re PR c++/54427 (Expose more vector extensions)

2012-09-14  Marc Glisse  <marc.glisse@inria.fr>
	PR c++/54427

gcc/ChangeLog
	* fold-const.c (fold_unary_loc): Disable for VECTOR_TYPE.
	(fold_binary_loc): Likewise.
	* gimple-fold.c (and_comparisons_1): Handle VECTOR_TYPE.
	(or_comparisons_1): Likewise.

gcc/cp/ChangeLog
	* typeck.c (cp_build_binary_op) [LSHIFT_EXPR, RSHIFT_EXPR, EQ_EXPR,
	NE_EXPR, LE_EXPR, GE_EXPR, LT_EXPR, GT_EXPR]: Handle VECTOR_TYPE.

gcc/testsuite/ChangeLog
	* g++.dg/other/vector-compare.C: New testcase.
	* gcc/testsuite/c-c++-common/vector-compare-3.c: New testcase.
	* gcc.dg/vector-shift.c: Move ...
	* c-c++-common/vector-shift.c: ... here.
	* gcc.dg/vector-shift1.c: Move ...
	* c-c++-common/vector-shift1.c: ... here.
	* gcc.dg/vector-shift3.c: Move ...
	* c-c++-common/vector-shift3.c: ... here.
	* gcc.dg/vector-compare-1.c: Move ...
	* c-c++-common/vector-compare-1.c: ... here.
	* gcc.dg/vector-compare-2.c: Move ...
	* c-c++-common/vector-compare-2.c: ... here.
	* gcc.c-torture/execute/vector-compare-1.c: Move ...
	* c-c++-common/torture/vector-compare-1.c: ... here.
	* gcc.c-torture/execute/vector-compare-2.x: Delete.
	* gcc.c-torture/execute/vector-compare-2.c: Move ...
	* c-c++-common/torture/vector-compare-2.c: ... here.
	* gcc.c-torture/execute/vector-shift.c: Move ...
	* c-c++-common/torture/vector-shift.c: ... here.
	* gcc.c-torture/execute/vector-shift2.c: Move ...
	* c-c++-common/torture/vector-shift2.c: ... here.
	* gcc.c-torture/execute/vector-subscript-1.c: Move ...
	* c-c++-common/torture/vector-subscript-1.c: ... here.
	* gcc.c-torture/execute/vector-subscript-2.c: Move ...
	* c-c++-common/torture/vector-subscript-2.c: ... here.
	* gcc.c-torture/execute/vector-subscript-3.c: Move ...
	* c-c++-common/torture/vector-subscript-3.c: ... here.

From-SVN: r191308

gcc/ChangeLog

+2012-09-14  Marc Glisse  <marc.glisse@inria.fr>
+
+	PR c++/54427
+	* fold-const.c (fold_unary_loc): Disable for VECTOR_TYPE.
+	(fold_binary_loc): Likewise.
+	* gimple-fold.c (and_comparisons_1): Handle VECTOR_TYPE.
+	(or_comparisons_1): Likewise.
+
 2012-09-14  Richard Earnshaw  <rearnsha@arm.com>
 
 	PR target/54516

gcc/cp/ChangeLog

+2012-09-14  Marc Glisse  <marc.glisse@inria.fr>
+
+	PR c++/54427
+	* typeck.c (cp_build_binary_op) [LSHIFT_EXPR, RSHIFT_EXPR, EQ_EXPR,
+	NE_EXPR, LE_EXPR, GE_EXPR, LT_EXPR, GT_EXPR]: Handle VECTOR_TYPE.
+
 2012-09-14  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	* decl.c (make_typename_type): Only error out if tf_error is set

gcc/cp/typeck.c

@@ -3985,7 +3985,15 @@ cp_build_binary_op (location_t location,
 	 Also set SHORT_SHIFT if shifting rightward.  */
 
     case RSHIFT_EXPR:
-      if (code0 == INTEGER_TYPE && code1 == INTEGER_TYPE)
+      if (code0 == VECTOR_TYPE && code1 == VECTOR_TYPE
+	  && TREE_CODE (TREE_TYPE (type0)) == INTEGER_TYPE
+	  && TREE_CODE (TREE_TYPE (type1)) == INTEGER_TYPE
+	  && TYPE_VECTOR_SUBPARTS (type0) == TYPE_VECTOR_SUBPARTS (type1))
+	{
+	  result_type = type0;
+	  converted = 1;
+	}
+      else if (code0 == INTEGER_TYPE && code1 == INTEGER_TYPE)
 	{
 	  result_type = type0;
 	  if (TREE_CODE (op1) == INTEGER_CST)
@@ -4014,7 +4022,15 @@ cp_build_binary_op (location_t location,
       break;
 
