3.2.13 Force Execution Instruction Register 1

Name: FEX
Offset: 0x0030

Bit 3130292827262524 
 FEX[31:24] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 
Bit 2322212019181716 
 FEX[23:16] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 
Bit 15141312111098 
 FEX[15:8] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 
Bit 76543210 
 FEX[7:0] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000001 

Bits 31:0 – FEX[31:0] Force Execution Instruction bits

For two-word operations, FEX contains the first instruction to be executed using the UFEX instruction. FEX is only visible as a R/W register in Debug mode. In all other operating modes, it is read-only for all 0’s.