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Optimize nearbyint{,f} on sparc.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile: Add vis3
nearbyint{,f} to libm-sysdep_routes.
* sysdeps/sparc/sparc64/fpu/multiarch/Makefile: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyint-vis3.S:
New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyint.S: New
file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyintf-vis3.S:
New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyintf.S: New
file.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_nearbyint.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_nearbyintf.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyint-vis3.S: New
file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyint.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyintf-vis3.S: New
file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyintf.S: New file.
* sysdeps/sparc/sparc64/fpu/s_nearbyint.S: New file.
* sysdeps/sparc/sparc64/fpu/s_nearbyintf.S: New file.
This commit is contained in:
David S. Miller
22
ChangeLog
22
ChangeLog
@ -1,5 +1,27 @@
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|||||||
2013-01-15 David S. Miller <davem@davemloft.net>
|
2013-01-15 David S. Miller <davem@davemloft.net>
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* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile: Add vis3
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nearbyint{,f} to libm-sysdep_routes.
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* sysdeps/sparc/sparc64/fpu/multiarch/Makefile: Likewise.
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* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyint-vis3.S:
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New file.
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* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyint.S: New
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|
file.
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* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyintf-vis3.S:
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New file.
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* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyintf.S: New
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file.
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* sysdeps/sparc/sparc32/sparcv9/fpu/s_nearbyint.S: New file.
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* sysdeps/sparc/sparc32/sparcv9/fpu/s_nearbyintf.S: New file.
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* sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyint-vis3.S: New
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file.
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* sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyint.S: New file.
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* sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyintf-vis3.S: New
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file.
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* sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyintf.S: New file.
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* sysdeps/sparc/sparc64/fpu/s_nearbyint.S: New file.
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* sysdeps/sparc/sparc64/fpu/s_nearbyintf.S: New file.
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* sysdeps/ieee754/dbl-64/s_nearbyint.c (__nearbyint): Use
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* sysdeps/ieee754/dbl-64/s_nearbyint.c (__nearbyint): Use
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libc_feholdexcept and libc_fesetenv.
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libc_feholdexcept and libc_fesetenv.
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@ -7,7 +7,8 @@ libm-sysdep_routines += m_copysignf-vis3 m_copysign-vis3 s_ceilf-vis3 \
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s_floorf-vis3 s_llrintf-vis3 s_llrint-vis3 \
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s_floorf-vis3 s_llrintf-vis3 s_llrint-vis3 \
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s_rintf-vis3 s_rint-vis3 w_sqrt-vis3 w_sqrtf-vis3 \
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s_rintf-vis3 s_rint-vis3 w_sqrt-vis3 w_sqrtf-vis3 \
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s_fminf-vis3 s_fmin-vis3 s_fmaxf-vis3 s_fmax-vis3 \
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s_fminf-vis3 s_fmin-vis3 s_fmaxf-vis3 s_fmax-vis3 \
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s_fmaf-vis3 s_fma-vis3 s_fdimf-vis3 s_fdim-vis3
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s_fmaf-vis3 s_fma-vis3 s_fdimf-vis3 s_fdim-vis3 \
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s_nearbyint-vis3 s_nearbyintf-vis3
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sysdep_routines += s_copysignf-vis3 s_copysign-vis3
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sysdep_routines += s_copysignf-vis3 s_copysign-vis3
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endif
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endif
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endif
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endif
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@ -0,0 +1,65 @@
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|
/* Round float to int floating-point values without generating
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|
an inexact exception, sparc32 v9 vis3 version.
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|
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|
Copyright (C) 2013 Free Software Foundation, Inc.
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|
This file is part of the GNU C Library.
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|
Contributed by David S. Miller <davem@davemloft.net>, 2013.
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|
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|
The GNU C Library is free software; you can redistribute it and/or
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|
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/>. */
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|
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#include <sysdep.h>
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#include <math_ldbl_opt.h>
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/* We pop constants into the FPU registers using the incoming
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|
argument stack slots, since this avoid having to use any PIC
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|
references. We also thus avoid having to allocate a register
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|
window.
