Subversion Repositories openrisc_2011-10-31

#objdump: -dr
#name: arithmetic
.*: +file format .*


Disassembly of section .text:

00000000 <abs>:
   0:   10 c4 [0-3][[:xdigit:]] 00      A0 = ABS A0;
   4:   10 c4 [0-3][[:xdigit:]] 40      A0 = ABS A1;
   8:   30 c4 [0-3][[:xdigit:]] 00      A1 = ABS A0;
   c:   30 c4 [0-3][[:xdigit:]] 40      A1 = ABS A1;
  10:   10 c4 [0-3][[:xdigit:]] c0      A1 = ABS A0, A0 = ABS A0;
  14:   07 c4 10 80     R0 = ABS R2;

00000018 <add>:
  18:   86 5b           SP = SP \+ P0;
  1a:   96 5b           SP = SP \+ P2;
  1c:   f9 5b           FP = P1 \+ FP;
  1e:   04 c4 3a 0e     R7 = R7 \+ R2 \(NS\);
  22:   04 c4 30 2c     R6 = R6 \+ R0 \(S\);
  26:   02 c4 10 a8     R4.L = R2.H \+ R0.L \(S\);
  2a:   22 c4 09 aa     R5.H = R1.H \+ R1.L \(S\);
  2e:   02 c4 35 0c     R6.L = R6.L \+ R5.L \(NS\);

00000032 <add_sub_prescale_down>:
  32:   05 c4 01 98     R4.L = R0 \+ R1 \(RND20\);
  36:   25 c4 28 96     R3.H = R5 \+ R0 \(RND20\);
  3a:   05 c4 3d d2     R1.L = R7 - R5 \(RND20\);

0000003e <add_sub_prescale_up>:
  3e:   05 c4 01 04     R2.L = R0 \+ R1 \(RND12\);
  42:   25 c4 3e 0e     R7.H = R7 \+ R6 \(RND12\);
  46:   05 c4 1a 4a     R5.L = R3 - R2 \(RND12\);
  4a:   25 c4 0a 44     R2.H = R1 - R2 \(RND12\);

0000004e <add_immediate>:
  4e:   05 66           R5 \+= -0x40;.*
  50:   fa 65           R2 \+= 0x3f;.*
  52:   60 9f           I0 \+= 0x2;.*
  54:   63 9f           I3 \+= 0x2;.*
  56:   6a 9f           I2 \+= 0x4;.*
  58:   69 9f           I1 \+= 0x4;.*
  5a:   20 6c           P0 \+= 0x4;.*
  5c:   86 6c           SP \+= 0x10;.*
  5e:   07 6f           FP \+= -0x20;.*

00000060 <divide_primitive>:
  60:   6b 42           DIVS \(R3, R5\);
  62:   2b 42           DIVQ \(R3, R5\);

00000064 <expadj>:
  64:   07 c6 25 0c     R6.L = EXPADJ \(R5, R4.L\);
  68:   07 c6 08 ca     R5.L = EXPADJ \(R0.H, R1.L\);
  6c:   07 c6 2b 48     R4.L = EXPADJ \(R3, R5.L\) \(V\);

00000070 <max>:
  70:   07 c4 2a 0c     R6 = MAX \(R5, R2\);
  74:   07 c4 0b 00     R0 = MAX \(R1, R3\);

00000078 <min>:
  78:   07 c4 13 4a     R5 = MIN \(R2, R3\);
  7c:   07 c4 38 48     R4 = MIN \(R7, R0\);

00000080 <modify_decrement>:
  80:   0b c4 [0-3][[:xdigit:]] c0      A0 -= A1;
  84:   0b c4 [0-3][[:xdigit:]] e0      A0 -= A1 \(W32\);
  88:   17 44           FP -= P2;
  8a:   06 44           SP -= P0;
  8c:   73 9e           I3 -= M0;
  8e:   75 9e           I1 -= M1;

