434   int RegisterFPUInstruction(int escape_opcode, byte modrm_byte);
839   byte modrm_byte = *(data+1);  in FPUInstruction()  local
841   if (modrm_byte >= 0xC0) {  in FPUInstruction()
842     return RegisterFPUInstruction(escape_opcode, modrm_byte);  in FPUInstruction()
844     return MemoryFPUInstruction(escape_opcode, modrm_byte, data+1);  in FPUInstruction()
849                                            int modrm_byte,  in MemoryFPUInstruction()  argument
852   int regop = (modrm_byte >> 3) & 0x7;  // reg/op field of modrm byte.  in MemoryFPUInstruction()
893                                              byte modrm_byte) {  in RegisterFPUInstruction()  argument
903       switch (modrm_byte & 0xF8) {  in RegisterFPUInstruction()
913           switch (modrm_byte) {  in RegisterFPUInstruction()
937       if (modrm_byte == 0xE9) {  in RegisterFPUInstruction()
945       if ((modrm_byte & 0xF8) == 0xE8) {  in RegisterFPUInstruction()
948       } else if (modrm_byte  == 0xE2) {  in RegisterFPUInstruction()
957       switch (modrm_byte & 0xF8) {  in RegisterFPUInstruction()
968       switch (modrm_byte & 0xF8) {  in RegisterFPUInstruction()
976       if (modrm_byte  == 0xD9) {  in RegisterFPUInstruction()
980         switch (modrm_byte & 0xF8) {  in RegisterFPUInstruction()
991       if (modrm_byte == 0xE0) {  in RegisterFPUInstruction()
993       } else if ((modrm_byte & 0xF8) == 0xE8) {  in RegisterFPUInstruction()
1003     AppendToBuffer("%s st%d", mnem, modrm_byte & 0x7);  in RegisterFPUInstruction()