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|
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|
VIS instructions are used to facilitate the formation of
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|
easier constants, and the propagation of the sign bit. */
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|
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#define TWO_FIFTYTWO 0x43300000 /* 2**52 */
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#define ZERO %f10 /* 0.0 */
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#define SIGN_BIT %f12 /* -0.0 */
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ENTRY (__nearbyint_vis3)
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st %fsr, [%sp + 88]
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sethi %hi(TWO_FIFTYTWO), %o2
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sethi %hi(0xf8003e0), %o5
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ld [%sp + 88], %o4
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sllx %o0, 32, %o0
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or %o5, %lo(0xf8003e0), %o5
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or %o0, %o1, %o0
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movxtod %o0, %f0
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andn %o4, %o5, %o4
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fzero ZERO
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st %o4, [%sp + 80]
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sllx %o2, 32, %o2
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fnegd ZERO, SIGN_BIT
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ld [%sp + 80], %fsr
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movxtod %o2, %f16
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fabsd %f0, %f14
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fcmpd %fcc3, %f14, %f16
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fmovduge %fcc3, ZERO, %f16
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fand %f0, SIGN_BIT, SIGN_BIT
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for %f16, SIGN_BIT, %f16
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faddd %f0, %f16, %f6
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fsubd %f6, %f16, %f0
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fabsd %f0, %f0
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for %f0, SIGN_BIT, %f0
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retl
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ld [%sp + 88], %fsr
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END (__nearbyint_vis3)
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19
sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyint.S
Normal file
19
sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyint.S
Normal file
@ -0,0 +1,19 @@
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|
#include <sparc-ifunc.h>
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#include <math_ldbl_opt.h>
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SPARC_ASM_VIS3_IFUNC(nearbyint)
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weak_alias (__nearbyint, nearbyint)
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#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
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compat_symbol (libm, __nearbyint, nearbyintl, GLIBC_2_1)
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#endif
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# undef weak_alias
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# define weak_alias(a, b)
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# undef compat_symbol
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# define compat_symbol(a, b, c, d)
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#define __nearbyint __nearbyint_generic
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#include "../s_nearbyint.S"
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@ -0,0 +1,61 @@
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/* Round float to int floating-point values without generating
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|
an inexact exception, sparc32 v9 vis3 version.
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|
|
||||||
|
Copyright (C) 2013 Free Software Foundation, Inc.
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||||||
|
This file is part of the GNU C Library.
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|
Contributed by David S. Miller <davem@davemloft.net>, 2013.
|
||||||
|
|
||||||
|
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/>. */
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|
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|
#include <sysdep.h>
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|
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/* We pop constants into the FPU registers using the incoming
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|
argument stack slots, since this avoid having to use any PIC
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|
references. We also thus avoid having to allocate a register
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|
window.
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|
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|
VIS instructions are used to facilitate the formation of
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|
easier constants, and the propagation of the sign bit. */
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#define TWO_TWENTYTHREE 0x4b000000 /* 2**23 */
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#define ZERO %f10 /* 0.0 */
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#define SIGN_BIT %f12 /* -0.0 */
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ENTRY (__nearbyintf_vis3)
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st %fsr, [%sp + 88]
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movwtos %o0, %f1
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sethi %hi(TWO_TWENTYTHREE), %o2
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sethi %hi(0xf8003e0), %o5
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ld [%sp + 88], %o4
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fzeros ZERO
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or %o5, %lo(0xf8003e0), %o5
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fnegs ZERO, SIGN_BIT
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andn %o4, %o5, %o4
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st %o4, [%sp + 80]
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ld [%sp + 80], %fsr
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movwtos %o2, %f16
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fabss %f1, %f14
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fcmps %fcc3, %f14, %f16
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fmovsuge %fcc3, ZERO, %f16
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fands %f1, SIGN_BIT, SIGN_BIT
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fors %f16, SIGN_BIT, %f16
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fadds %f1, %f16, %f5
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fsubs %f5, %f16, %f0
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fabss %f0, %f0
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|
fors %f0, SIGN_BIT, %f0
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|
retl
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ld [%sp + 88], %fsr
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|
END (__nearbyintf_vis3)
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12
sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyintf.S
Normal file
12
sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyintf.S
Normal file
@ -0,0 +1,12 @@
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|
#include <sparc-ifunc.h>
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|
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|
SPARC_ASM_VIS3_IFUNC(nearbyintf)
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|
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|
weak_alias (__nearbyintf, nearbyintf)
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|
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|
# undef weak_alias
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# define weak_alias(a, b)
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|
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#define __nearbyintf __nearbyintf_generic
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|
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|
#include "../s_nearbyintf.S"
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72
sysdeps/sparc/sparc32/sparcv9/fpu/s_nearbyint.S
Normal file
72
sysdeps/sparc/sparc32/sparcv9/fpu/s_nearbyint.S
Normal file
@ -0,0 +1,72 @@
|
|||||||
|
/* Round float to int floating-point values without generating
|
||||||
|
an inexact exception, sparc32 v9 version.
