src/cpu/x86/vm/c1_LIRAssembler_x86.hpp

Tue, 14 Oct 2008 15:10:26 -0700

author
kvn
date
Tue, 14 Oct 2008 15:10:26 -0700
changeset 840
2649e5276dd7
parent 739
dc7f315e41f7
child 772
9ee9cf798b59
permissions
-rw-r--r--

6532536: Optimize arraycopy stubs for Intel cpus
Summary: Use SSE2 movdqu in arraycopy stubs on newest Intel's cpus
Reviewed-by: rasbold

duke@435 1 /*
duke@435 2 * Copyright 2000-2006 Sun Microsystems, Inc. All Rights Reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
duke@435 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435 20 * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435 21 * have any questions.
duke@435 22 *
duke@435 23 */
duke@435 24
duke@435 25 private:
duke@435 26
duke@435 27 Address::ScaleFactor array_element_size(BasicType type) const;
duke@435 28
duke@435 29 void monitorexit(LIR_Opr obj_opr, LIR_Opr lock_opr, Register new_hdr, int monitor_no, Register exception);
duke@435 30
duke@435 31 void arith_fpu_implementation(LIR_Code code, int left_index, int right_index, int dest_index, bool pop_fpu_stack);
duke@435 32
duke@435 33 // helper functions which checks for overflow and sets bailout if it
duke@435 34 // occurs. Always returns a valid embeddable pointer but in the
duke@435 35 // bailout case the pointer won't be to unique storage.
duke@435 36 address float_constant(float f);
duke@435 37 address double_constant(double d);
duke@435 38
never@739 39 bool is_literal_address(LIR_Address* addr);
never@739 40
never@739 41 // When we need to use something other than rscratch1 use this
never@739 42 // method.
never@739 43 Address as_Address(LIR_Address* addr, Register tmp);
never@739 44
never@739 45
duke@435 46 public:
duke@435 47
duke@435 48 void store_parameter(Register r, int offset_from_esp_in_words);
duke@435 49 void store_parameter(jint c, int offset_from_esp_in_words);
duke@435 50 void store_parameter(jobject c, int offset_from_esp_in_words);
duke@435 51
never@739 52 enum { call_stub_size = NOT_LP64(15) LP64_ONLY(28),
duke@435 53 exception_handler_size = DEBUG_ONLY(1*K) NOT_DEBUG(175),
never@739 54 deopt_handler_size = NOT_LP64(10) LP64_ONLY(17)
duke@435 55 };

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