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| author | Gaming4JC <g4jc@hyperbola.info> | 2019-12-14 09:22:32 -0500 |
|---|---|---|
| committer | Gaming4JC <g4jc@hyperbola.info> | 2019-12-17 06:25:28 -0500 |
| commit | 3207c8c40957881821b3112961f29473178a4dcb (patch) | |
| tree | 7f60e914b45f30a9e4e585b884cd5ca2d5827055 /js/src/jit/BaselineCompiler.cpp | |
| parent | 769e83126f2d3929e6407476016716d0c7316f87 (diff) | |
| download | uxp-3207c8c40957881821b3112961f29473178a4dcb.tar.gz | |
Bug 1331092 - Part 8: Support JSOP_TOASYNCITER in JIT.
Tag mcp-graveyard/UXP#1287
Diffstat (limited to 'js/src/jit/BaselineCompiler.cpp')
| -rw-r--r-- | js/src/jit/BaselineCompiler.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/jit/BaselineCompiler.cpp b/js/src/jit/BaselineCompiler.cpp index 4f4ca8b892..d254b9826f 100644 --- a/js/src/jit/BaselineCompiler.cpp +++ b/js/src/jit/BaselineCompiler.cpp @@ -3931,6 +3931,28 @@ BaselineCompiler::emit_JSOP_TOASYNCGEN() return true; } +typedef JSObject* (*ToAsyncIterFn)(JSContext*, HandleObject); +static const VMFunction ToAsyncIterInfo = + FunctionInfo<ToAsyncIterFn>(js::CreateAsyncFromSyncIterator, "ToAsyncIter"); + +bool +BaselineCompiler::emit_JSOP_TOASYNCITER() +{ + frame.syncStack(0); + masm.unboxObject(frame.addressOfStackValue(frame.peek(-1)), R0.scratchReg()); + + prepareVMCall(); + pushArg(R0.scratchReg()); + + if (!callVM(ToAsyncIterInfo)) + return false; + + masm.tagValue(JSVAL_TYPE_OBJECT, ReturnReg, R0); + frame.pop(); + frame.push(R0); + return true; +} + typedef bool (*ThrowObjectCoercibleFn)(JSContext*, HandleValue); static const VMFunction ThrowObjectCoercibleInfo = FunctionInfo<ThrowObjectCoercibleFn>(ThrowObjectCoercible, "ThrowObjectCoercible"); |