|
||||||
|
|
||||||
|
Copyright (C) 2013 Free Software Foundation, Inc.
|
||||||
|
This file is part of the GNU C Library.
|
||||||
|
Contributed by David S. Miller <davem@davemloft.net>, 2013.
|
||||||
|
|
||||||
|
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 <sysdep.h>
|
||||||
|
#include <math_ldbl_opt.h>
|
||||||
|
|
||||||
|
/* We pop constants into the FPU registers using the incoming
|
||||||
|
argument stack slots, since this avoid having to use any PIC
|
||||||
|
references. We also thus avoid having to allocate a register
|
||||||
|
window.
|
||||||
|
|
||||||
|
VIS instructions are used to facilitate the formation of
|
||||||
|
easier constants, and the propagation of the sign bit. */
|
||||||
|
|
||||||
|
#define TWO_FIFTYTWO 0x43300000 /* 2**52 */
|
||||||
|
|
||||||
|
#define ZERO %f10 /* 0.0 */
|
||||||
|
#define SIGN_BIT %f12 /* -0.0 */
|
||||||
|
|
||||||
|
ENTRY (__nearbyint)
|
||||||
|
st %fsr, [%sp + 88]
|
||||||
|
sethi %hi(TWO_FIFTYTWO), %o2
|
||||||
|
sethi %hi(0xf8003e0), %o5
|
||||||
|
ld [%sp + 88], %o4
|
||||||
|
sllx %o0, 32, %o0
|
||||||
|
or %o5, %lo(0xf8003e0), %o5
|
||||||
|
or %o0, %o1, %o0
|
||||||
|
andn %o4, %o5, %o4
|
||||||
|
fzero ZERO
|
||||||
|
st %o4, [%sp + 80]
|
||||||
|
stx %o0, [%sp + 72]
|
||||||
|
sllx %o2, 32, %o2
|
||||||
|
fnegd ZERO, SIGN_BIT
|
||||||
|
ldd [%sp + 72], %f0
|
||||||
|
ld [%sp + 80], %fsr
|
||||||
|
stx %o2, [%sp + 72]
|
||||||
|
fabsd %f0, %f14
|
||||||
|
ldd [%sp + 72], %f16
|
||||||
|
fcmpd %fcc3, %f14, %f16
|
||||||
|
fmovduge %fcc3, ZERO, %f16
|
||||||
|
fand %f0, SIGN_BIT, SIGN_BIT
|
||||||
|
for %f16, SIGN_BIT, %f16
|
||||||
|
faddd %f0, %f16, %f6
|
||||||
|
fsubd %f6, %f16, %f0
|
||||||
|
fabsd %f0, %f0
|
||||||
|
for %f0, SIGN_BIT, %f0
|
||||||
|
retl
|
||||||
|
ld [%sp + 88], %fsr
|
||||||
|
END (__nearbyint)
|
||||||
|
weak_alias (__nearbyint, nearbyint)
|
||||||
|
|
||||||
|
#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
|
||||||
|
compat_symbol (libm, __nearbyint, nearbyintl, GLIBC_2_1)
|
||||||
|
#endif
|
||||||
64
sysdeps/sparc/sparc32/sparcv9/fpu/s_nearbyintf.S
Normal file
64
sysdeps/sparc/sparc32/sparcv9/fpu/s_nearbyintf.S
Normal file
@ -0,0 +1,64 @@
|
|||||||
|
/* Round float to int floating-point values without generating
|
||||||
|
an inexact exception, sparc32 v9 version.
|
||||||
|
|
||||||
|
Copyright (C) 2013 Free Software Foundation, Inc.
|
||||||
|
This file is part of the GNU C Library.
|
||||||
|
Contributed by David S. Miller <davem@davemloft.net>, 2013.
