1 // RUN: llvm-mc -triple=aarch64 -show-encoding -mattr=+sve < %s \ 2 // RUN: | FileCheck %s --check-prefixes=CHECK-ENCODING,CHECK-INST 3 // RUN: not llvm-mc -triple=aarch64 -show-encoding < %s 2>&1 \ 4 // RUN: | FileCheck %s --check-prefix=CHECK-ERROR 5 // RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \ 6 // RUN: | llvm-objdump -d -mattr=+sve - | FileCheck %s --check-prefix=CHECK-INST 7 // RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \ 8 // RUN: | llvm-objdump -d - | FileCheck %s --check-prefix=CHECK-UNKNOWN 9 10 // This test file is mostly empty because most 'movprfx' tests are embedded 11 // with other instructions that are destructive and can be prefixed 12 // by the movprfx instruction. A list of destructive instructions 13 // is given below by their mnemonic, which have tests in corresponding 14 // <mnemonic>.s test files: 15 // 16 // abs decp fdivr fnmla fsubr mov sdivr sqincw umulh 17 // add eon fmad fnmls ftmad msb sdot sqsub uqadd 18 // and eor fmax fnmsb incd mul smax sub uqdecd 19 // asr ext fmaxnm frecpx inch neg smin subr uqdech 20 // asrd fabd fmin frinta incp not smulh sxtb uqdecp 21 // asrr fabs fminnm frinti incw orn splice sxth uqdecw 22 // bic fadd fmla frintm insr orr sqadd sxtw uqincd 23 // clasta fcadd fmls frintn lsl rbit sqdecd uabd uqinch 24 // clastb fcmla fmov frintp lslr revb sqdech ucvtf uqincp 25 // cls fcpy fmsb frintx lsr revh sqdecp udiv uqincw 26 // clz fcvt fmul frintz lsrr revw sqdecw udivr uqsub 27 // cnot fcvtzs fmulx fscale mad sabd sqincd udot uxtb 28 // cnt fcvtzu fneg fsqrt mla scvtf sqinch umax uxth 29 // cpy fdiv fnmad fsub mls sdiv sqincp umin uxtw 30 31 32 // ------------------------------------------------------------------------- // 33 // Test compatibility with MOVPRFX instruction with BRK and HLT. 34 // 35 // Section 7.1.2 of the SVE Architecture Reference Manual Supplement: 36 // "it is permitted to use MOVPRFX to prefix an A64 BRK or HLT instruction" 37 38 movprfx z0, z1 39 // CHECK-INST: movprfx z0, z1 40 // CHECK-ENCODING: [0x20,0xbc,0x20,0x04] 41 // CHECK-ERROR: instruction requires: sve 42 // CHECK-UNKNOWN: 20 bc 20 04 <unknown> 43 44 hlt #1 45 // CHECK-INST: hlt #0x1 46 // CHECK-ENCODING: [0x20,0x00,0x40,0xd4] 47 48 movprfx z0.d, p0/z, z1.d 49 // CHECK-INST: movprfx z0.d, p0/z, z1.d 50 // CHECK-ENCODING: [0x20,0x20,0xd0,0x04] 51 // CHECK-ERROR: instruction requires: sve 52 // CHECK-UNKNOWN: 20 20 d0 04 <unknown> 53 54 hlt #1 55 // CHECK-INST: hlt #0x1 56 // CHECK-ENCODING: [0x20,0x00,0x40,0xd4] 57 58 movprfx z0, z1 59 // CHECK-INST: movprfx z0, z1 60 // CHECK-ENCODING: [0x20,0xbc,0x20,0x04] 61 // CHECK-ERROR: instruction requires: sve 62 // CHECK-UNKNOWN: 20 bc 20 04 <unknown> 63 64 brk #1 65 // CHECK-INST: brk #0x1 66 // CHECK-ENCODING: [0x20,0x00,0x20,0xd4] 67 68 movprfx z0.d, p0/z, z1.d 69 // CHECK-INST: movprfx z0.d, p0/z, z1.d 70 // CHECK-ENCODING: [0x20,0x20,0xd0,0x04] 71 // CHECK-ERROR: instruction requires: sve 72 // CHECK-UNKNOWN: 20 20 d0 04 <unknown> 73 74 brk #1 75 // CHECK-INST: brk #0x1 76 // CHECK-ENCODING: [0x20,0x00,0x20,0xd4] 77 78 // ------------------------------------------------------------------------- // 79 // Ensure we don't try to apply a prefix to subsequent instructions (upon success) 80 81 movprfx z0, z1 82 // CHECK-INST: movprfx z0, z1 83 // CHECK-ENCODING: [0x20,0xbc,0x20,0x04] 84 // CHECK-ERROR: instruction requires: sve 85 // CHECK-UNKNOWN: 20 bc 20 04 <unknown> 86 87 add z0.d, p0/m, z0.d, z1.d 88 // CHECK-INST: add z0.d, p0/m, z0.d, z1.d 89 // CHECK-ENCODING: [0x20,0x00,0xc0,0x04] 90 // CHECK-ERROR: instruction requires: sve 91 // CHECK-UNKNOWN: 20 00 c0 04 <unknown> 92 93 add z0.d, p0/m, z0.d, z1.d 94 // CHECK-INST: add z0.d, p0/m, z0.d, z1.d 95 // CHECK-ENCODING: [0x20,0x00,0xc0,0x04] 96 // CHECK-ERROR: instruction requires: sve 97 // CHECK-UNKNOWN: 20 00 c0 04 <unknown> 98
