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author | Ryan S. Arnold <rsa@us.ibm.com> | 2011-09-12 16:30:23 -0500 |
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committer | Ryan S. Arnold <rsa@us.ibm.com> | 2011-09-12 16:30:23 -0500 |
commit | 84bd767be43a122c34c0a93e0c3be22c54b0f305 (patch) | |
tree | cb8f469bc296f34ee608f9a3aa1fc8b08033aa9c | |
parent | fd5033a97d6a2035beba37bcf6dc8dbea4950934 (diff) | |
download | glibc-84bd767be43a122c34c0a93e0c3be22c54b0f305.tar.gz glibc-84bd767be43a122c34c0a93e0c3be22c54b0f305.tar.xz glibc-84bd767be43a122c34c0a93e0c3be22c54b0f305.zip |
Complete revert of git commit ec11dbe1aabbb45d41f5e9c21e315e2496f3b473
Avoid deadcode and remove regressive optimization for POWER[5|6]. Complete revert of git commit 5939fc0867e1616a537c26d84ca1612b53b0303e Trigonometric optimizations for POWER cpus
-rw-r--r-- | sysdeps/powerpc/fpu/Makefile | 5 | ||||
-rw-r--r-- | sysdeps/powerpc/fpu/e_hypot.c | 86 | ||||
-rw-r--r-- | sysdeps/powerpc/fpu/e_hypotf.c | 86 | ||||
-rw-r--r-- | sysdeps/powerpc/fpu/e_rem_pio2f.c | 431 | ||||
-rw-r--r-- | sysdeps/powerpc/fpu/k_cosf.c | 65 | ||||
-rw-r--r-- | sysdeps/powerpc/fpu/k_sinf.c | 53 | ||||
-rw-r--r-- | sysdeps/powerpc/fpu/s_cosf.c | 71 | ||||
-rw-r--r-- | sysdeps/powerpc/fpu/s_float_bitwise.h | 35 | ||||
-rw-r--r-- | sysdeps/powerpc/fpu/s_scalbnf.c | 135 | ||||
-rw-r--r-- | sysdeps/powerpc/fpu/s_sinf.c | 70 | ||||
-rw-r--r-- | sysdeps/powerpc/powerpc32/fpu/s_float_bitwise.S | 96 | ||||
-rw-r--r-- | sysdeps/powerpc/powerpc32/power7/fpu/s_float_bitwise.S | 149 | ||||
-rw-r--r-- | sysdeps/powerpc/powerpc64/fpu/s_float_bitwise.S | 87 | ||||
-rw-r--r-- | sysdeps/powerpc/powerpc64/power7/fpu/s_float_bitwise.S | 83 |
14 files changed, 0 insertions, 1452 deletions
diff --git a/sysdeps/powerpc/fpu/Makefile b/sysdeps/powerpc/fpu/Makefile index 1c98ca6f82..ffacf1a754 100644 --- a/sysdeps/powerpc/fpu/Makefile +++ b/sysdeps/powerpc/fpu/Makefile @@ -4,11 +4,6 @@ libm-tests += test-powerpc-snan # libm needs ld.so to access dl_hwcap $(objpfx)libm.so: $(elfobjdir)/ld.so - -duplicated-routines = s_float_bitwise - -libm-sysdep_routines += $(duplicated-routines:s_%=m_%) -sysdep_routines += $(duplicated-routines) endif ifeq ($(subdir),stdlib) diff --git a/sysdeps/powerpc/fpu/e_hypot.c b/sysdeps/powerpc/fpu/e_hypot.c deleted file mode 100644 index c09c0c8b46..0000000000 --- a/sysdeps/powerpc/fpu/e_hypot.c +++ /dev/null @@ -1,86 +0,0 @@ -/* Pythagorean addition using doubles - Copyright (C) 2011 Free Software Foundation, Inc. - This file is part of the GNU C Library - Contributed by Adhemerval Zanella <azanella@br.ibm.com>, 2011 - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include "math.h" - -static const double two60 = 1.152921504606847e+18; -static const double two500 = 3.2733906078961419e+150; -static const double two600 = 4.149515568880993e+180; -static const double two1022 = 4.49423283715579e+307; -static const double twoM500 = 3.054936363499605e-151; -static const double twoM600 = 4.616489308892868e-128; -static const double pdnum = 2.225073858507201e-308; - -/* __ieee754_hypot(x,y) - * - * This a FP only version without any FP->INT conversion. - * It is similar to default C version, making appropriates - * overflow and underflows checks as well scaling when it - * is needed. - */ - -double -__ieee754_hypot (double x, double y) -{ - double j; - - if (isinf(x) || isinf(y)) - { - return INFINITY; - } - if (isnan(x) || isnan(y)) - { - return NAN; - } - x = __builtin_fabs (x); - y = __builtin_fabs (y); - if (y > x) - { - j = x; - x = y; - y = j; - } - if (y == 0.0 || (x / y) > two60) - { - return x + y; - } - if (x > two500) - { - x *= twoM600; - y *= twoM600; - return __builtin_sqrt (x * x + y * y) / twoM600; - } - if (y < twoM500) - { - if (y <= pdnum) - { - x *= two1022; - y *= two1022; - return __builtin_sqrt (x * x + y * y) / two1022; - } - else - { - x *= two600; - y *= two600; - return __builtin_sqrt (x * x + y * y) / two600; - } - } - return __builtin_sqrt (x * x + y * y); -} diff --git a/sysdeps/powerpc/fpu/e_hypotf.c b/sysdeps/powerpc/fpu/e_hypotf.c deleted file mode 100644 index 55eb2cb0c8..0000000000 --- a/sysdeps/powerpc/fpu/e_hypotf.c +++ /dev/null @@ -1,86 +0,0 @@ -/* Pythagorean addition using floats - Copyright (C) 2011 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Adhemerval Zanella <azanella@br.ibm.com>, 2011 - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include "math.h" - -/* __ieee754_hypotf(x,y) - * - * This a FP only version without any FP->INT conversion. - * It is similar to default C version, making appropriates - * overflow and underflows checks as well scaling when it - * is needed. - */ - -static const float two30 = 