diff options
| author | Aaron Watry <awatry@gmail.com> | 2013-03-27 20:47:53 -0500 |
|---|---|---|
| committer | Aaron Watry <awatry@gmail.com> | 2013-03-27 20:47:53 -0500 |
| commit | 3b1dfd65154603569fb7fa705586eb351e70f359 (patch) | |
| tree | b277a250b03f3cf187928741480b0d90d6c7ff24 | |
| parent | 47645bd47bc9f7029dca4068068d872ab10c6703 (diff) | |
Add a another TODO note.rotate
| -rw-r--r-- | generic/lib/integer/rotate.inc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/generic/lib/integer/rotate.inc b/generic/lib/integer/rotate.inc index b34ffed..2aa6cc9 100644 --- a/generic/lib/integer/rotate.inc +++ b/generic/lib/integer/rotate.inc @@ -27,6 +27,9 @@ _CLC_OVERLOAD _CLC_DEF GENTYPE rotate(GENTYPE x, GENTYPE n){ UGENTYPE x_1 = __builtin_astype(x, UGENTYPE); + //XXX: Is (UGENTYPE >> SGENTYPE) | (UGENTYPE << SGENTYPE) legal? + // If so, then combine the amt and shifts into a single set of statements + UGENTYPE amt; amt = (n < (GENTYPE)0 ? __builtin_astype((GENTYPE)0-n, UGENTYPE) : (UGENTYPE)0); x_1 = (x_1 >> amt) | (x_1 << ((UGENTYPE)GENSIZE - amt)); |