diff options
Diffstat (limited to 'sysdeps/x86_64/fpu')
| -rw-r--r-- | sysdeps/x86_64/fpu/bits/mathdef.h | 48 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/e_log10l.S | 5 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/e_log2l.S | 5 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/e_logl.S | 12 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/e_powl.S | 19 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/feholdexcpt.c | 3 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/fesetround.c | 3 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/libm-test-ulps | 19 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/math_private.h | 21 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/printf_fphex.c | 4 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/s_log1pl.S | 5 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/s_sincos.S | 61 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/s_sincosl.S | 7 |
13 files changed, 130 insertions, 82 deletions
diff --git a/sysdeps/x86_64/fpu/bits/mathdef.h b/sysdeps/x86_64/fpu/bits/mathdef.h deleted file mode 100644 index 7b16189590..0000000000 --- a/sysdeps/x86_64/fpu/bits/mathdef.h +++ /dev/null @@ -1,48 +0,0 @@ -/* Copyright (C) 2001, 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#if !defined _MATH_H && !defined _COMPLEX_H -# error "Never use <bits/mathdef.h> directly; include <math.h> instead" -#endif - -#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF -# define _MATH_H_MATHDEF 1 - -# include <bits/wordsize.h> - -# if __WORDSIZE == 64 || (defined __FLT_EVAL_METHOD__ && __FLT_EVAL_METHOD__ == 0) -/* The x86-64 architecture computes values with the precission of the - used type. Similarly for -m32 -mfpmath=sse. */ -typedef float float_t; /* `float' expressions are evaluated as `float'. */ -typedef double double_t; /* `double' expressions are evaluated - as `double'. */ -# else -/* The ix87 FPUs evaluate all values in the 80 bit floating-point format - which is also available for the user as `long double'. Therefore we - define: */ -typedef long double float_t; /* `float' expressions are evaluated as - `long double'. */ -typedef long double double_t; /* `double' expressions are evaluated as - `long double'. */ -# endif - -/* The values returned by `ilogb' for 0 and NaN respectively. */ -# define FP_ILOGB0 (-2147483647 - 1) -# define FP_ILOGBNAN (-2147483647 - 1) - -#endif /* ISO C99 */ diff --git a/sysdeps/x86_64/fpu/e_log10l.S b/sysdeps/x86_64/fpu/e_log10l.S index b4343bef45..633234b744 100644 --- a/sysdeps/x86_64/fpu/e_log10l.S +++ b/sysdeps/x86_64/fpu/e_log10l.S @@ -42,7 +42,7 @@ ENTRY(__ieee754_log10l) fxam fnstsw fld %st // x : x : log10(2) - andb $1,%ah + testb $1, %ah jnz 3f // in case x is NaN or ±Inf 4: fsubl MO(one) // x-1 : x : log10(2) fld %st // x-1 : x-1 : x : log10(2) @@ -59,7 +59,8 @@ ENTRY(__ieee754_log10l) fyl2x // log10(x) ret -3: jp 4b // in case x is ±Inf +3: testb $4, %ah + jnz 4b // in case x is ±Inf fstp %st(1) fstp %st(1) ret diff --git a/sysdeps/x86_64/fpu/e_log2l.S b/sysdeps/x86_64/fpu/e_log2l.S index 7a89b94d9f..f04d30a05a 100644 --- a/sysdeps/x86_64/fpu/e_log2l.S +++ b/sysdeps/x86_64/fpu/e_log2l.S @@ -39,7 +39,7 @@ ENTRY(__ieee754_log2l) fxam fnstsw fld %st // x : x : 1 - andb $1,%ah + testb $1, %ah jnz 3f // in case x is NaN or ±Inf 4: fsub %st(2), %st // x-1 : x : 1 fld %st // x-1 : x-1 : x : 1 @@ -56,7 +56,8 @@ ENTRY(__ieee754_log2l) fyl2x // log(x) ret -3: jp 4b // in case x is ±Inf +3: testb $4, %ah + jnz 4b // in case x is ±Inf fstp %st(1) fstp %st(1) ret diff --git a/sysdeps/x86_64/fpu/e_logl.S b/sysdeps/x86_64/fpu/e_logl.S index a0bed663c8..2ba91eedfd 100644 --- a/sysdeps/x86_64/fpu/e_logl.S +++ b/sysdeps/x86_64/fpu/e_logl.S @@ -38,8 +38,12 @@ limit: .double 0.29 ENTRY(__ieee754_logl) fldln2 // log(2) fldt 8(%rsp) // x : log(2) + fxam + fnstsw fld %st // x : x : log(2) - fsubl MO(one) // x-1 : x : log(2) + testb $1, %ah + jnz 3f // in case x is NaN or +-Inf +4: fsubl MO(one) // x-1 : x : log(2) fld %st // x-1 : x-1 : x : log(2) fabs // |x-1| : x-1 : x : log(2) fcompl MO(limit) // x-1 : x : log(2) @@ -53,4 +57,10 @@ ENTRY(__ieee754_logl) 2: fstp %st(0) // x : log(2) fyl2x // log(x) ret + +3: testb $4, %ah + jnz 4b // in case x is +-Inf + fstp %st(1) + fstp %st(1) + ret END (__ieee754_logl) diff --git a/sysdeps/x86_64/fpu/e_powl.S b/sysdeps/x86_64/fpu/e_powl.S index 85f4deb3c7..4959bea7ac 100644 --- a/sysdeps/x86_64/fpu/e_powl.S +++ b/sysdeps/x86_64/fpu/e_powl.S @@ -1,5 +1,6 @@ /* ix87 specific implementation of pow function. - Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004 Free Software Foundation, Inc. + Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004, 2007 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. @@ -146,10 +147,11 @@ ENTRY(__ieee754_powl) 2: /* y is a real number. */ fxch // x : y fldl MO(one) // 1.0 : x : y - fld %st(1) // x : 1.0 : x : y - fsub %st(1) // x-1 : 1.0 : x : y - fabs // |x-1| : 1.0 : x : y - fcompl MO(limit) // 1.0 : x : y + fldl MO(limit) // 0.29 : 1.0 : x : y + fld %st(2) // x : 0.29 : 1.0 : x : y + fsub %st(2) // x-1 : 0.29 : 1.0 : x : y + fabs // |x-1| : 0.29 : 1.0 : x : y + fucompp // 1.0 : x : y fnstsw fxch // x : 1.0 : y test $4500,%eax @@ -190,9 +192,10 @@ ENTRY(__ieee754_powl) // y == ±inf .align ALIGNARG(4) 12: fstp %st(0) // pop y - fldt 8(%rsp) // x - fabs - fcompl MO(one) // < 1, == 1, or > 1 + fldl MO(one) // 1 + fldt 8(%rsp) // x : 1 + fabs // abs(x) : 1 + fucompp // < 1, == 1, or > 1 fnstsw andb $0x45, %ah cmpb $0x45, %ah diff --git a/sysdeps/x86_64/fpu/feholdexcpt.c b/sysdeps/x86_64/fpu/feholdexcpt.c index db53d0f07f..a9b21a3c25 100644 --- a/sysdeps/x86_64/fpu/feholdexcpt.c +++ b/sysdeps/x86_64/fpu/feholdexcpt.c @@ -1,5 +1,5 @@ /* Store current floating-point environment and clear exceptions. - Copyright (C) 2001 Free Software Foundation, Inc. + Copyright (C) 2001, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -39,3 +39,4 @@ feholdexcept (fenv_t *envp) return 0; } +libm_hidden_def (feholdexcept) diff --git a/sysdeps/x86_64/fpu/fesetround.c b/sysdeps/x86_64/fpu/fesetround.c index 429b7f1d0c..408116eee8 100644 --- a/sysdeps/x86_64/fpu/fesetround.c +++ b/sysdeps/x86_64/fpu/fesetround.c @@ -1,5 +1,5 @@ /* Set current rounding direction. - Copyright (C) 2001 Free Software Foundation, Inc. + Copyright (C) 2001, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -44,3 +44,4 @@ fesetround (int round) return 0; } +libm_hidden_def (fesetround) diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps index b3ce8bfeee..0ced4be7b8 100644 --- a/sysdeps/x86_64/fpu/libm-test-ulps +++ b/sysdeps/x86_64/fpu/libm-test-ulps @@ -24,17 +24,14 @@ ldouble: 1 # atan2 Test "atan2 (-0.75, -1.0) == -2.49809154479650885165983415456218025": -float: 3 -ifloat: 3 +float: 1 +ifloat: 1 Test "atan2 (0.75, -1.0) == 2.49809154479650885165983415456218025": -float: 3 -ifloat: 3 +float: 1 +ifloat: 1 Test "atan2 (1.390625, 0.9296875) == 0.981498387184244311516296577615519772": float: 1 ifloat: 1 -Test "atan2 (-0.00756827042671106339, -.001792735857538728036) == -1.80338464113663849327153994379639112": -float: 6 -ifloat: 6 # atanh Test "atanh (0.75) == 0.972955074527656652552676371721589865": @@ -51,14 +48,14 @@ ildouble: 2 ldouble: 2 # cacosh -Test "Real part of: cacosh (-2 - 3 i) == -1.9833870299165354323470769028940395 + 2.1414491111159960199416055713254211 i": +Test "Real part of: cacosh (-2 - 3 i) == 1.9833870299165354323470769028940395 - 2.1414491111159960199416055713254211 i": double: 1 