[PATCH 1/4] x86-64: Implement libm IFUNC selectors in C

[H.J. Lu]

On Wed, Aug 2, 2017 at 8:37 AM, H.J. Lu <hongjiu.lu@intel.com> wrote:
> Any comments or objections?
>
> H.J.
> ---
>         * 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.

I am checking it in today.


-- 
H.J.