annotate src/cpu/x86/vm/c1_LIRAssembler_x86.hpp @ 71:3d62cb85208d

6662967: Optimize I2D conversion on new x86 Summary: Use CVTDQ2PS and CVTDQ2PD for integer values conversions to float and double values on new AMD cpu. Reviewed-by: sgoldman, never
author kvn
date Wed, 19 Mar 2008 15:33:25 -0700
parents a61af66fc99e
children dc7f315e41f7
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1 /*
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2 * Copyright 2000-2006 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 private:
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26
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27 Address::ScaleFactor array_element_size(BasicType type) const;
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28
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29 void monitorexit(LIR_Opr obj_opr, LIR_Opr lock_opr, Register new_hdr, int monitor_no, Register exception);
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30
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31 void arith_fpu_implementation(LIR_Code code, int left_index, int right_index, int dest_index, bool pop_fpu_stack);
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32
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33 // helper functions which checks for overflow and sets bailout if it
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34 // occurs. Always returns a valid embeddable pointer but in the
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35 // bailout case the pointer won't be to unique storage.
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36 address float_constant(float f);
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37 address double_constant(double d);
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38
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39 public:
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40
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41 void store_parameter(Register r, int offset_from_esp_in_words);
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42 void store_parameter(jint c, int offset_from_esp_in_words);
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43 void store_parameter(jobject c, int offset_from_esp_in_words);
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44
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45 enum { call_stub_size = 15,
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46 exception_handler_size = DEBUG_ONLY(1*K) NOT_DEBUG(175),
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47 deopt_handler_size = 10
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48 };