asm_dip/toolchain/fasm2/include/iset/fpu.inc
2024-11-25 00:04:53 -05:00

743 lines
16 KiB
PHP

element st?
repeat 8, i:0
element st#i? : st? + i
end repeat
iterate context, @dest,@src,@src2,@aux
namespace context
calminstruction x87.parse_operand#context operand
local i
match =st?(i), operand
jyes indexed_streg_operand
call x86.parse_operand#context, operand
check type = 'imm' & size = 0
jno done
check imm eq 1 elementof imm & 1 metadataof imm relativeto st?
jyes streg_operand
check imm relativeto st? & imm = st?
jno done
compute type, 'streg'
compute mod, 11b
compute rm, 0
exit
streg_operand:
compute type, 'streg'
compute mod, 11b
compute rm, 1 metadataof imm - st?
exit
indexed_streg_operand:
compute size, 0
compute type, 'streg'
compute mod, 11b
compute rm, +i
done:
end calminstruction
end namespace
end iterate
iterate <instr,opcode>, fwait,9Bh, wait,9Bh
calminstruction instr?
call x86.require.8087
emit 1, opcode
end calminstruction
end iterate
iterate <instr,byte1,byte2>, fnop,0D9h,0D0h, fchs,0D9h,0E0h, fabs,0D9h,0E1h, ftst,0D9h,0E4h, fxam,0D9h,0E5h, fld1,0D9h,0E8h, \
fldl2t,0D9h,0E9h, fldl2e,0D9h,0EAh, fldpi,0D9h,0EBh, fldlg2,0D9h,0ECh, fldln2,0D9h,0EDh, fldz,0D9h,0EEh, \
f2xm1,0D9h,0F0h, fyl2x,0D9h,0F1h, fptan,0D9h,0F2h, fpatan,0D9h,0F3h, fxtract,0D9h,0F4h, \
fdecstp,0D9h,0F6h, fincstp,0D9h,0F7h, fprem,0D9h,0F8h, \
fyl2xp1,0D9h,0F9h, fsqrt,0D9h,0FAh, frndint,0D9h,0FCh, fscale,0D9h,0FDh, \
fneni,0DBh,0E0h, fndisi,0DBh,0E1h, fnclex,0DBh,0E2h, fninit,0DBh,0E3h, \
fcompp,0DEh,0D9h
calminstruction instr?
call x86.require.8087
emit 1, byte1
emit 1, byte2
end calminstruction
end iterate
iterate <instr,opcode>, fneni,0E0h, fndisi,0E1h
calminstruction instr?
call x86.requireexact.8087
emit 1, 0DBh
emit 1, opcode
end calminstruction
end iterate
iterate op, eni, disi, clex, init
calminstruction f#op?
asm fwait?
asm fn#op?
end calminstruction
end iterate
calminstruction fsetpm?
