diff options
Diffstat (limited to 'soft-fp/extended.h')
| -rw-r--r-- | soft-fp/extended.h | 32 |
1 files changed, 14 insertions, 18 deletions
diff --git a/soft-fp/extended.h b/soft-fp/extended.h index 940bdf1a1a..989b056974 100644 --- a/soft-fp/extended.h +++ b/soft-fp/extended.h @@ -232,16 +232,14 @@ union _FP_UNION_E # 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: - * We have just one right now, maybe Newton approximation - * should be added for those machines where division is fast. - * This has special _E version because standard _4 square - * root would not work (it has to start normally with the - * second word and not the first), but as we have to do it - * anyway, we optimize it by doing most of the calculations - * in two UWtype registers instead of four. - */ +/* Square root algorithms: + We have just one right now, maybe Newton approximation + should be added for those machines where division is fast. + This has special _E version because standard _4 square + root would not work (it has to start normally with the + second word and not the first), but as we have to do it + anyway, we optimize it by doing most of the calculations + in two UWtype registers instead of four. */ # define _FP_SQRT_MEAT_E(R, S, T, X, q) \ do \ @@ -458,14 +456,12 @@ union _FP_UNION_E # 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: - * We have just one right now, maybe Newton approximation - * should be added for those machines where division is fast. - * We optimize it by doing most of the calculations - * in one UWtype registers instead of two, although we don't - * have to. - */ +/* Square root algorithms: + We have just one right now, maybe Newton approximation + should be added for those machines where division is fast. + We optimize it by doing most of the calculations + in one UWtype registers instead of two, although we don't + have to. */ # define _FP_SQRT_MEAT_E(R, S, T, X, q) \ do \ { \ |