Lines Matching defs:primary_opcode

99 /// primary_opcode
112   uint8_t primary_opcode;
122 ///    Contains primary_opcode byte, its length, and ModR/M byte.
131   uint8_t opcode = opcode_and_modrm.primary_opcode;
259 ///    primary_opcode, opcode_len and modrm byte. Refer to the struct definition
269   // In most cases, the primary_opcode is the first byte of the instruction
277     ret.primary_opcode = inst_bytes[op_idx];
278     switch (ret.primary_opcode) {
327       ret.primary_opcode = inst_bytes[op_idx + 2];
337       ret.primary_opcode = inst_bytes[op_idx + 3];
348       ret.primary_opcode = inst_bytes[op_idx + 4];
358   ret.primary_opcode = inst_bytes[op_idx];
363   if (ret.primary_opcode == 0x0F) {
364     ret.primary_opcode = inst_bytes[++op_idx]; // get the next byte
366     if (ret.primary_opcode == 0x38) {
368       ret.primary_opcode = inst_bytes[++op_idx]; // get the next byte
370     } else if (ret.primary_opcode == 0x3A) {
372       ret.primary_opcode = inst_bytes[++op_idx];
374     } else if ((ret.primary_opcode & 0xf8) == 0x38) {
376       ret.primary_opcode = inst_bytes[++op_idx];
378     } else if (ret.primary_opcode == 0x0F) {
400   // Opcode bytes will be decoded into primary_opcode, modrm and opcode length.