asm_dip/toolchain/fasmg.kl0e/examples/x86/include/ext/bmi1.inc
2024-11-24 23:13:28 -05:00

98 lines
2.5 KiB
C++

include 'avx.inc'
macro andn? dest*,src*,src2*
x86.parse_operand@dest dest
x86.parse_operand@src src
x86.parse_operand@src2 src2
if @dest.type = 'reg' & @src.type = 'reg' & (@src2.type = 'mem' | @src2.type = 'reg')
if @dest.size < 4
err 'invalid operand size'
else if @src.size <> @dest.size | @src2.size and not @dest.size
err 'operand sizes do not match'
end if
if @dest.size = 8
if x86.mode < 64
err 'instruction requires long mode'
end if
AVX.store_instruction@src2 16,VEX_0F38_W1,0F2h,@dest.rm,@src.rm
else
AVX.store_instruction@src2 16,VEX_0F38_W0,0F2h,@dest.rm,@src.rm
end if
else
err 'invalid combination of operands'
end if
end macro
macro bextr? dest*,src*,src2*
x86.parse_operand@dest dest
x86.parse_operand@src src
x86.parse_operand@src2 src2
if @dest.type = 'reg' & (@src.type = 'mem' | @src.type = 'reg') & @src2.type = 'reg'
if @dest.size < 4
err 'invalid operand size'
else if @src.size and not @dest.size | @src2.size <> @dest.size
err 'operand sizes do not match'
end if
if @dest.size = 8
if x86.mode < 64
err 'instruction requires long mode'
end if
AVX.store_instruction@src 16,VEX_0F38_W1,0F7h,@dest.rm,@src2.rm
else
AVX.store_instruction@src 16,VEX_0F38_W0,0F7h,@dest.rm,@src2.rm
end if
else
err 'invalid combination of operands'
end if
end macro
iterate <instr,opcode,postbyte>, blsi,0F3h,3, blsmsk,0F3h,2, blsr,0F3h,1
macro instr? dest*,src*
x86.parse_operand@dest dest
x86.parse_operand@src src
if @dest.type = 'reg' & (@src.type = 'mem' | @src.type = 'reg')
if @dest.size < 4
err 'invalid operand size'
else if @src.size and not @dest.size
err 'operand sizes do not match'
end if
if @dest.size = 8
if x86.mode < 64
err 'instruction requires long mode'
end if
AVX.store_instruction@src 16,VEX_0F38_W1,opcode,postbyte,@dest.rm
else
AVX.store_instruction@src 16,VEX_0F38_W0,opcode,postbyte,@dest.rm
end if
else
err 'invalid combination of operands'
end if
end macro
end iterate
iterate <instr,opcode>, lzcnt,0BDh, tzcnt,0BCh
macro instr? dest*,src*
x86.parse_operand@dest dest
x86.parse_operand@src src
if @dest.type = 'reg' & ( @src.type = 'reg' | @src.type = 'mem' )
if @src.size and not @dest.size
err 'operand sizes do not match'
end if
@src.opcode_prefix = 0F3h
if @dest.size > 1
x86.select_operand_prefix@src @dest.size
x86.store_instruction@src <0Fh,opcode>,@dest.rm
else
err 'invalid operand size'
end if
else
err 'invalid combination of operands'
end if
end macro
end iterate