|
||||||
|
|
||||||
|
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 <sysdep.h>
|
||||||
|
|
||||||
|
/* We pop constants into the FPU registers using the incoming
|
||||||
|
argument stack slots, since this avoid having to use any PIC
|
||||||
|
references. We also thus avoid having to allocate a register
|
||||||
|
window.
|
||||||
|
|
||||||
|
VIS instructions are used to facilitate the formation of
|
||||||
|
easier constants, and the propagation of the sign bit. */
|
||||||
|
|
||||||
|
#define TWO_TWENTYTHREE 0x4b000000 /* 2**23 */
|
||||||
|
|
||||||
|
#define ZERO %f10 /* 0.0 */
|
||||||
|
#define SIGN_BIT %f12 /* -0.0 */
|
||||||
|
|
||||||
|
ENTRY (__nearbyintf)
|
||||||
|
st %fsr, [%sp + 88]
|
||||||
|
st %o0, [%sp + 68]
|
||||||
|
sethi %hi(TWO_TWENTYTHREE), %o2
|
||||||
|
sethi %hi(0xf8003e0), %o5
|
||||||
|
ld [%sp + 88], %o4
|
||||||
|
fzeros ZERO
|
||||||
|
or %o5, %lo(0xf8003e0), %o5
|
||||||
|
fnegs ZERO, SIGN_BIT
|
||||||
|
andn %o4, %o5, %o4
|
||||||
|
st %o4, [%sp + 80]
|
||||||
|
ld [%sp + 68], %f1
|
||||||
|
ld [%sp + 80], %fsr
|
||||||
|
st %o2, [%sp + 68]
|
||||||
|
fabss %f1, %f14
|
||||||
|
ld [%sp + 68], %f16
|
||||||
|
fcmps %fcc3, %f14, %f16
|
||||||
|
fmovsuge %fcc3, ZERO, %f16
|
||||||
|
fands %f1, SIGN_BIT, SIGN_BIT
|
||||||
|
fors %f16, SIGN_BIT, %f16
|
||||||
|
fadds %f1, %f16, %f5
|
||||||
|
fsubs %f5, %f16, %f0
|
||||||
|
fabss %f0, %f0
|
||||||
|
fors %f0, SIGN_BIT, %f0
|
||||||
|
retl
|
||||||
|
ld [%sp + 88], %fsr
|
||||||
|
END (__nearbyintf)
|
||||||
|
weak_alias (__nearbyintf, nearbyintf)
|
||||||
@ -9,7 +9,7 @@ libm-sysdep_routines += m_signbitf-vis3 m_signbit-vis3 s_ceilf-vis3 \
|
|||||||
s_lrintf-vis3 s_lrint-vis3 s_rintf-vis3 \
|
s_lrintf-vis3 s_lrint-vis3 s_rintf-vis3 \
|
||||||
s_rint-vis3 s_fminf-vis3 s_fmin-vis3 \
|
s_rint-vis3 s_fminf-vis3 s_fmin-vis3 \
|
||||||
s_fmaxf-vis3 s_fmax-vis3 s_fmaf-vis3 \
|
s_fmaxf-vis3 s_fmax-vis3 s_fmaf-vis3 \
|
||||||
s_fma-vis3
|
s_fma-vis3 s_nearbyint-vis3 s_nearbyintf-vis3
|
||||||
sysdep_routines += s_signbitf-vis3 s_signbit-vis3 s_finitef-vis3 \
|
sysdep_routines += s_signbitf-vis3 s_signbit-vis3 s_finitef-vis3 \
|
||||||
s_finite-vis3 s_isinff-vis3 s_isinf-vis3 \
|
s_finite-vis3 s_isinff-vis3 s_isinf-vis3 \
|
||||||
s_isnanf-vis3 s_isnan-vis3
|
s_isnanf-vis3 s_isnan-vis3
|
||||||
|
|||||||
61
sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyint-vis3.S
Normal file
61
sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyint-vis3.S
Normal file
@ -0,0 +1,61 @@
|
|||||||
|
/* Round float to int floating-point values without generating
|
||||||
|
an inexact exception, sparc64 vis3 version.
|
||||||
|
|
||||||
|
Copyright (C) 2013 Free Software Foundation, Inc.
|
||||||
|
This file is part of the GNU C Library.
|
||||||
|
Contributed by David S. Miller <davem@davemloft.net>, 2013.
