Home | History | Annotate | Download | only in AMDGPU 
      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]
     36