def regalloc_pop(self, loc):
if isinstance(loc, XMMREG):
self.mc.MOVSD(loc, mem64(esp, 0))
self.mc.ADD(esp, imm(2 * WORD))
elif isinstance(loc, MODRM64):
# XXX evil trick
self.mc.POP(mem(ebp, get_ebp_ofs(loc.position + 1)))
self.mc.POP(mem(ebp, get_ebp_ofs(loc.position)))
else:
self.mc.POP(loc)
def regalloc_push(self, loc):
if isinstance(loc, XMMREG):
self.mc.SUB(esp, imm(2 * WORD))
self.mc.MOVSD(mem64(esp, 0), loc)
elif isinstance(loc, MODRM64):
# XXX evil trick
self.mc.PUSH(mem(ebp, get_ebp_ofs(loc.position)))
self.mc.PUSH(mem(ebp, get_ebp_ofs(loc.position + 1)))
else:
self.mc.PUSH(loc)
def regalloc_pop(self, loc):
if isinstance(loc, XMMREG):
self.mc.MOVSD(loc, mem64(esp, 0))
self.mc.ADD(esp, imm(2 * WORD))
elif isinstance(loc, MODRM64):
# XXX evil trick
self.mc.POP(mem(ebp, get_ebp_ofs(loc.position + 1)))
self.mc.POP(mem(ebp, get_ebp_ofs(loc.position)))
else:
self.mc.POP(loc)
def regalloc_push(self, loc):
if isinstance(loc, XMMREG):
self.mc.SUB(esp, imm(2 * WORD))
self.mc.MOVSD(mem64(esp, 0), loc)
elif isinstance(loc, MODRM64):
# XXX evil trick
self.mc.PUSH(mem(ebp, get_ebp_ofs(loc.position)))
self.mc.PUSH(mem(ebp, get_ebp_ofs(loc.position + 1)))
else:
self.mc.PUSH(loc)
def write_in_stack(loc, value):
assert loc >= 0
ofs = get_ebp_ofs(loc)
assert ofs < 0
assert (ofs % WORD) == 0
stack[stacklen + ofs//WORD] = value
def write_in_stack(loc, value):
assert loc >= 0
ofs = get_ebp_ofs(loc)
assert ofs < 0
assert (ofs % WORD) == 0
stack[stacklen + ofs // WORD] = value
