test/MC/ARM/ldrd-strd-gnu-sp.s

   1 // PR19320
   2 // RUN: not llvm-mc -triple=armv7a-linux-gnueabi -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=V7
   3 // RUN:     llvm-mc -triple=armv8a-linux-gnueabi -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=V8
   4   .text
   5
   6 // This tries to use the GNU ldrd/strd alias to create an ldrd/strd instruction
   7 // using the sp register. This is valid for V8, but not earlier architectures.
   8
   9   .arm
  10
  11 // V7: error: invalid instruction
  12 // V8: ldrd    r12, sp, [r0, #32]      @ encoding: [0xd0,0xc2,0xc0,0xe1]
  13         ldrd    r12, [r0, #32]
  14
  15 // V7: error: invalid instruction
  16 // V8: strd    r12, sp, [r0, #32]      @ encoding: [0xf0,0xc2,0xc0,0xe1]
  17         strd    r12, [r0, #32]
  18
  19   .thumb
  20
  21 // V7: error: invalid instruction
  22 // V8: ldrd    r12, sp, [r0, #32]      @ encoding: [0xd0,0xe9,0x08,0xcd]
  23         ldrd    r12, [r0, #32]
  24
  25 // V7: error: invalid instruction
  26 // V8: strd    r12, sp, [r0, #32]      @ encoding: [0xc0,0xe9,0x08,0xcd]
  27         strd    r12, [r0, #32]