00000090 <modify_increment>:
  90:   0b c4 [0-3][[:xdigit:]] 80      A0 \+= A1;
  94:   0b c4 [0-3][[:xdigit:]] a0      A0 \+= A1 \(W32\);
  98:   4e 45           SP \+= P1 \(BREV\);
  9a:   7d 45           P5 \+= FP \(BREV\);
  9c:   6a 9e           I2 \+= M2;
  9e:   e0 9e           I0 \+= M0 \(BREV\);
  a0:   0b c4 [0-3][[:xdigit:]] 0e      R7 = \(A0 \+= A1\);
  a4:   0b c4 [0-3][[:xdigit:]] 4c      R6.L = \(A0 \+= A1\);
  a8:   2b c4 [0-3][[:xdigit:]] 40      R0.H = \(A0 \+= A1\);

000000ac <multiply16>:
  ac:   00 c2 0a 24     R0 = R1.H \* R2.L;
  b0:   20 c2 68 26     R1 = R5.H \* R0.H \(S2RND\);
  b4:   80 c2 db 23     R7 = R3.L \* R3.H \(FU\);
  b8:   28 c3 15 27     R4 = R2.H \* R5.H \(ISS2\);
  bc:   08 c3 0b 20     R0 = R1.L \* R3.L \(IS\);
  c0:   08 c2 a8 25     R6 = R5.H \* R0.L;
  c4:   94 c3 be 40     R2.H = R7.L \* R6.H \(M, IU\);
  c8:   04 c2 e8 80     R3.H = R5.H \* R0.L;
  cc:   14 c2 09 40     R0.H = R1.L \* R1.H \(M\);
  d0:   1c c3 3e 80     R1 = R7.H \* R6.L \(M, IS\);
  d4:   0c c2 02 41     R5 = R0.L \* R2.H;
  d8:   1c c2 b0 c0     R3 = R6.H \* R0.H \(M\);

000000dc <multiply32>:
  dc:   c4 40           R4 \*= R0;
  de:   d7 40           R7 \*= R2;

000000e0 <multiply_accumulate>:
  e0:   63 c0 2f 02     A0 = R5.L \* R7.H \(W32\);
  e4:   03 c0 00 04     A0 = R0.H \* R0.L;
  e8:   83 c0 13 0a     A0 \+= R2.L \* R3.H \(FU\);
  ec:   03 c0 21 0c     A0 \+= R4.H \* R1.L;
  f0:   03 c1 3e 12     A0 -= R7.L \* R6.H \(IS\);
  f4:   03 c0 2a 16     A0 -= R5.H \* R2.H;
  f8:   10 c0 08 58     A1 = R1.L \* R0.H \(M\);
  fc:   00 c0 10 98     A1 = R2.H \* R0.L;
 100:   70 c0 3e 98     A1 = R7.H \* R6.L \(M, W32\);
 104:   81 c0 1a 18     A1 \+= R3.L \* R2.L \(FU\);
 108:   01 c0 31 98     A1 \+= R6.H \* R1.L;
 10c:   02 c1 03 58     A1 -= R0.L \* R3.H \(IS\);
 110:   02 c0 17 58     A1 -= R2.L \* R7.H;

00000114 <multiply_accumulate_half>:
 114:   03 c0 f5 25     R7.L = \(A0 = R6.H \* R5.L\);
 118:   c3 c0 0a 24     R0.L = \(A0 = R1.H \* R2.L\) \(TFU\);
 11c:   03 c0 ac 28     R2.L = \(A0 \+= R5.L \* R4.L\);
 120:   43 c0 fe 2e     R3.L = \(A0 \+= R7.H \* R6.H\) \(T\);
 124:   03 c0 1a 36     R0.L = \(A0 -= R3.H \* R2.H\);
 128:   63 c1 6c 30     R1.L = \(A0 -= R5.L \* R4.L\) \(IH\);
 12c:   04 c0 48 58     R1.H = \(A1 = R1.L \* R0.H\);
 130:   34 c1 83 98     R2.H = \(A1 = R0.H \* R3.L\) \(M, ISS2\);
 134:   05 c0 bf 59     R6.H = \(A1 \+= R7.L \* R7.H\);
 138:   25 c0 d3 19     R7.H = \(A1 \+= R2.L \* R3.L\) \(S2RND\);
 13c:   06 c0 a2 d9     R6.H = \(A1 -= R4.H \* R2.H\);
 140:   d6 c0 5f 99     R5.H = \(A1 -= R3.H \* R7.L\) \(M, TFU\);