     case LSHIFT_EXPR:
-      if (code0 == INTEGER_TYPE && code1 == INTEGER_TYPE)
+      if (code0 == VECTOR_TYPE && code1 == VECTOR_TYPE
+	  && TREE_CODE (TREE_TYPE (type0)) == INTEGER_TYPE
+	  && TREE_CODE (TREE_TYPE (type1)) == INTEGER_TYPE
+	  && TYPE_VECTOR_SUBPARTS (type0) == TYPE_VECTOR_SUBPARTS (type1))
+	{
+	  result_type = type0;
+	  converted = 1;
+	}
+      else if (code0 == INTEGER_TYPE && code1 == INTEGER_TYPE)
 	{
 	  result_type = type0;
 	  if (TREE_CODE (op1) == INTEGER_CST)
@@ -4072,6 +4088,8 @@ cp_build_binary_op (location_t location,
 
     case EQ_EXPR:
     case NE_EXPR:
+      if (code0 == VECTOR_TYPE && code1 == VECTOR_TYPE)
+	goto vector_compare;
       if ((complain & tf_warning)
 	  && (FLOAT_TYPE_P (type0) || FLOAT_TYPE_P (type1)))
 	warning (OPT_Wfloat_equal,
@@ -4314,6 +4332,35 @@ cp_build_binary_op (location_t location,
 	    warning (OPT_Waddress, "comparison with string literal results in unspecified behaviour");
 	}
 
+      if (code0 == VECTOR_TYPE && code1 == VECTOR_TYPE)
+	{
+	vector_compare:
+	  tree intt;
+	  if (!same_type_ignoring_top_level_qualifiers_p (TREE_TYPE (type0),
+							  TREE_TYPE (type1)))
+	    {
+	      error_at (location, "comparing vectors with different "
+				  "element types");
+	      inform (location, "operand types are %qT and %qT", type0, type1);
+	      return error_mark_node;
+	    }
+
+	  if (TYPE_VECTOR_SUBPARTS (type0) != TYPE_VECTOR_SUBPARTS (type1))
+	    {
+	      error_at (location, "comparing vectors with different "
+				  "number of elements");
+	      inform (location, "operand types are %qT and %qT", type0, type1);
+	      return error_mark_node;
+	    }
+
+	  /* Always construct signed integer vector type.  */
+	  intt = c_common_type_for_size (GET_MODE_BITSIZE
+					   (TYPE_MODE (TREE_TYPE (type0))), 0);
+	  result_type = build_opaque_vector_type (intt,
+						  TYPE_VECTOR_SUBPARTS (type0));
+	  converted = 1;
+	  break;
+	}
       build_type = boolean_type_node;
       if ((code0 == INTEGER_TYPE || code0 == REAL_TYPE
 	   || code0 == ENUMERAL_TYPE)

gcc/fold-const.c

@@ -7771,7 +7771,7 @@ fold_unary_loc (location_t loc, enum tree_code code, tree type, tree op0)
 	    return build2_loc (loc, TREE_CODE (op0), type,
 			       TREE_OPERAND (op0, 0),
 			       TREE_OPERAND (op0, 1));
-	  else if (!INTEGRAL_TYPE_P (type))
+	  else if (!INTEGRAL_TYPE_P (type) && TREE_CODE (type) != VECTOR_TYPE)
 	    return build3_loc (loc, COND_EXPR, type, op0,
 			       constant_boolean_node (true, type),
 			       constant_boolean_node (false, type));
@@ -9829,6 +9829,7 @@ fold_binary_loc (location_t loc,
 
   if ((code == BIT_AND_EXPR || code == BIT_IOR_EXPR
        || code == EQ_EXPR || code == NE_EXPR)
+      && TREE_CODE (type) != VECTOR_TYPE
       && ((truth_value_p (TREE_CODE (arg0))
 	   && (truth_value_p (TREE_CODE (arg1))
 	       || (TREE_CODE (arg1) == BIT_AND_EXPR

gcc/gimple-fold.c

@@ -30,6 +30,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "tree-ssa-propagate.h"
 #include "target.h"
 #include "gimple-fold.h"
+#include "langhooks.h"
 