1.0737418e09; -static const float two50 = 1.1259000e15; -static const float two60 = 1.1529221e18; -static const float two126 = 8.5070592e+37; -static const float twoM50 = 8.8817842e-16; -static const float twoM60 = 6.7762644e-21; -static const float pdnum = 1.1754939e-38; - -float -__ieee754_hypotf (float x, float y) -{ - float j; - - if (isinff(x) || isinff(y)) - { - return INFINITY; - } - if (isnanf(x) || isnanf(y)) - { - return NAN; - } - x = __builtin_fabsf (x); - y = __builtin_fabsf (y); - if (y > x) - { - j = x; - x = y; - y = j; - } - if (y == 0.0 || (x / y) > two30) - { - return x + y; - } - if (x > two50) - { - x *= twoM60; - y *= twoM60; - return __builtin_sqrtf (x * x + y * y) / twoM60; - } - if (y < twoM50) - { - if (y <= pdnum) - { - x *= two126; - y *= two126; - return __builtin_sqrtf (x * x + y * y) / two126; - } - else - { - x *= two60; - y *= two60; - return __builtin_sqrtf (x * x + y * y) / two60; - } - } - return __builtin_sqrtf (x * x + y * y); -} diff --git a/sysdeps/powerpc/fpu/e_rem_pio2f.c b/sysdeps/powerpc/fpu/e_rem_pio2f.c deleted file mode 100644 index 5b6e7b60ef..0000000000 --- a/sysdeps/powerpc/fpu/e_rem_pio2f.c +++ /dev/null @@ -1,431 +0,0 @@ -/* e_rem_pio2f.c -- float version of e_rem_pio2.c - Copyright (C) 2011 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Adhemerval Zanella <azanella@br.ibm.com>, 2011 - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include <math.h> -#include <stdint.h> - -#include "s_float_bitwise.h" - -static int32_t __fp_kernel_rem_pio2f (float *, float *, float, int32_t); - -/* __ieee754_rem_pio2f(x,y) - * - * return the remainder of x rem pi/2 in y[0]+y[1] - */ - -static const float two_over_pi[] = { - 1.62000000e+02, 2.49000000e+02, 1.31000000e+02, 1.10000000e+02, - 7.80000000e+01, 6.80000000e+01, 2.10000000e+01, 4.10000000e+01, - 2.52000000e+02, 3.90000000e+01, 8.70000000e+01, 2.09000000e+02, - 2.45000000e+02, 5.20000000e+01, 2.21000000e+02, 1.92000000e+02, - 2.19000000e+02, 9.80000000e+01, 1.49000000e+02, 1.53000000e+02, - 6.00000000e+01, 6.70000000e+01, 1.44000000e+02, 6.50000000e+01, - 2.54000000e+02, 8.10000000e+01, 9.90000000e+01, 1.71000000e+02, - 2.22000000e+02, 1.87000000e+02, 1.97000000e+02, 9.70000000e+01, - 1.83000000e+02, 3.60000000e+01, 1.10000000e+02, 5.80000000e+01, - 6.60000000e+01, 7.70000000e+01, 2.10000000e+02, 2.24000000e+02, - 6.00000000e+00, 7.30000000e+01, 4.60000000e+01, 2.34000000e+02, - 9.00000000e+00, 2.09000000e+02, 1.46000000e+02, 2.80000000e+01, - 2.54000000e+02, 2.90000000e+01, 2.35000000e+02, 2.80000000e+01, - 1.77000000e+02, 4.10000000e+01, 1.67000000e+02, 6.20000000e+01, - 2.32000000e+02, 1.30000000e+02, 5.30000000e+01, 2.45000000e+02, - 4.60000000e+01, 1.87000000e+02, 6.80000000e+01, 1.32000000e+02, - 2.33000000e+02, 1.56000000e+02, 1.12000000e+02, 3.80000000e+01, - 1.80000000e+02, 9.50000000e+01, 1.26000000e+02, 6.50000000e+01, - 5.70000000e+01, 1.45000000e+02, 2.14000000e+02, 5.70000000e+01, - 1.31000000e+02, 8.30000000e+01, 5.70000000e+01, 2.44000000e+02, - 1.56000000e+02, 1.32000000e+02, 9.50000000e+01, 1.39000000e+02, - 1.89000000e+02, 2.49000000e+02, 4.00000000e+01, 5.90000000e+01, - 3.10000000e+01, 2.48000000e+02, 1.51000000e+02, 2.55000000e+02, - 2.22000000e+02, 5.00000000e+00, 1.52000000e+02, 1.50000000e+01, - 2.39000000e+02, 4.70000000e+01, 1.70000000e+01, 1.39000000e+02, - 9.00000000e+01, 1.00000000e+01, 1.09000000e+02, 3.10000000e+01, - 1.09000000e+02, 5.40000000e+01, 1.26000000e+02, 2.07000000e+02, - 3.90000000e+01, 2.03000000e+02, 9.00000000e+00, 1.83000000e+02, - 7.90000000e+01, 7.00000000e+01, 6.30000000e+01, 1.02000000e+02, - 1.58000000e+02, 9.50000000e+01, 2.34000000e+02, 4.50000000e+01, - 1.17000000e+02, 3.90000000e+01, 1.86000000e+02, 1.99000000e+02, - 2.35000000e+02, 2.29000000e+02, 2.41000000e+02, 1.23000000e+02, - 6.10000000e+01, 7.00000000e+00, 5.70000000e+01, 2.47000000e+02, - 1.38000000e+02, 8.20000000e+01, 1.46000000e+02, 2.34000000e+02, - 1.07000000e+02, 2.51000000e+02, 9.50000000e+01, 1.77000000e+02, - 3.10000000e+01, 1.41000000e+02, 9.30000000e+01, 8.00000000e+00, - 8.60000000e+01, 3.00000000e+00, 4.80000000e+01, 7.00000000e+01, - 2.52000000e+02, 1.23000000e+02, 1.07000000e+02, 1.71000000e+02, - 2.40000000e+02, 2.07000000e+02, 1.88000000e+02, 3.20000000e+01, - 1.54000000e+02, 2.44000000e+02, 5.40000000e+01, 2.90000000e+01, - 1.69000000e+02, 2.27000000e+02, 1.45000000e+02, 9.70000000e+01, - 9.40000000e+01, 2.30000000e+02, 2.70000000e+01, 8.00000000e+00, - 1.01000000e+02, 1.53000000e+02, 1.33000000e+02, 9.50000000e+01, - 2.00000000e+01, 1.60000000e+02, 1.04000000e+02, 6.40000000e+01, - 1.41000000e+02, 2.55000000e+02, 2.16000000e+02, 1.28000000e+02, - 7.70000000e+01, 1.15000000e+02, 3.90000000e+01, 