-
quadword 64 bits);
using one of the sign
extended moves,
accomplished by the
movsx ("move with sign extension")
family of instructions. A
similar concept is...
- lidt ljmp lldt lmsw lock lods loop
loopnz loopz lret lsl lss ltr mov movs
movsx movw
movzb mul neg nop not or out outs pop popa popf push
pusha pushf rcl...
- instruction?
Intel SDM
order no. 325462-077, apr 2022, vol 2B, p.4-130 "
MOVSX/MOVSXD-Move with Sign-Extension"
lists MOVSXD without REX.W as "discouraged"...
- been
added to 386: BSF, BSR, BT, BTS, BTR, BTC, CDQ, CWDE, LFS, LGS, LSS,
MOVSX, MOVZX, SETcc, SHLD, SHRD. Two new
segment registers have been
added (FS...