 /* Return true when DECL can be referenced from current unit.
    FROM_DECL (if non-null) specify constructor of variable DECL was taken from.
@@ -1692,6 +1693,16 @@ static tree
 and_comparisons_1 (enum tree_code code1, tree op1a, tree op1b,
 		   enum tree_code code2, tree op2a, tree op2b)
 {
+  tree truth_type = boolean_type_node;
+  if (TREE_CODE (TREE_TYPE (op1a)) == VECTOR_TYPE)
+    {
+      tree vec_type = TREE_TYPE (op1a);
+      tree elem = lang_hooks.types.type_for_size
+	(GET_MODE_BITSIZE (TYPE_MODE (TREE_TYPE (vec_type))), 0);
+      truth_type = build_opaque_vector_type (elem,
+					     TYPE_VECTOR_SUBPARTS (vec_type));
+    }
+
   /* First check for ((x CODE1 y) AND (x CODE2 y)).  */
   if (operand_equal_p (op1a, op2a, 0)
       && operand_equal_p (op1b, op2b, 0))
@@ -1699,7 +1710,7 @@ and_comparisons_1 (enum tree_code code1, tree op1a, tree op1b,
       /* Result will be either NULL_TREE, or a combined comparison.  */
       tree t = combine_comparisons (UNKNOWN_LOCATION,
 				    TRUTH_ANDIF_EXPR, code1, code2,
-				    boolean_type_node, op1a, op1b);
+				    truth_type, op1a, op1b);
       if (t)
 	return t;
     }
@@ -1712,7 +1723,7 @@ and_comparisons_1 (enum tree_code code1, tree op1a, tree op1b,
       tree t = combine_comparisons (UNKNOWN_LOCATION,
 				    TRUTH_ANDIF_EXPR, code1,
 				    swap_tree_comparison (code2),
-				    boolean_type_node, op1a, op1b);
+				    truth_type, op1a, op1b);
       if (t)
 	return t;
     }
@@ -2154,6 +2165,16 @@ static tree
 or_comparisons_1 (enum tree_code code1, tree op1a, tree op1b,
 		  enum tree_code code2, tree op2a, tree op2b)
 {
+  tree truth_type = boolean_type_node;
+  if (TREE_CODE (TREE_TYPE (op1a)) == VECTOR_TYPE)
+    {
+      tree vec_type = TREE_TYPE (op1a);
+      tree elem = lang_hooks.types.type_for_size
+	(GET_MODE_BITSIZE (TYPE_MODE (TREE_TYPE (vec_type))), 0);
+      truth_type = build_opaque_vector_type (elem,
+					     TYPE_VECTOR_SUBPARTS (vec_type));
+    }
+
   /* First check for ((x CODE1 y) OR (x CODE2 y)).  */
   if (operand_equal_p (op1a, op2a, 0)
       && operand_equal_p (op1b, op2b, 0))
@@ -2161,7 +2182,7 @@ or_comparisons_1 (enum tree_code code1, tree op1a, tree op1b,
       /* Result will be either NULL_TREE, or a combined comparison.  */
       tree t = combine_comparisons (UNKNOWN_LOCATION,
 				    TRUTH_ORIF_EXPR, code1, code2,
-				    boolean_type_node, op1a, op1b);
+				    truth_type, op1a, op1b);
       if (t)
 	return t;
     }
@@ -2174,7 +2195,7 @@ or_comparisons_1 (enum tree_code code1, tree op1a, tree op1b,
       tree t = combine_comparisons (UNKNOWN_LOCATION,
 				    TRUTH_ORIF_EXPR, code1,
 				    swap_tree_comparison (code2),
-				    boolean_type_node, op1a, op1b);
+				    truth_type, op1a, op1b);
       if (t)
 	return t;
     }

