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Lines Matching defs:rex

98   uint8_t rex() const {
117 && (reg.NeedsRex() == ((rex_ & 1) != 0)); // REX.000B bits match.
131 rex_ |= 0x41; // REX.000B
141 rex_ |= 0x41; // REX.000B
144 rex_ |= 0x42; // REX.00X0
918 // If any input is not false, output the necessary rex prefix.
921 // Emit a rex prefix byte if necessary for reg. ie if reg is a register in the range R8 to R15.
931 // Emit a REX.W prefix plus necessary register bit encodings.
941 // Emit a REX prefix to normalize byte registers plus necessary register bit encodings.