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Make soft-float sh use soft-fp fma/fmaf.

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Kaz Kojima 2013-12-17 09:00:05 +09:00
parent eacfdfbfad
commit 29618f6b74
5 changed files with 75 additions and 0 deletions
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9
ChangeLog
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2013-12-16 Kaz Kojima <kkojima@rr.iij4u.or.jp>
[BZ #13304]
* sysdeps/sh/s_fma.c: New file.
* sysdeps/sh/s_fmaf.c: New file.
* sysdeps/sh/soft-fp/sfp-machine.h: New file. Based on arm
version.
* sysdeps/sh/Implies: Add sh/soft-fp.
2013-12-16 Roland McGrath <roland@hack.frob.com>
* elf/dl-error.c (struct catch): Add new member `errcode'. Add a

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sysdeps/sh/Implies
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sh/soft-fp
wordsize-32
ieee754/flt-32
ieee754/dbl-64

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sysdeps/sh/s_fma.c Normal file
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#ifdef __SH_FPU_ANY__
# include <sysdeps/ieee754/dbl-64/s_fma.c>
#else
# include <soft-fp/fmadf4.c>
#endif

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sysdeps/sh/s_fmaf.c Normal file
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#ifdef __SH_FPU_ANY__
# include <sysdeps/ieee754/dbl-64/s_fmaf.c>
#else
# include <soft-fp/fmasf4.c>
#endif

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sysdeps/sh/soft-fp/sfp-machine.h Normal file
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#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)