i386: Convert libc_{feholdexcept_setround,updateenv}_53bit to functions.
Also fix a bug in libc_feupdateenv_53bit: don't force the rounding
precision back to _FPU_EXTENDED, instead restore the precision that
the user had in effect beforehand.
David S. Miller [Sat, 17 Mar 2012 03:40:54 +0000 (20:40 -0700)]
Fix libc-lowlevellock.c sysdep finding more generically.
nptl/
[BZ #13844]
* sysdeps/unix/sysv/linux/libc-lowlevellock.c: Include using <..>
instead of "...".
* sysdeps/unix/sysv/linux/sparc/sparc32/libc-lowlevellock.c:
Delete, not needed.
David S. Miller [Sat, 17 Mar 2012 02:28:51 +0000 (19:28 -0700)]
Fix SHMLBA on sparc.
[BZ #6471]
* sysdeps/unix/sysv/linux/shmat.c (shmat): Test for syscall errors
properly.
* sysdeps/unix/sysv/linux/sparc/getshmlba.c: New file.
* sysdeps/unix/sysv/linux/sparc/Makefile: Add getshmlba to
sysdep_routines when subdir is sysvipc.
* sysdeps/unix/sysv/linux/sparc/bits/shm.h (SHMLBA): Use new
__getshmlba helper.
Andreas Jaeger [Thu, 15 Mar 2012 16:34:24 +0000 (17:34 +0100)]
* sysdeps/i386/fpu/s_tanf.S: Delete so that i386 uses the
ieee754/flt-32 implementation for tan.
* math/libm-test.inc (tan_test): Add tests for large input.
* sysdeps/i386/fpu/libm-test-ulps: Update.
Andreas Jaeger [Thu, 15 Mar 2012 16:23:43 +0000 (17:23 +0100)]
[BZ #13852]
* sysdeps/i386/fpu/e_rem_pio2f.c: Delete so that i386 uses the
ieee754/flt-32 implementation.
* sysdeps/i386/fpu/k_rem_pio2f.c: Likewise.
* sysdeps/i386/fpu/s_cosf.S: Likewise.
* sysdeps/i386/fpu/s_sincosf.S: Likewise.
* sysdeps/i386/fpu/s_sinf.S: Likewise.
* math/libm-test.inc (cos_test): Enable some large input tests for
float as well
(sin_test): Likewise.
(sincos_test): Likewise.
* sysdeps/i386/fpu/libm-test-ulps: Update.
David S. Miller [Thu, 15 Mar 2012 09:13:54 +0000 (02:13 -0700)]
Sparc optimized fmin{,f} and fmax{,f}.
* sysdeps/sparc/sparc64/fpu/s_fmax.S: New file.
* sysdeps/sparc/sparc64/fpu/s_fmaxf.S: New file.
* sysdeps/sparc/sparc64/fpu/s_fmin.S: New file.
* sysdeps/sparc/sparc64/fpu/s_fminf.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_fmax.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_fmaxf.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_fmin.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_fminf.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_fmax.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_fmaxf-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_fmaxf.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_fmin-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_fmin.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_fminf-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_fminf.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmax-vis3.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmax.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaxf-vis3.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaxf.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmin-vis3.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmin.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fminf-vis3.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fminf.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/Makefile: Add new vis3
fmin/fmax sysdep routines.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile: Likewise.
David S. Miller [Thu, 15 Mar 2012 07:11:17 +0000 (00:11 -0700)]
Add more sparc VIS3 optimized math routines.
* sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_ceil.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_finite-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_finite.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_finitef-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_finitef.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_floor-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_floor.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_floorf-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_floorf.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_isinf-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_isinf.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_isinff-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_isinff.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_isnan-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_isnan.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_isnanf-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_isnanf.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_lrint-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_lrint.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_lrintf-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_lrintf.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_rint-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_rint.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_rintf-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_rintf.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/Makefile: Add new VIS3 routines.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil-vis3.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf-vis3.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs-vis3.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf-vis3.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor-vis3.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf-vis3.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrint-vis3.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrint.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrintf-vis3.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrintf.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rint-vis3.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rint.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rintf-vis3.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rintf.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/w_sqrt-vis3.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/w_sqrt.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/w_sqrtf-vis3.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/w_sqrtf.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile: Add new VIS3 routines.
* sysdeps/sparc/sparc32/sparcv9/fpu/unix/sysv/linux/multiarch/Implies:
New file.
David S. Miller [Wed, 14 Mar 2012 23:29:47 +0000 (16:29 -0700)]
Add framework for using sparc VIS3 instructions, use it for copysign/signbit.
* 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.
David S. Miller [Wed, 14 Mar 2012 23:21:40 +0000 (16:21 -0700)]
Small optimization to sparc 64-bit copysign.
* sysdeps/sparc/sparc64/fpu/s_copysign.S (__copysign): Use fzeros/fnegs
to load 0x80000000 into a float register instead of using the stack.
* sysdeps/sparc/sparc64/fpu/s_copysignf.S (__copysignf): Likewise.
Andreas Jaeger [Wed, 14 Mar 2012 16:20:10 +0000 (17:20 +0100)]
Implement and use libc_feholdexcept_setround_53bit and libc_feupdateenv_53bit
so that double arithmetic in s_sin is done in 53 bit (without extend i386 double precision)