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author | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
commit | a27d2baa0c1a2ec70f47ea9199b1dd6762c8a349 (patch) | |
tree | defd1cc07d16ad2f3b21154114e092d11c94c5bb /libm/ia64 | |
download | bionic-a27d2baa0c1a2ec70f47ea9199b1dd6762c8a349.zip bionic-a27d2baa0c1a2ec70f47ea9199b1dd6762c8a349.tar.gz bionic-a27d2baa0c1a2ec70f47ea9199b1dd6762c8a349.tar.bz2 |
Initial Contributionandroid-1.0
Diffstat (limited to 'libm/ia64')
-rw-r--r-- | libm/ia64/Makefile.inc | 4 | ||||
-rw-r--r-- | libm/ia64/_fpmath.h | 71 | ||||
-rw-r--r-- | libm/ia64/fenv.c | 49 | ||||
-rw-r--r-- | libm/ia64/fenv.h | 242 | ||||
-rw-r--r-- | libm/ia64/s_fma.S | 34 | ||||
-rw-r--r-- | libm/ia64/s_fmaf.S | 34 | ||||
-rw-r--r-- | libm/ia64/s_fmal.S | 34 |
7 files changed, 468 insertions, 0 deletions
diff --git a/libm/ia64/Makefile.inc b/libm/ia64/Makefile.inc new file mode 100644 index 0000000..fdf2267 --- /dev/null +++ b/libm/ia64/Makefile.inc @@ -0,0 +1,4 @@ +# $FreeBSD: src/lib/msun/ia64/Makefile.inc,v 1.2 2005/03/07 04:54:02 das Exp $ + +ARCH_SRCS = s_fma.S s_fmaf.S s_fmal.S +LDBL_PREC = 64 diff --git a/libm/ia64/_fpmath.h b/libm/ia64/_fpmath.h new file mode 100644 index 0000000..b0e75ed --- /dev/null +++ b/libm/ia64/_fpmath.h @@ -0,0 +1,71 @@ +/*- + * Copyright (c) 2003 Mike Barcroft <mike@FreeBSD.org> + * Copyright (c) 2002, 2003 David Schultz <das@FreeBSD.ORG> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/libc/ia64/_fpmath.h,v 1.6 2005/03/07 04:55:40 das Exp $ + */ + +#include <sys/endian.h> + +union IEEEl2bits { + long double e; + struct { +#if _BYTE_ORDER == _LITTLE_ENDIAN + unsigned int manl :32; + unsigned int manh :32; + unsigned int exp :15; + unsigned int sign :1; + unsigned long junk :48; +#else /* _BIG_ENDIAN */ + unsigned long junk :48; + unsigned int sign :1; + unsigned int exp :15; + unsigned int manh :32; + unsigned int manl :32; +#endif + } bits; +}; + +#if _BYTE_ORDER == _LITTLE_ENDIAN +#define LDBL_NBIT 0x80000000 +#define mask_nbit_l(u) ((u).bits.manh &= ~LDBL_NBIT) +#else /* _BIG_ENDIAN */ +/* + * XXX This doesn't look right. Very few machines have a different + * endianness for integers and floating-point, and in nextafterl() + * we assume that none do. If you have an environment for testing + * this, please let me know. --das + */ +#define LDBL_NBIT 0x80 +#define mask_nbit_l(u) ((u).bits.manh &= ~LDBL_NBIT) +#endif + +#define LDBL_MANH_SIZE 32 +#define LDBL_MANL_SIZE 32 + +#define LDBL_TO_ARRAY32(u, a) do { \ + (a)[0] = (uint32_t)(u).bits.manl; \ + (a)[1] = (uint32_t)(u).bits.manh; \ +} while(0) diff --git a/libm/ia64/fenv.c b/libm/ia64/fenv.c new file mode 100644 index 0000000..182d37e --- /dev/null +++ b/libm/ia64/fenv.c @@ -0,0 +1,49 @@ +/*- + * Copyright (c) 2004 David Schultz <das@FreeBSD.ORG> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/msun/ia64/fenv.c,v 1.2 2004/06/11 02:35:30 das Exp $ + */ + +#include <sys/types.h> +#include <fenv.h> + +const fenv_t __fe_dfl_env = 0x0009804c8a70033fULL; + +/* + * It doesn't pay to inline feupdateenv() because it includes one