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
8v_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
15i1=1
16
17v_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
20v_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
27v_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
30v_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]
32