author | kvn |
Tue, 21 Aug 2012 14:50:02 -0700 | |
changeset 13488 | a9ec58a1f613 |
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permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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||
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#include "precompiled.hpp" |
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#include "memory/allocation.inline.hpp" |
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#include "opto/connode.hpp" |
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#include "opto/vectornode.hpp" |
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//------------------------------VectorNode-------------------------------------- |
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// Return the vector operator for the specified scalar operation |
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// and vector length. Also used to check if the code generator |
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// supports the vector operation. |
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int VectorNode::opcode(int sopc, uint vlen, BasicType bt) { |
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switch (sopc) { |
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case Op_AddI: |
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switch (bt) { |
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case T_BOOLEAN: |
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case T_BYTE: return Op_AddVB; |
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case T_CHAR: |
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case T_SHORT: return Op_AddVS; |
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case T_INT: return Op_AddVI; |
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} |
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ShouldNotReachHere(); |
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case Op_AddL: |
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assert(bt == T_LONG, "must be"); |
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return Op_AddVL; |
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case Op_AddF: |
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assert(bt == T_FLOAT, "must be"); |
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return Op_AddVF; |
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case Op_AddD: |
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assert(bt == T_DOUBLE, "must be"); |
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return Op_AddVD; |
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case Op_SubI: |
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switch (bt) { |
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case T_BOOLEAN: |
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case T_BYTE: return Op_SubVB; |
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case T_CHAR: |
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case T_SHORT: return Op_SubVS; |
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case T_INT: return Op_SubVI; |
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} |
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ShouldNotReachHere(); |
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case Op_SubL: |
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assert(bt == T_LONG, "must be"); |
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return Op_SubVL; |
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case Op_SubF: |
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assert(bt == T_FLOAT, "must be"); |
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return Op_SubVF; |
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case Op_SubD: |
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assert(bt == T_DOUBLE, "must be"); |
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return Op_SubVD; |
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case Op_MulI: |
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switch (bt) { |
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case T_BOOLEAN: |
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case T_BYTE: return 0; // Unimplemented |
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case T_CHAR: |
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case T_SHORT: return Op_MulVS; |
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case T_INT: return Matcher::match_rule_supported(Op_MulVI) ? Op_MulVI : 0; // SSE4_1 |
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} |
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ShouldNotReachHere(); |
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case Op_MulF: |
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assert(bt == T_FLOAT, "must be"); |
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return Op_MulVF; |
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case Op_MulD: |
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assert(bt == T_DOUBLE, "must be"); |
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return Op_MulVD; |
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case Op_DivF: |
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assert(bt == T_FLOAT, "must be"); |
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return Op_DivVF; |
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case Op_DivD: |
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assert(bt == T_DOUBLE, "must be"); |
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return Op_DivVD; |
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case Op_LShiftI: |
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switch (bt) { |
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case T_BOOLEAN: |
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case T_BYTE: return Op_LShiftVB; |
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case T_CHAR: |
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case T_SHORT: return Op_LShiftVS; |
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case T_INT: return Op_LShiftVI; |
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} |
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ShouldNotReachHere(); |
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case Op_LShiftL: |
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assert(bt == T_LONG, "must be"); |
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return Op_LShiftVL; |
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case Op_RShiftI: |
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switch (bt) { |
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case T_BOOLEAN: |
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case T_BYTE: return Op_RShiftVB; |
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case T_CHAR: |
