x86-64: Implement libm IFUNC selectors in C

	* sysdeps/x86_64/fpu/multiarch/Makefile (libm-sysdep_routines):
	Add s_ceil-sse4_1, s_ceilf-sse4_1, s_floor-sse4_1,
	s_floorf-sse4_1, s_nearbyint-sse4_1, s_nearbyintf-sse4_1,
	s_rint-sse4_1 and s_rintf-sse4_1.
	* sysdeps/x86_64/fpu/multiarch/ifunc-sse4_1.h: New file.
	* sysdeps/x86_64/fpu/multiarch/s_ceil.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/s_ceilf.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/s_floor.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/s_floorf.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/s_nearbyint.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/s_nearbyintf.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/s_rint.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/s_rintf.c: Likewise.
	* sysdeps/x86_64/fpu/multiarch/s_ceil.S: Renamed to ...
	* sysdeps/x86_64/fpu/multiarch/s_ceil-sse4_1.S: This.  Don't
	include <machine/asm.h> nor <init-arch.h>.  Include <sysdep.h>.
	(__ceil): Removed.
	* sysdeps/x86_64/fpu/multiarch/s_ceilf.S: Renamed to ...
	* sysdeps/x86_64/fpu/multiarch/s_ceilf-sse4_1.S: This.  Don't
	include <machine/asm.h> nor <init-arch.h>.  Include <sysdep.h>.
	(__ceilf): Removed.
	* sysdeps/x86_64/fpu/multiarch/s_floor.S: Renamed to ...
	* sysdeps/x86_64/fpu/multiarch/s_floor-sse4_1.S: This.  Don't
	include <machine/asm.h> nor <init-arch.h>.  Include <sysdep.h>.
	(__floor): Removed.
	* sysdeps/x86_64/fpu/multiarch/s_floorf.S: Renamed to ...
	* sysdeps/x86_64/fpu/multiarch/s_floorf-sse4_1.S: This.  Don't
	include <machine/asm.h> nor <init-arch.h>.  Include <sysdep.h>.
	(__floorf): Removed.
	* sysdeps/x86_64/fpu/multiarch/s_nearbyint.S: Renamed to ...
	* sysdeps/x86_64/fpu/multiarch/s_nearbyint-sse4_1.S: This.  Don't
	include <machine/asm.h> nor <init-arch.h>.  Include <sysdep.h>.
	(__nearbyint): Removed.
	* sysdeps/x86_64/fpu/multiarch/s_nearbyintf.S: Renamed to ...
	* sysdeps/x86_64/fpu/multiarch/s_nearbyintf-sse4_1.S: This.  Don't
	include <machine/asm.h> nor <init-arch.h>.  Include <sysdep.h>.
	(__nearbyintf): Removed.
	* sysdeps/x86_64/fpu/multiarch/s_rint.S: Renamed to ...
	* sysdeps/x86_64/fpu/multiarch/s_rint-sse4_1.S: This.  Don't
	include <machine/asm.h> nor <init-arch.h>.  Include <sysdep.h>.
	(__rint): Removed.
	* sysdeps/x86_64/fpu/multiarch/s_rintf.S: Renamed to ...
	* sysdeps/x86_64/fpu/multiarch/s_rintf-sse4_1.S: This.  Don't
	include <machine/asm.h> nor <init-arch.h>.  Include <sysdep.h>.
	(__rintf): Removed.

18 files changed, 287 insertions, 120 deletions

diff --git a/sysdeps/x86_64/fpu/multiarch/Makefile b/sysdeps/x86_64/fpu/multiarch/Makefile
index 3454215..86ddde3 100644
--- a/sysdeps/x86_64/fpu/multiarch/Makefile
+++ b/sysdeps/x86_64/fpu/multiarch/Makefile
@@ -2,6 +2,10 @@ ifeq ($(subdir),math)
 libm-sysdep_routines += s_floor-c s_ceil-c s_floorf-c s_ceilf-c \
 			s_rint-c s_rintf-c s_nearbyint-c s_nearbyintf-c
 
