diff options
Diffstat (limited to 'lib/Target/JSBackend/JSBackend.cpp')
| -rw-r--r-- | lib/Target/JSBackend/JSBackend.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/Target/JSBackend/JSBackend.cpp b/lib/Target/JSBackend/JSBackend.cpp index 984015fffa..11482d2bcd 100644 --- a/lib/Target/JSBackend/JSBackend.cpp +++ b/lib/Target/JSBackend/JSBackend.cpp @@ -44,6 +44,10 @@ using namespace llvm; #include <OptPasses.h> #include <Relooper.h> +#ifdef _MSC_VER +#define snprintf _snprintf +#endif + #define dump(x) fprintf(stderr, x "\n") #define dumpv(x, ...) fprintf(stderr, x "\n", __VA_ARGS__) #define dumpfail(x) { fprintf(stderr, x "\n"); fprintf(stderr, "%s : %d\n", __FILE__, __LINE__); report_fatal_error("fail"); } @@ -965,6 +969,10 @@ bool JSWriter::generateSIMDInstruction(const std::string &iName, const Instructi return false; } +uint64_t LSBMask(unsigned numBits) { + return numBits >= 64 ? 0xFFFFFFFFFFFFFFFFULL : (1ULL << numBits) - 1; +} + // generateInstruction - This member is called for each Instruction in a function. void JSWriter::generateInstruction(const Instruction *I, raw_string_ostream& Code) { std::string iName(getJSName(I)); @@ -1208,7 +1216,7 @@ void JSWriter::generateInstruction(const Instruction *I, raw_string_ostream& Cod case Instruction::Trunc: { //unsigned inBits = V->getType()->getIntegerBitWidth(); unsigned outBits = I->getType()->getIntegerBitWidth(); - Code << getValueAsStr(I->getOperand(0)) + "&" + utostr(pow(2, outBits)-1); + Code << getValueAsStr(I->getOperand(0)) + "&" + utostr(LSBMask(outBits)); break; } case Instruction::SExt: { |