diff options
| -rw-r--r-- | ports/ChangeLog.tile | 6 | ||||
| -rw-r--r-- | ports/sysdeps/tile/s_fma.c | 5 | ||||
| -rw-r--r-- | ports/sysdeps/tile/s_fmaf.c | 5 | ||||
| -rw-r--r-- | ports/sysdeps/tile/sfp-machine.h | 97 |
4 files changed, 105 insertions, 8 deletions
diff --git a/ports/ChangeLog.tile b/ports/ChangeLog.tile index e5a92fc..079b35c 100644 --- a/ports/ChangeLog.tile +++ b/ports/ChangeLog.tile @@ -1,3 +1,9 @@ +2013-07-03 Chris Metcalf <cmetcalf@tilera.com> + + * sysdeps/tile/s_fma.c: Use soft-fp version instead of ieee754. + * sysdeps/tile/s_fmaf.c: Likewise. + * sysdeps/tile/sfp-machine.h: New file. + 2013-07-04 Andreas Jaeger <aj@suse.de> * sysdeps/unix/sysv/linux/tile/sys/ptrace.h (PTRACE_PEEKSIGINFO): diff --git a/ports/sysdeps/tile/s_fma.c b/ports/sysdeps/tile/s_fma.c index c84a9bb..d9613fa 100644 --- a/ports/sysdeps/tile/s_fma.c +++ b/ports/sysdeps/tile/s_fma.c @@ -1,4 +1 @@ -/* tile does not support the rounding modes required by the ieee754/dbl-64 - implementation, but it's still better than the generic implementation. */ - -#include <sysdeps/ieee754/dbl-64/s_fma.c> +#include <soft-fp/fmadf4.c> diff --git a/ports/sysdeps/tile/s_fmaf.c b/ports/sysdeps/tile/s_fmaf.c index 84e9adc..aa5c9b2 100644 --- a/ports/sysdeps/tile/s_fmaf.c +++ b/ports/sysdeps/tile/s_fmaf.c @@ -1,4 +1 @@ -/* tile does not support the rounding modes required by the ieee754/dbl-64 - implementation, but it's still better than the generic implementation. */ - -#include <sysdeps/ieee754/dbl-64/s_fmaf.c> +#include <soft-fp/fmasf4.c> diff --git a/ports/sysdeps/tile/sfp-machine.h b/ports/sysdeps/tile/sfp-machine.h new file mode 100644 index 0000000..3ddc4b4 --- /dev/null +++ b/ports/sysdeps/tile/sfp-machine.h @@ -0,0 +1,97 @@ +/* Machine-dependent software floating-point definitions, tile version. + Copyright (C) 2013 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, see + <http://www.gnu.org/licenses/>. */ + +#include <bits/wordsize.h> + +#define _FP_W_TYPE_SIZE __WORDSIZE +#define _FP_W_TYPE unsigned long +#define _FP_WS_TYPE signed long +#define _FP_I_TYPE long + +#if _FP_W_TYPE_SIZE == 64 + +#define _FP_MUL_MEAT_S(R,X,Y) \ + _FP_MUL_MEAT_1_imm(_FP_WFRACBITS_S,R,X,Y) +#define _FP_MUL_MEAT_D(R,X,Y) \ + _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) +#define _FP_MUL_MEAT_Q(R,X,Y) \ + _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) + +#define _FP_MUL_MEAT_DW_S(R,X,Y) \ + _FP_MUL_MEAT_DW_1_imm(_FP_WFRACBITS_S,R,X,Y) +#define _FP_MUL_MEAT_DW_D(R,X,Y) \ + _FP_MUL_MEAT_DW_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) +#define _FP_MUL_MEAT_DW_Q(R,X,Y) \ + _FP_MUL_MEAT_DW_2_wide_3mul(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) + +#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_imm(S,R,X,Y,_FP_DIV_HELP_imm) +#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_1_udiv_norm(D,R,X,Y) +#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y) + +#define _FP_NANFRAC_S _FP_QNANBIT_S +#define _FP_NANFRAC_D _FP_QNANBIT_D +#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0 + +#else /* _FP_W_TYPE_SIZE == 32 */ + +#define _FP_MUL_MEAT_S(R,X,Y) \ + _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) +#define _FP_MUL_MEAT_D(R,X,Y) \ + _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) +#define _FP_MUL_MEAT_Q(R,X,Y) \ + _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) + +#define _FP_MUL_MEAT_DW_S(R,X,Y) \ + _FP_MUL_MEAT_DW_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) +#define _FP_MUL_MEAT_DW_D(R,X,Y) \ + _FP_MUL_MEAT_DW_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) +#define _FP_MUL_MEAT_DW_Q(R,X,Y) \ + _FP_MUL_MEAT_DW_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) + +#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_loop(S,R,X,Y) +#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) +#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y) + +#define _FP_NANFRAC_S _FP_QNANBIT_S +#define _FP_NANFRAC_D _FP_QNANBIT_D, 0 +#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0, 0, 0 + +#endif + +#define _FP_NANSIGN_S 1 +#define _FP_NANSIGN_D 1 +#define _FP_NANSIGN_Q 1 + +#define _FP_KEEPNANFRACP 1 +#define _FP_QNANNEGATEDP 0 + +#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ + do { \ + if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \ + && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \ + { \ + R##_s = Y##_s; \ + _FP_FRAC_COPY_##wc(R,Y); \ + } \ + else \ + { \ + R##_s = X##_s; \ + _FP_FRAC_COPY_##wc(R,X); \ + } \ + R##_c = FP_CLS_NAN; \ + } while (0) |