+libm-sysdep_routines += s_ceil-sse4_1 s_ceilf-sse4_1 s_floor-sse4_1 \
+			s_floorf-sse4_1 s_nearbyint-sse4_1 \
+			s_nearbyintf-sse4_1 s_rint-sse4_1 s_rintf-sse4_1
+
 libm-sysdep_routines += e_exp-fma4 e_log-fma4 e_pow-fma4 s_atan-fma4 \
 			e_asin-fma4 e_atan2-fma4 s_sin-fma4 s_tan-fma4 \
 			mplog-fma4 mpa-fma4 slowexp-fma4 slowpow-fma4 \
diff --git a/sysdeps/x86_64/fpu/multiarch/ifunc-sse4_1.h b/sysdeps/x86_64/fpu/multiarch/ifunc-sse4_1.h
new file mode 100644
index 0000000..ad8d878
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/ifunc-sse4_1.h
@@ -0,0 +1,33 @@
+/* Common definition for ifunc selections optimized with SSE4.1.
+   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>
+
+extern __typeof (REDIRECT_NAME) OPTIMIZE (c) attribute_hidden;
+extern __typeof (REDIRECT_NAME) OPTIMIZE (sse41) attribute_hidden;
+
+static inline void *
+IFUNC_SELECTOR (void)
+{
+  const struct cpu_features* cpu_features = __get_cpu_features ();
+
+  if (CPU_FEATURES_CPU_P (cpu_features, SSE4_1))
+    return OPTIMIZE (sse41);
+
+  return OPTIMIZE (c);
+}
diff --git a/sysdeps/x86_64/fpu/multiarch/s_ceil.S b/sysdeps/x86_64/fpu/multiarch/s_ceil-sse4_1.S
index f8eef43..6d6be97 100644
--- a/sysdeps/x86_64/fpu/multiarch/s_ceil.S
+++ b/sysdeps/x86_64/fpu/multiarch/s_ceil-sse4_1.S
@@ -16,22 +16,9 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#include <machine/asm.h>
-#include <init-arch.h>
-
-
-ENTRY(__ceil)
-	.type	__ceil, @gnu_indirect_function
-	LOAD_RTLD_GLOBAL_RO_RDX
-	leaq	__ceil_sse41(%rip), %rax
-	HAS_CPU_FEATURE (SSE4_1)
-	jnz	2f
-	leaq	__ceil_c(%rip), %rax
-2:	ret
-END(__ceil)
-weak_alias (__ceil, ceil)
-
+#include <sysdep.h>
 
+	.section .text.sse4.1,"ax",@progbits
 ENTRY(__ceil_sse41)
 	roundsd	$10, %xmm0, %xmm0
 	ret
diff --git a/sysdeps/x86_64/fpu/multiarch/s_ceil.c b/sysdeps/x86_64/fpu/multiarch/s_ceil.c
new file mode 100644
index 0000000..2c01957
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/s_ceil.c
@@ -0,0 +1,29 @@
+/* Multiple versions of __ceil.
+   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/>.  */
+
+#define ceil __redirect_ceil
+#define __ceil __redirect___ceil
+#include <math.h>
+#undef ceil
+#undef __ceil
+
+#define SYMBOL_NAME ceil
+#include "ifunc-sse4_1.h"
+
+libc_ifunc_redirected (__redirect_ceil, __ceil, IFUNC_SELECTOR ());
+weak_alias (__ceil, ceil)
diff --git a/sysdeps/x86_64/fpu/multiarch/s_ceilf.S b/sysdeps/x86_64/fpu/multiarch/s_ceilf-sse4_1.S
index 076f10f..9081ce6 100644
--- a/sysdeps/x86_64/fpu/multiarch/s_ceilf.S
+++ b/sysdeps/x86_64/fpu/multiarch/s_ceilf-sse4_1.S
@@ -16,22 +16,9 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#include <machine/asm.h>
-#include <init-arch.h>
-
-
-ENTRY(__ceilf)
-	.type	__ceilf, @gnu_indirect_function
-	LOAD_RTLD_GLOBAL_RO_RDX
-	leaq	__ceilf_sse41(%rip), %rax
-	HAS_CPU_FEATURE (SSE4_1)
-	jnz	2f
-	leaq	__ceilf_c(%rip), %rax
-2:	ret
-END(__ceilf)
-weak_alias (__ceilf, ceilf)
-
+#include <sysdep.h>
 
