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SMSW and SLDT are implicitly 16 bits when accessing memory, but can set

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the upper part of a 16-bit register if used with a 32-bit register
argument.
This commit is contained in:
H. Peter Anvin 2003-08-27 21:25:44 +00:00
parent d0ed6fd30d
commit 539f81d517
1 changed files with 4 additions and 2 deletions
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6
insns.dat
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@ -998,14 +998,16 @@ SHRD reg32,reg32,reg_cl \321\2\x0F\xAD\101 386
SIDT mem \300\2\x0F\x01\201 286
SLDT mem \300\1\x0F\17\200 286
SLDT mem16 \300\1\x0F\17\200 286
SLDT reg16 \1\x0F\17\200 286
SLDT reg16 \320\1\x0F\17\200 286
SLDT reg32 \321\1\x0F\17\200 386
SMI void \1\xF1 386,UNDOC
SMINT void \2\x0F\x38 P6,CYRIX
; Older Cyrix chips had this; they had to move due to conflict with MMX
SMINTOLD void \2\x0F\x7E 486,CYRIX,ND
SMSW mem \300\2\x0F\x01\204 286
SMSW mem16 \300\2\x0F\x01\204 286
SMSW reg16 \2\x0F\x01\204 286
SMSW reg16 \320\2\x0F\x01\204 286
SMSW reg32 \321\2\x0F\x01\204 386
STC void \1\xF9 8086
STD void \1\xFD 8086
STI void \1\xFB 8086