call x86.requireexact.80287
emit 1, 0DBh
emit 1, 0E4h
end calminstruction
iterate <instr,postbyte>, fadd,0, fmul,1, fsub,4, fsubr,5, fdiv,6, fdivr,7
calminstruction instr? operand&
call x86.require.8087
local dest, src
match dest=,src, operand
jyes st
call x87.parse_operand@dest, operand
check @dest.type = 'mem'
jno invalid_combination_of_operands
check @dest.size = 4
jyes mem_dword
check @dest.size = 8
jyes mem_qword
check @dest.size
jno unknown_size
err 'invalid operand size'
jump mem_dword
unknown_size:
err 'operand size not specified'
mem_dword:
xcall x86.store_instruction@dest, (0D8h),(postbyte)
exit
mem_qword:
xcall x86.store_instruction@dest, (0DCh),(postbyte)
exit
st:
call x87.parse_operand@dest, dest
call x87.parse_operand@src, src
check @dest.type = 'streg' & @src.type = 'streg'
jno invalid_combination_of_operands
check @dest.rm = 0
jyes st0_sti
check @src.rm = 0
jyes sti_st0
jump invalid_combination_of_operands
st0_sti:
emit 1, 0D8h
emit 1, 11b shl 6 + postbyte shl 3 + @src.rm
exit
sti_st0:
check postbyte >= 4
jyes switched
emit 1, 0DCh
emit 1, 11b shl 6 + postbyte shl 3 + @dest.rm
exit
switched:
emit 1, 0DCh
emit 1, 11b shl 6 + (postbyte xor 1) shl 3 + @dest.rm
exit
invalid_combination_of_operands:
err 'invalid combination of operands'
end calminstruction
end iterate
iterate <instr,postbyte>, faddp,0, fmulp,1, fsubrp,4, fsubp,5, fdivrp,6, fdivp,7
calminstruction instr? operand&
call x86.require.8087
local dest, src
match , operand
jyes default
match dest=,src, operand
jno invalid_combination_of_operands
call x87.parse_operand@dest, dest
call x87.parse_operand@src, src
check @dest.type = 'streg' & @src.type = 'streg' & @src.rm = 0
jyes ok
invalid_combination_of_operands:
err 'invalid combination of operands'
exit
default:
compute @dest.rm, 1
ok:
emit 1, 0DEh
emit 1, 11b shl 6 + postbyte shl 3 + @dest.rm
end calminstruction
end iterate
iterate <instr,postbyte>, fcom,2, fcomp,3
calminstruction instr? src:st1
call x86.require.8087
call x87.parse_operand@src, src
check @src.type = 'streg'
jyes st
check @src.type = 'mem'
jno invalid_operand
check @src.size = 4
jyes mem_dword
check @src.size = 8
jyes mem_qword
check @src.size
jno unknown_size
err 'invalid operand size'
jump mem_dword
unknown_size:
err 'operand size not specified'
mem_dword: st:
xcall x86.store_instruction@src, (0D8h),(postbyte)
exit
mem_qword:
xcall x86.store_instruction@src, (0DCh),(postbyte)
exit
invalid_operand:
err 'invalid operand'
end calminstruction
end iterate
iterate <instr,postbyte>, fiadd,0, fimul,1, ficom,2, ficomp,3, fisub,4, fisubr,5, fidiv,6, fidivr,7
calminstruction instr? src*
call x86.require.8087
call x87.parse_operand@src, src
check @src.type = 'mem'
jno invalid_operand
check @src.size = 2
jyes mem_word
check @src.size = 4
jyes mem_dword
check @src.size
jno unknown_size
err 'invalid operand size'
jump mem_word
unknown_size:
err 'operand size not specified'
mem_word:
xcall x86.store_instruction@src, (0DEh),(postbyte)
exit
mem_dword:
xcall x86.store_instruction@src, (0DAh),(postbyte)
exit
invalid_operand:
err 'invalid operand'
end calminstruction
end iterate
calminstruction fld? src*
call x86.require.8087
call x87.parse_operand@src, src
check @src.type = 'streg'
jyes st
check @src.type = 'mem'
jno invalid_operand
check @src.size = 4
jyes mem_dword
check @src.size = 8
jyes mem_qword
check @src.size = 10
