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author | Moonchild <moonchild@palemoon.org> | 2022-05-21 16:38:37 +0000 |
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committer | Moonchild <moonchild@palemoon.org> | 2022-05-21 16:38:37 +0000 |
commit | 2694995e52a0bd767acac74f2306767d0a3720c9 (patch) | |
tree | d2a1198ccd0b8eab1b0b589b6900845aa3b87d5b /js/src/jit/BaselineCompiler.cpp | |
parent | f532bbd7af98d2cb543bf86b93b0e0e9fa1e9b2a (diff) | |
parent | 00c51f75fa4845f348708a796d552ca281f8210a (diff) | |
download | uxp-2694995e52a0bd767acac74f2306767d0a3720c9.tar.gz |
Merge branch 'master' into 12101210
Diffstat (limited to 'js/src/jit/BaselineCompiler.cpp')
-rw-r--r-- | js/src/jit/BaselineCompiler.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/jit/BaselineCompiler.cpp b/js/src/jit/BaselineCompiler.cpp index fd85ec00ed..53254718c0 100644 --- a/js/src/jit/BaselineCompiler.cpp +++ b/js/src/jit/BaselineCompiler.cpp @@ -1253,6 +1253,25 @@ BaselineCompiler::emit_JSOP_IFNE() } bool +BaselineCompiler::emit_JSOP_COALESCE() { + // COALESCE leaves the original value on the stack. + frame.syncStack(0); + + masm.loadValue(frame.addressOfStackValue(frame.peek(-1)), R0); + + Label undefinedOrNull; + + masm.branchTestUndefined(Assembler::Equal, R0, &undefinedOrNull); + masm.branchTestNull(Assembler::Equal, R0, &undefinedOrNull); + + jsbytecode* target = pc + GET_JUMP_OFFSET(pc); + masm.jump(labelOf(target)); + + masm.bind(&undefinedOrNull); + return true; +} + +bool BaselineCompiler::emitAndOr(bool branchIfTrue) { bool knownBoolean = frame.peek(-1)->isKnownBoolean(); |