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llvm-project/llvm/test/MC/AArch64/SVE/wrffr.s

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[AArch64][SVE] Asm: Support for instructions to set/read FFR. Includes instructions to read the First-Faulting Register (FFR): - RDFFR (unpredicated) rdffr p0.b - RDFFR (predicated) rdffr p0.b, p0/z - RDFFRS (predicated, sets condition flags) rdffr p0.b, p0/z Includes instructions to set/write the FFR: - SETFFR (no arguments, sets the FFR to all true) setffr - WRFFR (unpredicated) wrffr p0.b llvm-svn: 336267
2018-07-04 20:58:46 +08:00
// RUN: llvm-mc -triple=aarch64 -show-encoding -mattr=+sve < %s \
// RUN: | FileCheck %s --check-prefixes=CHECK-ENCODING,CHECK-INST
// RUN: not llvm-mc -triple=aarch64 -show-encoding < %s 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-ERROR
// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
// RUN: | llvm-objdump -d -mattr=+sve - | FileCheck %s --check-prefix=CHECK-INST
// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
// RUN: | llvm-objdump -d - | FileCheck %s --check-prefix=CHECK-UNKNOWN
wrffr p0.b
// CHECK-INST: wrffr p0.b
// CHECK-ENCODING: [0x00,0x90,0x28,0x25]
// CHECK-ERROR: instruction requires: sve
// CHECK-UNKNOWN: 00 90 28 25 <unknown>
wrffr p15.b
// CHECK-INST: wrffr p15.b
// CHECK-ENCODING: [0xe0,0x91,0x28,0x25]
// CHECK-ERROR: instruction requires: sve
// CHECK-UNKNOWN: e0 91 28 25 <unknown>