gcc/testsuite/ChangeLog

+2012-09-14  Marc Glisse  <marc.glisse@inria.fr>
+
+	PR c++/54427
+	* g++.dg/other/vector-compare.C: New testcase.
+	* gcc/testsuite/c-c++-common/vector-compare-3.c: New testcase.
+	* gcc.dg/vector-shift.c: Move ...
+	* c-c++-common/vector-shift.c: ... here.
+	* gcc.dg/vector-shift1.c: Move ...
+	* c-c++-common/vector-shift1.c: ... here.
+	* gcc.dg/vector-shift3.c: Move ...
+	* c-c++-common/vector-shift3.c: ... here.
+	* gcc.dg/vector-compare-1.c: Move ...
+	* c-c++-common/vector-compare-1.c: ... here.
+	* gcc.dg/vector-compare-2.c: Move ...
+	* c-c++-common/vector-compare-2.c: ... here.
+	* gcc.c-torture/execute/vector-compare-1.c: Move ...
+	* c-c++-common/torture/vector-compare-1.c: ... here.
+	* gcc.c-torture/execute/vector-compare-2.x: Delete.
+	* gcc.c-torture/execute/vector-compare-2.c: Move ...
+	* c-c++-common/torture/vector-compare-2.c: ... here.
+	* gcc.c-torture/execute/vector-shift.c: Move ...
+	* c-c++-common/torture/vector-shift.c: ... here.
+	* gcc.c-torture/execute/vector-shift2.c: Move ...
+	* c-c++-common/torture/vector-shift2.c: ... here.
+	* gcc.c-torture/execute/vector-subscript-1.c: Move ...
+	* c-c++-common/torture/vector-subscript-1.c: ... here.
+	* gcc.c-torture/execute/vector-subscript-2.c: Move ...
+	* c-c++-common/torture/vector-subscript-2.c: ... here.
+	* gcc.c-torture/execute/vector-subscript-3.c: Move ...
+	* c-c++-common/torture/vector-subscript-3.c: ... here.
+
 2012-09-14  Joseph Myers  <joseph@codesourcery.com>
 
 	PR c/54103

gcc/testsuite/gcc.c-torture/execute/vector-compare-1.c → gcc/testsuite/c-c++-common/torture/vector-compare-1.c

+/* { dg-do run } */
 #define vector(elcount, type)  \
 __attribute__((vector_size((elcount)*sizeof(type)))) type
 
@@ -38,7 +39,7 @@ int main (int argc, char *argv[]) {
     vector (4, int) ires;
     int i;
 
-    i0 = (vector (4, INT)){argc, 1,  2,  10};
+    i0 = (vector (4, INT)){(INT)argc, 1,  2,  10};
     i1 = (vector (4, INT)){0, 3, 2, (INT)-23};
     test (4, i0, i1, ires, "%i");
 #undef INT
@@ -48,7 +49,7 @@ int main (int argc, char *argv[]) {
     vector (4, INT) u0;
     vector (4, INT) u1;
 
-    u0 = (vector (4, INT)){argc, 1,  2,  10};
+    u0 = (vector (4, INT)){(INT)argc, 1,  2,  10};
     u1 = (vector (4, INT)){0, 3, 2, (INT)-23};
     test (4, u0, u1, ures, "%u");
 #undef INT
@@ -59,7 +60,7 @@ int main (int argc, char *argv[]) {
     vector (8, SHORT) s1;
     vector (8, short) sres;
 
-    s0 = (vector (8, SHORT)){argc, 1,  2,  10,  6, 87, (SHORT)-5, 2};
+    s0 = (vector (8, SHORT)){(SHORT)argc, 1,  2,  10,  6, 87, (SHORT)-5, 2};
     s1 = (vector (8, SHORT)){0, 3, 2, (SHORT)-23, 12, 10, (SHORT)-2, 0};
     test (8, s0, s1, sres, "%i");
 #undef SHORT
@@ -69,7 +70,7 @@ int main (int argc, char *argv[]) {
     vector (8, SHORT) us1;
     vector (8, short) usres;
 
-    us0 = (vector (8, SHORT)){argc, 1,  2,  10,  6, 87, (SHORT)-5, 2};
+    us0 = (vector (8, SHORT)){(SHORT)argc, 1,  2,  10,  6, 87, (SHORT)-5, 2};
     us1 = (vector (8, SHORT)){0, 3, 2, (SHORT)-23, 12, 10, (SHORT)-2, 0};
     test (8, us0, us1, usres, "%u");
 #undef SHORT
@@ -79,8 +80,8 @@ int main (int argc, char *argv[]) {
     vector (16, CHAR) c1;
     vector (16, signed char) cres;
 
