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authoriximeow <me@iximeow.net>2023-12-16 15:05:08 -0800
committeriximeow <me@iximeow.net>2023-12-16 15:05:08 -0800
commitd7d84b3be6c929ee9d1b425a82b7121936a7cd34 (patch)
tree83dffdbf52d2ee3b19eba1cef44ea1f06bb86360 /CHANGELOG
parent2d303b6121e318e30572dd1134ddb0cf12bd0776 (diff)
fix incorrect register selection for `vpmov*2m` with `rex.r` set
Diffstat (limited to 'CHANGELOG')
-rw-r--r--CHANGELOG6
1 files changed, 6 insertions, 0 deletions
diff --git a/CHANGELOG b/CHANGELOG
index 4210e30..5d8ae65 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -13,6 +13,12 @@
instructions are otherwise decoded correctly.)
* fix incorrect register selection for `vpmovm2*` with `rex.b` set (would select
registers "k8" through "k15", but should be masked down to "k0".."k7".)
+* fix incorrect register selection for `vpmov*2m` with `rex.r` set. similar to
+ above, except 64-bit only: in 32- and 16-bit modes, this case was and continues
+ to be a `bound` instruction. in 64-bit mode, this would disassemble as a
+ `vpmov*2m` with nonsense `k8..k15` selected. to real hardware, this bit
+ sequence is an invalid instruction, and so it is now invalid to yaxpeax-x86
+ as well.
## 1.2.0
* fix incorrect old yaxpeax-arch version selection for ffi crates