Subversion Repositories openrisc_2011-10-31

.*: Assembler messages:
.*: Warning: Swapping instruction order
.*: Warning: Executing btst in IU in reverse serial may not work
.*: Warning: Executing bclr in IU may not work in parallel execution
.*: Warning: Executing bset in IU may not work
.*: Warning: Swapping instruction order
GAS LISTING .*


   1                    # bittest.s
   2                    #
   3                    # Bit operation instructions \(BCLR, BNOT, BSET, BTST\) should not be placed in IU.
   4                    # If the user specifically indicates they should be in the IU, GAS will
   5                    # generate warnings. The reason why this is not an error is that those instructions 
   6                    # will fail in IU only occasionally. Thus GAS should pack them in MU for
   7                    # safety, and it just needs to draw attention when a violation is given. 
   8                    
   9                            
  10 0000 00F00000              nop -> ldw R1, @\(R2,R3\)
  10      84401083 
  11 0008 04406144              nop || ldw R6, @\(R5,R4\)
.*  Warning:Swapping instruction order
  11      00F00000 
  12                            
  13 0010 00F00000              nop -> BSET R1, R2, R3 
  13      82201083 
  14 0018 80F00000              nop <- BTST F1, R2, R3 
.*  Warning:Executing btst in IU in reverse serial may not work
  14      02001083 
  15 0020 00F00000              nop || BCLR R1, R2, R3
.*  Warning:Executing bclr in IU may not work in parallel execution
  15      02301083 
  16 0028 00F00000              nop -> BNOT R1, R2, R3
  16      82101083 
  17 0030 02101083              BNOT r1, r2, r3 -> nop
  17      80F00000 
  18                            
  19 0038 047C0105              bset r1, r2, r3 || moddec r4, 5
.*  Warning:Swapping instruction order
  19      02201083 
  20                    
  21                            bset r1, r2, r3
  22 0040 02201083              moddec r4, 5
  22      847C0105 
  23                    
  24                            bset r1, r2, r3
  25 0048 02201083              joinll r4, r5, r6
  25      88C04146 
  26                    
  27                            joinll r4, r5, r6
  28 0050 08C04146              bset r1, r2, r3
  28      82201083