test/MC/AMDGPU/expressions-gfx9.s

   1 // RUN: not llvm-mc -arch=amdgcn -mcpu=gfx900 -show-encoding %s | FileCheck %s --check-prefix=GFX9
   2 // RUN: not llvm-mc -arch=amdgcn -mcpu=gfx900 -show-encoding %s 2>&1 | FileCheck %s --check-prefix=NOGFX9
   3
   4 //===----------------------------------------------------------------------===//
   5 // Relocatable expressions cannot be used with SDWA modifiers.
   6 //===----------------------------------------------------------------------===//
   7
   8 v_mov_b32_sdwa v1, sext(u)
   9 // NOGFX9: error: expected an absolute expression
  10
  11 //===----------------------------------------------------------------------===//
  12 // Constant expressions may be used with 'sext' modifier
  13 //===----------------------------------------------------------------------===//
  14
  15 i1=1
  16
  17 v_mov_b32_sdwa v1, sext(i1-2)
  18 // GFX9: v_mov_b32_sdwa v1, sext(-1) dst_sel:DWORD dst_unused:UNUSED_PRESERVE src0_sel:DWORD ; encoding: [0xf9,0x02,0x02,0x7e,0xc1,0x16,0x8e,0x00]
  19
  20 v_mov_b32_sdwa v1, sext(-2+i1)
  21 // GFX9: v_mov_b32_sdwa v1, sext(-1) dst_sel:DWORD dst_unused:UNUSED_PRESERVE src0_sel:DWORD ; encoding: [0xf9,0x02,0x02,0x7e,0xc1,0x16,0x8e,0x00]
  22
  23 //===----------------------------------------------------------------------===//
  24 // Constant expressions may be used with op_sel* and neg_* modifiers.
  25 //===----------------------------------------------------------------------===//
  26
  27 v_pk_add_u16 v1, v2, v3 op_sel:[2-i1,i1-1]
  28 // GFX9: v_pk_add_u16 v1, v2, v3 op_sel:[1,0] ; encoding: [0x01,0x08,0x8a,0xd3,0x02,0x07,0x02,0x18]
  29
  30 v_pk_add_u16 v1, v2, v3 neg_lo:[2-i1,i1-1]
  31 // GFX9: v_pk_add_u16 v1, v2, v3 neg_lo:[1,0] ; encoding: [0x01,0x00,0x8a,0xd3,0x02,0x07,0x02,0x38]