def end(self):
"""Do post-loop iterator code"""
if self.mode == CTR:
self.code.add(x86.loop(self.start_label))
elif self.mode == DEC:
# branch if r_count is not zero (CR)
# Note that this relies on someone (e.g. cleanup()) setting the
# condition register properly.
if self.step_size() == 1:
self.code.add(x86.jnz(self.start_label))
else:
self.code.add(x86.cmp(self.r_count, 0))
self.code.add(x86.jg(self.start_label))
elif self.mode == INC:
if self.external_stop:
if isinstance(self.r_count, memory.MemRef) and isinstance(
self.r_stop, memory.MemRef):
if self.r_clobber == None:
raise Exception(
'Must specify clobber_reg if count and stop values are both stored in memory.'
)
#self.code.add(x86.push(registers.eax))
#if self.r_count.base != registers.esp:
# self.code.add(x86.mov(registers.eax, self.r_count))
#else:
# oldm = self.r_count
# m = memory.MemRef(oldm.base, oldm.disp+8, oldm.index, oldm.scale, oldm.data_size)
# self.code.add(x86.mov(registers.eax, m))
#if self.r_stop.base != registers.esp:
# self.code.add(x86.cmp(registers.eax, self.r_stop))
#else:
# oldm = self.r_stop
# m = memory.MemRef(oldm.base, oldm.disp+8, oldm.index, oldm.scale, oldm.data_size)
# self.code.add(x86.cmp(registers.eax, m))
#self.code.add(x86.pop(registers.eax))
else:
self.code.add(x86.mov(self.r_clobber, self.r_count))
self.code.add(x86.cmp(self.r_clobber, self.r_stop))
else:
self.code.add(x86.cmp(self.r_count, self.r_stop))
else:
self.code.add(x86.cmp(self.r_count, self.n))
self.code.add(x86.jnge(self.start_label))
return
def end(self):
"""Do post-loop iterator code"""
if self.mode == CTR:
self.code.add(x86.loop(self.start_label))
elif self.mode == DEC:
# branch if r_count is not zero (CR)
# Note that this relies on someone (e.g. cleanup()) setting the
# condition register properly.
if self.step_size() == 1:
self.code.add(x86.jnz(self.start_label))
else:
self.code.add(x86.cmp(self.r_count, 0))
self.code.add(x86.jg(self.start_label))
elif self.mode == INC:
if self.external_stop:
if isinstance(self.r_count, memory.MemRef) and isinstance(self.r_stop, memory.MemRef):
if self.r_clobber == None:
raise Exception('Must specify clobber_reg if count and stop values are both stored in memory.')
#self.code.add(x86.push(registers.eax))
#if self.r_count.base != registers.esp:
# self.code.add(x86.mov(registers.eax, self.r_count))
#else:
# oldm = self.r_count
# m = memory.MemRef(oldm.base, oldm.disp+8, oldm.index, oldm.scale, oldm.data_size)
# self.code.add(x86.mov(registers.eax, m))
#if self.r_stop.base != registers.esp:
# self.code.add(x86.cmp(registers.eax, self.r_stop))
#else:
# oldm = self.r_stop
# m = memory.MemRef(oldm.base, oldm.disp+8, oldm.index, oldm.scale, oldm.data_size)
# self.code.add(x86.cmp(registers.eax, m))
#self.code.add(x86.pop(registers.eax))
else:
self.code.add(x86.mov(self.r_clobber, self.r_count))
self.code.add(x86.cmp(self.r_clobber, self.r_stop))
else:
self.code.add(x86.cmp(self.r_count, self.r_stop))
else:
self.code.add(x86.cmp(self.r_count, self.n))
self.code.add(x86.jnge(self.start_label))
return
def Test():
prgm = env.Program()
code = prgm.get_stream()
proc = env.Processor()
params = env.ExecParams()
params.p1 = 3
mr32 = MemRef(ebp, 8)
mr8 = MemRef(ebp, 8, data_size = 8)
lbl1 = prgm.get_label("lbl1")
lbl2 = prgm.get_label("lbl2")
code.add(x86_isa.xor(eax, eax))
code.add(x86_isa.cmp(eax, 1))
code.add(x86_isa.jne(lbl1))
code.add(x86_isa.ret())
code.add(lbl1)
code.add(x86_isa.cmp(eax, 1))
code.add(x86_isa.je(lbl2))
code.add(x86_isa.add(eax, 12))
code.add(lbl2)
prgm += code
ret = proc.execute(prgm)
print "ret", ret
assert(ret == 12)
prgm = env.Program()
code = prgm.get_stream()
fwd_lbl = prgm.get_label("FORWARD")
bck_lbl = prgm.get_label("BACKWARD")
code.add(x86_isa.xor(eax, eax))
code.add(bck_lbl)
code.add(x86_isa.cmp(eax, 1))
code.add(x86_isa.jne(fwd_lbl))
for i in xrange(0, 65):
code.add(x86_isa.pop(edi))
code.add(fwd_lbl)
prgm += code
ret = proc.execute(prgm, mode = 'int')
assert(ret == 0)
prgm = env.Program()
code = prgm.get_stream()
loop_lbl = prgm.get_label("LOOP")
out_lbl = prgm.get_label("OUT")
skip_lbl = prgm.get_label("SKIP")
code.add(x86_isa.xor(eax, eax))
code.add(loop_lbl)
