Message ID | 1509044813-9951-20-git-send-email-adhemerval.zanella@linaro.org |
---|---|
State | New |
Headers | show |
Series | Refactor IFUNC selection in C | expand |
If no one opposes it, I will commit it shortly. I had to adjust to use Joseph recent changes to use libc_alias_{float,double}. On 26/10/2017 17:06, Adhemerval Zanella wrote: > This patch refactors the sparc32 ifunc selector to a C implementation. > Also, the generic symbol is moved to its own implementation file > s_fabs{f}-generic.S). > > Checked on sparc64-linux-gnu and sparcv9-linux-gnu. > > * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile > (libm-sysdep_routines): Add s_fabsf-generic and s_fabs-generic. > * sysdeps/sparc/sparcv9/fpu/multiarch/s_fabs-generic.S: New > file. > * sysdeps/sparc32/sparcv9/fpu/multiarch/s_fabs.c: Likewise. > * sysdeps/sparc32/sparcv9/fpu/multiarch/s_fabsf-generic.S: > Likewise. > * sysdeps/sparc32/sparcv9/fpu/multiarch/s_fabsf.c: Likewise. > * sysdeps/sparc32/sparcv9/fpu/multiarch/s_fabs.S: Remove file. > * sysdeps/sparc32/sparcv9/fpu/multiarch/s_fabsf.S: Likewise. > > Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> > --- > ChangeLog | 11 +++++++ > .../sparc/sparc32/sparcv9/fpu/multiarch/Makefile | 3 +- > .../sparc32/sparcv9/fpu/multiarch/s_fabs-generic.S | 8 +++++ > .../sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S | 18 ----------- > .../sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.c | 35 ++++++++++++++++++++++ > .../sparcv9/fpu/multiarch/s_fabsf-generic.S | 4 +++ > .../sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.S | 12 -------- > .../sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.c | 29 ++++++++++++++++++ > 8 files changed, 89 insertions(+), 31 deletions(-) > create mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs-generic.S > delete mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S > create mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.c > create mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf-generic.S > delete mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.S > create mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.c > > diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile > index b8d1126..bd8e341 100644 > --- a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile > +++ b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile > @@ -7,7 +7,8 @@ sysdep_calls := s_copysignf-vis3 s_copysign-vis3 s_copysignf-generic \ > s_copysign-generic > > sysdep_routines += $(sysdep_calls) > -libm-sysdep_routines += s_fabs-vis3 s_fabsf-vis3 s_llrintf-vis3 s_llrint-vis3 \ > +libm-sysdep_routines += s_fabs-vis3 s_fabsf-vis3 s_fabs-generic \ > + s_fabsf-generic s_llrintf-vis3 s_llrint-vis3 \ > s_rintf-vis3 s_rint-vis3 \ > s_fmaf-vis3 s_fma-vis3 s_fma-generic s_fmaf-generic \ > s_nearbyint-vis3 s_nearbyintf-vis3 \ > diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs-generic.S b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs-generic.S > new file mode 100644 > index 0000000..ddfdf4b > --- /dev/null > +++ b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs-generic.S > @@ -0,0 +1,8 @@ > +#include <math_ldbl_opt.h> > + > +#define __fabs __fabs_generic > +#undef weak_alias > +#define weak_alias(a, b) > +#undef compat_symbol > +#define compat_symbol(a, b, c, d) > +#include <sysdeps/sparc/sparc32/fpu/s_fabs.S> > diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S > deleted file mode 100644 > index 72cc08f..0000000 > --- a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S > +++ /dev/null > @@ -1,18 +0,0 @@ > -#include <sparc-ifunc.h> > -#include <math_ldbl_opt.h> > - > -SPARC_ASM_VIS3_IFUNC(fabs) > - > -weak_alias (__fabs, fabs) > -#if LONG_DOUBLE_COMPAT (libm, GLIBC_2_0) > -compat_symbol (libm, __fabs, fabsl, GLIBC_2_0); > -#endif > - > -# undef weak_alias > -# define weak_alias(a, b) > -# undef compat_symbol > -# define compat_symbol(a, b, c, d) > - > -#define __fabs __fabs_generic > - > -#include "../s_fabs.S" > diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.c b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.c > new file mode 100644 > index 0000000..58b0192 > --- /dev/null > +++ b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.c > @@ -0,0 +1,35 @@ > +/* fabs ifunc resolver, Linux/sparc32 version. > + 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 __fabs __redirect_fabs > +#include <math.h> > +#undef __fabs > +#include <math_ldbl_opt.h> > +#include <sparc-ifunc.h> > + > +extern __typeof (__redirect_fabs) __fabs_vis3 attribute_hidden; > +extern __typeof (__redirect_fabs) __fabs_generic attribute_hidden; > + > +sparc_libm_ifunc_redirected (__redirect_fabs, __fabs, > + hwcap & HWCAP_SPARC_VIS3 > + ? __fabs_vis3 > + : __fabs_generic); > +weak_alias (__fabs, fabs) > +#if LONG_DOUBLE_COMPAT (libm, GLIBC_2_0) > +compat_symbol (libm, __fabs, fabsl, GLIBC_2_0); > +#endif > diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf-generic.S b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf-generic.S > new file mode 100644 > index 0000000..1d55c95 > --- /dev/null > +++ b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf-generic.S > @@ -0,0 +1,4 @@ > +#define __fabsf __fabsf_generic > +#undef weak_alias > +#define weak_alias(a, b) > +#include <sysdeps/sparc/sparc32/fpu/s_fabsf.S> > diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.S b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.S > deleted file mode 100644 > index 0f2e11e..0000000 > --- a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.S > +++ /dev/null > @@ -1,12 +0,0 @@ > -#include <sparc-ifunc.h> > - > -SPARC_ASM_VIS3_IFUNC(fabsf) > - > -weak_alias (__fabsf, fabsf) > - > -# undef weak_alias > -# define weak_alias(a, b) > - > -#define __fabsf __fabsf_generic > - > -#include "../../../fpu/s_fabsf.S" > diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.c b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.c > new file mode 100644 > index 0000000..76711b9 > --- /dev/null > +++ b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.c > @@ -0,0 +1,29 @@ > +/* fabsf ifunc resolver, Linux/sparc32 version. > + 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 <math.h> > +#include <sparc-ifunc.h> > + > +extern __typeof (fabsf) __fabsf_vis3 attribute_hidden; > +extern __typeof (fabsf) __fabsf_generic attribute_hidden; > + > +sparc_libm_ifunc (__fabsf, > + hwcap & HWCAP_SPARC_VIS3 > + ? __fabsf_vis3 > + : __fabsf_generic); > +weak_alias (__fabsf, fabsf) >
diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile index b8d1126..bd8e341 100644 --- a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile +++ b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile @@ -7,7 +7,8 @@ sysdep_calls := s_copysignf-vis3 s_copysign-vis3 s_copysignf-generic \ s_copysign-generic sysdep_routines += $(sysdep_calls) -libm-sysdep_routines += s_fabs-vis3 s_fabsf-vis3 s_llrintf-vis3 s_llrint-vis3 \ +libm-sysdep_routines += s_fabs-vis3 s_fabsf-vis3 s_fabs-generic \ + s_fabsf-generic s_llrintf-vis3 s_llrint-vis3 \ s_rintf-vis3 s_rint-vis3 \ s_fmaf-vis3 s_fma-vis3 s_fma-generic s_fmaf-generic \ s_nearbyint-vis3 s_nearbyintf-vis3 \ diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs-generic.S b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs-generic.S new file mode 100644 index 0000000..ddfdf4b --- /dev/null +++ b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs-generic.S @@ -0,0 +1,8 @@ +#include <math_ldbl_opt.h> + +#define __fabs __fabs_generic +#undef weak_alias +#define weak_alias(a, b) +#undef compat_symbol +#define compat_symbol(a, b, c, d) +#include <sysdeps/sparc/sparc32/fpu/s_fabs.S> diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S deleted file mode 100644 index 72cc08f..0000000 --- a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S +++ /dev/null @@ -1,18 +0,0 @@ -#include <sparc-ifunc.h> -#include <math_ldbl_opt.h> - -SPARC_ASM_VIS3_IFUNC(fabs) - -weak_alias (__fabs, fabs) -#if LONG_DOUBLE_COMPAT (libm, GLIBC_2_0) -compat_symbol (libm, __fabs, fabsl, GLIBC_2_0); -#endif - -# undef weak_alias -# define weak_alias(a, b) -# undef compat_symbol -# define compat_symbol(a, b, c, d) - -#define __fabs __fabs_generic - -#include "../s_fabs.S" diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.c b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.c new file mode 100644 index 0000000..58b0192 --- /dev/null +++ b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.c @@ -0,0 +1,35 @@ +/* fabs ifunc resolver, Linux/sparc32 version. + 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 __fabs __redirect_fabs +#include <math.h> +#undef __fabs +#include <math_ldbl_opt.h> +#include <sparc-ifunc.h> + +extern __typeof (__redirect_fabs) __fabs_vis3 attribute_hidden; +extern __typeof (__redirect_fabs) __fabs_generic attribute_hidden; + +sparc_libm_ifunc_redirected (__redirect_fabs, __fabs, + hwcap & HWCAP_SPARC_VIS3 + ? __fabs_vis3 + : __fabs_generic); +weak_alias (__fabs, fabs) +#if LONG_DOUBLE_COMPAT (libm, GLIBC_2_0) +compat_symbol (libm, __fabs, fabsl, GLIBC_2_0); +#endif diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf-generic.S b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf-generic.S new file mode 100644 index 0000000..1d55c95 --- /dev/null +++ b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf-generic.S @@ -0,0 +1,4 @@ +#define __fabsf __fabsf_generic +#undef weak_alias +#define weak_alias(a, b) +#include <sysdeps/sparc/sparc32/fpu/s_fabsf.S> diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.S b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.S deleted file mode 100644 index 0f2e11e..0000000 --- a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.S +++ /dev/null @@ -1,12 +0,0 @@ -#include <sparc-ifunc.h> - -SPARC_ASM_VIS3_IFUNC(fabsf) - -weak_alias (__fabsf, fabsf) - -# undef weak_alias -# define weak_alias(a, b) - -#define __fabsf __fabsf_generic - -#include "../../../fpu/s_fabsf.S" diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.c b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.c new file mode 100644 index 0000000..76711b9 --- /dev/null +++ b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.c @@ -0,0 +1,29 @@ +/* fabsf ifunc resolver, Linux/sparc32 version. + 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 <math.h> +#include <sparc-ifunc.h> + +extern __typeof (fabsf) __fabsf_vis3 attribute_hidden; +extern __typeof (fabsf) __fabsf_generic attribute_hidden; + +sparc_libm_ifunc (__fabsf, + hwcap & HWCAP_SPARC_VIS3 + ? __fabsf_vis3 + : __fabsf_generic); +weak_alias (__fabsf, fabsf)
This patch refactors the sparc32 ifunc selector to a C implementation. Also, the generic symbol is moved to its own implementation file s_fabs{f}-generic.S). Checked on sparc64-linux-gnu and sparcv9-linux-gnu. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile (libm-sysdep_routines): Add s_fabsf-generic and s_fabs-generic. * sysdeps/sparc/sparcv9/fpu/multiarch/s_fabs-generic.S: New file. * sysdeps/sparc32/sparcv9/fpu/multiarch/s_fabs.c: Likewise. * sysdeps/sparc32/sparcv9/fpu/multiarch/s_fabsf-generic.S: Likewise. * sysdeps/sparc32/sparcv9/fpu/multiarch/s_fabsf.c: Likewise. * sysdeps/sparc32/sparcv9/fpu/multiarch/s_fabs.S: Remove file. * sysdeps/sparc32/sparcv9/fpu/multiarch/s_fabsf.S: Likewise. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> --- ChangeLog | 11 +++++++ .../sparc/sparc32/sparcv9/fpu/multiarch/Makefile | 3 +- .../sparc32/sparcv9/fpu/multiarch/s_fabs-generic.S | 8 +++++ .../sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S | 18 ----------- .../sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.c | 35 ++++++++++++++++++++++ .../sparcv9/fpu/multiarch/s_fabsf-generic.S | 4 +++ .../sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.S | 12 -------- .../sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.c | 29 ++++++++++++++++++ 8 files changed, 89 insertions(+), 31 deletions(-) create mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs-generic.S delete mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S create mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.c create mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf-generic.S delete mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.S create mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.c -- 2.7.4