of + * the rare uses of feraiseexcept() where the argument is not a + * constant. Thus, no dead code elimination can occur, resulting in + * significant bloat. + */ +int +feupdateenv(const fenv_t *envp) +{ + fenv_t fpsr; + + __stfpsr(&fpsr); + __ldfpsr(*envp); + feraiseexcept((fpsr >> _FPUSW_SHIFT) & FE_ALL_EXCEPT); + return (0); +} diff --git a/libm/ia64/fenv.h b/libm/ia64/fenv.h new file mode 100644 index 0000000..8c6b65b --- /dev/null +++ b/libm/ia64/fenv.h @@ -0,0 +1,242 @@ +/*- + * Copyright (c) 2004-2005 David Schultz <das@FreeBSD.ORG> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/lib/msun/ia64/fenv.h,v 1.4 2005/03/16 19:03:45 das Exp $ + */ + +#ifndef _FENV_H_ +#define _FENV_H_ + +#include <sys/_types.h> + +typedef __uint64_t fenv_t; +typedef __uint16_t fexcept_t; + +/* Exception flags */ +#define FE_INVALID 0x01 +#define FE_DENORMAL 0x02 +#define FE_DIVBYZERO 0x04 +#define FE_OVERFLOW 0x08 +#define FE_UNDERFLOW 0x10 +#define FE_INEXACT 0x20 +#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_DENORMAL | FE_INEXACT | \ + FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW) + +/* Rounding modes */ +#define FE_TONEAREST 0x0000 +#define FE_DOWNWARD 0x0400 +#define FE_UPWARD 0x0800 +#define FE_TOWARDZERO 0x0c00 +#define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \ + FE_UPWARD | FE_TOWARDZERO) + +__BEGIN_DECLS + +/* Default floating-point environment */ +extern const fenv_t __fe_dfl_env; +#define FE_DFL_ENV (&__fe_dfl_env) + +#define _FPUSW_SHIFT 13 + +#define __stfpsr(__r) __asm __volatile("mov %0=ar.fpsr" : "=r" (*(__r))) +#define __ldfpsr(__r) __asm __volatile("mov ar.fpsr=%0;;" : : "r" (__r)) + +static __inline int +feclearexcept(int __excepts) +{ + fenv_t __fpsr; + + __stfpsr(&__fpsr); + __fpsr &= ~((fenv_t)__excepts << _FPUSW_SHIFT); + __ldfpsr(__fpsr); + return (0); +} + +static __inline int +fegetexceptflag(fexcept_t *__flagp, int __excepts) +{ + fenv_t __fpsr; + + __stfpsr(&__fpsr); + *__flagp = (fexcept_t)(__fpsr >> _FPUSW_SHIFT) & __excepts; + return (0); +} + +static __inline int +fesetexceptflag(const fexcept_t *__flagp, int __excepts) +{ + fenv_t __fpsr; + + __stfpsr(&__fpsr); + __fpsr &= ~((fenv_t)__excepts << _FPUSW_SHIFT); + __fpsr |= (fenv_t)(__excepts & *__flagp) << _FPUSW_SHIFT; + __ldfpsr(__fpsr); + return (0); +} + +/* + * It is worthwhile to use the inline version of this function iff it + * is called with arguments that are compile-time constants (due to + * dead code elimination). Unfortunately, gcc isn't smart enough to + * figure this out automatically, and there's no way to tell it. + * We assume that constant arguments will be the common case. + */ +static __inline int +feraiseexcept(int __excepts) +{ + volatile double d; + + /* + * With a compiler that supports the FENV_ACCESS pragma + * properly, simple expressions like '0.0 / 0.0' should + * be sufficient to generate traps. Unfortunately, we + * need to bring a volatile variable into the equation + * to prevent incorrect optimizations. + */ + if (__excepts & FE_INVALID) { + d = 0.0; + d = 0.0 / d; + } + if (__excepts & FE_DIVBYZERO) { + d = 0.0; + d = 1.0 / d; + } + if (__excepts & FE_OVERFLOW) { + d = 0x1.ffp1023; + d *= 2.0; + } + if (__excepts & FE_UNDERFLOW) { + d = 0x1p-1022; + d /= 0x1p1023; + } + if (__excepts & FE_INEXACT) { + d = 0x1p-1022; + d += 1.0; + } + return (0); +} + +static __inline int +fetestexcept(int __excepts) +{ + fenv_t __fpsr; + + __stfpsr(&__fpsr); + return ((__fpsr >> _FPUSW_SHIFT) & __excepts); +} + + +static __inline int +fegetround(void) +{ + fenv_t __fpsr; + + __stfpsr(&__fpsr); + return (__fpsr & _ROUND_MASK); +} + +static __inline int +fesetround(int __round) +{ + fenv_t __fpsr; + + if (__round & ~_ROUND_MASK) + return (-1); + __stfpsr(&__fpsr); + __fpsr &= ~_ROUND_MASK; + __fpsr |= __round; + __ldfpsr(__fpsr); + return (0); +} + +static __inline int +fegetenv(fenv_t *__envp) +{ + + __stfpsr(__envp); + return (0); +} + +static __inline int +feholdexcept(fenv_t *__envp) +{ + fenv_t __fpsr; + + __stfpsr(&__fpsr); + *__envp = __fpsr; + __fpsr &= ~((fenv_t)FE_ALL_EXCEPT << _FPUSW_SHIFT); + __fpsr |= FE_ALL_EXCEPT; + __ldfpsr(__fpsr); + return (0); +} + +static __inline int +fesetenv(const fenv_t *__envp) +{ + + __ldfpsr(*__envp); + return (0); +} + +int feupdateenv(const fenv_t *__envp); + +#if __BSD_VISIBLE + +static __inline int +feenableexcept(int __mask) +{ + fenv_t __newfpsr, __oldfpsr; + + __stfpsr(&__oldfpsr); + __newfpsr = __oldfpsr & ~(__mask & FE_ALL_EXCEPT); + __ldfpsr(__newfpsr); + return (~__oldfpsr & FE_ALL_EXCEPT); +} + +static __inline int +fedisableexcept(int __mask) +{ + fenv_t __newfpsr, __oldfpsr; + + __stfpsr(&__oldfpsr); + __newfpsr = __oldfpsr | (__mask & FE_ALL_EXCEPT); + __ldfpsr(__newfpsr); + return (~__oldfpsr & FE_ALL_EXCEPT); +} + +static __inline int +fegetexcept(void) +{ + fenv_t __fpsr; + + __stfpsr(&__fpsr); + return (~__fpsr & FE_ALL_EXCEPT); +} + +#endif /* __BSD_VISIBLE */ + +__END_DECLS + +#endif /* !_FENV_H_ */ diff --git a/libm/ia64/s_fma.S b/libm/ia64/s_fma.S new file mode 100644 index 0000000..2da6c17 --- /dev/null +++ b/libm/ia64/s_fma.S @@ -0,0 +1,34 @@ +/*- + * Copyright (c) 2005 David Schultz <das@FreeBSD.ORG> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD: src/lib/msun/ia64/s_fma.S,v 1.1 2005/01/22 09:53:18 das Exp $") + +ENTRY(fma, 3) +{ + fma.d f8 = f8, f9, f10 + br.ret.sptk b0 +} diff --git a/libm/ia64/s_fmaf.S b/libm/ia64/s_fmaf.S new file mode 100644 index 0000000..320051b --- /dev/null +++ b/libm/ia64/s_fmaf.S @@ -0,0 +1,34 @@ +/*- + * Copyright (c) 2005 David Schultz <das@FreeBSD.ORG> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD: src/lib/msun/ia64/s_fmaf.S,v 1.1 2005/01/22 09:53:18 das Exp $") + +ENTRY(fmaf, 3) +{ + fma.s f8 = f8, f9, f10 + br.ret.sptk b0 +} diff --git a/libm/ia64/s_fmal.S b/libm/ia64/s_fmal.S new file mode 100644 index 0000000..7b8c407 --- /dev/null +++ b/libm/ia64/s_fmal.S @@ -0,0 +1,34 @@ +/*- + * Copyright (c) 2005 David Schultz <das@FreeBSD.ORG> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD: src/lib/msun/ia64/s_fmal.S,v 1.1 2005/03/07 04:53:11 das Exp $") + +ENTRY(fmal, 3) +{ + fma f8 = f8, f9, f10 + br.ret.sptk b0 +} |