RN 408 src/arm/constants-arm.h RN = 0 << 22, // Round to Nearest. RN 414 src/arm/constants-arm.h kRoundToNearest = RN, RN 527 src/mips/constants-mips.h RN = 0 << 0, // Round to Nearest. RN 533 src/mips/constants-mips.h kRoundToNearest = RN,