4.90000000e+01, - 6.00000000e+00, 6.00000000e+00, 2.10000000e+01, 8.60000000e+01, - 2.02000000e+02, 1.15000000e+02, 1.68000000e+02, 2.01000000e+02, - 9.60000000e+01, 2.26000000e+02, 1.23000000e+02, 1.92000000e+02, - 1.40000000e+02, 1.07000000e+02 -}; - - -static const float npio2_hw[] = { - 1.57077026e+00, 3.14154053e+00, 4.71228027e+00, 6.28308105e+00, - 7.85388184e+00, 9.42456055e+00, 1.09953613e+01, 1.25661621e+01, - 1.41369629e+01, 1.57077637e+01, 1.72783203e+01, 1.88491211e+01, - 2.04199219e+01, 2.19907227e+01, 2.35615234e+01, 2.51323242e+01, - 2.67031250e+01, 2.82739258e+01, 2.98447266e+01, 3.14155273e+01, - 3.29863281e+01, 3.45566406e+01, 3.61279297e+01, 3.76982422e+01, - 3.92695312e+01, 4.08398438e+01, 4.24111328e+01, 4.39814453e+01, - 4.55527344e+01, 4.71230469e+01, 4.86943359e+01, 5.02646484e+01 -}; - -static const float PIo2[] = { - 1.5703125000e+00, /* 0x3fc90000 */ - 4.5776367188e-04, /* 0x39f00000 */ - 2.5987625122e-05, /* 0x37da0000 */ - 7.5437128544e-08, /* 0x33a20000 */ - 6.0026650317e-11, /* 0x2e840000 */ - 7.3896444519e-13, /* 0x2b500000 */ - 5.3845816694e-15, /* 0x27c20000 */ - 5.6378512969e-18, /* 0x22d00000 */ - 8.3009228831e-20, /* 0x1fc40000 */ - 3.2756352257e-22, /* 0x1bc60000 */ - 6.3331015649e-25, /* 0x17440000 */ -}; - -static const float zero = 0.0000000000e+00; -static const float one = 1.0000000000; -static const float two8 = 2.5600000000e+02; -static const float twon8 = 3.9062500000e-03; - -static const float half = 5.0000000000e-01; -static const float invpio2 = 6.3661980629e-01; -static const float pio2_1 = 1.5707855225e+00; -static const float pio2_1t = 1.0804334124e-05; -static const float pio2_2 = 1.0804273188e-05; -static const float pio2_2t = 6.0770999344e-11; -static const float pio2_3 = 6.0770943833e-11; -static const float pio2_3t = 6.1232342629e-17; - -static const float pio4 = 7.8539801e-01; -static const float pio3_4 = 2.3561945e+00; -static const float pio2_24b = 1.5707951e+00; -static const float pio2_2e7 = 2.0106054e+02; - - -int32_t -__ieee754_rem_pio2f (float x, float *y) -{ - float ax, z, n, r, w, t, e0; - float tx[3]; - int32_t i, nx; - - ax = __builtin_fabsf (x); - if (ax <= pio4) - { - y[0] = x; - y[1] = 0; - return 0; - } - if (ax < pio3_4) - { - if (x > 0) - { - z = x - pio2_1; - if (!__float_and_test28 (ax, pio2_24b)) - { - y[0] = z - pio2_1t; - y[1] = (z - y[0]) - pio2_1t; - } - else - { - z -= pio2_2; - y[0] = z - pio2_2t; - y[1] = (z - y[0]) - pio2_2t; - } - return 1; - } - else - { - z = x + pio2_1; - if (!__float_and_test28 (ax, pio2_24b)) - { - y[0] = z + pio2_1t; - y[1] = (z - y[0]) + pio2_1t; - } - else - { - z += pio2_2; - y[0] = z + pio2_2t; - y[1] = (z - y[0]) + pio2_2t; - } - return -1; - } - } - if (ax <= pio2_2e7) - { - n = floorf (ax * invpio2 + half); - i = (int32_t) n; - r = ax - n * pio2_1; - w = n * pio2_1t; /* 1st round good to 40 bit */ - if (i < 32 && !__float_and_test24 (ax, npio2_hw[i - 1])) - { - y[0] = r - w; - } - else - { - float i, j; - j = __float_and8 (ax); - y[0] = r - w; - i = __float_and8 (y[0]); - if (j / i > 256.0 || j / i < 3.9062500e-3) - { /* 2nd iterations needed, good to 57 */ - t = r; - w = n * pio2_2; - r = t - w; - w = n * pio2_2t - ((t - r) - w); - y[0] = r - w; - i = __float_and8 (y[0]); - if (j / i > 33554432 || j / i < 2.9802322e-8) - { /* 3rd iteration needed, 74 bits acc */ - t = r; - w = n * pio2_3; - r = t - w; - w = n * pio2_3t - ((t - r) - w); - y[0] = r - w; - } - } - } - y[1] = (r - y[0]) - w; - if (x < 0) - { - y[0] = -y[0]; - y[1] = -y[1]; - return -i; - } - else - { - return i; - } - } - - /* all other (large) arguments */ - if (isnanf (x) || isinff (x)) - { - y[0] = y[1] = x - x; - return 0; - } - - /* set z = scalbn(|x|,ilogb(x)-7) */ - e0 = __float_and8 (ax / 128.0); - z = ax / e0; - - tx[0] = floorf (z); - z = (z - tx[0]) * two8; - tx[1] = floorf (z); - z = (z - tx[1]) * two8; - tx[2] = floorf (z); - - nx = 3; - while (tx[nx - 1] == zero) - nx--; - - i = __fp_kernel_rem_pio2f (tx, y, e0, nx); - if (x < 0) - { - y[0] = -y[0]; - y[1] = -y[1]; - return -i; - } - return i; -} - -static int32_t -__fp_kernel_rem_pio2f (float *x, float *y, float e0, int32_t nx) -{ - int32_t jz, jx, jv, jp, jk, carry, n, iq[20], i, j, k, m, q0, ih, exp; - float z, fw, f[20], fq[20], q[20]; - - /* initialize jk */ - jp = jk = 9; - - /* determine jx,jv,q0, note that 3>q0 */ - jx = nx - 1; - exp = __float_get_exp (e0) - 127; - jv = (exp - 3) / 8; - if (jv < 0) - jv = 0; - q0 = exp - 8 * (jv + 1); - - /* set up f[0] to f[jx+jk] where f[jx+jk] = two_over_pi[jv+jk] */ - j = jv - jx; - m = jx + jk; - for (i = 0; i <= m; i++, j++) - f[i] = (j < 0) ? zero : two_over_pi[j]; - - /* compute q[0],q[1],...q[jk] */ - for (i = 0; i <= jk; i++) - { - for (j = 0, fw = 0.0; j <= jx; j++) - fw += x[j] * f[jx + i - j]; - q[i] = fw; - } - - jz = jk; -recompute: - /* distill q[] into iq[] reversingly */ - for (i = 0, j = jz, z = q[jz]; j > 0; i++, j--) - { - fw = truncf (twon8 * z); - iq[i] = (int32_t) (z - two8 * fw); - z = q[j - 1] + fw; - } - - /* compute n */ - z = __scalbnf (z, q0); /* actual value of z */ - z -= 8.0 * floorf (z * 0.125); /* trim off integer >= 8 */ - n = (int32_t) z; - z -= truncf (z); - ih = 0; - if (q0 > 0) - { /* need iq[jz-1] to determine n */ - i = (iq[jz - 1] >> (8 - q0)); - n += i; - iq[jz - 1] -= i << (8 - q0); - ih = iq[jz - 1] >> (7 - q0); - } - else if (q0 == 0) - ih = iq[jz - 1] >> 8; - else if (z >= 0.5) - ih = 2; - - if (ih > 0) - { /* q > 0.5 */ - n += 1; - carry = 0; - for (i = 0; i < jz; i++) - { /* compute 1-q */ - j = iq[i]; - if (carry == 0) - { - if (j != 0) - { - carry = 1; - iq[i] = 0x100 - j; - } - } - else - iq[i] = 0xff - j; - } - if (q0 > 0) - { /* rare case: chance is 1 in 12 */ - switch (q0) - { - case 1: - iq[jz - 1] &= 0x7f; - break; - case 2: - iq[jz - 1] &= 0x3f; - break; - } - } - if (ih == 2) - { - z = one - z; - if (carry != 0) - z -= __scalbnf (one, q0); - } - } - - /* check if recomputation is needed */ - if (z == zero) - { - j = 0; - for (i = jz - 1; i >= jk; i--) - j |= iq[i]; - if (j == 0) - { /* need recomputation */ - for (k = 1; iq[jk - k] == 0; k++); /* k = no. of terms needed */ - - for (i = jz + 1; i <= jz + k; i++) - { /* add q[jz+1] to q[jz+k] */ - f[jx + i] = two_over_pi[jv + i]; - for (j = 0, fw = 0.0; j <= jx; j++) - fw += x[j] * f[jx + i - j]; - q[i] = fw; - } - jz += k; - goto recompute; - } - } - - /* chop off zero terms */ - if (z == 0.0) - { - jz -= 1; - q0 -= 8; - while (iq[jz] == 0) - { - jz--; - q0 -= 8; - } - } - else - { /* break z into 8-bit if necessary */ - z = __scalbnf (z, -q0); - if (z >= two8) - { - fw = truncf (twon8 * z); - iq[jz] = (int32_t) (z - two8 * fw); - jz += 1; - q0 += 8; - iq[jz] = (int32_t) fw; - } - else - iq[jz] = (int32_t) z; - } - - /* convert integer "bit" chunk to floating-point value */ - fw = __scalbnf (one, q0); - for (i = jz; i >= 0; i--) - { - q[i] = fw * (float) iq[i]; - fw *= twon8; - } - - /* compute PIo2[0,...,jp]*q[jz,...,0] */ - for (i = jz; i >= 0; i--) - { - for (fw = 0.0, k = 0; k <= jp && k <= jz - i; k++) - fw += PIo2[k] * q[i + k]; - fq[jz - i] = fw; - } - - /* compress fq[] into y[] */ - fw = 0.0; - for (i = jz; i >= 0; i--) - fw += fq[i]; - y[0] = (ih == 0) ? fw : -fw; - fw = fq[0] - fw; - for (i = 1; i <= jz; i++) - fw += fq[i]; - y[1] = (ih == 0) ? fw : -fw; - - return n & 7; -} diff --git a/sysdeps/powerpc/fpu/k_cosf.c b/sysdeps/powerpc/fpu/k_cosf.c deleted file mode 100644 index cb0e34e398..0000000000 --- a/sysdeps/powerpc/fpu/k_cosf.c +++ /dev/null @@ -1,65 +0,0 @@ -/* k_cosf.c -- float version of k_cos.c - Copyright (C) 2011 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Adhemerval Zanella <azanella@br.ibm.com>, 2011 - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include "math.h" -#include "math_private.h" - -static const float twom27 = 7.4505806e-09; -static const float dot3 = 3.0000001e-01; -static const float dot78125 = 7.8125000e-01; - -static const float one = 1.0000000000e+00; -static const float C1 = 4.1666667908e-02; -static const float C2 = -1.3888889225e-03; -static const float C3 = 2.4801587642e-05; -static const float C4 = -2.7557314297e-07; -static const float C5 = 2.0875723372e-09; -static const float C6 = -1.1359647598e-11; - -float -__kernel_cosf (float x, float y) -{ - float a, hz, z, r, qx; - float ix; - ix = __builtin_fabsf (x); - if (ix < twom27) - { /* |x| < 2**-27 */ - if (x == 0.0) - return one; - } - z = x * x; - r = z * (C1 + z * (C2 + z * (C3 + z * (C4 + z * (C5 + z * C6))))); - if (ix < dot3) /* if |x| < 0.3 */ - return one - ((float) 0.5 * z - (z * r - x * y)); - else - { - if (ix > dot78125) - { /* x > 0.78125 */ - qx = (float) 0.28125; - } - else - { - qx = ix / 4.0; - } - hz = (float) 0.5 *z - qx; - a = one - qx; - return a - (hz - (z * r - x * y)); - } -} diff --git a/sysdeps/powerpc/fpu/k_sinf.c b/sysdeps/powerpc/fpu/k_sinf.c deleted file mode 100644 index f93a478712..0000000000 --- a/sysdeps/powerpc/fpu/k_sinf.c +++ /dev/null @@ -1,53 +0,0 @@ -/* k_sinf.c -- float version of k_sin.c - Copyright (C) 2011 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Adhemerval Zanella <azanella@br.ibm.com>, 2011 - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include "math.h" -#include "math_private.h" - - -static const float twom27 = 7.4505806000e-09; -static const float half = 5.0000000000e-01; -static const float S1 = -1.6666667163e-01; -static const float S2 = 8.3333337680e-03; -static const float S3 = -1.9841270114e-04; -static const float S4 = 2.7557314297e-06; -static const float S5 = -2.5050759689e-08; -static const float S6 = 1.5896910177e-10; - - -float -__kernel_sinf (float x, float y, int iy) -{ - float z, r, v; - float ix; - ix = __builtin_fabsf (x); - if (ix < twom27) - { /* |x| < 2**-27 */ - if (x == 0.0) - return x; - } - z = x * x; - v = z * x; - r = S2 + z * (S3 + z * (S4 + z * (S5 + z * S6))); - if (iy == 0) - return x + v * (S1 + z * r); - else - return x - ((z * (half * y - v * r) - y) - v * S1); -} diff --git a/sysdeps/powerpc/fpu/s_cosf.c b/sysdeps/powerpc/fpu/s_cosf.c deleted file mode 100644 index 8b8778a4a8..0000000000 --- a/sysdeps/powerpc/fpu/s_cosf.c +++ /dev/null @@ -1,71 +0,0 @@ -/* s_cosf.c -- float version of s_cos.c. - Copyright (C) 2011 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Adhemerval Zanella <azanella@br.ibm.com>, 2011 - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include <errno.h> -#include "math.h" -#include "math_private.h" - -static const float one = 1.0; -static const float pio4 = 7.8539801e-1; - -float -__cosf (float x) -{ - float y[2], z = 0.0; - float ix; - int32_t n; - - ix = __builtin_fabsf (x); - - /* |x| ~< pi/4 */ - if (ix <= pio4) - { - return __kernel_cosf (x, z); - /* cos(Inf or NaN) is NaN */ - } - else if (isnanf (ix)) - { - return x - x; - } - else if (isinff (ix)) - { - __set_errno (EDOM); - return x - x; - } - - /* argument reduction needed */ - else - { - n = __ieee754_rem_pio2f (x, y); - switch (n & 3) - { - case 0: - return __kernel_cosf (y[0], y[1]); - case 1: - return -__kernel_sinf (y[0], y[1], 1); - case 2: - return -__kernel_cosf (y[0], y[1]); - default: - return __kernel_sinf (y[0], y[1], 1); - } - } -} - -weak_alias (__cosf, cosf) diff --git a/sysdeps/powerpc/fpu/s_float_bitwise.h b/sysdeps/powerpc/fpu/s_float_bitwise.h deleted file mode 100644 index 25892eea33..0000000000 --- a/sysdeps/powerpc/fpu/s_float_bitwise.h +++ /dev/null @@ -1,35 +0,0 @@ -/* Bitwise manipulation over float. Function prototypes. - Copyright (C) 2011 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Adhemerval Zanella <azanella@br.ibm.com>, 2011 - - 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. */ - -#ifndef _FLOAT_BITWISE_ -#define _FLOAT_BITWISE_ 1 - -/* Returns (num & 0x7FFFFFF0 == value) */ -int __float_and_test28 (float num, float value); -/* Returns (num & 0x7FFFFF00 == value) */ -int __float_and_test24 (float num, float value); -/* Returns (num & 0x7F800000) */ -float __float_and8 (float num); -/* Returns ((int32_t)(num & 0x7F800000) >> 23) */ -int32_t __float_get_exp (float num); -/* Returns ((num & 0x807FFFFF) | exp) */ -float __float_set_exp (float num, float exp); - -#endif /* s_float_bitwise.h */ diff --git a/sysdeps/powerpc/fpu/s_scalbnf.c b/sysdeps/powerpc/fpu/s_scalbnf.c deleted file mode 100644 index b49dd07b88..0000000000 --- a/sysdeps/powerpc/fpu/s_scalbnf.c +++ /dev/null @@ -1,135 +0,0 @@ -/* s_scalbnf.c -- float version of s_scalbn.c. - Copyright (C) 2011 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Adhemerval Zanella <azanella@br.ibm.com>, 2011 - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include "math.h" -#include "math_private.h" - -#include "s_float_bitwise.h" - -static const float huge = 1.0e+30; -static const float tiny = 1.0e-30; -static const float two25 = 3.35544320e+07; -static const float twom25 = 2.98023224e-08; - -/* (float)(i << 23), 0<=i<255 - [ 2**0, 2**-126, ... , 2**127 ] */ -static const float pow2[] = { - 0.00000000e+00, 1.17549435e-38, 2.35098870e-38, 4.70197740e-38, - 9.40395481e-38, 1.88079096e-37, 3.76158192e-37, 7.52316385e-37, - 1.50463277e-36, 3.00926554e-36, 6.01853108e-36, 1.20370622e-35, - 2.40741243e-35, 4.81482486e-35, 9.62964972e-35, 1.92592994e-34, - 3.85185989e-34, 7.70371978e-34, 1.54074396e-33, 3.08148791e-33, - 6.16297582e-33, 1.23259516e-32, 2.46519033e-32, 4.93038066e-32, - 9.86076132e-32, 1.97215226e-31, 3.94430453e-31, 7.88860905e-31, - 1.57772181e-30, 3.15544362e-30, 6.31088724e-30, 1.26217745e-29, - 2.52435490e-29, 5.04870979e-29, 1.00974196e-28, 2.01948392e-28, - 4.03896783e-28, 8.07793567e-28, 1.61558713e-27, 3.23117427e-27, - 6.46234854e-27, 1.29246971e-26, 2.58493941e-26, 5.16987883e-26, - 1.03397577e-25, 2.06795153e-25, 4.13590306e-25, 8.27180613e-25, - 1.65436123e-24, 3.30872245e-24, 6.61744490e-24, 1.32348898e-23, - 2.64697796e-23, 5.29395592e-23, 1.05879118e-22, 2.11758237e-22, - 4.23516474e-22, 8.47032947e-22, 1.69406589e-21, 3.38813179e-21, - 6.77626358e-21, 1.35525272e-20, 2.71050543e-20, 5.42101086e-20, - 1.08420217e-19, 2.16840434e-19, 4.33680869e-19, 8.67361738e-19, - 1.73472348e-18, 3.46944695e-18, 6.93889390e-18, 1.38777878e-17, - 2.77555756e-17, 5.55111512e-17, 