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Parser optimizations.

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- parser is now non-recursive (i.e. parse function is not called recursively in any case);
 - byte-code is now more compact:
    - constants are now not immediately dumped upon occurence, but later - where necessary;
    - assignments are combined with unary / binary operations;
    - binary operations are encoded more compactly in many cases;
 - byte-code arrays are now allocated separately for each scope (so, GC of the scopes now becomes possible);
 - byte-code is dumped directly into corresponding byte-code arrays:
   - linked lists of op_meta are not now used for main code of a scope.

JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com
JerryScript-DCO-1.0-Signed-off-by: Andrey Shitov a.shitov@samsung.com
This commit is contained in:
Andrey Shitov
2015-11-03 19:14:19 +03:00
committed by Ruben Ayrapetyan
parent b1de93abd6
commit 50d124bfc3
51 changed files with 9044 additions and 7401 deletions
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jerry-core/vm/vm-opcodes.inc.h
+5
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@@ -53,6 +53,11 @@ VM_OP_3 (func_expr_n, FUNC_EXPR_N,
VM_OP_ARG_TYPE_EMPTY,
arg_list, VM_OP_ARG_TYPE_INTEGER_CONST)
VM_OP_3 (func_expr_ref, FUNC_EXPR_REF,
lhs, VM_OP_ARG_TYPE_VARIABLE,
idx1, VM_OP_ARG_TYPE_INTEGER_CONST,
idx2, VM_OP_ARG_TYPE_INTEGER_CONST)
VM_OP_1 (retval, RETVAL,
ret_value, VM_OP_ARG_TYPE_VARIABLE)