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Bug 1316098 - Optimize out result object allocation for await/return in async function.

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Tag #1287
This commit is contained in:
Gaming4JC 2019-12-13 20:59:32 -05:00 • committed by Roy Tam
commit c9f1fa2cda
10 changed files with 39 additions and 138 deletions
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6
js/src/vm/Opcodes.h
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@ -2130,12 +2130,12 @@
*/ \
macro(JSOP_DEBUGAFTERYIELD, 208, "debugafteryield", NULL, 1, 0, 0, JOF_BYTE) \
/*
* Pops the generator and the return value 'result', stops interpretation
* and returns 'result'. Pushes resolved value onto the stack.
* Pops the generator and the return value 'promise', stops interpretation
* and returns 'promise'. Pushes resolved value onto the stack.
* Category: Statements
* Type: Generator
* Operands: uint24_t yieldAndAwaitIndex
* Stack: result, gen => resolved
* Stack: promise, gen => resolved
*/ \
macro(JSOP_AWAIT, 209, "await", NULL, 4, 2, 1, JOF_UINT24) \
macro(JSOP_UNUSED210, 210, "unused210", NULL, 1, 0, 0, JOF_BYTE) \