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case T_SHORT: return Op_RShiftVS; |
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case T_INT: return Op_RShiftVI; |
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} |
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ShouldNotReachHere(); |
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case Op_RShiftL: |
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assert(bt == T_LONG, "must be"); |
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return Op_RShiftVL; |
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case Op_URShiftI: |
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switch (bt) { |
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case T_BOOLEAN: |
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case T_BYTE: return Op_URShiftVB; |
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case T_CHAR: |
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case T_SHORT: return Op_URShiftVS; |
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case T_INT: return Op_URShiftVI; |
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} |
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ShouldNotReachHere(); |
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case Op_URShiftL: |
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assert(bt == T_LONG, "must be"); |
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return Op_URShiftVL; |
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case Op_AndI: |
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case Op_AndL: |
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return Op_AndV; |
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case Op_OrI: |
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case Op_OrL: |
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return Op_OrV; |
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case Op_XorI: |
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case Op_XorL: |
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return Op_XorV; |
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case Op_LoadB: |
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case Op_LoadUB: |
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case Op_LoadUS: |
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case Op_LoadS: |
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case Op_LoadI: |
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case Op_LoadL: |
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case Op_LoadF: |
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case Op_LoadD: |
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return Op_LoadVector; |
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case Op_StoreB: |
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case Op_StoreC: |
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case Op_StoreI: |
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case Op_StoreL: |
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case Op_StoreF: |
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case Op_StoreD: |
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return Op_StoreVector; |
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} |
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return 0; // Unimplemented |
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} |
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bool VectorNode::implemented(int opc, uint vlen, BasicType bt) { |
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if (is_java_primitive(bt) && |
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(vlen > 1) && is_power_of_2(vlen) && |
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Matcher::vector_size_supported(bt, vlen)) { |
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int vopc = VectorNode::opcode(opc, vlen, bt); |
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return vopc > 0 && Matcher::has_match_rule(vopc); |
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} |
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return false; |
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} |
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bool VectorNode::is_shift(Node* n) { |
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switch (n->Opcode()) { |
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case Op_LShiftI: |
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case Op_LShiftL: |
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case Op_RShiftI: |
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case Op_RShiftL: |
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case Op_URShiftI: |
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case Op_URShiftL: |
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return true; |
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} |
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return false; |
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} |
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// Check if input is loop invariant vector. |
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bool VectorNode::is_invariant_vector(Node* n) { |
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// Only Replicate vector nodes are loop invariant for now. |
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switch (n->Opcode()) { |
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case Op_ReplicateB: |
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case Op_ReplicateS: |
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case Op_ReplicateI: |
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case Op_ReplicateL: |
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case Op_ReplicateF: |
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case Op_ReplicateD: |
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return true; |
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} |
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return false; |
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} |
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// Return the vector version of a scalar operation node. |
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VectorNode* VectorNode::make(Compile* C, int opc, Node* n1, Node* n2, uint vlen, BasicType bt) { |
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const TypeVect* vt = TypeVect::make(bt, vlen); |
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int vopc = VectorNode::opcode(opc, vlen, bt); |
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switch (vopc) { |
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case Op_AddVB: return new (C, 3) AddVBNode(n1, n2, vt); |
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case Op_AddVS: return new (C, 3) AddVSNode(n1, n2, vt); |
