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llvm-project/llvm/test/MC/AArch64/armv8.5a-predres-error.s

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[AArch64] Move feature predctrl to predres Follow up patch of rL350385, for adding predres command line option. This patch renames the feature as to keep it aligned with the option passed by/to clang Differential Revision: https://reviews.llvm.org/D56484 llvm-svn: 350702
2019-01-09 19:24:15 +08:00
// RUN: not llvm-mc -triple aarch64-none-linux-gnu -show-encoding -mattr=+predres < %s 2>&1| FileCheck %s
[AArch64][v8.5A] Add prediction invalidation instructions to AArch64 This adds new system instructions which act as barriers to speculative execution based on earlier execution within a particular execution context. Patch by Pablo Barrio! Differential revision: https://reviews.llvm.org/D52479 llvm-svn: 343214
2018-09-27 21:47:40 +08:00
cfp rctx
dvp rctx
cpp rctx
// CHECK: specified cfp op requires a register
// CHECK: specified dvp op requires a register
// CHECK: specified cpp op requires a register
cfp x0, x1
dvp x1, x2
cpp x2, x3
// CHECK: invalid operand for prediction restriction instruction
// CHECK-NEXT: cfp
// CHECK: invalid operand for prediction restriction instruction
// CHECK-NEXT: dvp
// CHECK: invalid operand for prediction restriction instruction
// CHECK-NEXT: cpp