// Do not rely on add2reg* emitter.
// Depending on CmdLine switches and actual parameter values,
// the generated code may alter the condition code, which is counter-intuitive
// to the semantics of the "load address" (LA/LAY) instruction.
// Generic address loading d <- base(a) + index(a) + disp(a)
inline void MacroAssembler::load_address(Register d, const Address &a) {
if (Displacement::is_shortDisp(a.disp())) {
z_la(d, a.disp(), a.indexOrR0(), a.baseOrR0());
} else if (Displacement::is_validDisp(a.disp())) {
z_lay(d, a.disp(), a.indexOrR0(), a.baseOrR0());
} else {
guarantee(false, "displacement = " SIZE_FORMAT_HEX ", out of range for LA/LAY", a.disp());
}
}
// *((int8_t*)(dst)) |= imm8
inline void MacroAssembler::or2mem_8(Address& dst, int64_t imm8) {
if (Displacement::is_shortDisp(dst.disp())) {
z_oi(dst, imm8);
} else {
z_oiy(dst, imm8);
}
}
inline void MacroAssembler::ldf(FloatRegisterImpl::Width w, const Address& a, FloatRegister d, int offset) {
relocate(a.rspec(offset));
if (a.has_index()) {
assert(offset == 0, "");
ldf(w, a.base(), a.index(), d);
} else {
ldf(w, a.base(), a.disp() + offset, d);
}
}
inline void MacroAssembler::swap(const Address& a, Register d, int offset) {
relocate(a.rspec(offset));
if (a.has_index()) { assert(offset == 0, ""); swap(a.base(), a.index(), d ); }
else { swap(a.base(), a.disp() + offset, d); }
}
inline void MacroAssembler::stx(Register d, const Address& a, int offset) {
if (a.has_index()) { assert(offset == 0, ""); stx(d, a.base(), a.index() ); }
else { stx(d, a.base(), a.disp() + offset); }
}
inline void MacroAssembler::prefetch(const Address& a, PrefetchFcn f, int offset) {
relocate(a.rspec(offset));
assert(!a.has_index(), "");
prefetch(a.base(), a.disp() + offset, f);
}
inline void MacroAssembler::ldx( const Address& a, Register d, int offset) {
if (a.has_index()) { assert(offset == 0, ""); ldx( a.base(), a.index(), d); }
else { ldx( a.base(), a.disp() + offset, d); }
}
// form effective addresses this way:
inline void MacroAssembler::add(const Address& a, Register d, int offset) {
if (a.has_index()) add(a.base(), a.index(), d);
else { add(a.base(), a.disp() + offset, d, a.rspec(offset)); offset = 0; }
if (offset != 0) add(d, offset, d);
}
