1 /* 2 * Copyright (c) 2013, Red Hat Inc. 3 * Copyright (c) 2000, 2010, Oracle and/or its affiliates. 4 * All rights reserved. 5 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 6 * 7 * This code is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License version 2 only, as 9 * published by the Free Software Foundation. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 * 25 */ 26 27 #ifndef CPU_X86_VM_C1_LIRASSEMBLER_X86_HPP 28 #define CPU_X86_VM_C1_LIRASSEMBLER_X86_HPP 29 30 // ArrayCopyStub needs access to bailout 31 friend class ArrayCopyStub; 32 33 private: 34 35 int array_element_size(BasicType type) const; 36 37 void arith_fpu_implementation(LIR_Code code, int left_index, int right_index, int dest_index, bool pop_fpu_stack); 38 39 // helper functions which checks for overflow and sets bailout if it 40 // occurs. Always returns a valid embeddable pointer but in the 41 // bailout case the pointer won't be to unique storage. 42 address float_constant(float f); 43 address double_constant(double d); 44 45 address int_constant(jlong n); 46 47 bool is_literal_address(LIR_Address* addr); 48 49 // When we need to use something other than rscratch1 use this 50 // method. 51 Address as_Address(LIR_Address* addr, Register tmp); 52 53 // Record the type of the receiver in ReceiverTypeData 54 void type_profile_helper(Register mdo, 55 ciMethodData *md, ciProfileData *data, 56 Register recv, Label* update_done); 57 void add_debug_info_for_branch(address adr, CodeEmitInfo* info); 58 59 void casw(Register addr, Register newval, Register cmpval); 60 void casl(Register addr, Register newval, Register cmpval); 61 62 void poll_for_safepoint(relocInfo::relocType rtype, CodeEmitInfo* info = NULL); 63 64 static const int max_tableswitches = 20; 65 struct tableswitch switches[max_tableswitches]; 66 int tableswitch_count; 67 68 void init() { tableswitch_count = 0; } 69 70 void deoptimize_trap(CodeEmitInfo *info); 71 72 public: 73 74 void store_parameter(Register r, int offset_from_esp_in_words); 75 void store_parameter(jint c, int offset_from_esp_in_words); 76 void store_parameter(jobject c, int offset_from_esp_in_words); 77 78 enum { call_stub_size = 12 * NativeInstruction::instruction_size, 79 exception_handler_size = DEBUG_ONLY(1*K) NOT_DEBUG(175), 80 deopt_handler_size = 7 * NativeInstruction::instruction_size }; 81 82 83 #endif // CPU_X86_VM_C1_LIRASSEMBLER_X86_HPP