x86-64: Implement libmathvec IFUNC selectors in C

	* sysdeps/x86_64/fpu/multiarch/Makefile (libmvec-sysdep_routines)
	Add svml_d_cos2_core-sse2, svml_d_cos4_core-sse,
	svml_d_cos8_core-avx2, svml_d_exp2_core-sse2,
	svml_d_exp4_core-sse, svml_d_exp8_core-avx2,
	svml_d_log2_core-sse2, svml_d_log4_core-sse,
	svml_d_log8_core-avx2, svml_d_pow2_core-sse2,
	svml_d_pow4_core-sse, svml_d_pow8_core-avx2
	svml_d_sin2_core-sse2, svml_d_sin4_core-sse,
	svml_d_sin8_core-avx2, svml_d_sincos2_core-sse2,
	svml_d_sincos4_core-sse, svml_d_sincos8_core-avx2,
	svml_s_cosf16_core-avx2, svml_s_cosf4_core-sse2,
	svml_s_cosf8_core-sse, svml_s_expf16_core-avx2,
	svml_s_expf4_core-sse2, svml_s_expf8_core-sse,
	svml_s_logf16_core-avx2, svml_s_logf4_core-sse2,
	svml_s_logf8_core-sse, svml_s_powf16_core-avx2,
	svml_s_powf4_core-sse2, svml_s_powf8_core-sse,
	svml_s_sincosf16_core-avx2, svml_s_sincosf4_core-sse2,
	svml_s_sincosf8_core-sse, svml_s_sinf16_core-avx2,
	svml_s_sinf4_core-sse2 and svml_s_sinf8_core-sse.
	* sysdeps/x86_64/fpu/multiarch/ifunc-mathvec-avx2.h: New file.
	* sysdeps/x86_64/fpu/multiarch/ifunc-mathvec-avx512.h: Likewise.
	* sysdeps/x86_64/fpu/multiarch/ifunc-mathvec-sse4_1.h: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_cos2_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_cos4_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_cos8_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_exp2_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_exp4_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_exp8_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_log2_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_log4_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_log8_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_pow2_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_pow4_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_pow8_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sin2_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sin4_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sin8_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sincos2_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sincos4_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sincos8_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_cosf16_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_cosf4_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_cosf8_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_expf16_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_expf4_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_expf8_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_logf16_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_logf4_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_logf8_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_powf16_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_powf4_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_powf8_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sincosf16_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sincosf4_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sincosf8_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sinf16_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sinf4_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sinf8_core.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/svml_d_cos2_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_cos2_core-sse2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVbN2v_cos): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_cos4_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_cos4_core-sse.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVdN4v_cos): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_cos8_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_cos8_core-avx2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVeN8v_cos): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_exp2_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_exp2_core-sse2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVbN2v_exp): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_exp4_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_exp4_core-sse.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVdN4v_exp): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_exp8_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_exp8_core-avx2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVeN8v_exp): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_log2_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_log2_core-sse2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVbN2v_log): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_log4_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_log4_core-sse.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVdN4v_log): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_log8_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_log8_core-avx2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVeN8v_log): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_pow2_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_pow2_core-sse2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVbN2vv_pow): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_pow4_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_pow4_core-sse.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVdN4vv_pow): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_pow8_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_pow8_core-avx2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVeN8vv_pow): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sin2_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_sin2_core-sse2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVbN2v_sin): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sin4_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_sin4_core-sse.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVbN4v_sin): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sin8_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_sin8_core-avx2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVbN8v_sin): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sincos2_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_sincos2_core-sse2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVbN2vvv_sincos): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sincos4_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_sincos4_core-sse.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVdN4vvv_sincos): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sincos8_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_sincos8_core-avx2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVeN8vvv_sincos): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_cosf16_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_cosf16_core-avx2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVeN16v_cosf): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_cosf4_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_cosf4_core-sse2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVbN4v_cosf): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_cosf8_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_cosf8_core-sse.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVdN8v_cosf): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_expf16_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_expf16_core-avx2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVeN16v_expf): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_expf4_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_expf4_core-sse2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVbN4v_expf): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_expf8_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_expf8_core-sse.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVdN8v_expf): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_logf16_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_logf16_core-avx2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVeN16v_logf): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_logf4_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_logf4_core-sse2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVbN4v_logf): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_logf8_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_logf8_core-sse.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVdN8v_logf): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_powf16_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_powf16_core-avx2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVeN16vv_powf): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_powf4_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_powf4_core-sse2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVbN4vv_powf): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_powf8_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_powf8_core-sse.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVdN8vv_powf): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sincosf16_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_sincosf16_core-avx2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVeN16vvv_sincosf): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sincosf4_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_sincosf4_core-sse2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVbN4vvv_sincosf): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sincosf8_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_sincosf8_core-sse.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVdN8vvv_sincosf): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sinf16_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_sinf16_core-avx2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVeN16v_sinf): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sinf4_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_sinf4_core-sse2.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVbN4v_sinf): Removed.
	* sysdeps/x86_64/fpu/multiarch/svml_d_sinf8_core.S:  Renamed to
	...
	* sysdeps/x86_64/fpu/multiarch/svml_d_sinf8_core-sse.S: This.
	Don't include <sysdep.h> nor <init-arch.h>.
	(_ZGVdN8v_sinf): Removed.

1 files changed, 38 insertions, 0 deletions

diff --git a/sysdeps/x86_64/fpu/multiarch/ifunc-mathvec-avx2.h b/sysdeps/x86_64/fpu/multiarch/ifunc-mathvec-avx2.h
new file mode 100644
index 0000000000..a43d4c54fa
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/ifunc-mathvec-avx2.h
@@ -0,0 +1,38 @@
+/* Common definition for libmathvec ifunc selections optimized with
+   AVX2.
+   Copyright (C) 2017 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/>.  */
+
+#include <init-arch.h>
+
+#undef PASTER2
+#define PASTER2(x,y)	x##_##y
+
+extern void REDIRECT_NAME (void);
+extern __typeof (REDIRECT_NAME) OPTIMIZE (sse_wrapper) attribute_hidden;
+extern __typeof (REDIRECT_NAME) OPTIMIZE (avx2) attribute_hidden;
+
+static inline void *
+IFUNC_SELECTOR (void)
+{
+  const struct cpu_features* cpu_features = __get_cpu_features ();
+
+  if (CPU_FEATURES_ARCH_P (cpu_features, AVX2_Usable))
+    return OPTIMIZE (avx2);
+
+  return OPTIMIZE (sse_wrapper);
+}