+	.section .text.sse4.1,"ax",@progbits
 ENTRY(__ceilf_sse41)
 	roundss	$10, %xmm0, %xmm0
 	ret
diff --git a/sysdeps/x86_64/fpu/multiarch/s_ceilf.c b/sysdeps/x86_64/fpu/multiarch/s_ceilf.c
new file mode 100644
index 0000000..090de04
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/s_ceilf.c
@@ -0,0 +1,29 @@
+/* Multiple versions of __ceilf.
+   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/>.  */
+
+#define ceilf __redirect_ceilf
+#define __ceilf __redirect___ceilf
+#include <math.h>
+#undef ceilf
+#undef __ceilf
+
+#define SYMBOL_NAME ceilf
+#include "ifunc-sse4_1.h"
+
+libc_ifunc_redirected (__redirect_ceilf, __ceilf, IFUNC_SELECTOR ());
+weak_alias (__ceilf, ceilf)
diff --git a/sysdeps/x86_64/fpu/multiarch/s_floor.S b/sysdeps/x86_64/fpu/multiarch/s_floor-sse4_1.S
index f519ab2..022a4ac 100644
--- a/sysdeps/x86_64/fpu/multiarch/s_floor.S
+++ b/sysdeps/x86_64/fpu/multiarch/s_floor-sse4_1.S
@@ -16,22 +16,9 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#include <machine/asm.h>
-#include <init-arch.h>
-
-
-ENTRY(__floor)
-	.type	__floor, @gnu_indirect_function
-	LOAD_RTLD_GLOBAL_RO_RDX
-	leaq	__floor_sse41(%rip), %rax
-	HAS_CPU_FEATURE (SSE4_1)
-	jnz	2f
-	leaq	__floor_c(%rip), %rax
-2:	ret
-END(__floor)
-weak_alias (__floor, floor)
-
+#include <sysdep.h>
 
+	.section .text.sse4.1,"ax",@progbits
 ENTRY(__floor_sse41)
 	roundsd	$9, %xmm0, %xmm0
 	ret
diff --git a/sysdeps/x86_64/fpu/multiarch/s_floor.c b/sysdeps/x86_64/fpu/multiarch/s_floor.c
new file mode 100644
index 0000000..3dd0f81
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/s_floor.c
@@ -0,0 +1,29 @@
+/* Multiple versions of __floor.
+   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/>.  */
+
+#define floor __redirect_floor
+#define __floor __redirect___floor
+#include <math.h>
+#undef floor
+#undef __floor
+
+#define SYMBOL_NAME floor
+#include "ifunc-sse4_1.h"
+
+libc_ifunc_redirected (__redirect_floor, __floor, IFUNC_SELECTOR ());
+weak_alias (__floor, floor)
diff --git a/sysdeps/x86_64/fpu/multiarch/s_floorf.S b/sysdeps/x86_64/fpu/multiarch/s_floorf-sse4_1.S
index 8613f73..ea63144 100644
--- a/sysdeps/x86_64/fpu/multiarch/s_floorf.S
+++ b/sysdeps/x86_64/fpu/multiarch/s_floorf-sse4_1.S
@@ -16,22 +16,9 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#include <machine/asm.h>
-#include <init-arch.h>
-
-
-ENTRY(__floorf)
-	.type	__floorf, @gnu_indirect_function
-	LOAD_RTLD_GLOBAL_RO_RDX
-	leaq	__floorf_sse41(%rip), %rax
-	HAS_CPU_FEATURE (SSE4_1)
-	jnz	2f
-	leaq	__floorf_c(%rip), %rax
-2:	ret
-END(__floorf)
-weak_alias (__floorf, floorf)
-
+#include <sysdep.h>
 