jyes mem_tword
check @src.size
jno unknown_size
err 'invalid operand size'
jump mem_dword
unknown_size:
err 'operand size not specified'
mem_dword: st:
xcall x86.store_instruction@src, (0D9h),(0)
exit
mem_qword:
xcall x86.store_instruction@src, (0DDh),(0)
exit
mem_tword:
xcall x86.store_instruction@src, (0DBh),(5)
exit
invalid_operand:
err 'invalid operand'
end calminstruction
calminstruction fst? dest*
call x86.require.8087
call x87.parse_operand@dest, dest
check @dest.type = 'streg'
jyes st
check @dest.type = 'mem'
jno invalid_operand
check @dest.size = 4
jyes mem_dword
check @dest.size = 8
jyes mem_qword
check @dest.size
jno unknown_size
err 'invalid operand size'
jump mem_dword
unknown_size:
err 'operand size not specified'
mem_dword:
xcall x86.store_instruction@dest, (0D9h),(2)
exit
mem_qword: st:
xcall x86.store_instruction@dest, (0DDh),(2)
exit
invalid_operand:
err 'invalid operand'
end calminstruction
calminstruction fstp? dest*
call x86.require.8087
call x87.parse_operand@dest, dest
check @dest.type = 'streg'
jyes st
check @dest.type = 'mem'
jno invalid_operand
check @dest.size = 4
jyes mem_dword
check @dest.size = 8
jyes mem_qword
check @dest.size = 10
jyes mem_tword
check @dest.size
jno unknown_size
err 'invalid operand size'
jump mem_dword
unknown_size:
err 'operand size not specified'
mem_dword:
xcall x86.store_instruction@dest, (0D9h),(3)
exit
mem_qword: st:
xcall x86.store_instruction@dest, (0DDh),(3)
exit
mem_tword:
xcall x86.store_instruction@dest, (0DBh),(7)
exit
invalid_operand:
err 'invalid operand'
end calminstruction
calminstruction fild? src*
call x86.require.8087
call x87.parse_operand@src, src
check @src.type = 'mem'
jno invalid_operand
check @src.size = 2
jyes mem_word
check @src.size = 4
jyes mem_dword
check @src.size = 8
jyes mem_qword
check @src.size
jno unknown_size
err 'invalid operand size'
jump mem_word
unknown_size:
err 'operand size not specified'
mem_word:
xcall x86.store_instruction@src, (0DFh),(0)
exit
mem_dword:
xcall x86.store_instruction@src, (0DBh),(0)
exit
mem_qword:
xcall x86.store_instruction@src, (0DFh),(5)
exit
invalid_operand:
err 'invalid operand'
end calminstruction
calminstruction fist? dest*
call x86.require.8087
call x87.parse_operand@dest, dest
check @dest.type = 'mem'
jno invalid_operand
check @dest.size = 2
jyes mem_word
check @dest.size = 4
jyes mem_dword
check @dest.size
jno unknown_size
err 'invalid operand size'
jump mem_word
unknown_size:
err 'operand size not specified'
mem_word:
xcall x86.store_instruction@dest, (0DFh),(2)
exit
mem_dword:
xcall x86.store_instruction@dest, (0DBh),(2)
exit
invalid_operand:
err 'invalid operand'
end calminstruction
calminstruction fistp? dest*
call x86.require.8087
call x87.parse_operand@dest, dest
check @dest.type = 'mem'
jno invalid_operand
check @dest.size = 2
jyes mem_word
check @dest.size = 4
jyes mem_dword
check @dest.size = 8
jyes mem_qword
check @dest.size
jno unknown_size
err 'invalid operand size'
jump mem_word
unknown_size:
err 'operand size not specified'
mem_word:
xcall x86.store_instruction@dest, (0DFh),(3)
exit
mem_dword:
xcall x86.store_instruction@dest, (0DBh),(3)
exit
mem_qword:
xcall x86.store_instruction@dest, (0DFh),(7)
exit
invalid_operand:
err 'invalid operand'
end calminstruction
calminstruction fisttp? dest*
call x86.require.8087
call x87.parse_operand@dest, dest
