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Convert certain push number opcodes to literals (#2328)

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Binary operations are much faster with literal arguments.
The byte immediates are still kept for other cases, e.g. array declarations.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2018-05-18 10:22:53 +02:00
committed by yichoi
parent 64b16bf190
commit 5560c76b41
10 changed files with 232 additions and 81 deletions
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jerry-core/parser/js/js-parser-internal.h
+9 -1
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@@ -117,6 +117,13 @@ typedef struct
((opcode) == CBC_PUSH_LITERAL \
|| (opcode) == CBC_PUSH_TWO_LITERALS \
|| (opcode) == CBC_PUSH_THREE_LITERALS)
#define PARSER_IS_PUSH_NUMBER(opcode) \
((opcode) == CBC_PUSH_NUMBER_0 \
|| (opcode) == CBC_PUSH_NUMBER_POS_BYTE \
|| (opcode) == CBC_PUSH_NUMBER_NEG_BYTE \
|| (opcode) == PARSER_TO_EXT_OPCODE (CBC_EXT_PUSH_LITERAL_PUSH_NUMBER_0) \
|| (opcode) == PARSER_TO_EXT_OPCODE (CBC_EXT_PUSH_LITERAL_PUSH_NUMBER_POS_BYTE) \
|| (opcode) == PARSER_TO_EXT_OPCODE (CBC_EXT_PUSH_LITERAL_PUSH_NUMBER_NEG_BYTE))
#define PARSER_GET_LITERAL(literal_index) \
((lexer_literal_t *) parser_list_get (&context_p->literal_pool, (literal_index)))
@@ -429,7 +436,8 @@ ecma_char_t lexer_hex_to_character (parser_context_t *context_p, const uint8_t *
void lexer_expect_object_literal_id (parser_context_t *context_p, bool must_be_identifier);
void lexer_construct_literal_object (parser_context_t *context_p, lexer_lit_location_t *literal_p,
uint8_t literal_type);
bool lexer_construct_number_object (parser_context_t *context_p, bool push_number_allowed, bool is_negative_number);
bool lexer_construct_number_object (parser_context_t *context_p, bool is_expr, bool is_negative_number);
void lexer_convert_push_number_to_push_literal (parser_context_t *context_p);
uint16_t lexer_construct_function_object (parser_context_t *context_p, uint32_t extra_status_flags);
void lexer_construct_regexp_object (parser_context_t *context_p, bool parse_only);
bool lexer_compare_identifier_to_current (parser_context_t *context_p, const lexer_lit_location_t *right);