test/MC/Mips/hilo-addressing.s

   1 # RUN: llvm-mc -show-encoding -triple mips-unknown-unknown %s \
   2 # RUN:  | FileCheck %s -check-prefix=CHECK-ENC
   3
   4 # RUN: llvm-mc -filetype=obj -triple=mipsel-unknown-linux %s \
   5 # RUN:  | llvm-objdump -disassemble - | FileCheck %s -check-prefix=CHECK-INSTR
   6
   7 # RUN: llvm-mc -filetype=obj -triple=mipsel-unknown-linux %s \
   8 # RUN:  | llvm-readobj -r | FileCheck %s -check-prefix=CHECK-REL
   9
  10
  11 # Check that 1 is added to the high 16 bits if bit 15 of the low part is 1.
  12
  13         .equ    addr, 0xdeadbeef
  14         lui     $4, %hi(addr)
  15         lb      $2, %lo(addr)($4)
  16 # CHECK-ENC: # encoding: [0x3c,0x04,0xde,0xae]
  17 # CHECK-ENC: # encoding: [0x80,0x82,0xbe,0xef]
  18
  19
  20 # Check that assembler can handle %hi(label1 - label2) and %lo(label1 - label2)
  21 # expressions.
  22
  23 $L1:
  24         # Emit zeros so that difference between $L3 and $L1 is 0x30124 bytes.
  25         .fill 0x30124-8
  26 $L2:
  27         lui     $4, %hi($L3-$L1)
  28         addiu   $4, $4, %lo($L3-$L1)
  29 # CHECK-INSTR:    lui     $4, 3
  30 # CHECK-INSTR:    addiu   $4, $4, 292
  31
  32 $L3:
  33         lui     $5, %hi($L2-$L3)
  34         lw      $5, %lo($L2-$L3)($5)
  35 # CHECK-INSTR:    lui     $5, 0
  36 # CHECK-INSTR:    lw      $5, -8($5)
  37
  38
  39 # Check that relocation isn't emitted for %hi(label1 - label2) and
  40 # %lo(label1 - label2) expressions.
  41
  42 # CHECK-REL-NOT:    R_MIPS