jdk8-mips64-public/hotspot: src/cpu/mips/vm/c1_MacroAssembler

src/cpu/mips/vm/c1_MacroAssembler_mips.hpp@d885f8d65c58 (annotated)

src/cpu/mips/vm/c1_MacroAssembler_mips.hpp

Tue, 26 Jul 2016 17:06:17 +0800

author: fujie
date: Tue, 26 Jul 2016 17:06:17 +0800
changeset 41: d885f8d65c58
parent 1: 2d8a650513c2
child 6880: 52ea28d233d2
permissions: -rw-r--r--

Add multiply word to GPR instruction (mul) in MIPS assembler.

 /*
  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2015, 2016, Loongson Technology. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 #ifndef CPU_MIPS_VM_C1_MACROASSEMBLER_MIPS_HPP
 #define CPU_MIPS_VM_C1_MACROASSEMBLER_MIPS_HPP
 // C1_MacroAssembler contains high-level macros for C1
 private:
 int _sp_offset;    // track sp changes
 // initialization
 void pd_init() { _sp_offset = 0; }
 public:
 void try_allocate(
 		Register obj,                      // result: pointer to object after successful allocation
 		Register var_size_in_bytes,        // object size in bytes if unknown at compile time; invalid otherwise
 		int      con_size_in_bytes,        // object size in bytes if   known at compile time
 		Register t1,                       // temp register
 		Register t2,                       // temp register
 		Label&   slow_case                 // continuation point if fast allocation fails
 		);
 void initialize_header(Register obj, Register klass, Register len, Register t1, Register t2);
 void initialize_body(Register obj, Register len_in_bytes, int hdr_size_in_bytes, Register t1);
 // locking
 // hdr     : must be rax, contents destroyed
 // obj     : must point to the object to lock, contents preserved
 // disp_hdr: must point to the displaced header location, contents preserved
 // scratch : scratch register, contents destroyed
 // returns code offset at which to add null check debug information
 int lock_object  (Register swap, Register obj, Register disp_hdr, Register scratch, Label& slow_case);
 // unlocking
 // hdr     : contents destroyed
 // obj     : must point to the object to lock, contents preserved
 // disp_hdr: must be eax & must point to the displaced header location, contents destroyed
 void unlock_object(Register swap, Register obj, Register lock, Label& slow_case);
 void initialize_object(
 		Register obj,                      // result: pointer to object after successful allocation
 		Register klass,                    // object klass
 		Register var_size_in_bytes,        // object size in bytes if unknown at compile time; invalid otherwise
 		int      con_size_in_bytes,        // object size in bytes if   known at compile time
 		Register t1,                       // temp register
 		Register t2                        // temp register
 		);
 // allocation of fixed-size objects
 // (can also be used to allocate fixed-size arrays, by setting
 // hdr_size correctly and storing the array length afterwards)
 // obj        : must be rax, will contain pointer to allocated object
 // t1, t2     : scratch registers - contents destroyed
 // header_size: size of object header in words
 // object_size: total size of object in words
 // slow_case  : exit to slow case implementation if fast allocation fails
 void allocate_object(Register obj, Register t1, Register t2, int header_size, int object_size, Register klass, Label& slow_case);
 enum {
 	max_array_allocation_length = 0x00FFFFFF
 };
 // allocation of arrays
 // obj        : must be rax, will contain pointer to allocated object
 // len        : array length in number of elements
 // t          : scratch register - contents destroyed
 // header_size: size of object header in words
 // f          : element scale factor
 // slow_case  : exit to slow case implementation if fast allocation fails
 void allocate_array(Register obj, Register len, Register t1, Register t2, Register t3, int header_size, int scale, Register klass, Label& slow_case);
 int  sp_offset() const { return _sp_offset; }
 void set_sp_offset(int n) { _sp_offset = n; }
 // Note: NEVER push values directly, but only through following push_xxx functions;
 //       This helps us to track the rsp changes compared to the entry rsp (->_sp_offset)
 void push_jint (jint i)     { _sp_offset++; move(AT, (int)i); push(AT); }
 #ifdef _LP64
 void push_oop  (jobject o)  { ShouldNotReachHere(); _sp_offset++; li(AT, (long)o); push(AT);}
 #else
 void push_oop  (jobject o)  { ShouldNotReachHere(); _sp_offset++; move(AT, (int)o); push(AT);}
 #endif
 // Seems to always be in wordSize
 void push_addr (Address a)  { _sp_offset++; addi(AT, a.base(), a.disp()); push(AT);}
 void push_reg  (Register r) { _sp_offset++; push(r); }
 void pop_reg   (Register r) { _sp_offset--; pop(r); assert(_sp_offset >= 0, "stack offset underflow"); }
 void super_pop(Register r) {MacroAssembler::pop(r);}
 void dec_stack (int nof_words) {
 	_sp_offset -= nof_words;
 	assert(_sp_offset >= 0, "stack offset underflow");
 	//addptr(rsp, wordSize * nof_words);
 	addi(SP, SP, wordSize * nof_words);
 }
 void dec_stack_after_call (int nof_words) {
 	_sp_offset -= nof_words;
 	assert(_sp_offset >= 0, "stack offset underflow");
 }
 void invalidate_registers(bool inv_rax, bool inv_rbx, bool inv_rcx, bool inv_rdx, bool inv_rsi, bool inv_rdi) PRODUCT_RETURN;
 #endif // CPU_MIPS_VM_C1_MACROASSEMBLER_MIPS_HPP

Mercurial > jdk8-mips64-public > hotspot / annotate

src/cpu/mips/vm/c1_MacroAssembler_mips.hpp@d885f8d65c58 (annotated)

src/cpu/mips/vm/c1_MacroAssembler_mips.hpp