check @dest.type = 'mem'
jno invalid_operand
check @dest.size = 2
jyes mem_word
check @dest.size = 4
jyes mem_dword
check @dest.size = 8
jyes mem_qword
check @dest.size
jno unknown_size
err 'invalid operand size'
jump mem_word
unknown_size:
err 'operand size not specified'
mem_word:
xcall x86.store_instruction@dest, (0DFh),(1)
exit
mem_dword:
xcall x86.store_instruction@dest, (0DBh),(1)
exit
mem_qword:
xcall x86.store_instruction@dest, (0DDh),(1)
exit
invalid_operand:
err 'invalid operand'
end calminstruction
iterate <instr,postbyte>, fbld,4, fbstp,6
calminstruction instr? src*
call x86.require.8087
call x87.parse_operand@src, src
check @src.type = 'mem'
jno invalid_operand
check @src.size and not 10
jyes invalid_operand_size
xcall x86.store_instruction@src, (0DFh),(postbyte)
exit
invalid_operand_size:
err 'invalid operand size'
exit
invalid_operand:
err 'invalid operand'
end calminstruction
end iterate
calminstruction fxch? src:st1
call x86.require.8087
call x87.parse_operand@src, src
check @src.type = 'streg'
jno invalid_operand
emit 1, 0D9h
emit 1, 11b shl 6 + 1 shl 3 + @src.rm
exit
invalid_operand:
err 'invalid operand'
end calminstruction
iterate <instr,basecode>, ffree,0DDh, ffreep,0DFh
calminstruction instr? src*
call x86.require.8087
call x87.parse_operand@src, src
check @src.type = 'streg'
jno invalid_operand
emit 1, basecode
emit 1, 11b shl 6 + @src.rm
exit
invalid_operand:
err 'invalid operand'
end calminstruction
end iterate
calminstruction fnstsw? dest*
call x86.require.8087
call x86.parse_operand@dest, dest
check @dest.size and not 2
jyes invalid_operand_size
check @dest.type = 'mem'
jyes mem
check @dest.type = 'reg' & @dest.rm = 0
jno invalid_operand
emit 1, 0DFh
emit 1, 0E0h
exit
mem:
xcall x86.store_instruction@dest, (0DDh),(7)
exit
invalid_operand_size:
err 'invalid operand size'
exit
invalid_operand:
err 'invalid operand'
end calminstruction
iterate <instr,postbyte>, fldcw,5, fnstcw,7
calminstruction instr? dest*
call x86.parse_operand@dest, dest
check @dest.size and not 2
jyes invalid_operand_size
check @dest.type = 'mem'
jno invalid_operand
xcall x86.store_instruction@dest, (0D9h),(postbyte)
exit
invalid_operand_size:
err 'invalid operand size'
exit
invalid_operand:
err 'invalid operand'
end calminstruction
end iterate
iterate <instr,postbyte>, fldenv,4, fnstenv,6
calminstruction instr? dest*
call x86.require.8087
call x86.parse_operand@dest, dest
check @dest.size and not 14
jyes invalid_operand_size
check @dest.type = 'mem'
jno invalid_operand
xcall x86.store_instruction@dest, (0D9h),(postbyte)
exit
invalid_operand_size:
err 'invalid operand size'
exit
invalid_operand:
err 'invalid operand'
end calminstruction
end iterate
iterate <instr,postbyte>, frstor,4, fnsave,6
calminstruction instr? dest*
call x86.require.8087
call x86.parse_operand@dest, dest
check @dest.size and not 94
jyes invalid_operand_size
check @dest.type = 'mem'
jno invalid_operand
xcall x86.store_instruction@dest, (0DDh),(postbyte)
exit
invalid_operand_size:
err 'invalid operand size'
exit
invalid_operand:
err 'invalid operand'
end calminstruction
end iterate
iterate op, stsw, stcw, stenv, save
calminstruction f#op? dest*
asm fwait?
asm fn#op? dest
end calminstruction
end iterate
iterate <instr,byte1,byte2>, fprem1,0D9h,0F5h, fsincos,0D9h,0FBh, fsin,0D9h,0FEh, fcos,0D9h,0FFh, fucompp,0DAh,0E9h
calminstruction instr?
