Rooba
/
iced
mirror of https://github.com/icedland/iced.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Use normal indexing

This commit is contained in:
wtfsck 2021-05-07 22:34:38 +02:00
parent 4099e8685f
commit 8da4d0dea6
1 changed files with 3 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/rust/iced-x86/src/decoder.rs
View File

@ -1584,8 +1584,7 @@ impl<'a> Decoder<'a> {
self.state.extra_base_register_base = (b1x >> 2) & 8;
if let Some(&table) = self.handlers_vex.get(((b1 & 0x1F) as usize).wrapping_sub(1)) {
// SAFETY: b >> 8 == 0..0xFF and within bounds
self.decode_table2(unsafe { table.get_unchecked((b2 >> 8) as usize) }, instruction);
self.decode_table2(table[(b2 >> 8) as usize], instruction);
} else {
self.set_invalid_instruction();
}
@ -1633,8 +1632,7 @@ impl<'a> Decoder<'a> {
self.state.extra_base_register_base = (b1x >> 2) & 8;
if let Some(&table) = self.handlers_xop.get(((b1 & 0x1F) as usize).wrapping_sub(8)) {
// SAFETY: b >> 8 == 0..0xFF and within bounds
self.decode_table2(unsafe { table.get_unchecked((b2 >> 8) as usize) }, instruction);
self.decode_table2(table[(b2 >> 8) as usize], instruction);
} else {
self.set_invalid_instruction();
}
@ -1715,8 +1713,7 @@ impl<'a> Decoder<'a> {
}
if let Some(&table) = self.handlers_evex.get(((p0 & 3) as usize).wrapping_sub(1)) {
// SAFETY: table has exactly 0x100 elements
let handler = unsafe { *table.get_unchecked((d >> 16) as u8 as usize) };
let handler = table[(d >> 16) as u8 as usize];
debug_assert!(handler.has_modrm);
let m = d >> 24;
self.state.modrm = m;