test/MC/AMDGPU/macro-examples.s

   1 // RUN: llvm-mc -arch=amdgcn -mcpu=fiji %s | FileCheck %s --check-prefix=VI
   2
   3 //===----------------------------------------------------------------------===//
   4 // Example of reg[expr] and reg[epxr1:expr2] syntax in macros.
   5 //===----------------------------------------------------------------------===//
   6
   7 .macro REG_NUM_EXPR_EXAMPLE width iter iter_end
   8     .if \width == 4
   9       flat_load_dwordx4   v[8 + (\iter * 4):8 + (\iter * 4) + 3], v[2:3]
  10     .else
  11       flat_load_dword     v[8 + \iter], v[2:3]
  12     .endif
  13
  14     .if (\iter_end - \iter)
  15       REG_NUM_EXPR_EXAMPLE \width, (\iter + 1), \iter_end
  16     .endif
  17  .endm
  18
  19 REG_NUM_EXPR_EXAMPLE 4, 0, 0
  20 // VI:   flat_load_dwordx4 v[8:11], v[2:3]
  21
  22 REG_NUM_EXPR_EXAMPLE 1, 0, 0
  23 // VI:   flat_load_dword v8, v[2:3]
  24
  25 REG_NUM_EXPR_EXAMPLE 4, 1, 4
  26 // VI:   flat_load_dwordx4 v[12:15], v[2:3]
  27 // VI:   flat_load_dwordx4 v[16:19], v[2:3]
  28 // VI:   flat_load_dwordx4 v[20:23], v[2:3]
  29 // VI:   flat_load_dwordx4 v[24:27], v[2:3]
  30
  31 REG_NUM_EXPR_EXAMPLE 1, 1, 4
  32 // VI:   flat_load_dword v9, v[2:3]
  33 // VI:   flat_load_dword v10, v[2:3]
  34 // VI:   flat_load_dword v11, v[2:3]
  35 // VI:   flat_load_dword v12, v[2:3]