r_tmp = prgm.acquire_register()
for i in range(0, 1):
for i in xrange(0, 24):
code.add(x86_isa.add(r_tmp, MemRef(esp, 4)))
code.add(x86_isa.add(eax, 4))
code.add(x86_isa.cmp(eax, 20))
code.add(x86_isa.je(out_lbl))
for i in xrange(0, 24):
code.add(x86_isa.add(r_tmp, MemRef(esp, 4)))
code.add(x86_isa.cmp(eax, 32))
code.add(x86_isa.jne(loop_lbl))
code.add(out_lbl)
code.add(x86_isa.jmp(skip_lbl))
for i in xrange(0, 2):
code.add(x86_isa.add(r_tmp, MemRef(esp, 4)))
code.add(skip_lbl)
prgm.release_register(r_tmp)
prgm += code
ret = proc.execute(prgm, mode = 'int')
print "ret", ret
assert(ret == 20)
prgm = env.Program()
code = prgm.get_stream()
loop_lbl = prgm.get_label("LOOP")
else_lbl = prgm.get_label("ELSE")
finish_lbl = prgm.get_label("finish")
code.add(x86_isa.mov(eax, -1))
code.add(x86_isa.mov(edx, 0))
code.add(loop_lbl)
code.add(x86_isa.add(eax, 1))
code.add(x86_isa.cmp(eax, 16))
code.add(x86_isa.jge(finish_lbl))
code.add(x86_isa.add(edx, eax))
code.add(x86_isa.mov(edx, edi))
code.add(x86_isa.and_(edi, 0x1))
code.add(x86_isa.jnz(else_lbl))
code.add(x86_isa.add(edx, 1))
code.add(x86_isa.jmp(loop_lbl))
code.add(else_lbl)
code.add(x86_isa.add(edx, edi))
code.add(x86_isa.jmp(loop_lbl))
code.add(finish_lbl)
code.add(x86_isa.mov(eax, edx))
prgm += code
ret = proc.execute(prgm, mode = 'int')
print "ret", ret
assert(ret == 1)
prgm = env.Program()
code = prgm.get_stream()
loop_lbl = prgm.get_label("LOOP")
code.add(x86_isa.xor(eax, eax))
code.add(x86_isa.xor(ecx, ecx))
code.add(x86_isa.mov(edx, 1))
code.add(loop_lbl)
code.add(x86_isa.inc(eax))
code.add(x86_isa.cmp(eax, 7))
code.add(x86_isa.cmove(ecx, edx))
code.add(x86_isa.jecxz(loop_lbl))
prgm += code
ret = proc.execute(prgm, mode = 'int')
print "ret", ret
assert(ret == 7)
prgm = env.Program()
code = prgm.get_stream()
code.add(x86_isa.add(eax, 200))
code.add(x86_isa.xor(eax, eax))
code.add(x86_isa.add(al, 32))
code.add(x86_isa.add(bl, 32))
code.add(x86_isa.xor(bl, bl))
code.add(x86_isa.mov(mr8, al))
code.add(x86_isa.add(mr32, 0))
code.add(x86_isa.mov(eax, mr32))
code.add(x86_isa.mov(al, mr8))
code.add(x86_isa.imul(ax, ax, 4))
code.add(x86_isa.imul(ebx, eax, 10))
code.add(x86_isa.mov(cx, 1232))
code.add(x86_isa.sub(ax, cx))
code.add(x86_isa.xor(eax,eax))
code.add(x86_isa.mov(eax,ebx))
code.add(x86_isa.clc())
code.add(x86_isa.rcl(eax, 1))
code.add(x86_isa.rcr(eax, 1))
prgm += code
#ret = proc.execute(code, debug = True, params = params)
id1 = proc.execute(prgm, params = params, mode = 'int', async = True)
id2 = proc.execute(prgm, params = params, mode = 'int', async = True)
ret = proc.execute(prgm, params = params, mode = 'int')
print "Return main thread: %d" % (ret)
ret = proc.join(id1)
print "Return thread 1: %d" % (ret)
ret = proc.join(id2)
print "Return thread 2: %d" % (ret)
prgm = env.Program()
code = prgm.get_stream()
code.add(x86_isa.fldpi())
code.add(x86_isa.fld1())
code.add(x86_isa.fadd(st0, st0))
code.add(x86_isa.fmulp())
code.add(x86_isa.fsin())
code.add(x86_isa.fcos())
code.add(x86_isa.fld1())
code.add(x86_isa.fyl2xp1())
prgm += code
ret = proc.execute(prgm, params = params, mode = 'fp')
print "Return main thread: %f" % (ret)
prgm = env.Program()
code = prgm.get_stream()
code.add(x86_isa.movd(xmm0, mr32))
code.add(x86_isa.mov(ebx, mr32))
code.add(x86_isa.movd(xmm1, ebx))
code.add(x86_isa.paddq(xmm0, xmm1))
code.add(x86_isa.pextrw(ecx, xmm0, 0))
code.add(x86_isa.pxor(mm1, mm1))
code.add(x86_isa.pinsrw(mm1, ecx, 0))
code.add(x86_isa.movq2dq(xmm0, mm1))
code.add(x86_isa.movdq2q(mm2, xmm0))
code.add(x86_isa.movd(edx,mm2))
code.add(x86_isa.movd(xmm5,edx))
code.add(x86_isa.movd(ecx, xmm5))
code.add(x86_isa.pxor(xmm6, xmm6))
code.add(x86_isa.pinsrw(xmm6, ecx, 0))
code.add(x86_isa.movd(eax, xmm6))
code.add(x86_isa.emms())
prgm += code
prgm.print_code(hex = True)
ret = proc.execute(prgm, params = params, mode = 'int')
print "Return main thread: %d" % (ret)
# Try the LOCK prefix
prgm = env.Program()
code = prgm.get_stream()
code.add(x86_isa.xor(eax, eax))
code.add(x86_isa.add(mr32, eax))
code.add(x86_isa.add(mr32, eax, lock = True))
prgm += code
prgm.print_code(hex = True)
proc.execute(prgm, params = params)
return