-    c0 = (vector (16, CHAR)){argc, 1,  2,  10,  6, 87, (CHAR)-5, 2, \
-                             argc, 1,  2,  10,  6, 87, (CHAR)-5, 2 };
+    c0 = (vector (16, CHAR)){(CHAR)argc, 1,  2,  10,  6, 87, (CHAR)-5, 2, \
+                             (CHAR)argc, 1,  2,  10,  6, 87, (CHAR)-5, 2 };
 
     c1 = (vector (16, CHAR)){0, 3, 2, (CHAR)-23, 12, 10, (CHAR)-2, 0, \
                              0, 3, 2, (CHAR)-23, 12, 10, (CHAR)-2, 0};
@@ -92,8 +93,8 @@ int main (int argc, char *argv[]) {
     vector (16, CHAR) uc1;
     vector (16, signed char) ucres;
 
-    uc0 = (vector (16, CHAR)){argc, 1,  2,  10,  6, 87, (CHAR)-5, 2, \
-                             argc, 1,  2,  10,  6, 87, (CHAR)-5, 2 };
+    uc0 = (vector (16, CHAR)){(CHAR)argc, 1,  2,  10,  6, 87, (CHAR)-5, 2, \
+                              (CHAR)argc, 1,  2,  10,  6, 87, (CHAR)-5, 2 };
 
     uc1 = (vector (16, CHAR)){0, 3, 2, (CHAR)-23, 12, 10, (CHAR)-2, 0, \
                              0, 3, 2, (CHAR)-23, 12, 10, (CHAR)-2, 0};

gcc/testsuite/gcc.c-torture/execute/vector-compare-2.c → gcc/testsuite/c-c++-common/torture/vector-compare-2.c

+/* { dg-do run } */
+/* { dg-options "-Wno-psabi" } */
 #define vector(elcount, type)  \
 __attribute__((vector_size((elcount)*sizeof(type)))) type
 

gcc/testsuite/gcc.c-torture/execute/vector-shift.c → gcc/testsuite/c-c++-common/torture/vector-shift.c

+/* { dg-do run } */
 
 #define vector __attribute__((vector_size(sizeof(int)*4) ))
 
@@ -16,7 +17,7 @@ static vector unsigned int unumbersrightshiftallones = {0, 0, 1, 1};
 
 #define TEST(result, expected) \
 do { \
-  typeof(result) result1 = result; \
+  __typeof__(result) result1 = result; \
   if(sizeof (result1) != sizeof (expected)) \
     __builtin_abort (); \
   if (__builtin_memcmp (&result1, &expected, sizeof(result1)) != 0) \

gcc/testsuite/gcc.c-torture/execute/vector-shift2.c → gcc/testsuite/c-c++-common/torture/vector-shift2.c

+/* { dg-do run } */
 #define vector(elcount, type)  \
 __attribute__((vector_size((elcount)*sizeof(type)))) type
 

gcc/testsuite/gcc.c-torture/execute/vector-subscript-1.c → gcc/testsuite/c-c++-common/torture/vector-subscript-1.c

-/* dg-do run */
+/* { dg-do run } */
 #define vector __attribute__((vector_size(sizeof(int)*4) ))
 
 /* Check to make sure that we extract and insert the vector at the same

gcc/testsuite/gcc.c-torture/execute/vector-subscript-2.c → gcc/testsuite/c-c++-common/torture/vector-subscript-2.c

+/* { dg-do run } */
 #define vector __attribute__((vector_size(sizeof(int)*4) ))
 
 /* Check to make sure that we extract and insert the vector at the same

gcc/testsuite/gcc.c-torture/execute/vector-subscript-3.c → gcc/testsuite/c-c++-common/torture/vector-subscript-3.c

-/* dg-do run */
+/* { dg-do run } */
 #define vector __attribute__((vector_size(16) ))
 
 /* Check whether register declaration of vector type still 

gcc/testsuite/gcc.dg/vector-compare-1.c → gcc/testsuite/c-c++-common/vector-compare-1.c

 /* { dg-do compile } */
 /* { dg-options "-mabi=altivec" { target { { powerpc*-*-linux* } && ilp32 } } } */
+/* { dg-prune-output "operand types are" } */
 
