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instrs: Don't use O-encoding hack for FSTSW

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This commit is contained in:
Alexis Engelke
2020-06-25 21:00:14 +02:00
parent 1b5461036e
commit 3221a319d3
3 changed files with 3 additions and 1 deletions
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2
instrs.txt
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@@ -1391,7 +1391,7 @@ df//5 M MEM64 - - - FILD
df//6 M FPU - - - FBSTP
df//7 M MEM64 - - - FISTP
# FSTSW AX
df//e0 O GP16 - - - FSTSW
df//e0 A GP16 - - - FSTSW
df//f0+ AO FPU FPU - - FCOMIP
df//f8+ AO FPU FPU - - FUCOMIP
#

1
parseinstrs.py
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@@ -69,6 +69,7 @@ ENCODINGS = {
"OI": InstrFlags(modreg_idx=0^3, imm_idx=1^3, imm_control=4),
"OA": InstrFlags(modreg_idx=0^3, zeroreg_idx=1^3),
"AO": InstrFlags(modreg_idx=1^3, zeroreg_idx=0^3),
"A": InstrFlags(zeroreg_idx=0^3),
"D": InstrFlags(imm_idx=0^3, imm_control=6),
"FD": InstrFlags(zeroreg_idx=0^3, imm_idx=1^3, imm_control=2),
"TD": InstrFlags(zeroreg_idx=1^3, imm_idx=0^3, imm_control=2),

1
tests/prefixes.txt
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@@ -29,3 +29,4 @@ decode 8ec0 [MOV_G2S reg0:r0 reg4:r0]
decode 8ec8 UD
decode d8c1 [FADD reg0:r0 reg0:r1]
decode64 41d8c1 [FADD reg0:r0 reg0:r1]
decode64 41dfe0 [FSTSW reg2:r0]