call x86.require.80387
emit 1, byte1
emit 1, byte2
end calminstruction
end iterate
iterate <instr,postbyte>, fucom,4, fucomp,5
calminstruction instr? src:st1
call x86.require.80387
call x87.parse_operand@src, src
check @src.type = 'streg'
jno invalid_operand
xcall x86.store_instruction@src, (0DDh),(postbyte)
exit
invalid_operand:
err 'invalid operand'
end calminstruction
end iterate
iterate <instr,postbyte>, fldenv,4, fnstenv,6
calminstruction instr? dest*
call x86.require.80387
call x86.parse_operand@dest, dest
check @dest.size & ( ( x86.mode = 16 & @dest.size <> 14 ) | ( x86.mode = 32 & @dest.size <> 28 ) )
jyes invalid_operand_size
check @dest.type = 'mem'
jno invalid_operand
xcall x86.store_instruction@dest, (0D9h),(postbyte)
exit
invalid_operand_size:
err 'invalid operand size'
exit
invalid_operand:
err 'invalid operand'
end calminstruction
end iterate
iterate <instr,postbyte>, fldenvw,4, fnstenvw,6
calminstruction instr? dest*
call x86.require.80387
call x86.parse_operand@dest, dest
check @dest.size and not 14
jyes invalid_operand_size
check @dest.type = 'mem'
jno invalid_operand
xcall x86.store_operand_prefix, (2)
xcall x86.store_instruction@dest, (0D9h),(postbyte)
exit
invalid_operand_size:
err 'invalid operand size'
exit
invalid_operand:
err 'invalid operand'
end calminstruction
end iterate
iterate <instr,postbyte>, fldenvd,4, fnstenvd,6
calminstruction instr? dest*
call x86.require.80387
call x86.parse_operand@dest, dest
check @dest.size and not 28
jyes invalid_operand_size
check @dest.type = 'mem'
jno invalid_operand
xcall x86.store_operand_prefix, (4)
xcall x86.store_instruction@dest, (0D9h),(postbyte)
exit
invalid_operand_size:
err 'invalid operand size'
exit
invalid_operand:
err 'invalid operand'
end calminstruction
end iterate
iterate <instr,postbyte>, frstor,4, fnsave,6
calminstruction instr? dest*
call x86.require.80387
call x86.parse_operand@dest, dest
check @dest.size & ( ( x86.mode = 16 & @dest.size <> 94 ) | ( x86.mode = 32 & @dest.size <> 108 ) )
jyes invalid_operand_size
check @dest.type = 'mem'
jno invalid_operand
xcall x86.store_instruction@dest, (0DDh),(postbyte)
exit
invalid_operand_size:
err 'invalid operand size'
exit
invalid_operand:
err 'invalid operand'
end calminstruction
end iterate
iterate <instr,postbyte>, frstorw,4, fnsavew,6
calminstruction instr? dest*
call x86.require.80387
call x86.parse_operand@dest, dest
check @dest.size and not 94
jyes invalid_operand_size
check @dest.type = 'mem'
jno invalid_operand
xcall x86.store_operand_prefix, (2)
xcall x86.store_instruction@dest, (0DDh),(postbyte)
exit
invalid_operand_size:
err 'invalid operand size'
exit
invalid_operand:
err 'invalid operand'
end calminstruction
end iterate
iterate <instr,postbyte>, frstord,4, fnsaved,6
calminstruction instr? dest*
call x86.require.80387
call x86.parse_operand@dest, dest
check @dest.size and not 108
jyes invalid_operand_size
check @dest.type = 'mem'
jno invalid_operand
xcall x86.store_operand_prefix, (4)
xcall x86.store_instruction@dest, (0DDh),(postbyte)
exit
invalid_operand_size:
err 'invalid operand size'
exit
invalid_operand:
err 'invalid operand'
end calminstruction
end iterate
iterate op, stenvw, stenvd, savew, saved
calminstruction f#op? dest*
asm fwait?
asm fn#op? dest
end calminstruction
end iterate