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src/cpu/x86/vm/vmreg_x86.cpp@18a08a7e16b5 (annotated)

src/cpu/x86/vm/vmreg_x86.cpp

Fri, 26 Jun 2009 07:26:10 -0700

author

twisti

date

Fri, 26 Jun 2009 07:26:10 -0700

changeset 1259

18a08a7e16b5

parent 435

a61af66fc99e

child 1907

c18cbe5936b8

permissions

-rw-r--r--

5057225: Remove useless I2L conversions
Summary: The optimizer should be told to normalize (AndL (ConvI2L x) 0xFF) to (ConvI2L (AndI x 0xFF)), and then the existing matcher rule will work for free.
Reviewed-by: kvn

duke@435	1	/*
duke@435	2	* Copyright 2006-2007 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	#include "incls/_precompiled.incl"
duke@435	26	#include "incls/_vmreg_x86.cpp.incl"
duke@435	27
duke@435	28
duke@435	29
duke@435	30	void VMRegImpl::set_regName() {
duke@435	31	Register reg = ::as_Register(0);
duke@435	32	int i;
duke@435	33	for (i = 0; i < ConcreteRegisterImpl::max_gpr ; ) {
duke@435	34	regName[i++] = reg->name();
duke@435	35	#ifdef AMD64
duke@435	36	regName[i++] = reg->name();
duke@435	37	#endif // AMD64
duke@435	38	reg = reg->successor();
duke@435	39	}
duke@435	40
duke@435	41	FloatRegister freg = ::as_FloatRegister(0);
duke@435	42	for ( ; i < ConcreteRegisterImpl::max_fpr ; ) {
duke@435	43	regName[i++] = freg->name();
duke@435	44	regName[i++] = freg->name();
duke@435	45	freg = freg->successor();
duke@435	46	}
duke@435	47
duke@435	48	XMMRegister xreg = ::as_XMMRegister(0);
duke@435	49	for ( ; i < ConcreteRegisterImpl::max_xmm ; ) {
duke@435	50	regName[i++] = xreg->name();
duke@435	51	regName[i++] = xreg->name();
duke@435	52	xreg = xreg->successor();
duke@435	53	}
duke@435	54	for ( ; i < ConcreteRegisterImpl::number_of_registers ; i ++ ) {
duke@435	55	regName[i] = "NON-GPR-FPR-XMM";
duke@435	56	}
duke@435	57	}