diff options
| 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/extended.h | |
| parent | 1413c693d3390e02399a0042ef97b73918749977 (diff) | |
Implement fma in soft-fp.
Diffstat (limited to 'soft-fp/extended.h')
| -rw-r--r-- | soft-fp/extended.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/soft-fp/extended.h b/soft-fp/extended.h index 74927550eb..c8b1583086 100644 --- a/soft-fp/extended.h +++ b/soft-fp/extended.h @@ -33,8 +33,10 @@ #if _FP_W_TYPE_SIZE < 64 #define _FP_FRACTBITS_E (4*_FP_W_TYPE_SIZE) +#define _FP_FRACTBITS_DW_E (8*_FP_W_TYPE_SIZE) #else #define _FP_FRACTBITS_E (2*_FP_W_TYPE_SIZE) +#define _FP_FRACTBITS_DW_E (4*_FP_W_TYPE_SIZE) #endif #define _FP_FRACBITS_E 64 @@ -56,6 +58,11 @@ #define _FP_OVERFLOW_E \ ((_FP_W_TYPE)1 << (_FP_WFRACBITS_E % _FP_W_TYPE_SIZE)) +#define _FP_WFRACBITS_DW_E (2 * _FP_WFRACBITS_E) +#define _FP_WFRACXBITS_DW_E (_FP_FRACTBITS_DW_E - _FP_WFRACBITS_DW_E) +#define _FP_HIGHBIT_DW_E \ + ((_FP_W_TYPE)1 << (_FP_WFRACBITS_DW_E - 1) % _FP_W_TYPE_SIZE) + typedef float XFtype __attribute__((mode(XF))); #if _FP_W_TYPE_SIZE < 64 @@ -192,6 +199,7 @@ union _FP_UNION_E #define FP_MUL_E(R,X,Y) _FP_MUL(E,4,R,X,Y) #define FP_DIV_E(R,X,Y) _FP_DIV(E,4,R,X,Y) #define FP_SQRT_E(R,X) _FP_SQRT(E,4,R,X) +#define FP_FMA_E(R,X,Y,Z) _FP_FMA(E,4,8,R,X,Y,Z) /* * Square root algorithms: @@ -258,6 +266,8 @@ union _FP_UNION_E #define _FP_FRAC_HIGH_E(X) (X##_f[2]) #define _FP_FRAC_HIGH_RAW_E(X) (X##_f[1]) +#define _FP_FRAC_HIGH_DW_E(X) (X##_f[4]) + #else /* not _FP_W_TYPE_SIZE < 64 */ union _FP_UNION_E { @@ -383,6 +393,7 @@ union _FP_UNION_E #define FP_MUL_E(R,X,Y) _FP_MUL(E,2,R,X,Y) #define FP_DIV_E(R,X,Y) _FP_DIV(E,2,R,X,Y) #define FP_SQRT_E(R,X) _FP_SQRT(E,2,R,X) +#define FP_FMA_E(R,X,Y,Z) _FP_FMA(E,2,4,R,X,Y,Z) /* * Square root algorithms: @@ -427,4 +438,6 @@ union _FP_UNION_E #define _FP_FRAC_HIGH_E(X) (X##_f1) #define _FP_FRAC_HIGH_RAW_E(X) (X##_f0) +#define _FP_FRAC_HIGH_DW_E(X) (X##_f[2]) + #endif /* not _FP_W_TYPE_SIZE < 64 */ |