00000144 <multiply_accumulate_data_reg>:
 144:   0b c0 0a 20     R0 = \(A0 = R1.L \* R2.L\);
 148:   0b c1 8a 20     R2 = \(A0 = R1.L \* R2.L\) \(IS\);
 14c:   0b c0 3e 2d     R4 = \(A0 \+= R7.H \* R6.L\);
 150:   2b c0 ab 2b     R6 = \(A0 \+= R5.L \* R3.H\) \(S2RND\);
 154:   0b c0 97 35     R6 = \(A0 -= R2.H \* R7.L\);
 158:   8b c0 06 33     R4 = \(A0 -= R0.L \* R6.H\) \(FU\);
 15c:   0c c0 81 99     R7 = \(A1 = R0.H \* R1.L\);
 160:   9c c0 13 d9     R5 = \(A1 = R2.H \* R3.H\) \(M, FU\);
 164:   0d c0 bd 18     R3 = \(A1 \+= R7.L \* R5.L\);
 168:   2d c1 17 d8     R1 = \(A1 \+= R2.H \* R7.H\) \(ISS2\);
 16c:   0e c0 80 58     R3 = \(A1 -= R0.L \* R0.H\);
 170:   1e c1 17 59     R5 = \(A1 -= R2.L \* R7.H\) \(M, IS\);
 174:   0d c0 8b d9     R7 = \(A1 \+= R1.H \* R3.H\);

00000178 <negate>:
 178:   85 43           R5 = -R0;
 17a:   07 c4 10 ee     R7 = -R2 \(S\);
 17e:   07 c4 10 ce     R7 = -R2 \(NS\);
 182:   0e c4 [0-3][[:xdigit:]] 00      A0 = -A0;
 186:   0e c4 [0-3][[:xdigit:]] 40      A0 = -A1;
 18a:   2e c4 [0-3][[:xdigit:]] 00      A1 = -A0;
 18e:   2e c4 [0-3][[:xdigit:]] 40      A1 = -A1;
 192:   0e c4 [0-3][[:xdigit:]] c0      A1 = -A1, A0 = -A0;

00000196 <round_half>:
 196:   0c c4 18 ca     R5.L = R3 \(RND\);
 19a:   2c c4 00 cc     R6.H = R0 \(RND\);

0000019e <saturate>:
 19e:   08 c4 [0-3][[:xdigit:]] 20      A0 = A0 \(S\);
 1a2:   08 c4 [0-3][[:xdigit:]] 60      A1 = A1 \(S\);
 1a6:   08 c4 [0-3][[:xdigit:]] a0      A1 = A1 \(S\), A0 = A0 \(S\);

000001aa <signbits>:
 1aa:   05 c6 00 0a     R5.L = SIGNBITS R0;
 1ae:   05 c6 07 80     R0.L = SIGNBITS R7.H;
 1b2:   06 c6 00 06     R3.L = SIGNBITS A0;
 1b6:   06 c6 00 4e     R7.L = SIGNBITS A1;

000001ba <subtract>:
 1ba:   43 53           R5 = R3 - R0;
 1bc:   04 c4 38 6e     R7 = R7 - R0 \(S\);
 1c0:   04 c4 11 46     R3 = R2 - R1 \(NS\);
 1c4:   03 c4 37 ea     R5.L = R6.H - R7.H \(S\);
 1c8:   23 c4 1b 40     R0.H = R3.L - R3.H \(NS\);

000001cc <subtract_immediate>:
 1cc:   66 9f           I2 -= 0x2;.*
 1ce:   6c 9f           I0 -= 0x4;.*