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1// RUN: llvm-mc -triple aarch64-none-linux-gnu -mattr=+neon -show-encoding < %s | FileCheck %s2 3// Check that the assembler can handle the documented syntax for AArch644 5 6//------------------------------------------------------------------------------7// Vector Integer Halving Add (Signed)8//------------------------------------------------------------------------------9 shadd v0.8b, v1.8b, v2.8b10 shadd v0.16b, v1.16b, v2.16b11 shadd v0.4h, v1.4h, v2.4h12 shadd v0.8h, v1.8h, v2.8h13 shadd v0.2s, v1.2s, v2.2s14 shadd v0.4s, v1.4s, v2.4s15 16// CHECK: shadd v0.8b, v1.8b, v2.8b // encoding: [0x20,0x04,0x22,0x0e]17// CHECK: shadd v0.16b, v1.16b, v2.16b // encoding: [0x20,0x04,0x22,0x4e]18// CHECK: shadd v0.4h, v1.4h, v2.4h // encoding: [0x20,0x04,0x62,0x0e]19// CHECK: shadd v0.8h, v1.8h, v2.8h // encoding: [0x20,0x04,0x62,0x4e]20// CHECK: shadd v0.2s, v1.2s, v2.2s // encoding: [0x20,0x04,0xa2,0x0e]21// CHECK: shadd v0.4s, v1.4s, v2.4s // encoding: [0x20,0x04,0xa2,0x4e]22 23 24//------------------------------------------------------------------------------25// Vector Integer Halving Add (Unsigned)26//------------------------------------------------------------------------------27 uhadd v0.8b, v1.8b, v2.8b28 uhadd v0.16b, v1.16b, v2.16b29 uhadd v0.4h, v1.4h, v2.4h30 uhadd v0.8h, v1.8h, v2.8h31 uhadd v0.2s, v1.2s, v2.2s32 uhadd v0.4s, v1.4s, v2.4s33 34// CHECK: uhadd v0.8b, v1.8b, v2.8b // encoding: [0x20,0x04,0x22,0x2e]35// CHECK: uhadd v0.16b, v1.16b, v2.16b // encoding: [0x20,0x04,0x22,0x6e]36// CHECK: uhadd v0.4h, v1.4h, v2.4h // encoding: [0x20,0x04,0x62,0x2e]37// CHECK: uhadd v0.8h, v1.8h, v2.8h // encoding: [0x20,0x04,0x62,0x6e]38// CHECK: uhadd v0.2s, v1.2s, v2.2s // encoding: [0x20,0x04,0xa2,0x2e]39// CHECK: uhadd v0.4s, v1.4s, v2.4s // encoding: [0x20,0x04,0xa2,0x6e]40 41//------------------------------------------------------------------------------42// Vector Integer Halving Sub (Signed)43//------------------------------------------------------------------------------44 shsub v0.8b, v1.8b, v2.8b45 shsub v0.16b, v1.16b, v2.16b46 shsub v0.4h, v1.4h, v2.4h47 shsub v0.8h, v1.8h, v2.8h48 shsub v0.2s, v1.2s, v2.2s49 shsub v0.4s, v1.4s, v2.4s50 51// CHECK: shsub v0.8b, v1.8b, v2.8b // encoding: [0x20,0x24,0x22,0x0e]52// CHECK: shsub v0.16b, v1.16b, v2.16b // encoding: [0x20,0x24,0x22,0x4e]53// CHECK: shsub v0.4h, v1.4h, v2.4h // encoding: [0x20,0x24,0x62,0x0e]54// CHECK: shsub v0.8h, v1.8h, v2.8h // encoding: [0x20,0x24,0x62,0x4e]55// CHECK: shsub v0.2s, v1.2s, v2.2s // encoding: [0x20,0x24,0xa2,0x0e]56// CHECK: shsub v0.4s, v1.4s, v2.4s // encoding: [0x20,0x24,0xa2,0x4e]57 58//------------------------------------------------------------------------------59// Vector Integer Halving Sub (Unsigned)60//------------------------------------------------------------------------------61 uhsub v0.8b, v1.8b, v2.8b62 uhsub v0.16b, v1.16b, v2.16b63 uhsub v0.4h, v1.4h, v2.4h64 uhsub v0.8h, v1.8h, v2.8h65 uhsub v0.2s, v1.2s, v2.2s66 uhsub v0.4s, v1.4s, v2.4s67 68// CHECK: uhsub v0.8b, v1.8b, v2.8b // encoding: [0x20,0x24,0x22,0x2e]69// CHECK: uhsub v0.16b, v1.16b, v2.16b // encoding: [0x20,0x24,0x22,0x6e]70// CHECK: uhsub v0.4h, v1.4h, v2.4h // encoding: [0x20,0x24,0x62,0x2e]71// CHECK: uhsub v0.8h, v1.8h, v2.8h // encoding: [0x20,0x24,0x62,0x6e]72// CHECK: uhsub v0.2s, v1.2s, v2.2s // encoding: [0x20,0x24,0xa2,0x2e]73// CHECK: uhsub v0.4s, v1.4s, v2.4s // encoding: [0x20,0x24,0xa2,0x6e]74 75