 #define vector(elcount, type)  \
 __attribute__((vector_size((elcount)*sizeof(type)))) type
@@ -14,6 +15,6 @@ foo (vector (4, int) x, vector (4, float) y)
   vector (4, float) f4;
   
   r4 = x > y;	    /* { dg-error "comparing vectors with different element types" } */
-  r8 = (x != p4);   /* { dg-error "incompatible types when assigning to type" } */
+  r8 = (x != p4);   /* { dg-error "incompatible types when assigning to type|cannot convert" } */
   r8 == r4;	    /* { dg-error "comparing vectors with different number of elements" } */
 }

gcc/testsuite/c-c++-common/vector-compare-3.c

+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+typedef int v4i __attribute__((vector_size(4*sizeof(int))));
+
+// fold should not turn (vec_other)(x<y) into (x<y)?vec_other(-1):vec_other(0).
+
+void use (v4i const *z);
+
+void
+f (v4i *x, v4i *y)
+{
+  v4i const zz = *x < *y;
+  use (&zz);
+}
+
+// Optimizations shouldn't introduce a boolean type in there
+
+void
+g (v4i *x, v4i const *y, v4i *z, v4i *t)
+{
+  *z = *x < *y | *x == *y;
+  *t = *x < *y & *x > *y;
+}
+

gcc/testsuite/gcc.dg/vector-shift.c → gcc/testsuite/c-c++-common/vector-shift.c

 /* { dg-do compile } */
+/* { dg-prune-output "in evaluation of" } */
 #define vector(elcount, type)  \
 __attribute__((vector_size((elcount)*sizeof(type)))) type
 

gcc/testsuite/gcc.dg/vector-shift1.c → gcc/testsuite/c-c++-common/vector-shift1.c

 /* { dg-do compile } */
+/* { dg-prune-output "in evaluation of" } */
 #define vector(elcount, type)  \
 __attribute__((vector_size((elcount)*sizeof(type)))) type
 
@@ -11,7 +12,7 @@ int main (int argc, char *argv[]) {
     vint <<= vfloat0;  /* { dg-error "nvalid operands to binary <<" } */
     vfloat0 >>= vint;  /* { dg-error "nvalid operands to binary >>" } */
 
-    vfloat0 <<= vfloat1;  /* { dg-error "nvalid operands to binary <<" } */
+    vfloat0 <<= vfloat1;  /* { dg-error "nvalid operands" } */
 
     return 0;
 }

gcc/testsuite/gcc.dg/vector-shift3.c → gcc/testsuite/c-c++-common/vector-shift3.c

@@ -5,11 +5,11 @@ __attribute__((vector_size((elcount)*sizeof(type)))) type
 
 
 int main (int argc, char *argv[]) {
-    vector(8, short) v0 = {argc,2,3,4,5,6,7};
+    vector(8, short) v0 = {(short)argc,2,3,4,5,6,7};
     short sc;
 
     
-    scalar1 <<= v0; /* { dg-error ".*scalar1.*undeclared" } */
+    scalar1 <<= v0; /* { dg-error "scalar1.*(undeclared|was not declared)" } */
    
     return 0;
 }

gcc/testsuite/g++.dg/other/vector-compare.C

+/* { dg-do compile } */
+/* { dg-options "-std=gnu++11 -Wall" } */
+
+// Check that we can compare vector types that really are the same through
+// typedefs.
+
+typedef float v4f __attribute__((vector_size(4*sizeof(float))));
+
+template <class T> void eat (T&&) {}
+
+template <class T, int n>
+struct Vec
+{
+  typedef T type __attribute__((vector_size(4*sizeof(T))));
+
+  template <class U>
+  static void fun (type const& t, U& u) { eat (t > u); }
+};
+
+long long
+f (v4f *x, v4f const *y)
+{
+  return ((*x < *y) | (*x <= *y))[2];
+}
+
+int main ()
+{
+  v4f x = {0,1,2,3};
+  Vec<const volatile float,4>::type f = {-1,5,2,3.1};
+  auto c = (x == f) == (x >= x);
+  eat (c[3]);
+  Vec<const volatile float,4>::fun (f, x);
+  Vec<const volatile float,4>::fun (x, f);
+  Vec<const volatile float,4>::fun (f, f);
+  Vec<const volatile float,4>::fun (x, x);
+}

gcc/testsuite/gcc.c-torture/execute/vector-compare-2.x

-set additional_flags "-Wno-psabi"
-return 0