+	.section .text.sse4.1,"ax",@progbits
 ENTRY(__floorf_sse41)
 	roundss	$9, %xmm0, %xmm0
 	ret
diff --git a/sysdeps/x86_64/fpu/multiarch/s_floorf.c b/sysdeps/x86_64/fpu/multiarch/s_floorf.c
new file mode 100644
index 0000000..d6cf14d
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/s_floorf.c
@@ -0,0 +1,29 @@
+/* Multiple versions of __floorf.
+   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/>.  */
+
+#define floorf __redirect_floorf
+#define __floorf __redirect___floorf
+#include <math.h>
+#undef floorf
+#undef __floorf
+
+#define SYMBOL_NAME floorf
+#include "ifunc-sse4_1.h"
+
+libc_ifunc_redirected (__redirect_floorf, __floorf, IFUNC_SELECTOR ());
+weak_alias (__floorf, floorf)
diff --git a/sysdeps/x86_64/fpu/multiarch/s_nearbyint.S b/sysdeps/x86_64/fpu/multiarch/s_nearbyint-sse4_1.S
index 5a734f6..68934aa 100644
--- a/sysdeps/x86_64/fpu/multiarch/s_nearbyint.S
+++ b/sysdeps/x86_64/fpu/multiarch/s_nearbyint-sse4_1.S
@@ -16,22 +16,9 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#include <machine/asm.h>
-#include <init-arch.h>
-
-
-ENTRY(__nearbyint)
-	.type	__nearbyint, @gnu_indirect_function
-	LOAD_RTLD_GLOBAL_RO_RDX
-	leaq	__nearbyint_sse41(%rip), %rax
-	HAS_CPU_FEATURE (SSE4_1)
-	jnz	2f
-	leaq	__nearbyint_c(%rip), %rax
-2:	ret
-END(__nearbyint)
-weak_alias (__nearbyint, nearbyint)
-
+#include <sysdep.h>
 
+	.section .text.sse4.1,"ax",@progbits
 ENTRY(__nearbyint_sse41)
 	roundsd	$0xc, %xmm0, %xmm0
 	ret
diff --git a/sysdeps/x86_64/fpu/multiarch/s_nearbyint.c b/sysdeps/x86_64/fpu/multiarch/s_nearbyint.c
new file mode 100644
index 0000000..05579c6
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/s_nearbyint.c
@@ -0,0 +1,30 @@
+/* Multiple versions of __nearbyint.
+   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/>.  */
+
+#define nearbyint __redirect_nearbyint
+#define __nearbyint __redirect___nearbyint
+#include <math.h>
+#undef nearbyint
+#undef __nearbyint
+
+#define SYMBOL_NAME nearbyint
+#include "ifunc-sse4_1.h"
+
+libc_ifunc_redirected (__redirect_nearbyint, __nearbyint,
+		       IFUNC_SELECTOR ());
+weak_alias (__nearbyint, nearbyint)
diff --git a/sysdeps/x86_64/fpu/multiarch/s_nearbyintf.S b/sysdeps/x86_64/fpu/multiarch/s_nearbyintf-sse4_1.S
index ad79fd6..16bd905 100644
--- a/sysdeps/x86_64/fpu/multiarch/s_nearbyintf.S
+++ b/sysdeps/x86_64/fpu/multiarch/s_nearbyintf-sse4_1.S
@@ -16,22 +16,9 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#include <machine/asm.h>
-#include <init-arch.h>
-
-
-ENTRY(__nearbyintf)
-	.type	__nearbyintf, @gnu_indirect_function
-	LOAD_RTLD_GLOBAL_RO_RDX
-	leaq	__nearbyintf_sse41(%rip), %rax
-	HAS_CPU_FEATURE (SSE4_1)
-	jnz	2f
-	leaq	__nearbyintf_c(%rip), %rax
-2:	ret
-END(__nearbyintf)
-weak_alias (__nearbyintf, nearbyintf)
-
+#include <sysdep.h>
 
