PATCH [2/5] Vector math functions infrastructure

diff --git a/math/libm-test.inc b/math/libm-test.inc
index be5ec81..c30ad11 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -126,6 +126,7 @@ 
 #include <argp.h>
 #include <tininess.h>
 #include <math-tests.h>
+#include <math-tests-arch.h>

 /* Structure for ulp data for a function, or the real or imaginary
    part of a function.  */
@@ -685,7 +686,7 @@  static void
 test_single_errno (const char *test_name, int errno_value,
    int expected_value, const char *expected_name)
 {
-#ifndef TEST_INLINE
+#if !defined TEST_INLINE && !TEST_MATHVEC
   if (errno_value == expected_value)
     {
       if (print_screen (1))
@@ -1691,9 +1692,18 @@  struct test_fFF_11_data
        (ARRAY)[i].RM_##ROUNDING_MODE.extra2_expected); \
   ROUND_RESTORE_ ## ROUNDING_MODE

+#if !TEST_MATHVEC
+# define VEC_SUFF
+#endif
+
+#define STR_CONCAT(a, b, c) __STRING (a##b##c)
+#define STR_CON3(a, b, c) STR_CONCAT (a, b, c)
+
 /* Start and end the tests for a given function.  */
-#define START(FUNC, EXACT) \
-  const char *this_func = #FUNC; \
+#define START(FUNC, SUFF, EXACT) \
+  CHECK_ARCH_EXT; \
+  if (TEST_MATHVEC) return; \
+  const char *this_func = STR_CON3 (FUNC, SUFF, VEC_SUFF); \
   init_max_error (this_func, EXACT)
 #define END \
   print_max_error (this_func)
@@ -1706,28 +1716,28 @@  struct test_fFF_11_data
     { \
       do \
  { \
-  START (FUNC, EXACT); \
+  START (FUNC,, EXACT); \
   LOOP_MACRO (FUNC, ARRAY, , ## __VA_ARGS__); \
   END_MACRO; \
  } \
       while (0); \
       do \
  { \
-  START (FUNC ## _downward, EXACT); \
+  START (FUNC, _downward, EXACT); \
   LOOP_MACRO (FUNC, ARRAY, FE_DOWNWARD, ## __VA_ARGS__); \
   END_MACRO; \
  } \
       while (0); \
       do \
  { \
-  START (FUNC ## _towardzero, EXACT); \
+  START (FUNC, _towardzero, EXACT); \
   LOOP_MACRO (FUNC, ARRAY, FE_TOWARDZERO, ## __VA_ARGS__); \
   END_MACRO; \
  } \
       while (0); \
       do \
  { \
-  START (FUNC ## _upward, EXACT); \
+  START (FUNC, _upward, EXACT); \
   LOOP_MACRO (FUNC, ARRAY, FE_UPWARD, ## __VA_ARGS__); \
   END_MACRO; \
  } \
@@ -6025,7 +6035,7 @@  static const struct test_c_c_data cexp_test_data[] =
 static void
 cexp_test (void)
 {
-  START (cexp, 0);
+  START (cexp,, 0);
   RUN_TEST_LOOP_c_c (cexp, cexp_test_data, );
   END_COMPLEX;
 }
@@ -7544,7 +7554,7 @@  static const struct test_if_f_data jn_test_data[] =
 static void
 jn_test (void)
 {
-  START (jn, 0);
+  START (jn,, 0);
   RUN_TEST_LOOP_if_f (jn, jn_test_data, );
   END;
 }
@@ -9506,7 +9516,7 @@  static const struct test_f_f_data tgamma_test_data[] =
 static void
 tgamma_test (void)
 {
-  START (tgamma, 0);
+  START (tgamma,, 0);
   RUN_TEST_LOOP_f_f (tgamma, tgamma_test_data, );
   END;
 }
@@ -9956,6 +9966,8 @@  main (int argc, char **argv)
   initialize ();
   printf (TEST_MSG);

+  INIT_ARCH_EXT;
+
   check_ulp ();

   /* Keep the tests a wee bit ordered (according to ISO C99).  */
diff --git a/math/test-double.c b/math/test-double.c
index cbb81f9..6c1c11c 100644
--- a/math/test-double.c
+++ b/math/test-double.c
@@ -26,6 +26,7 @@ 
 #define PRINTF_XEXPR "a"
 #define PRINTF_NEXPR "f"
 #define TEST_DOUBLE 1
+#define TEST_MATHVEC 0

 #ifndef __NO_MATH_INLINES
 # define __NO_MATH_INLINES
diff --git a/math/test-float.c b/math/test-float.c
index c54dd3c..07dc8ea 100644
--- a/math/test-float.c
+++ b/math/test-float.c
@@ -26,6 +26,7 @@ 
 #define PRINTF_XEXPR "a"
 #define PRINTF_NEXPR "f"
 #define TEST_FLOAT 1
+#define TEST_MATHVEC 0

 #ifndef __NO_MATH_INLINES
 # define __NO_MATH_INLINES
diff --git a/math/test-idouble.c b/math/test-idouble.c
index b23bd21..bb73f9c 100644
--- a/math/test-idouble.c
+++ b/math/test-idouble.c
@@ -26,6 +26,7 @@ 
 #define PRINTF_XEXPR "a"
 #define PRINTF_NEXPR "f"
 #define TEST_DOUBLE 1
+#define TEST_MATHVEC 0
 #define TEST_INLINE

 #ifdef __NO_MATH_INLINES
diff --git a/math/test-ifloat.c b/math/test-ifloat.c
index 57a7a77..74e8e4b 100644
--- a/math/test-ifloat.c
+++ b/math/test-ifloat.c
@@ -26,6 +26,7 @@ 
 #define PRINTF_XEXPR "a"
 #define PRINTF_NEXPR "f"
 #define TEST_FLOAT 1
+#define TEST_MATHVEC 0
 #define TEST_INLINE 1

 #ifdef __NO_MATH_INLINES
diff --git a/math/test-ildoubl.c b/math/test-ildoubl.c
index c38a109..f90a9ba 100644
--- a/math/test-ildoubl.c
+++ b/math/test-ildoubl.c
@@ -27,6 +27,7 @@ 
 #define PRINTF_NEXPR "Lf"
 #define TEST_INLINE
 #define TEST_LDOUBLE 1
+#define TEST_MATHVEC 0

 #ifdef __NO_MATH_INLINES
 # undef __NO_MATH_INLINES
diff --git a/math/test-ldouble.c b/math/test-ldouble.c
index 20bf0a1..97effb6 100644
--- a/math/test-ldouble.c
+++ b/math/test-ldouble.c
@@ -26,6 +26,7 @@ 
 #define PRINTF_XEXPR "La"
 #define PRINTF_NEXPR "Lf"
 #define TEST_LDOUBLE 1
+#define TEST_MATHVEC 0

 #ifndef __NO_MATH_INLINES
 # define __NO_MATH_INLINES
diff --git a/sysdeps/generic/math-tests-arch.h
b/sysdeps/generic/math-tests-arch.h
new file mode 100644
index 0000000..770ee27
--- /dev/null
+++ b/sysdeps/generic/math-tests-arch.h
@@ -0,0 +1,24 @@ 
+/* Runtime architecture check for math tests.
+   Copyright (C) 2015 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* These macros used for architecture check in math tests runtime.
+   INIT_ARCH_EXT should set up for example some global variable which is
+   checked by CHECK_ARCH_EXT which produces return from individual test to
+   prevent run on hardware not supported by tested function implementation. */
+#define INIT_ARCH_EXT
+#define CHECK_ARCH_EXT