diff options
Diffstat (limited to 'Source/JavaScriptCore/dfg/DFGCapabilities.cpp')
| -rw-r--r-- | Source/JavaScriptCore/dfg/DFGCapabilities.cpp | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/Source/JavaScriptCore/dfg/DFGCapabilities.cpp b/Source/JavaScriptCore/dfg/DFGCapabilities.cpp index a8dec067f..450a5d83e 100644 --- a/Source/JavaScriptCore/dfg/DFGCapabilities.cpp +++ b/Source/JavaScriptCore/dfg/DFGCapabilities.cpp @@ -27,12 +27,23 @@ #include "DFGCapabilities.h" #include "CodeBlock.h" +#include "DFGCommon.h" #include "Interpreter.h" namespace JSC { namespace DFG { #if ENABLE(DFG_JIT) +static inline void debugFail(CodeBlock* codeBlock, OpcodeID opcodeID) +{ +#if DFG_ENABLE(DEBUG_VERBOSE) + dataLog("Cannot handle code block %p because of opcode %s.\n", codeBlock, opcodeNames[opcodeID]); +#else + UNUSED_PARAM(codeBlock); + UNUSED_PARAM(opcodeID); +#endif +} + template<bool (*canHandleOpcode)(OpcodeID)> bool canHandleOpcodes(CodeBlock* codeBlock) { @@ -42,11 +53,13 @@ bool canHandleOpcodes(CodeBlock* codeBlock) for (unsigned bytecodeOffset = 0; bytecodeOffset < instructionCount; ) { switch (interpreter->getOpcodeID(instructionsBegin[bytecodeOffset].u.opcode)) { -#define DEFINE_OP(opcode, length) \ - case opcode: \ - if (!canHandleOpcode(opcode)) \ - return false; \ - bytecodeOffset += length; \ +#define DEFINE_OP(opcode, length) \ + case opcode: \ + if (!canHandleOpcode(opcode)) { \ + debugFail(codeBlock, opcode); \ + return false; \ + } \ + bytecodeOffset += length; \ break; FOR_EACH_OPCODE_ID(DEFINE_OP) #undef DEFINE_OP @@ -61,6 +74,8 @@ bool canHandleOpcodes(CodeBlock* codeBlock) bool canCompileOpcodes(CodeBlock* codeBlock) { + if (!MacroAssembler::supportsFloatingPoint()) + return false; return canHandleOpcodes<canCompileOpcode>(codeBlock); } |