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| author | Kaz Kojima <kkojima@rr.iij4u.or.jp> | 2013-12-17 09:00:05 +0900 |
|---|---|---|
| committer | Kaz Kojima <kkojima@rr.iij4u.or.jp> | 2013-12-17 09:00:05 +0900 |
| commit | 29618f6b74520811db2d2394e33606b9c7f2ef4a (patch) | |
| tree | e262749f96f12f524d7f337f9fb8eb0ce91b0e80 /sysdeps/sh | |
| parent | eacfdfbfad99346b53048d5a2da1d98f94659258 (diff) | |
| download | glibc-29618f6b74520811db2d2394e33606b9c7f2ef4a.zip glibc-29618f6b74520811db2d2394e33606b9c7f2ef4a.tar.gz glibc-29618f6b74520811db2d2394e33606b9c7f2ef4a.tar.bz2 | |
Make soft-float sh use soft-fp fma/fmaf.
Diffstat (limited to 'sysdeps/sh')
| -rw-r--r-- | sysdeps/sh/Implies | 1 | ||||
| -rw-r--r-- | sysdeps/sh/s_fma.c | 5 | ||||
| -rw-r--r-- | sysdeps/sh/s_fmaf.c | 5 | ||||
| -rw-r--r-- | sysdeps/sh/soft-fp/sfp-machine.h | 55 |
4 files changed, 66 insertions, 0 deletions
diff --git a/sysdeps/sh/Implies b/sysdeps/sh/Implies index 780c4e2..1fdc53d 100644 --- a/sysdeps/sh/Implies +++ b/sysdeps/sh/Implies @@ -1,3 +1,4 @@ +sh/soft-fp wordsize-32 ieee754/flt-32 ieee754/dbl-64 diff --git a/sysdeps/sh/s_fma.c b/sysdeps/sh/s_fma.c new file mode 100644 index 0000000..d92438d --- /dev/null +++ b/sysdeps/sh/s_fma.c @@ -0,0 +1,5 @@ +#ifdef __SH_FPU_ANY__ +# include <sysdeps/ieee754/dbl-64/s_fma.c> +#else +# include <soft-fp/fmadf4.c> +#endif diff --git a/sysdeps/sh/s_fmaf.c b/sysdeps/sh/s_fmaf.c new file mode 100644 index 0000000..3b811ae --- /dev/null +++ b/sysdeps/sh/s_fmaf.c @@ -0,0 +1,5 @@ +#ifdef __SH_FPU_ANY__ +# include <sysdeps/ieee754/dbl-64/s_fmaf.c> +#else +# include <soft-fp/fmasf4.c> +#endif diff --git a/sysdeps/sh/soft-fp/sfp-machine.h b/sysdeps/sh/soft-fp/sfp-machine.h new file mode 100644 index 0000000..9b90748 --- /dev/null +++ b/sysdeps/sh/soft-fp/sfp-machine.h @@ -0,0 +1,55 @@ +#define _FP_W_TYPE_SIZE 32 +#define _FP_W_TYPE unsigned long +#define _FP_WS_TYPE signed long +#define _FP_I_TYPE long + +#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 << 1) - 1) +#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1 +#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1 +#define _FP_NANSIGN_S 0 +#define _FP_NANSIGN_D 0 +#define _FP_NANSIGN_Q 0 + +#define _FP_KEEPNANFRACP 1 +#define _FP_QNANNEGATEDP 0 + +/* Someone please check this. */ +#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) + +#define FP_EX_INVALID (1 << 6) +#define FP_EX_DIVZERO (1 << 5) +#define FP_EX_OVERFLOW (1 << 4) +#define FP_EX_UNDERFLOW (1 << 3) +#define FP_EX_INEXACT (1 << 2) |