test/MC/AMDGPU/expressions.s

   1 // RUN: llvm-mc -arch=amdgcn -mcpu=fiji -show-encoding %s | FileCheck %s --check-prefix=VI
   2
   3
   4 .globl global
   5 .globl gds
   6
   7 // Parse a global expression
   8 s_mov_b32 s0, global
   9 // VI: s_mov_b32 s0, global ; encoding: [0xff,0x00,0x80,0xbe,A,A,A,A]
  10 // VI-NEXT: ;   fixup A - offset: 4, value: global, kind: FK_PCRel_4
  11
  12 // Use a token with the same name as a global
  13 ds_gws_init v2 gds
  14 // VI: ds_gws_init v2 gds ; encoding: [0x00,0x00,0x33,0xd9,0x00,0x02,0x00,0x00]
  15
  16 // Use a global with the same name as a token
  17 s_mov_b32 s0, gds
  18 // VI: s_mov_b32 s0, gds ; encoding: [0xff,0x00,0x80,0xbe,A,A,A,A]
  19 // VI-NEXT: ;   fixup A - offset: 4, value: gds, kind: FK_PCRel_4
  20
  21 // Use a binary expression
  22 s_mov_b32 s0, gds+4
  23 // VI: s_mov_b32 s0, gds+4 ; encoding: [0xff,0x00,0x80,0xbe,A,A,A,A]
  24 // VI-NEXT: ;   fixup A - offset: 4, value: gds+4, kind: FK_PCRel_4
  25
  26 // Consecutive instructions with no blank line in between to make sure we
  27 // don't call Lex() too many times.
  28 s_add_u32 s0, s0, global+4
  29 s_addc_u32 s1, s1, 0
  30 // VI: s_add_u32 s0, s0, global+4
  31 // VI: s_addc_u32 s1, s1, 0
  32
  33 // Use a computed expression that results in an inline immediate.
  34 .set foo, 4
  35 s_mov_b32 s0, foo+2
  36 // VI: s_mov_b32 s0, 6 ; encoding: [0x86,0x00,0x80,0xbe]
  37
  38 // Use a computed expression that results in a non-inline immediate.
  39 .set foo, 512
  40 s_mov_b32 s0, foo+2
  41 // VI: s_mov_b32 s0, 514 ; encoding: [0xff,0x00,0x80,0xbe,0x02,0x02,0x00,0x00]
  42
  43 v_mul_f32 v0, foo+2, v2
  44 // VI: v_mul_f32_e32 v0, 514, v2 ; encoding: [0xff,0x04,0x00,0x0a,0x02,0x02,0x00,0x00]
  45
  46 BB1:
  47 v_nop_e64
  48 BB2:
  49 s_sub_u32 vcc_lo, vcc_lo, (BB2+4)-BB1
  50 // VI: s_sub_u32 vcc_lo, vcc_lo, (BB2+4)-BB1 ; encoding: [0x6a,0xff,0xea,0x80,A,A,A,A]
  51 // VI-NEXT: ;   fixup A - offset: 4, value: (BB2+4)-BB1, kind: FK_Data_4
  52
  53 t=1
  54 s_sub_u32 s0, s0, -t
  55 // VI: s_sub_u32 s0, s0, -1            ; encoding: [0x00,0xc1,0x80,0x80]
  56
  57 t=-1
  58 s_sub_u32 s0, s0, -t
  59 // VI: s_sub_u32 s0, s0, 1             ; encoding: [0x00,0x81,0x80,0x80]