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8074345: Enable RewriteBytecodes when VM runs with CDS

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Enable bytecode rewriting when CDS turned on.

Co-authored-by: Ioi Lam <ioi.lam@oracle.com>
Reviewed-by: coleenp, iklam
This commit is contained in:
Yumin Qi 2015-03-25 15:18:37 -07:00
parent c08ffb03e4
commit 3e6cf09c39
13 changed files with 202 additions and 97 deletions
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12
hotspot/src/share/vm/interpreter/templateTable.hpp
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@ -82,6 +82,7 @@ class TemplateTable: AllStatic {
enum Operation { add, sub, mul, div, rem, _and, _or, _xor, shl, shr, ushr };
enum Condition { equal, not_equal, less, less_equal, greater, greater_equal };
enum CacheByte { f1_byte = 1, f2_byte = 2 }; // byte_no codes
enum RewriteControl { may_rewrite, may_not_rewrite }; // control for fast code under CDS
private:
static bool _is_initialized; // true if TemplateTable has been initialized
@ -165,6 +166,10 @@ class TemplateTable: AllStatic {
static void dload(int n);
static void aload(int n);
static void aload_0();
static void nofast_aload_0();
static void nofast_iload();
static void iload_internal(RewriteControl rc = may_rewrite);
static void aload_0_internal(RewriteControl rc = may_rewrite);
static void istore();
static void lstore();
@ -279,10 +284,13 @@ class TemplateTable: AllStatic {
static void invokehandle(int byte_no);
static void fast_invokevfinal(int byte_no);
static void getfield_or_static(int byte_no, bool is_static);
static void putfield_or_static(int byte_no, bool is_static);
static void getfield_or_static(int byte_no, bool is_static, RewriteControl rc = may_rewrite);
static void putfield_or_static(int byte_no, bool is_static, RewriteControl rc = may_rewrite);
static void getfield(int byte_no);
static void putfield(int byte_no);
static void nofast_getfield(int byte_no);
static void nofast_putfield(int byte_no);
static void getstatic(int byte_no);
static void putstatic(int byte_no);
static void pop_and_check_object(Register obj);