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6797305: Add LoadUB and LoadUI opcode class

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Add a LoadUB (unsigned byte) and LoadUI (unsigned int) opcode class so we have these load optimizations in the first place and do not need to handle them in the matcher.

Reviewed-by: never, kvn
This commit is contained in:
Christian Thalinger 2009-03-09 03:17:11 -07:00
parent 26d192003f
commit 89cea91c48
17 changed files with 726 additions and 186 deletions
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22
hotspot/src/cpu/x86/vm/assembler_x86.hpp
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@ -1,5 +1,5 @@
/*
* Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved.
* Copyright 1997-2009 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
@ -278,7 +278,7 @@ class Address VALUE_OBJ_CLASS_SPEC {
// Convert the raw encoding form into the form expected by the constructor for
// Address. An index of 4 (rsp) corresponds to having no index, so convert
// that to noreg for the Address constructor.
static Address make_raw(int base, int index, int scale, int disp);
static Address make_raw(int base, int index, int scale, int disp, bool disp_is_oop);
static Address make_array(ArrayAddress);
@ -1138,6 +1138,9 @@ private:
void movsbl(Register dst, Register src);
#ifdef _LP64
void movsbq(Register dst, Address src);
void movsbq(Register dst, Register src);
// Move signed 32bit immediate to 64bit extending sign
void movslq(Address dst, int32_t imm64);
void movslq(Register dst, int32_t imm64);
@ -1150,6 +1153,11 @@ private:
void movswl(Register dst, Address src);
void movswl(Register dst, Register src);
#ifdef _LP64
void movswq(Register dst, Address src);
void movswq(Register dst, Register src);
#endif
void movw(Address dst, int imm16);
void movw(Register dst, Address src);
void movw(Address dst, Register src);
@ -1157,9 +1165,19 @@ private:
void movzbl(Register dst, Address src);
void movzbl(Register dst, Register src);
#ifdef _LP64
void movzbq(Register dst, Address src);
void movzbq(Register dst, Register src);
#endif
void movzwl(Register dst, Address src);
void movzwl(Register dst, Register src);
#ifdef _LP64
void movzwq(Register dst, Address src);
void movzwq(Register dst, Register src);
#endif
void mull(Address src);
void mull(Register src);