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case Op_AddVI: return new (C, 3) AddVINode(n1, n2, vt); |
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case Op_AddVL: return new (C, 3) AddVLNode(n1, n2, vt); |
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case Op_AddVF: return new (C, 3) AddVFNode(n1, n2, vt); |
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case Op_AddVD: return new (C, 3) AddVDNode(n1, n2, vt); |
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case Op_SubVB: return new (C, 3) SubVBNode(n1, n2, vt); |
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case Op_SubVS: return new (C, 3) SubVSNode(n1, n2, vt); |
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213 |
case Op_SubVI: return new (C, 3) SubVINode(n1, n2, vt); |
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214 |
case Op_SubVL: return new (C, 3) SubVLNode(n1, n2, vt); |
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215 |
case Op_SubVF: return new (C, 3) SubVFNode(n1, n2, vt); |
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216 |
case Op_SubVD: return new (C, 3) SubVDNode(n1, n2, vt); |
1 | 217 |
|
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218 |
case Op_MulVS: return new (C, 3) MulVSNode(n1, n2, vt); |
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219 |
case Op_MulVI: return new (C, 3) MulVINode(n1, n2, vt); |
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220 |
case Op_MulVF: return new (C, 3) MulVFNode(n1, n2, vt); |
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221 |
case Op_MulVD: return new (C, 3) MulVDNode(n1, n2, vt); |
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222 |
|
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223 |
case Op_DivVF: return new (C, 3) DivVFNode(n1, n2, vt); |
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224 |
case Op_DivVD: return new (C, 3) DivVDNode(n1, n2, vt); |
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225 |
|
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226 |
case Op_LShiftVB: return new (C, 3) LShiftVBNode(n1, n2, vt); |
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227 |
case Op_LShiftVS: return new (C, 3) LShiftVSNode(n1, n2, vt); |
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228 |
case Op_LShiftVI: return new (C, 3) LShiftVINode(n1, n2, vt); |
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229 |
case Op_LShiftVL: return new (C, 3) LShiftVLNode(n1, n2, vt); |
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230 |
|
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231 |
case Op_RShiftVB: return new (C, 3) RShiftVBNode(n1, n2, vt); |
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232 |
case Op_RShiftVS: return new (C, 3) RShiftVSNode(n1, n2, vt); |
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233 |
case Op_RShiftVI: return new (C, 3) RShiftVINode(n1, n2, vt); |
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234 |
case Op_RShiftVL: return new (C, 3) RShiftVLNode(n1, n2, vt); |
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235 |
|
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236 |
case Op_URShiftVB: return new (C, 3) URShiftVBNode(n1, n2, vt); |
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237 |
case Op_URShiftVS: return new (C, 3) URShiftVSNode(n1, n2, vt); |
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238 |
case Op_URShiftVI: return new (C, 3) URShiftVINode(n1, n2, vt); |
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239 |
case Op_URShiftVL: return new (C, 3) URShiftVLNode(n1, n2, vt); |
1 | 240 |
|
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241 |
case Op_AndV: return new (C, 3) AndVNode(n1, n2, vt); |
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242 |
case Op_OrV: return new (C, 3) OrVNode (n1, n2, vt); |
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243 |
case Op_XorV: return new (C, 3) XorVNode(n1, n2, vt); |
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244 |
} |
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245 |
ShouldNotReachHere(); |
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246 |
return NULL; |
1 | 247 |
|
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248 |
} |
1 | 249 |
|
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250 |
// Scalar promotion |
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251 |
VectorNode* VectorNode::scalar2vector(Compile* C, Node* s, uint vlen, const Type* opd_t) { |
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252 |
BasicType bt = opd_t->array_element_basic_type(); |
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253 |
const TypeVect* vt = opd_t->singleton() ? TypeVect::make(opd_t, vlen) |
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254 |
: TypeVect::make(bt, vlen); |
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|
255 |
switch (bt) { |
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|
256 |
case T_BOOLEAN: |
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|
257 |
case T_BYTE: |
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258 |
return new (C, 2) ReplicateBNode(s, vt); |
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259 |
case T_CHAR: |
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260 |
case T_SHORT: |
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261 |
return new (C, 2) ReplicateSNode(s, vt); |
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262 |
case T_INT: |
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263 |
return new (C, 2) ReplicateINode(s, vt); |
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264 |
case T_LONG: |
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265 |
return new (C, 2) ReplicateLNode(s, vt); |
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266 |
case T_FLOAT: |
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267 |
return new (C, 2) ReplicateFNode(s, vt); |
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268 |
case T_DOUBLE: |
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269 |
return new (C, 2) ReplicateDNode(s, vt); |
1 | 270 |
} |
271 |
ShouldNotReachHere(); |
|
272 |
return NULL; |
|
273 |
} |
|
274 |
||
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275 |
// Return initial Pack node. Additional operands added with add_opd() calls. |
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276 |
PackNode* PackNode::make(Compile* C, Node* s, uint vlen, BasicType bt) { |
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277 |
const TypeVect* vt = TypeVect::make(bt, vlen); |
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278 |
switch (bt) { |
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|
279 |
case T_BOOLEAN: |
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|
280 |
case T_BYTE: |
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281 |
return new (C, vlen+1) PackBNode(s, vt); |
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|
282 |
