int Compilation::compile_java_method() {
assert(!method()->is_native(), "should not reach here");
if (BailoutOnExceptionHandlers) {
if (method()->has_exception_handlers()) {
bailout("linear scan can't handle exception handlers");
}
}
CHECK_BAILOUT_(no_frame_size);
{
PhaseTraceTime timeit(_t_buildIR);
build_hir();
}
if (BailoutAfterHIR) {
BAILOUT_("Bailing out because of -XX:+BailoutAfterHIR", no_frame_size);
}
{
PhaseTraceTime timeit(_t_emit_lir);
_frame_map = new FrameMap(method(), hir()->number_of_locks(), MAX2(4, hir()->max_stack()));
emit_lir();
}
CHECK_BAILOUT_(no_frame_size);
{
PhaseTraceTime timeit(_t_codeemit);
return emit_code_body();
}
}
int Compilation::emit_code_body() {
// emit code
if (!setup_code_buffer(code(), allocator()->num_calls())) {
BAILOUT_("size requested greater than avail code buffer size", 0);
}
code()->initialize_oop_recorder(env()->oop_recorder());
_masm = new C1_MacroAssembler(code());
_masm->set_oop_recorder(env()->oop_recorder());
LIR_Assembler lir_asm(this);
lir_asm.emit_code(hir()->code());
CHECK_BAILOUT_(0);
emit_code_epilog(&lir_asm);
CHECK_BAILOUT_(0);
generate_exception_handler_table();
#ifndef PRODUCT
if (PrintExceptionHandlers && Verbose) {
exception_handler_table()->print();
}
#endif /* PRODUCT */
return frame_map()->framesize();
}
int FpuStackSim::offset_from_tos(int rnr) const {
for (int i = tos_index(); i >= 0; i--) {
if (regs_at(i) == rnr) {
return tos_index() - i;
}
}
assert(false, "FpuStackSim: register not found");
BAILOUT_("FpuStackSim: register not found", 0);
}