1.11022302e-16, 2.22044605e-16, - 4.44089210e-16, 8.88178420e-16, 1.77635684e-15, 3.55271368e-15, - 7.10542736e-15, 1.42108547e-14, 2.84217094e-14, 5.68434189e-14, - 1.13686838e-13, 2.27373675e-13, 4.54747351e-13, 9.09494702e-13, - 1.81898940e-12, 3.63797881e-12, 7.27595761e-12, 1.45519152e-11, - 2.91038305e-11, 5.82076609e-11, 1.16415322e-10, 2.32830644e-10, - 4.65661287e-10, 9.31322575e-10, 1.86264515e-09, 3.72529030e-09, - 7.45058060e-09, 1.49011612e-08, 2.98023224e-08, 5.96046448e-08, - 1.19209290e-07, 2.38418579e-07, 4.76837158e-07, 9.53674316e-07, - 1.90734863e-06, 3.81469727e-06, 7.62939453e-06, 1.52587891e-05, - 3.05175781e-05, 6.10351562e-05, 1.22070312e-04, 2.44140625e-04, - 4.88281250e-04, 9.76562500e-04, 1.95312500e-03, 3.90625000e-03, - 7.81250000e-03, 1.56250000e-02, 3.12500000e-02, 6.25000000e-02, - 1.25000000e-01, 2.50000000e-01, 5.00000000e-01, 1.00000000e+00, - 2.00000000e+00, 4.00000000e+00, 8.00000000e+00, 1.60000000e+01, - 3.20000000e+01, 6.40000000e+01, 1.28000000e+02, 2.56000000e+02, - 5.12000000e+02, 1.02400000e+03, 2.04800000e+03, 4.09600000e+03, - 8.19200000e+03, 1.63840000e+04, 3.27680000e+04, 6.55360000e+04, - 1.31072000e+05, 2.62144000e+05, 5.24288000e+05, 1.04857600e+06, - 2.09715200e+06, 4.19430400e+06, 8.38860800e+06, 1.67772160e+07, - 3.35544320e+07, 6.71088640e+07, 1.34217728e+08, 2.68435456e+08, - 5.36870912e+08, 1.07374182e+09, 2.14748365e+09, 4.29496730e+09, - 8.58993459e+09, 1.71798692e+10, 3.43597384e+10, 6.87194767e+10, - 1.37438953e+11, 2.74877907e+11, 5.49755814e+11, 1.09951163e+12, - 2.19902326e+12, 4.39804651e+12, 8.79609302e+12, 1.75921860e+13, - 3.51843721e+13, 7.03687442e+13, 1.40737488e+14, 2.81474977e+14, - 5.62949953e+14, 1.12589991e+15, 2.25179981e+15, 4.50359963e+15, - 9.00719925e+15, 1.80143985e+16, 3.60287970e+16, 7.20575940e+16, - 1.44115188e+17, 2.88230376e+17, 5.76460752e+17, 1.15292150e+18, - 2.30584301e+18, 4.61168602e+18, 9.22337204e+18, 1.84467441e+19, - 3.68934881e+19, 7.37869763e+19, 1.47573953e+20, 2.95147905e+20, - 5.90295810e+20, 1.18059162e+21, 2.36118324e+21, 4.72236648e+21, - 9.44473297e+21, 1.88894659e+22, 3.77789319e+22, 7.55578637e+22, - 1.51115727e+23, 3.02231455e+23, 6.04462910e+23, 1.20892582e+24, - 2.41785164e+24, 4.83570328e+24, 9.67140656e+24, 1.93428131e+25, - 3.86856262e+25, 7.73712525e+25, 1.54742505e+26, 3.09485010e+26, - 6.18970020e+26, 1.23794004e+27, 2.47588008e+27, 4.95176016e+27, - 9.90352031e+27, 1.98070406e+28, 3.96140813e+28, 7.92281625e+28, - 1.58456325e+29, 3.16912650e+29, 6.33825300e+29, 1.26765060e+30, - 2.53530120e+30, 5.07060240e+30, 1.01412048e+31, 2.02824096e+31, - 4.05648192e+31, 8.11296384e+31, 1.62259277e+32, 3.24518554e+32, - 6.49037107e+32, 1.29807421e+33, 2.59614843e+33, 5.19229686e+33, - 1.03845937e+34, 2.07691874e+34, 4.15383749e+34, 8.30767497e+34, - 1.66153499e+35, 3.32306999e+35, 6.64613998e+35, 1.32922800e+36, - 2.65845599e+36, 5.31691198e+36, 1.06338240e+37, 2.12676479e+37, - 4.25352959e+37, 8.50705917e+37, 1.70141183e+38, -}; - - -float -__scalbnf (float x, int n) -{ - float k; - int32_t ke; - - k = __float_and8 (x); - if (k == 0.0) - { - if (x == 0.0) - return x; - x *= two25; - k = __float_and8 (x) / two25; - } - if (isnanf (k) || isinff (k)) - return x + x; - ke = __float_get_exp (k) + n; - if (n > 50000 || ke > 0xfe) - return huge * __copysignf (huge, x); - if (n < -50000) - return tiny * __copysignf (tiny, x); - /* ke <= 254 */ - if (ke > 0) - { - x = __float_set_exp (x, pow2[ke]); - return x; - } - if (ke <= -25) - return tiny * __copysignf (tiny, x); - /* 0 <= ke <= 254 */ - k *= two25; - ke += 25; - x = __float_set_exp (x, pow2[ke]); - return x * twom25; -} -weak_alias (__scalbnf, scalbnf) diff --git a/sysdeps/powerpc/fpu/s_sinf.c b/sysdeps/powerpc/fpu/s_sinf.c deleted file mode 100644 index dd724aaa81..0000000000 --- a/sysdeps/powerpc/fpu/s_sinf.c +++ /dev/null @@ -1,70 +0,0 @@ -/* s_sinf.c -- float version of s_sin.c. - Copyright (C) 2011 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Adhemerval Zanella <azanella@br.ibm.com>, 2011 - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include <errno.h> -#include "math.h" -#include "math_private.h" - -static const float pio4 = 7.8539801e-1; - -float -__sinf (float x) -{ - float y[2], z = 0.0; - float ix; - int32_t n; - - ix = __builtin_fabsf (x); - - /* |x| ~< pi/4 */ - if (ix <= pio4) - { - return __kernel_sinf (x, z, 0); - /* sin(Inf or NaN) is NaN */ - } - else if (isnanf (ix)) - { - return x - x; - } - else if (isinff (ix)) - { - __set_errno (EDOM); - return x - x; - } - - /* argument reduction needed */ - else - { - n = __ieee754_rem_pio2f (x, y); - switch (n & 3) - { - case 0: - return __kernel_sinf (y[0], y[1], 1); - case 1: - return __kernel_cosf (y[0], y[1]); - case 2: - return -__kernel_sinf (y[0], y[1], 1); - default: - return -__kernel_cosf (y[0], y[1]); - } - } -} - -weak_alias (__sinf, sinf) diff --git a/sysdeps/powerpc/powerpc32/fpu/s_float_bitwise.S b/sysdeps/powerpc/powerpc32/fpu/s_float_bitwise.S deleted file mode 100644 index 2a7b64eee2..0000000000 --- a/sysdeps/powerpc/powerpc32/fpu/s_float_bitwise.S +++ /dev/null @@ -1,96 +0,0 @@ -/* Bitwise manipulation over float. PowerPC32 version. - Copyright (C) 2011 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Adhemerval Zanella <azanella@br.ibm.com>, 2011 - - 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 <sysdep.h> - -/* int [r3] __float_and_test28(float [f1] num, float [f2] value) - Returns (num & 0xFFFFFFF0 == value) */ -ENTRY(__float_and_test28) - stwu r1,-32(r1) - cfi_adjust_cfa_offset(32) - stfs fp1,16(r1) - stfs fp2,8(r1) - lwz r0,16(r1) - rlwinm r3,r0,0,0,27 - lwz r0,8(r1) - xor r3,r3,r0 - cntlzw r3,r3 - srwi r3,r3,5 - extsw r3,r3 - addi r1,r1,32 - blr -END(__float_and_test28) - -/* int [r3] __float_and_test24(float [f1] num, float [f2] value) - Returns (num & 0xFFFFFF00 == value) */ -ENTRY(__float_and_test24) - stwu r1,-32(r1) - cfi_adjust_cfa_offset(32) - stfs fp1,16(r1) - stfs fp2,8(r1) - lwz r0,16(r1) - rlwinm r3,r0,0,0,23 - lwz r0,8(r1) - xor r3,r3,r0 - cntlzw r3,r3 - srwi r3,r3,5 - extsw r3,r3 - addi r1,r1,32 - blr -END(__float_and_test24) - -/* float [f1] __float_and8(float [f1] num) - Returns (num & 0x7F800000) */ -ENTRY(__float_and8) - stfs fp1,-16(r1) - lwz r0,-16(r1) - rlwinm r0,r0,0,1,8 - stw r0,-16(r1) - lfs fp1,-16(r1) - blr -END(__float_and8) - -/* int32_t [r2] __float_get_exp(float [f1] num) - Returns ((int32_t)(num & 0x7F800000) >> 23) */ -ENTRY(__float_get_exp) - stfs fp1,-16(r1) - lwz r0,-16(r1) - rlwinm r3,r0,0,1,8 - rldicl r3,r3,41,56 - blr -END(__float_get_exp) - -/* float [fp1] __float_set_exp(float [fp1] num, float [fp2] exp) - Returns ((num & 0x807FFFFF) | exp) */ -ENTRY(__float_set_exp) - stwu r1,-32(r1) - cfi_adjust_cfa_offset(32) - stfs fp1,16(r1) - stfs fp2,8(r1) - lwz r9,16(r1) - rlwinm r0,r9,1,8,31 - rlwinm r0,r0,31,0xffffffff - lwz r9,8(r1) - or r9,r0,r9 - stw r9,16(r1) - lfs fp1,16(r1) - addi r1,r1,32 - blr -END(__float_set_exp) diff --git a/sysdeps/powerpc/powerpc32/power7/fpu/s_float_bitwise.S b/sysdeps/powerpc/powerpc32/power7/fpu/s_float_bitwise.S deleted file mode 100644 index 02644d99d0..0000000000 --- a/sysdeps/powerpc/powerpc32/power7/fpu/s_float_bitwise.S +++ /dev/null @@ -1,149 +0,0 @@ -/* Bitwise manipulation over float. PowerPC32 version using VSX. - Copyright (C) 2011 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Adhemerval Zanella <azanella@br.ibm.com>, 2011 - - 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 a4byte with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 1 Franklin Street, Fifth Floor, Boston MA - 02110-1301 USA. */ - -#include <sysdep.h> - - .section .rodata.cst4,"aM",@progbits,8 - .align 2 -.LC0: /* 28-bits mask extended to double */ - .4byte 0x7ffffffe - .4byte 0x00000000 -.LC1: /* 24-bits mask extended to double */ - .4byte 0x7fffffe0 - .4byte 0x00000000 -.LC2: /* 9-bits mask extended to double */ - .4byte 0x7ff00000 - .4byte 0x00000000 -.LC3: /* mask used to get the float exp */ - .4byte 0x800FFFFF - .4byte 0xFFFFFFFF - - .section ".text" - .machine power7 -/* int [r3] __float_and_test28(float [f1] num, float [f2] value) - Returns (num & 0x7FFFFFF0 == value) */ -ENTRY(__float_and_test28) -#ifdef SHARED - mflr r11 - cfi_register(lr,r11) - bcl 20,31,1f -1: mflr r9 - addis r9,r9,.LC0-1b@ha - lfd fp3,.LC0-1b@l(r9) - mtlr r11 - cfi_same_value (lr) -#else - lis r9,.LC0@ha - lfd fp3,.LC0@l(r9) -#endif - xxland v4,v1,v3 - fcmpu cr7,fp4,fp2 - mfcr r3,cr1 - rlwinm r3,r3,31,1 - blr -END(__float_and_test28) - -/* int [r3] __float_and_test24(float [f1] num, float [f2] value) - Returns (num & 0x7FFFFF00 == value) */ -ENTRY(__float_and_test24) -#ifdef SHARED - mflr r11 - cfi_register(lr,r11) - bcl 20,31,1f -1: mflr r9 - addis r9,r9,.LC1-1b@ha - lfd fp3,.LC1-1b@l(r9) - mtlr r11 - cfi_same_value (lr) -#else - lis r9,.LC1@ha - lfd fp3,.LC1@l(r9) -#endif - xxland v4,v1,v3 - fcmpu cr7,fp4,fp2 - mfcr r3,cr1 - rlwinm r3,r3,31,1 - blr -END(__float_and_test24) - -/* float [f1] __float_and8(float [f1] num) - Returns (num & 0x7F800000) */ -EALIGN(__float_and8, 4, 1) -#ifdef SHARED - mflr r11 - cfi_register(lr,r11) - bcl 20,31,1f -1: mflr r9 - addis r9,r9,.LC2-1b@ha - lfd fp3,.LC2-1b@l(r9) - mtlr r11 - cfi_same_value (lr) -#else - lis r9,.LC2@ha - lfd fp3,.LC2@l(r9) -#endif - xxland v1,v1,v3 - blr -END(__float_and8) - -/* int32_t [r2] __float_get_exp(float [f1] num - Returns ((int32_t)(num & 0x7F800000) >> 23) */ -ENTRY(__float_get_exp) -#ifdef