lossless_enc: better vectorization, most benefits seen in AddVector/Eq
w/ndk r27/gcc-13/clang-16
lossless: minor reordering and some improvement to PredictorAdd5_SSE2
w/gcc-13
This only affects non-vector pointers; any vector pointers are left as a
follow up.
Change-Id: I2356e314f391ee2f2c71f00bc6ee10097d3881e7
The lossless encoding speed-ups are:
- up to 1% with default parameters
- up to 4% in cruncher mode: -q 100 -m 6
Change-Id: Id92d4bad0b0a2c28c8aa9ff5280eea5717017f30
... when it's not available. Even if the value was discarded and
never used, some msan config were complaining about reading it
and passing it around.
Change-Id: Iab8d24676c5bb58e607a829121e36c2862da397c
'upper' could be NULL and it would be increased.
But that is for predictor zero that does not use 'upper'.
Change-Id: Icd4ae6792cc55ea021b4f828c3dbdb5f03e120d8
