diff options
| -rw-r--r-- | js/src/frontend/BytecodeEmitter.cpp | 9 | ||||
| -rw-r--r-- | js/src/frontend/BytecodeEmitter.h | 2 | ||||
| -rw-r--r-- | js/src/jit/BaselineCompiler.cpp | 6 | ||||
| -rw-r--r-- | js/src/jit/BaselineCompiler.h | 1 | ||||
| -rw-r--r-- | js/src/jit/IonBuilder.cpp | 2 | ||||
| -rw-r--r-- | js/src/vm/Interpreter.cpp | 2 | ||||
| -rw-r--r-- | js/src/vm/Opcodes.h | 12 |
7 files changed, 25 insertions, 9 deletions
diff --git a/js/src/frontend/BytecodeEmitter.cpp b/js/src/frontend/BytecodeEmitter.cpp index 7f9fa8a5d..ea6baeec7 100644 --- a/js/src/frontend/BytecodeEmitter.cpp +++ b/js/src/frontend/BytecodeEmitter.cpp @@ -9192,7 +9192,7 @@ BytecodeEmitter::emitCallOrNew(ParseNode* pn) return false; } - if (!emitArray(args, argc)) + if (!emitArray(args, argc, JSOP_SPREADCALLARRAY)) return false; if (optCodeEmitted) { @@ -9683,11 +9683,11 @@ BytecodeEmitter::emitArrayLiteral(ParseNode* pn) } } - return emitArray(pn->pn_head, pn->pn_count); + return emitArray(pn->pn_head, pn->pn_count, JSOP_NEWARRAY); } bool -BytecodeEmitter::emitArray(ParseNode* pn, uint32_t count) +BytecodeEmitter::emitArray(ParseNode* pn, uint32_t count, JSOp op) { /* @@ -9698,6 +9698,7 @@ BytecodeEmitter::emitArray(ParseNode* pn, uint32_t count) * to avoid dup'ing and popping the array as each element is added, as * JSOP_SETELEM/JSOP_SETPROP would do. */ + MOZ_ASSERT(op == JSOP_NEWARRAY || op == JSOP_SPREADCALLARRAY); uint32_t nspread = 0; for (ParseNode* elt = pn; elt; elt = elt->pn_next) { @@ -9718,7 +9719,7 @@ BytecodeEmitter::emitArray(ParseNode* pn, uint32_t count) // For arrays with spread, this is a very pessimistic allocation, the // minimum possible final size. - if (!emitUint32Operand(JSOP_NEWARRAY, count - nspread)) // ARRAY + if (!emitUint32Operand(op, count - nspread)) // ARRAY return false; ParseNode* pn2 = pn; diff --git a/js/src/frontend/BytecodeEmitter.h b/js/src/frontend/BytecodeEmitter.h index 29050c846..814fa11d4 100644 --- a/js/src/frontend/BytecodeEmitter.h +++ b/js/src/frontend/BytecodeEmitter.h @@ -521,7 +521,7 @@ struct MOZ_STACK_CLASS BytecodeEmitter MOZ_MUST_USE bool emitAtomOp(ParseNode* pn, JSOp op); MOZ_MUST_USE bool emitArrayLiteral(ParseNode* pn); - MOZ_MUST_USE bool emitArray(ParseNode* pn, uint32_t count); + MOZ_MUST_USE bool emitArray(ParseNode* pn, uint32_t count, JSOp op); MOZ_MUST_USE bool emitArrayComp(ParseNode* pn); MOZ_MUST_USE bool emitInternedScopeOp(uint32_t index, JSOp op); diff --git a/js/src/jit/BaselineCompiler.cpp b/js/src/jit/BaselineCompiler.cpp index 6b64bfb44..93e3759b9 100644 --- a/js/src/jit/BaselineCompiler.cpp +++ b/js/src/jit/BaselineCompiler.cpp @@ -2049,6 +2049,12 @@ BaselineCompiler::emit_JSOP_NEWARRAY() return true; } +bool +BaselineCompiler::emit_JSOP_SPREADCALLARRAY() +{ + return emit_JSOP_NEWARRAY(); +} + typedef ArrayObject* (*NewArrayCopyOnWriteFn)(JSContext*, HandleArrayObject, gc::InitialHeap); const VMFunction jit::NewArrayCopyOnWriteInfo = FunctionInfo<NewArrayCopyOnWriteFn>(js::NewDenseCopyOnWriteArray, "NewDenseCopyOnWriteArray"); diff --git a/js/src/jit/BaselineCompiler.h b/js/src/jit/BaselineCompiler.h index 910a52980..6b5bf009e 100644 --- a/js/src/jit/BaselineCompiler.h +++ b/js/src/jit/BaselineCompiler.h @@ -100,6 +100,7 @@ namespace jit { _(JSOP_BITNOT) \ _(JSOP_NEG) \ _(JSOP_NEWARRAY) \ + _(JSOP_SPREADCALLARRAY) \ _(JSOP_NEWARRAY_COPYONWRITE) \ _(JSOP_INITELEM_ARRAY) \ _(JSOP_NEWOBJECT) \ diff --git a/js/src/jit/IonBuilder.cpp b/js/src/jit/IonBuilder.cpp index fc864a197..3d964d1c6 100644 --- a/js/src/jit/IonBuilder.cpp +++ b/js/src/jit/IonBuilder.cpp @@ -2218,8 +2218,6 @@ IonBuilder::inspectOpcode(JSOp op) // update that stale value. #endif default: - // Any unused opcodes and JSOP_LIMIT will end up here without having - // to explicitly specify break; } diff --git a/js/src/vm/Interpreter.cpp b/js/src/vm/Interpreter.cpp index 74a1ef3e9..f4f6c0da4 100644 --- a/js/src/vm/Interpreter.cpp +++ b/js/src/vm/Interpreter.cpp @@ -1916,7 +1916,6 @@ CASE(EnableInterruptsPseudoOpcode) /* Various 1-byte no-ops. */ CASE(JSOP_NOP) CASE(JSOP_NOP_DESTRUCTURING) -CASE(JSOP_UNUSED126) CASE(JSOP_UNUSED192) CASE(JSOP_UNUSED209) CASE(JSOP_UNUSED210) @@ -3637,6 +3636,7 @@ CASE(JSOP_NEWINIT) END_CASE(JSOP_NEWINIT) CASE(JSOP_NEWARRAY) +CASE(JSOP_SPREADCALLARRAY) { uint32_t length = GET_UINT32(REGS.pc); JSObject* obj = NewArrayOperation(cx, script, REGS.pc, length); diff --git a/js/src/vm/Opcodes.h b/js/src/vm/Opcodes.h index 095ef57ae..4b044c8d8 100644 --- a/js/src/vm/Opcodes.h +++ b/js/src/vm/Opcodes.h @@ -1281,7 +1281,17 @@ * Stack: receiver, obj, propval => obj[propval] */ \ macro(JSOP_GETELEM_SUPER, 125, "getelem-super", NULL, 1, 3, 1, JOF_BYTE |JOF_ELEM|JOF_LEFTASSOC) \ - macro(JSOP_UNUSED126, 126, "unused126", NULL, 5, 0, 1, JOF_UINT32) \ + /* + * Pushes newly created array for a spread call onto the stack. This has + * the same semantics as JSOP_NEWARRAY, but is distinguished to avoid + * using unboxed arrays in spread calls, which would make compiling spread + * calls in baseline more complex. + * Category: Literals + * Type: Array + * Operands: uint32_t length + * Stack: => obj + */ \ + macro(JSOP_SPREADCALLARRAY, 126, "spreadcallarray", NULL, 5, 0, 1, JOF_UINT32) \ \ /* * Defines the given function on the current scope. |