
+	lhs = gimple_call_lhs (stmt);
+	gimple *g = gimple_build_assign (lhs, MULT_EXPR, arg0, arg1);
+	gimple_set_location (g, gimple_location (stmt));
+	gsi_replace (gsi, g, true);
+	return true;
+      }
     /* Even element flavors of vec_mul (signed). */
     case ALTIVEC_BUILTIN_VMULESB:
     case ALTIVEC_BUILTIN_VMULESH: