Mon, 04 Nov 2013 21:59:54 +0100
8027445: SIGSEGV at TestFloatingDecimal.testAppendToDouble()I
Summary: String.equals() intrinsic shouldn't use integer length input in pointer arithmetic without an i2l.
Reviewed-by: kvn, twisti
duke@435 | 1 | /* |
stefank@2314 | 2 | * Copyright (c) 2006, 2010, Oracle and/or its affiliates. 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 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #ifndef CPU_SPARC_VM_VMREG_SPARC_INLINE_HPP |
stefank@2314 | 26 | #define CPU_SPARC_VM_VMREG_SPARC_INLINE_HPP |
stefank@2314 | 27 | |
duke@435 | 28 | inline VMReg RegisterImpl::as_VMReg() { |
duke@435 | 29 | if( this==noreg ) return VMRegImpl::Bad(); |
duke@435 | 30 | return VMRegImpl::as_VMReg(encoding() << 1 ); |
duke@435 | 31 | } |
duke@435 | 32 | |
duke@435 | 33 | inline VMReg FloatRegisterImpl::as_VMReg() { return VMRegImpl::as_VMReg( ConcreteRegisterImpl::max_gpr + encoding() ); } |
duke@435 | 34 | |
duke@435 | 35 | |
duke@435 | 36 | inline bool VMRegImpl::is_Register() { return value() >= 0 && value() < ConcreteRegisterImpl::max_gpr; } |
duke@435 | 37 | inline bool VMRegImpl::is_FloatRegister() { return value() >= ConcreteRegisterImpl::max_gpr && |
duke@435 | 38 | value() < ConcreteRegisterImpl::max_fpr; } |
duke@435 | 39 | inline Register VMRegImpl::as_Register() { |
duke@435 | 40 | |
duke@435 | 41 | assert( is_Register() && is_even(value()), "even-aligned GPR name" ); |
duke@435 | 42 | // Yuk |
duke@435 | 43 | return ::as_Register(value()>>1); |
duke@435 | 44 | } |
duke@435 | 45 | |
duke@435 | 46 | inline FloatRegister VMRegImpl::as_FloatRegister() { |
duke@435 | 47 | assert( is_FloatRegister(), "must be" ); |
duke@435 | 48 | // Yuk |
duke@435 | 49 | return ::as_FloatRegister( value() - ConcreteRegisterImpl::max_gpr ); |
duke@435 | 50 | } |
duke@435 | 51 | |
duke@435 | 52 | inline bool VMRegImpl::is_concrete() { |
duke@435 | 53 | assert(is_reg(), "must be"); |
duke@435 | 54 | int v = value(); |
duke@435 | 55 | if ( v < ConcreteRegisterImpl::max_gpr ) { |
duke@435 | 56 | return is_even(v); |
duke@435 | 57 | } |
duke@435 | 58 | // F0..F31 |
duke@435 | 59 | if ( v <= ConcreteRegisterImpl::max_gpr + 31) return true; |
duke@435 | 60 | if ( v < ConcreteRegisterImpl::max_fpr) { |
duke@435 | 61 | return is_even(v); |
duke@435 | 62 | } |
duke@435 | 63 | assert(false, "what register?"); |
duke@435 | 64 | return false; |
duke@435 | 65 | } |
stefank@2314 | 66 | |
stefank@2314 | 67 | #endif // CPU_SPARC_VM_VMREG_SPARC_INLINE_HPP |