|
||||||
|
|
||||||
|
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 <sysdep.h>
|
||||||
|
|
||||||
|
/* We pop constants into the FPU registers using the incoming
|
||||||
|
argument stack slots, since this avoid having to use any PIC
|
||||||
|
references. We also thus avoid having to allocate a register
|
||||||
|
window.
|
||||||
|
|
||||||
|
VIS instructions are used to facilitate the formation of
|
||||||
|
easier constants, and the propagation of the sign bit. */
|
||||||
|
|
||||||
|
#define TWO_FIFTYTWO 0x43300000 /* 2**52 */
|
||||||
|
|
||||||
|
#define ZERO %f10 /* 0.0 */
|
||||||
|
#define SIGN_BIT %f12 /* -0.0 */
|
||||||
|
|
||||||
|
ENTRY (__nearbyint_vis3)
|
||||||
|
stx %fsr, [%sp + STACK_BIAS + 144]
|
||||||
|
sethi %hi(TWO_FIFTYTWO), %o2
|
||||||
|
sllx %o2, 32, %o2
|
||||||
|
ldx [%sp + STACK_BIAS + 144], %o4
|
||||||
|
sethi %hi(0xf8003e0), %o5
|
||||||
|
fzero ZERO
|
||||||
|
or %o5, %lo(0xf8003e0), %o5
|
||||||
|
fnegd ZERO, SIGN_BIT
|
||||||
|
andn %o4, %o5, %o4
|
||||||
|
movxtod %o2, %f16
|
||||||
|
stx %o4, [%sp + STACK_BIAS + 136]
|
||||||
|
ldx [%sp + STACK_BIAS + 136], %fsr
|
||||||
|
fabsd %f0, %f14
|
||||||
|
fcmpd %fcc3, %f14, %f16
|
||||||
|
fmovduge %fcc3, ZERO, %f16
|
||||||
|
fand %f0, SIGN_BIT, SIGN_BIT
|
||||||
|
for %f16, SIGN_BIT, %f16
|
||||||
|
faddd %f0, %f16, %f6
|
||||||
|
fsubd %f6, %f16, %f0
|
||||||
|
fabsd %f0, %f0
|
||||||
|
for %f0, SIGN_BIT, %f0
|
||||||
|
retl
|
||||||
|
ldx [%sp + STACK_BIAS + 144], %fsr
|
||||||
|
END (__nearbyint_vis3)
|
||||||
12
sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyint.S
Normal file
12
sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyint.S
Normal file
@ -0,0 +1,12 @@
|
|||||||
|
#include <sparc-ifunc.h>
|
||||||
|
|
||||||
|
SPARC_ASM_VIS3_IFUNC(nearbyint)
|
||||||
|
|
||||||
|
weak_alias (__nearbyint, nearbyint)
|
||||||
|
|
||||||
|
# undef weak_alias
|
||||||
|
# define weak_alias(a, b)
|
||||||
|
|
||||||
|
#define __nearbyint __nearbyint_generic
|
||||||
|
|
||||||
|
#include "../s_nearbyint.S"
|
||||||
60
sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyintf-vis3.S
Normal file
60
sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyintf-vis3.S
Normal file
@ -0,0 +1,60 @@
|
|||||||
|
/* Round float to int floating-point values without generating
|
||||||
|
an inexact exception, sparc64 vis3 version.
|
||||||
|
|
||||||
|
Copyright (C) 2013 Free Software Foundation, Inc.
|
||||||
|
This file is part of the GNU C Library.
|
||||||
|
Contributed by David S. Miller <davem@davemloft.net>, 2013.
|
||||||
|
|
||||||
|
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 <sysdep.h>
|
||||||
|
|
||||||
|
/* We pop constants into the FPU registers using the incoming
|
||||||
|
argument stack slots, since this avoid having to use any PIC
|
||||||
|
references. We also thus avoid having to allocate a register
|
||||||
|
window.