case T_CHAR: |
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|
283 |
case T_SHORT: |
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|
284 |
return new (C, vlen+1) PackSNode(s, vt); |
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|
285 |
case T_INT: |
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|
286 |
return new (C, vlen+1) PackINode(s, vt); |
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|
287 |
case T_LONG: |
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|
288 |
return new (C, vlen+1) PackLNode(s, vt); |
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|
289 |
case T_FLOAT: |
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|
290 |
return new (C, vlen+1) PackFNode(s, vt); |
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291 |
case T_DOUBLE: |
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|
292 |
return new (C, vlen+1) PackDNode(s, vt); |
1 | 293 |
} |
294 |
ShouldNotReachHere(); |
|
295 |
return NULL; |
|
296 |
} |
|
297 |
||
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298 |
// Create a binary tree form for Packs. [lo, hi) (half-open) range |
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299 |
Node* PackNode::binaryTreePack(Compile* C, int lo, int hi) { |
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|
300 |
int ct = hi - lo; |
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|
301 |
assert(is_power_of_2(ct), "power of 2"); |
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|
302 |
if (ct == 2) { |
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|
303 |
PackNode* pk = PackNode::make(C, in(lo), 2, vect_type()->element_basic_type()); |
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304 |
pk->add_opd(1, in(lo+1)); |
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|
305 |
return pk; |
1 | 306 |
|
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|
307 |
} else { |
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|
308 |
int mid = lo + ct/2; |
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|
309 |
Node* n1 = binaryTreePack(C, lo, mid); |
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310 |
Node* n2 = binaryTreePack(C, mid, hi ); |
1 | 311 |
|
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312 |
BasicType bt = vect_type()->element_basic_type(); |
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|
313 |
switch (bt) { |
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|
314 |
case T_BOOLEAN: |
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|
315 |
case T_BYTE: |
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|
316 |
return new (C, 3) PackSNode(n1, n2, TypeVect::make(T_SHORT, 2)); |
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|
317 |
case T_CHAR: |
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|
318 |
case T_SHORT: |
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|
319 |
return new (C, 3) PackINode(n1, n2, TypeVect::make(T_INT, 2)); |
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320 |
case T_INT: |
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|
321 |
return new (C, 3) PackLNode(n1, n2, TypeVect::make(T_LONG, 2)); |
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|
322 |
case T_LONG: |
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|
323 |
return new (C, 3) Pack2LNode(n1, n2, TypeVect::make(T_LONG, 2)); |
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|
324 |
case T_FLOAT: |
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|
325 |
return new (C, 3) PackDNode(n1, n2, TypeVect::make(T_DOUBLE, 2)); |
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|
326 |
case T_DOUBLE: |
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|
327 |
return new (C, 3) Pack2DNode(n1, n2, TypeVect::make(T_DOUBLE, 2)); |
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|
328 |
} |
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|
329 |
ShouldNotReachHere(); |
1 | 330 |
} |
331 |
return NULL; |
|
332 |
} |
|
333 |
||
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|
334 |
// Return the vector version of a scalar load node. |
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|
335 |
LoadVectorNode* LoadVectorNode::make(Compile* C, int opc, Node* ctl, Node* mem, |
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336 |
Node* adr, const TypePtr* atyp, uint vlen, BasicType bt) { |
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|
337 |
const TypeVect* vt = TypeVect::make(bt, vlen); |
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|
338 |
return new (C, 3) LoadVectorNode(ctl, mem, adr, atyp, vt); |
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|
339 |
return NULL; |
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|
340 |
} |
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|
341 |
|
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|
342 |
// Return the vector version of a scalar store node. |
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|
343 |
StoreVectorNode* StoreVectorNode::make(Compile* C, int opc, Node* ctl, Node* mem, |
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344 |
Node* adr, const TypePtr* atyp, Node* val, |
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345 |
uint vlen) { |
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|
346 |
return new (C, 4) StoreVectorNode(ctl, mem, adr, atyp, val); |
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347 |
} |
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348 |
|
1 | 349 |
// Extract a scalar element of vector. |
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7119644: Increase superword's vector size up to 256 bits
kvn
parents:
10255
diff
changeset
|
350 |
Node* ExtractNode::make(Compile* C, Node* v, uint position, BasicType bt) { |
657b387034fb
7119644: Increase superword's vector size up to 256 bits
kvn
parents:
10255
diff
changeset
|
351 |
assert((int)position < Matcher::max_vector_size(bt), "pos in range"); |
1 | 352 |
ConINode* pos = ConINode::make(C, (int)position); |
353 |
switch (bt) { |
|
354 |
case T_BOOLEAN: |
|
13104
657b387034fb
7119644: Increase superword's vector size up to 256 bits
kvn
parents:
10255
diff
changeset
|
355 |
return new (C, 3) ExtractUBNode(v, pos); |
1 | 356 |
case T_BYTE: |
357 |
return new (C, 3) ExtractBNode(v, pos); |
|
358 |
case T_CHAR: |
|
359 |
return new (C, 3) ExtractCNode(v, pos); |
|
360 |
case T_SHORT: |
|
361 |
return new (C, 3) ExtractSNode(v, pos); |
|
362 |
case T_INT: |
|
363 |
return new (C, 3) ExtractINode(v, pos); |
|
364 |
case T_LONG: |
|
365 |
return new (C, 3) ExtractLNode(v, pos); |
|
366 |
case T_FLOAT: |
|
367 |
return new (C, 3) ExtractFNode(v, pos); |
|
368 |
case T_DOUBLE: |
|
369 |
return new (C, 3) ExtractDNode(v, pos); |
|
370 |
} |
|
371 |
ShouldNotReachHere(); |
|
372 |
return NULL; |
|
373 |
} |
|
13104
657b387034fb
7119644: Increase superword's vector size up to 256 bits
kvn
parents:
10255
diff
changeset
|
374 |