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path: root/sysdeps/sparc/sparc64/fpu/multiarch/s_signbit.S
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2017-11-29sparc: refactor sparc64 signbit{f} selector to CAdhemerval Zanella
This patch refactors the sparc64 ifunc selector to a C implementation. Also, the generic symbol is moved to its own implementation file (s_signbit{f}-generic.S). It also simplifies the multiarch Makefile by moving the common objects from libm-sysdeps_routines and sysdeps_routines to a new sysdeps_call rule and including it where required with the correct prefix. Checked on sparc64-linux-gnu and sparcv9-linux-gnu. * sysdeps/sparc/sparc-ifunc.h (sparc_libm_ifunc_redirected): New macro. * sysdeps/sparc/sparc64/fpu/multiarch/Makefile (sysdep_calls): New rule. (sysdep_routines): Use sysdep_calls as base. (libm-sysdep_routines): Add generic rule for symbols shared with libc. Add s_signbit-generic and s_signbitf-generic objects. * sysdeps/sparc/sparc64/fpu/multiarch/s_signbit.c: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_signbit-generic.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf-generic.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_signbit.S: Remove file. * sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf.S: Likewise. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2017-05-12Remove useless SPARC signbit aliases.Joseph Myers
The SPARC implementations of __signbit* functions have aliases signbit, signbitf, signbitl. These are useless, as they aren't exported from the shared libraries (only the __signbit* functions are exported, to be used by the type-generic signbit macro with older compilers). This patch removes the useless aliases. Tested (compilation only) with build-many-glibcs.py for sparc64-linux-gnu and sparcv9-linux-gnu. * sysdeps/sparc/sparc32/fpu/s_signbit.S (signbit): Remove alias. (signbitf): Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_signbit.S (signbit): Likewise. (signbitl): Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf.S (signbitf): Likewise. * sysdeps/sparc/sparc64/fpu/s_signbit.S (signbit): Likewise. (signbitl): Likewise. * sysdeps/sparc/sparc64/fpu/s_signbitf.S (signbitf): Likewise.
2012-03-15Create a header for sparc ifunc expansion and use it for VIS3 ifuncs.David S. Miller
* sysdeps/sparc/sparc-ifunc.h: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil.S: Use sparc-ifunc.h * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysignf.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmax.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaxf.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmin.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fminf.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrint.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrintf.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rint.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rintf.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/w_sqrt.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/w_sqrtf.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceil.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_finite.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_finitef.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_floor.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_floorf.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_fmax.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_fmaxf.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_fmin.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_fminf.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_isinf.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_isinff.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_isnan.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_isnanf.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_lrint.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_lrintf.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_rint.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_rintf.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_signbit.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf.S: Likewise.
2012-03-14Add framework for using sparc VIS3 instructions, use it for copysign/signbit.David S. Miller
* sysdeps/sparc/configure.in: New file. * sysdeps/sparc/configure: Generate. * configure.in (libc_cv_sparc_as_vis3): Substitute. * configure: Regenerate. * config.h.in (HAVE_AS_VIS3_SUPPORT): New. * config.make.in (have-as-vis3): New. * sysdeps/sparc/sparc32/sparcv9/Makefile (ASFLAGS-*): If VIS3 is available use -Av9d instead of -Av9a. * sysdeps/sparc/sparc64/Makefile: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign-vis3.S: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign.S: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysignf-vis3.S: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysignf.S: New file. * sysdeps/sparc/sparc64/fpu/multiarch/Makefile: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_signbit-vis3.S: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_signbit.S: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf-vis3.S: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf.S: New file.