|
||||||
|
|
||||||
|
VIS instructions are used to facilitate the formation of
|
||||||
|
easier constants, and the propagation of the sign bit. */
|
||||||
|
|
||||||
|
#define TWO_TWENTYTHREE 0x4b000000 /* 2**23 */
|
||||||
|
|
||||||
|
#define ZERO %f10 /* 0.0 */
|
||||||
|
#define SIGN_BIT %f12 /* -0.0 */
|
||||||
|
|
||||||
|
ENTRY (__nearbyintf_vis3)
|
||||||
|
stx %fsr, [%sp + STACK_BIAS + 144]
|
||||||
|
sethi %hi(0xf8003e0), %o5
|
||||||
|
sethi %hi(TWO_TWENTYTHREE), %o2
|
||||||
|
ldx [%sp + STACK_BIAS + 144], %o4
|
||||||
|
or %o5, %lo(0xf8003e0), %o5
|
||||||
|
fzeros ZERO
|
||||||
|
andn %o4, %o5, %o4
|
||||||
|
fnegs ZERO, SIGN_BIT
|
||||||
|
movwtos %o2, %f16
|
||||||
|
stx %o4, [%sp + STACK_BIAS + 136]
|
||||||
|
ldx [%sp + STACK_BIAS + 136], %fsr
|
||||||
|
fabss %f1, %f14
|
||||||
|
fcmps %fcc3, %f14, %f16
|
||||||
|
fmovsuge %fcc3, ZERO, %f16
|
||||||
|
fands %f1, SIGN_BIT, SIGN_BIT
|
||||||
|
fors %f16, SIGN_BIT, %f16
|
||||||
|
fadds %f1, %f16, %f5
|
||||||
|
fsubs %f5, %f16, %f0
|
||||||
|
fabss %f0, %f0
|
||||||
|
fors %f0, SIGN_BIT, %f0
|
||||||
|
retl
|
||||||
|
ldx [%sp + STACK_BIAS + 144], %fsr
|
||||||
|
END (__nearbyintf_vis3)
|
||||||
12
sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyintf.S
Normal file
12
sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyintf.S
Normal file
@ -0,0 +1,12 @@
|
|||||||
|
#include <sparc-ifunc.h>
|
||||||
|
|
||||||
|
SPARC_ASM_VIS3_IFUNC(nearbyintf)
|
||||||
|
|
||||||
|
weak_alias (__nearbyintf, nearbyintf)
|
||||||
|
|
||||||
|
# undef weak_alias
|
||||||
|
# define weak_alias(a, b)
|
||||||
|
|
||||||
|
#define __nearbyintf __nearbyintf_generic
|
||||||
|
|
||||||
|
#include "../s_nearbyintf.S"
|
||||||
63
sysdeps/sparc/sparc64/fpu/s_nearbyint.S
Normal file
63
sysdeps/sparc/sparc64/fpu/s_nearbyint.S
Normal file
@ -0,0 +1,63 @@
|
|||||||
|
/* Round float to int floating-point values without generating
|
||||||
|
an inexact exception, sparc64 version.
|
||||||
|
|
||||||
|
Copyright (C) 2013 Free Software Foundation, Inc.
|
||||||
|
This file is part of the GNU C Library.
|
||||||
|
Contributed by David S. Miller <davem@davemloft.net>, 2013.
|
||||||
|
|
||||||
|
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 <sysdep.h>
|
||||||
|
|
||||||
|
/* We pop constants into the FPU registers using the incoming
|
||||||
|
argument stack slots, since this avoid having to use any PIC
|
||||||
|
references. We also thus avoid having to allocate a register
|
||||||
|
window.
