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| author | Joseph Myers <joseph@codesourcery.com> | 2013-07-02 14:55:32 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2013-07-02 14:55:32 +0000 |
| commit | 77f01ab5d1d2eead1bd4a9135d6a76ebd3fe21e5 (patch) | |
| tree | 84727a1d5b17bbfe868ef2246e59bffc98f57495 /soft-fp/single.h | |
| parent | 1413c693d3390e02399a0042ef97b73918749977 (diff) | |
| download | glibc-77f01ab5d1d2eead1bd4a9135d6a76ebd3fe21e5.zip glibc-77f01ab5d1d2eead1bd4a9135d6a76ebd3fe21e5.tar.gz glibc-77f01ab5d1d2eead1bd4a9135d6a76ebd3fe21e5.tar.bz2 | |
Implement fma in soft-fp.
Diffstat (limited to 'soft-fp/single.h')
| -rw-r--r-- | soft-fp/single.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/soft-fp/single.h b/soft-fp/single.h index dec0031..c94f31f 100644 --- a/soft-fp/single.h +++ b/soft-fp/single.h @@ -36,6 +36,12 @@ #define _FP_FRACTBITS_S _FP_W_TYPE_SIZE +#if _FP_W_TYPE_SIZE < 64 +# define _FP_FRACTBITS_DW_S (2 * _FP_W_TYPE_SIZE) +#else +# define _FP_FRACTBITS_DW_S _FP_W_TYPE_SIZE +#endif + #define _FP_FRACBITS_S 24 #define _FP_FRACXBITS_S (_FP_FRACTBITS_S - _FP_FRACBITS_S) #define _FP_WFRACBITS_S (_FP_WORKBITS + _FP_FRACBITS_S) @@ -49,6 +55,11 @@ #define _FP_IMPLBIT_SH_S ((_FP_W_TYPE)1 << (_FP_FRACBITS_S-1+_FP_WORKBITS)) #define _FP_OVERFLOW_S ((_FP_W_TYPE)1 << (_FP_WFRACBITS_S)) +#define _FP_WFRACBITS_DW_S (2 * _FP_WFRACBITS_S) +#define _FP_WFRACXBITS_DW_S (_FP_FRACTBITS_DW_S - _FP_WFRACBITS_DW_S) +#define _FP_HIGHBIT_DW_S \ + ((_FP_W_TYPE)1 << (_FP_WFRACBITS_DW_S - 1) % _FP_W_TYPE_SIZE) + /* The implementation of _FP_MUL_MEAT_S and _FP_DIV_MEAT_S should be chosen by the target machine. */ @@ -139,6 +150,12 @@ union _FP_UNION_S #define FP_SQRT_S(R,X) _FP_SQRT(S,1,R,X) #define _FP_SQRT_MEAT_S(R,S,T,X,Q) _FP_SQRT_MEAT_1(R,S,T,X,Q) +#if _FP_W_TYPE_SIZE < 64 +# define FP_FMA_S(R, X, Y, Z) _FP_FMA(S, 1, 2, R, X, Y, Z) +#else +# define FP_FMA_S(R, X, Y, Z) _FP_FMA(S, 1, 1, R, X, Y, Z) +#endif + #define FP_CMP_S(r,X,Y,un) _FP_CMP(S,1,r,X,Y,un) #define FP_CMP_EQ_S(r,X,Y) _FP_CMP_EQ(S,1,r,X,Y) #define FP_CMP_UNORD_S(r,X,Y) _FP_CMP_UNORD(S,1,r,X,Y) @@ -148,3 +165,9 @@ union _FP_UNION_S #define _FP_FRAC_HIGH_S(X) _FP_FRAC_HIGH_1(X) #define _FP_FRAC_HIGH_RAW_S(X) _FP_FRAC_HIGH_1(X) + +#if _FP_W_TYPE_SIZE < 64 +# define _FP_FRAC_HIGH_DW_S(X) _FP_FRAC_HIGH_2(X) +#else +# define _FP_FRAC_HIGH_DW_S(X) _FP_FRAC_HIGH_1(X) +#endif |