float: 7 idouble: 1 ifloat: 7 ildouble: 6 ldouble: 6 -Test "Imaginary part of: cacosh (-2 - 3 i) == -1.9833870299165354323470769028940395 + 2.1414491111159960199416055713254211 i": +Test "Imaginary part of: cacosh (-2 - 3 i) == 1.9833870299165354323470769028940395 - 2.1414491111159960199416055713254211 i": double: 1 float: 3 idouble: 1 @@ -953,8 +950,8 @@ ildouble: 1 ldouble: 1 Function: "atan2": -float: 6 -ifloat: 6 +float: 1 +ifloat: 1 Function: "atanh": float: 1 diff --git a/sysdeps/x86_64/fpu/math_private.h b/sysdeps/x86_64/fpu/math_private.h new file mode 100644 index 0000000000..4febcbb5ec --- /dev/null +++ b/sysdeps/x86_64/fpu/math_private.h @@ -0,0 +1,21 @@ +#ifndef _MATH_PRIVATE_H + +#define math_opt_barrier(x) \ +({ __typeof(x) __x; \ + if (sizeof (x) <= sizeof (double)) \ + __asm ("" : "=x" (__x) : "0" (x)); \ + else \ + __asm ("" : "=t" (__x) : "0" (x)); \ + __x; }) +#define math_force_eval(x) \ +do \ + { \ + if (sizeof (x) <= sizeof (double)) \ + __asm __volatile ("" : : "x" (x)); \ + else \ + __asm __volatile ("" : : "f" (x)); \ + } \ +while (0) + +#include <math/math_private.h> +#endif diff --git a/sysdeps/x86_64/fpu/printf_fphex.c b/sysdeps/x86_64/fpu/printf_fphex.c index d6ca102a88..b701b20b87 100644 --- a/sysdeps/x86_64/fpu/printf_fphex.c +++ b/sysdeps/x86_64/fpu/printf_fphex.c @@ -1,5 +1,5 @@ /* Print floating point number in hexadecimal notation according to ISO C99. - Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. + Copyright (C) 1997,1998,1999,2000,2001,2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -89,4 +89,4 @@ do { \ } \ } while (0) -#include <sysdeps/generic/printf_fphex.c> +#include <stdio-common/printf_fphex.c> diff --git a/sysdeps/x86_64/fpu/s_log1pl.S b/sysdeps/x86_64/fpu/s_log1pl.S index 7fbd0e5aaa..ac2bd22a4f 100644 --- a/sysdeps/x86_64/fpu/s_log1pl.S +++ b/sysdeps/x86_64/fpu/s_log1pl.S @@ -45,7 +45,7 @@ ENTRY(__log1pl) fxam fnstsw fld %st - andb $1,%ah + testb $1, %ah jnz 3f // in case x is NaN or ±Inf 4: fabs @@ -62,7 +62,8 @@ ENTRY(__log1pl) 2: fyl2xp1 ret -3: jp 4b // in case x is ±Inf +3: testb $4, %ah + jnz 4b // in case x is ±Inf fstp %st(1) fstp %st(1) ret diff --git a/sysdeps/x86_64/fpu/s_sincos.S b/sysdeps/x86_64/fpu/s_sincos.S new file mode 100644 index 0000000000..9a33615340 --- /dev/null +++ b/sysdeps/x86_64/fpu/s_sincos.S @@ -0,0 +1,61 @@ +/* Compute sine and cosine of argument. + Copyright (C) 1997, 2000, 2001, 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <machine/asm.h> +#include "bp-sym.h" +#include "bp-asm.h" + +#define PARMS LINKAGE /* no space for saved regs */ +#define ANGLE PARMS +#define SINP ANGLE+12 +#define COSP SINP+PTR_SIZE + + .text +ENTRY (BP_SYM (__sincos)) + ENTER + + movsd %xmm0, -8(%rsp) + fldl -8(%rsp) + fsincos + fnstsw %ax + testl $0x400,%eax + jnz 1f + fstpl (%rsi) + fstpl (%rdi) + + LEAVE + retq + +1: fldpi + fadd %st(0) + fxch %st(1) +2: fprem1 + fnstsw %ax + testl $0x400,%eax + jnz 2b + fstp %st(1) + fsincos + fstpl (%rsi) + fstpl (%rdi) + + LEAVE + retq +END (BP_SYM (__sincos)) +weak_alias (BP_SYM (__sincos), BP_SYM (sincos)) diff --git a/sysdeps/x86_64/fpu/s_sincosl.S b/sysdeps/x86_64/fpu/s_sincosl.S index 9a3025ab5f..b17eabe767 100644 --- a/sysdeps/x86_64/fpu/s_sincosl.S +++ b/sysdeps/x86_64/fpu/s_sincosl.S @@ -1,5 +1,5 @@ /* Compute sine and cosine of argument. - Copyright (C) 1997, 2000, 2001 Free Software Foundation, Inc. + Copyright (C) 1997, 2000, 2001, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -40,9 +40,8 @@ ENTRY (BP_SYM (__sincosl)) fstpt (%rdi) LEAVE - ret + retq - .align ALIGNARG(4) 1: fldpi fadd %st(0) fxch %st(1) @@ -56,6 +55,6 @@ ENTRY (BP_SYM (__sincosl)) fstpt (%rdi) LEAVE - ret + retq END (BP_SYM (__sincosl)) weak_alias (BP_SYM (__sincosl), BP_SYM (sincosl)) |