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| author | Andreas Jaeger <aj@suse.de> | 2000-09-05 09:07:19 +0000 |
|---|---|---|
| committer | Andreas Jaeger <aj@suse.de> | 2000-09-05 09:07:19 +0000 |
| commit | a9591af9e9ff0ecd0ae09214bd6e19157bff61d8 (patch) | |
| tree | 550b41649c499b71688c6664435f64fd98992f99 /sysdeps/powerpc | |
| parent | 584bbcdd2cc662d532024ca62db53413f6d05a15 (diff) | |
| download | glibc-a9591af9e9ff0ecd0ae09214bd6e19157bff61d8.tar.gz glibc-a9591af9e9ff0ecd0ae09214bd6e19157bff61d8.tar.xz glibc-a9591af9e9ff0ecd0ae09214bd6e19157bff61d8.zip | |
Moved from soft-fp/sysdeps/sparc/sparc64/s_scalbnl.c
Diffstat (limited to 'sysdeps/powerpc')
| -rw-r--r-- | sysdeps/powerpc/soft-fp/sfp-machine.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/powerpc/soft-fp/sfp-machine.h b/sysdeps/powerpc/soft-fp/sfp-machine.h new file mode 100644 index 0000000000..6d68f01ca3 --- /dev/null +++ b/sysdeps/powerpc/soft-fp/sfp-machine.h @@ -0,0 +1,48 @@ +#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_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv(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 + +/* 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) + +/* Exception flags. */ +#define FP_EX_INVALID (1 << 4) +#define FP_EX_OVERFLOW (1 << 3) +#define FP_EX_UNDERFLOW (1 << 2) +#define FP_EX_DIVZERO (1 << 1) +#define FP_EX_INEXACT (1 << 0) |