SHARED - mflr r11 - cfi_register(lr,r11) - bcl 20,31,1f -1: mflr r9 - addis r9,r9,.LC2-1b@ha - lfd fp3,.LC2-1b@l(r9) - mtlr r11 - cfi_same_value (lr) -#else - lis r9,.LC2@ha - lfd fp3,.LC2@l(r9) -#endif - xxland v4,v1,v3 - stfs fp4,-16(r1) - lwz r3,-16(r1) - srawi r3,r3,23 - clrldi r3,r3,32 - blr -END(__float_get_exp) - -/* float [fp1] __float_set_exp(float [fp1] num, float [fp2] exp) - Returns ((num & 0x807FFFFF) | exp) */ -EALIGN(__float_set_exp, 4, 1) -#ifdef SHARED - mflr r11 - cfi_register(lr,r11) - bcl 20,31,1f -1: mflr r9 - addis r9,r9,.LC3-1b@ha - lfd fp3,.LC3-1b@l(r9) - mtlr r11 - cfi_same_value (lr) -#else - lis r9,.LC3@ha - lfd fp3,.LC3@l(r9) -#endif - xxland v4,v1,v3 - xxlor v1,v4,v2 - blr -END(__float_set_exp) diff --git a/sysdeps/powerpc/powerpc64/fpu/s_float_bitwise.S b/sysdeps/powerpc/powerpc64/fpu/s_float_bitwise.S deleted file mode 100644 index 6cea572c0d..0000000000 --- a/sysdeps/powerpc/powerpc64/fpu/s_float_bitwise.S +++ /dev/null @@ -1,87 +0,0 @@ -/* Bitwise manipulation over float. PowerPC64 version using VSX. - Copyright (C) 2011 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Adhemerval Zanella <azanella@br.ibm.com>, 2011 - - 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 <sysdep.h> - -/* int [r3] __float_and_test28(float [f1] num, float [f2] value) - Returns (num & 0x7FFFFFF0 == value) */ -ENTRY(__float_and_test28) - stfs fp1,-32(r1) - stfs fp2,-16(r1) - lwz r0,-32(r1) - rlwinm r3,r0,0,0,27 - lwz r0,-16(r1) - xor r3,r3,r0 - cntlzw r3,r3 - srwi r3,r3,5 - extsw r3,r3 - blr -END(__float_and_test28) - -/* int [r3] __float_and_test24(float [f1] num, float [f2] value) - Returns (num & 0x7FFFFF00 == value) */ -ENTRY(__float_and_test24) - stfs fp1,-32(r1) - stfs fp2,-16(r1) - lwz r0,-32(r1) - rlwinm r3,r0,0,0,23 - lwz r0,-16(r1) - xor r3,r3,r0 - cntlzw r3,r3 - srwi r3,r3,5 - extsw r3,r3 - blr -END(__float_and_test24) - -/* float [f1] __float_and8(float [f1] num) - Returns (num & 0x7F800000) */ -ENTRY(__float_and8) - stfs fp1,-16(r1) - lwz r0,-16(r1) - rlwinm r0,r0,0,1,8 - stw r0,-16(r1) - lfs fp1,-16(r1) - blr -END(__float_and8) - -/* int32_t [r2] __float_get_exp(float [f1] num) - Returns ((int32_t)(num & 0x7F800000) >> 23) */ -ENTRY(__float_get_exp) - stfs fp1,-16(r1) - lwz r0,-16(r1) - rlwinm r3,r0,0,1,8 - rldicl r3,r3,41,56 - blr -END(__float_get_exp) - -/* float [fp1] __float_set_exp(float [fp1] num, float [fp2] exp) - Returns ((num & 0x807FFFFF) | exp) */ -ENTRY(__float_set_exp) - stfs fp1,-32(r1) - stfs fp2,-16(r1) - lwz r9,-32(r1) - rlwinm r0,r9,1,8,31 - rlwinm r0,r0,31,0xffffffff - lwz r9,-16(r1) - or r9,r0,r9 - stw r9,-16(r1) - lfs fp1,-16(r1) - blr -END(__float_set_exp) diff --git a/sysdeps/powerpc/powerpc64/power7/fpu/s_float_bitwise.S b/sysdeps/powerpc/powerpc64/power7/fpu/s_float_bitwise.S deleted file mode 100644 index fb3e9f7b20..0000000000 --- a/sysdeps/powerpc/powerpc64/power7/fpu/s_float_bitwise.S +++ /dev/null @@ -1,83 +0,0 @@ -/* Bitwise manipulation over float. PowerPC64 version using VSX. - Copyright (C) 2011 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Adhemerval Zanella <azanella@br.ibm.com>, 2011 - - 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 <sysdep.h> - - .section ".toc","aw" -.LC0: - .tc FS_28MASK_0[TC],0x7ffffffe00000000 /* 28-bits mask */ -.LC1: - .tc FS_24MASK_0[TC],0x7fffffe000000000 /* 24-bits mask */ -.LC2: - .tc FL_09MASK_0[TC],0x7ff0000000000000 /* 9-bits mask */ -.LC3: - .tc FL_EXP_MASK[TC],0x800FFFFFFFFFFFFF /* float exponent mask */ - .section ".text" - .machine power7 -/* int [r3] __float_and_test28(float [f1] num, float [f2] value) - Returns (num & 0x7FFFFF00 == value) */ -ENTRY(__float_and_test28) - lfd fp3,.LC0@toc(2) - xxland v4,v1,v3 - fcmpu cr7,fp4,fp2 - mfcr r3,cr1 - rlwinm r3,r3,31,1 - blr -END(__float_and_test28) - -/* int [r3] __float_and_test24(float [f1] num, float [f2] value) - Returns (num & 0x7FFFFFF0 == value) */ -ENTRY(__float_and_test24) - lfd fp3,.LC1@toc(2) - xxland v4,v1,v3 - fcmpu cr7,fp4,fp2 - mfcr r3,cr1 - rlwinm r3,r3,31,1 - blr -END(__float_and_test24) - -/* float [f1] __float_and8(float [f1] num) - Returns (num & 0x7F800000) */ -EALIGN(__float_and8, 4, 2) - lfd fp3,.LC2@toc(2) - xxland v1,v1,v3 - blr -END(__float_and8) - -/* int32_t [r2] __float_get_exp(float [f1] num) - Returns ((int32_t)(num & 0x7F800000) >> 23) */ -ENTRY(__float_get_exp) - lfd fp3,.LC2@toc(2) - xxland v4,v1,v3 - stfs fp4,-16(r1) - lwz r3,-16(r1) - srawi r3,r3,23 - clrldi r3,r3,32 - blr -END(__float_get_exp) - -/* float [fp1] __float_set_exp(float [fp1] num, float [fp2] exp) - Returns ((num & 0x807FFFFF) | exp) */ -EALIGN(__float_set_exp, 4, 1) - lfd fp3,.LC3@toc(2) - xxland v4,v1,v3 - xxlor v1,v4,v2 - blr -END(__float_set_exp) |