From bdf20beac183c705abef5aef8de2db5fac00bc8b Mon Sep 17 00:00:00 2001 From: Aurelien Jarno Date: Sun, 31 Jul 2016 23:45:52 +0200 Subject: sparc64: add a VIS3 version of ceil, floor and trunc sparc64 passes floating point values in the floating point registers. As the the generic ceil, floor and trunc functions use integer instructions, it makes sense to provide a VIS3 version consisting in the the generic version compiled with -mvis3. GCC will then use movdtox, movxtod, movwtos and movstow instructions. sparc32 passes the floating point values in the integer registers, so it doesn't make sense to do the same. Changelog: * sysdeps/ieee754/dbl-64/s_trunc.c: Avoid alias renamed. * sysdeps/ieee754/dbl-64/wordsize-64/s_trunc.c: Likewise. * sysdeps/ieee754/flt-32/s_truncf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/Makefile [$(subdir) = math && $(have-as-vis3) = yes] (libm-sysdep_routines): Add s_ceilf-vis3, s_ceil-vis3, s_floorf-vis3, s_floor-vis3, s_truncf-vis3, s_trunc-vis3. (CFLAGS-s_ceilf-vis3.c): New. Set to -Wa,-Av9d -mvis3. (CFLAGS-s_ceil-vis3.c): Likewise. (CFLAGS-s_floorf-vis3.c): Likewise. (CFLAGS-s_floor-vis3.c): Likewise. (CFLAGS-s_truncf-vis3.c): Likewise. (CFLAGS-s_trunc-vis3.c): Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-vis3.c: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceil.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf-vis3.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_floor-vis3.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_floor.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_floorf-vis3.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_floorf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_trunc-vis3.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_trunc.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_truncf-vis3.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_truncf.c: Likewise. --- sysdeps/ieee754/flt-32/s_truncf.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'sysdeps/ieee754/flt-32') diff --git a/sysdeps/ieee754/flt-32/s_truncf.c b/sysdeps/ieee754/flt-32/s_truncf.c index 43d35c7f6a..5228ec647f 100644 --- a/sysdeps/ieee754/flt-32/s_truncf.c +++ b/sysdeps/ieee754/flt-32/s_truncf.c @@ -48,4 +48,6 @@ __truncf (float x) return x; } +#ifndef __truncf weak_alias (__truncf, truncf) +#endif -- cgit 1.4.1