+	.section .text.sse4.1,"ax",@progbits
 ENTRY(__nearbyintf_sse41)
 	roundss	$0xc, %xmm0, %xmm0
 	ret
diff --git a/sysdeps/x86_64/fpu/multiarch/s_nearbyintf.c b/sysdeps/x86_64/fpu/multiarch/s_nearbyintf.c
new file mode 100644
index 0000000..e716c94
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/s_nearbyintf.c
@@ -0,0 +1,30 @@
+/* Multiple versions of __nearbyintf.
+   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/>.  */
+
+#define nearbyintf __redirect_nearbyintf
+#define __nearbyintf __redirect___nearbyintf
+#include <math.h>
+#undef nearbyintf
+#undef __nearbyintf
+
+#define SYMBOL_NAME nearbyintf
+#include "ifunc-sse4_1.h"
+
+libc_ifunc_redirected (__redirect_nearbyintf, __nearbyintf,
+		       IFUNC_SELECTOR ());
+weak_alias (__nearbyintf, nearbyintf)
diff --git a/sysdeps/x86_64/fpu/multiarch/s_rint.S b/sysdeps/x86_64/fpu/multiarch/s_rint-sse4_1.S
index 4f628a9..9224aa9 100644
--- a/sysdeps/x86_64/fpu/multiarch/s_rint.S
+++ b/sysdeps/x86_64/fpu/multiarch/s_rint-sse4_1.S
@@ -16,22 +16,9 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#include <machine/asm.h>
-#include <init-arch.h>
-
-
-ENTRY(__rint)
-	.type	__rint, @gnu_indirect_function
-	LOAD_RTLD_GLOBAL_RO_RDX
-	leaq	__rint_sse41(%rip), %rax
-	HAS_CPU_FEATURE (SSE4_1)
-	jnz	2f
-	leaq	__rint_c(%rip), %rax
-2:	ret
-END(__rint)
-weak_alias (__rint, rint)
-
+#include <sysdep.h>
 
+	.section .text.sse4.1,"ax",@progbits
 ENTRY(__rint_sse41)
 	roundsd	$4, %xmm0, %xmm0
 	ret
diff --git a/sysdeps/x86_64/fpu/multiarch/s_rint.c b/sysdeps/x86_64/fpu/multiarch/s_rint.c
new file mode 100644
index 0000000..ad44e7c
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/s_rint.c
@@ -0,0 +1,29 @@
+/* Multiple versions of __rint.
+   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/>.  */
+
+#define rint __redirect_rint
+#define __rint __redirect___rint
+#include <math.h>
+#undef rint
+#undef __rint
+
+#define SYMBOL_NAME rint
+#include "ifunc-sse4_1.h"
+
+libc_ifunc_redirected (__redirect_rint, __rint, IFUNC_SELECTOR ());
+weak_alias (__rint, rint)
diff --git a/sysdeps/x86_64/fpu/multiarch/s_rintf.S b/sysdeps/x86_64/fpu/multiarch/s_rintf-sse4_1.S
index dee4ad7..7f47592 100644
--- a/sysdeps/x86_64/fpu/multiarch/s_rintf.S
+++ b/sysdeps/x86_64/fpu/multiarch/s_rintf-sse4_1.S
@@ -16,22 +16,9 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#include <machine/asm.h>
-#include <init-arch.h>
-
-
-ENTRY(__rintf)
-	.type	__rintf, @gnu_indirect_function
-	LOAD_RTLD_GLOBAL_RO_RDX
-	leaq	__rintf_sse41(%rip), %rax
-	HAS_CPU_FEATURE (SSE4_1)
-	jnz	2f
-	leaq	__rintf_c(%rip), %rax
-2:	ret
-END(__rintf)
-weak_alias (__rintf, rintf)
-
+#include <sysdep.h>
 
+	.section .text.sse4.1,"ax",@progbits
 ENTRY(__rintf_sse41)
 	roundss	$4, %xmm0, %xmm0
 	ret
diff --git a/sysdeps/x86_64/fpu/multiarch/s_rintf.c b/sysdeps/x86_64/fpu/multiarch/s_rintf.c
new file mode 100644
index 0000000..88f3052
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/s_rintf.c
@@ -0,0 +1,29 @@
+/* Multiple versions of __rintf.
+   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/>.  */
+
+#define rintf __redirect_rintf
+#define __rintf __redirect___rintf
+#include <math.h>
+#undef rintf
+#undef __rintf
+
+#define SYMBOL_NAME rintf
+#include "ifunc-sse4_1.h"
+
+libc_ifunc_redirected (__redirect_rintf, __rintf, IFUNC_SELECTOR ());
+weak_alias (__rintf, rintf)