|
||||||
|
|
||||||
|
VIS instructions are used to facilitate the formation of
|
||||||
|
easier constants, and the propagation of the sign bit. */
|
||||||
|
|
||||||
|
#define TWO_FIFTYTWO 0x43300000 /* 2**52 */
|
||||||
|
|
||||||
|
#define ZERO %f10 /* 0.0 */
|
||||||
|
#define SIGN_BIT %f12 /* -0.0 */
|
||||||
|
|
||||||
|
ENTRY (__nearbyint)
|
||||||
|
stx %fsr, [%sp + STACK_BIAS + 144]
|
||||||
|
sethi %hi(TWO_FIFTYTWO), %o2
|
||||||
|
sllx %o2, 32, %o2
|
||||||
|
ldx [%sp + STACK_BIAS + 144], %o4
|
||||||
|
sethi %hi(0xf8003e0), %o5
|
||||||
|
fzero ZERO
|
||||||
|
or %o5, %lo(0xf8003e0), %o5
|
||||||
|
fnegd ZERO, SIGN_BIT
|
||||||
|
andn %o4, %o5, %o4
|
||||||
|
stx %o2, [%sp + STACK_BIAS + 128]
|
||||||
|
stx %o4, [%sp + STACK_BIAS + 136]
|
||||||
|
ldx [%sp + STACK_BIAS + 136], %fsr
|
||||||
|
fabsd %f0, %f14
|
||||||
|
ldd [%sp + STACK_BIAS + 128], %f16
|
||||||
|
fcmpd %fcc3, %f14, %f16
|
||||||
|
fmovduge %fcc3, ZERO, %f16
|
||||||
|
fand %f0, SIGN_BIT, SIGN_BIT
|
||||||
|
for %f16, SIGN_BIT, %f16
|
||||||
|
faddd %f0, %f16, %f6
|
||||||
|
fsubd %f6, %f16, %f0
|
||||||
|
fabsd %f0, %f0
|
||||||
|
for %f0, SIGN_BIT, %f0
|
||||||
|
retl
|
||||||
|
ldx [%sp + STACK_BIAS + 144], %fsr
|
||||||
|
END (__nearbyint)
|
||||||
|
weak_alias (__nearbyint, nearbyint)
|
||||||
62
sysdeps/sparc/sparc64/fpu/s_nearbyintf.S
Normal file
62
sysdeps/sparc/sparc64/fpu/s_nearbyintf.S
Normal file
@ -0,0 +1,62 @@
|
|||||||
|
/* Round float to int floating-point values without generating
|
||||||
|
an inexact exception, sparc64 version.
|
||||||
|
|
||||||
|
Copyright (C) 2013 Free Software Foundation, Inc.
|
||||||
|
This file is part of the GNU C Library.
|
||||||
|
Contributed by David S. Miller <davem@davemloft.net>, 2013.
|
||||||
|
|
||||||
|
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 <sysdep.h>
|
||||||
|
|
||||||
|
/* We pop constants into the FPU registers using the incoming
|
||||||
|
argument stack slots, since this avoid having to use any PIC
|
||||||
|
references. We also thus avoid having to allocate a register
|
||||||
|
window.
|
||||||
|
|
||||||
|
VIS instructions are used to facilitate the formation of
|
||||||
|
easier constants, and the propagation of the sign bit. */
|
||||||
|
|
||||||
|
#define TWO_TWENTYTHREE 0x4b000000 /* 2**23 */
|
||||||
|
|
||||||
|
#define ZERO %f10 /* 0.0 */
|
||||||
|
#define SIGN_BIT %f12 /* -0.0 */
|
||||||
|
|
||||||
|
ENTRY (__nearbyintf)
|
||||||
|
stx %fsr, [%sp + STACK_BIAS + 144]
|
||||||
|
sethi %hi(0xf8003e0), %o5
|
||||||
|
sethi %hi(TWO_TWENTYTHREE), %o2
|
||||||
|
ldx [%sp + STACK_BIAS + 144], %o4
|
||||||
|
or %o5, %lo(0xf8003e0), %o5
|
||||||
|
fzeros ZERO
|
||||||
|
andn %o4, %o5, %o4
|
||||||
|
fnegs ZERO, SIGN_BIT
|
||||||
|
st %o2, [%sp + STACK_BIAS + 128]
|
||||||
|
stx %o4, [%sp + STACK_BIAS + 136]
|
||||||
|
ldx [%sp + STACK_BIAS + 136], %fsr
|
||||||
|
fabss %f1, %f14
|
||||||
|
ld [%sp + STACK_BIAS + 128], %f16
|
||||||
|
fcmps %fcc3, %f14, %f16
|
||||||
|
fmovsuge %fcc3, ZERO, %f16
|
||||||
|
fands %f1, SIGN_BIT, SIGN_BIT
|
||||||
|
fors %f16, SIGN_BIT, %f16
|
||||||
|
fadds %f1, %f16, %f5
|
||||||
|
fsubs %f5, %f16, %f0
|
||||||
|
fabss %f0, %f0
|
||||||
|
fors %f0, SIGN_BIT, %f0
|
||||||
|
retl
|
||||||
|
ldx [%sp + STACK_BIAS + 144], %fsr
|
||||||
|
END (__nearbyintf)
|
||||||
|
weak_alias (__nearbyintf, nearbyintf)
|
||||||
Reference in New Issue
Block a user