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Diffstat (limited to 'CHANGELOG')
| -rw-r--r-- | CHANGELOG | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -20,6 +20,10 @@ * fix incorrect index-vector-register size choice for vgatherdpd. the index register is xmm, not depends-on-L xmm/ymm. * fix SEAM and {rd,wr}{fs,gs}base instructions being decoded in 32-bit and 16-bit modes. +* the pextr*/pinsr*/insertps/extrps immediate is now an unsigned 8-bit immediate, rather than signed. + these instructions consume 8 bit of immediate as several fields compressed into 8 bits, rather + than as a numeric value, so sign extension is not useful. further, extending the immediate makes + it more difficult to round-trip disassembly through other assemblers. testing instruction round-tripping through `masm` found a few bugs, which are also fixed in this release: |