Mercurial > hg > truffle
view src/cpu/x86/vm/relocInfo_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 | c436414a719e |
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/* * Copyright 1997-1999 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ // machine-dependent parts of class relocInfo private: enum { // Intel instructions are byte-aligned. offset_unit = 1, // Encodes Assembler::disp32_operand vs. Assembler::imm32_operand. format_width = 1 };