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TheRock/compiler/amd-llvm/llvm/test/MC/AArch64/armv8.6a-ecv.s
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derek.holloway 7502bf64a4
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52 lines
2.6 KiB
ArmAsm

// RUN: not llvm-mc -triple aarch64 -show-encoding -mattr=+ecv < %s 2> %t | FileCheck %s
// RUN: FileCheck --check-prefix=ERROR %s < %t
// RUN: not llvm-mc -triple aarch64 -show-encoding -mattr=+v8.6a < %s 2> %t | FileCheck %s
// RUN: FileCheck --check-prefix=ERROR %s < %t
// RUN: not llvm-mc -triple aarch64 -show-encoding < %s 2> %t | FileCheck --check-prefix=NOECV-OUT %s
// RUN: FileCheck --check-prefix=NOECV %s < %t
// Expect no successful code generation at all with ECV disabled
// NOECV-OUT-NOT: {{msr|mrs}}
// Writable system registers
msr CNTSCALE_EL2, x1
msr CNTISCALE_EL2, x11
msr CNTPOFF_EL2, x22
msr CNTVFRQ_EL2, x3
// CHECK: msr CNTSCALE_EL2, x1 // encoding: [0x81,0xe0,0x1c,0xd5]
// CHECK: msr CNTISCALE_EL2, x11 // encoding: [0xab,0xe0,0x1c,0xd5]
// CHECK: msr CNTPOFF_EL2, x22 // encoding: [0xd6,0xe0,0x1c,0xd5]
// CHECK: msr CNTVFRQ_EL2, x3 // encoding: [0xe3,0xe0,0x1c,0xd5]
// NOECV: :[[@LINE-8]]:5: error: expected writable system register or pstate
// NOECV: :[[@LINE-8]]:5: error: expected writable system register or pstate
// NOECV: :[[@LINE-8]]:5: error: expected writable system register or pstate
// NOECV: :[[@LINE-8]]:5: error: expected writable system register or pstate
// Readonly system registers: writing them gives an error even with
// ECV enabled
msr CNTPCTSS_EL0, x13
msr CNTVCTSS_EL0, x23
// ERROR: :[[@LINE-2]]:5: error: expected writable system register or pstate
// ERROR: :[[@LINE-2]]:5: error: expected writable system register or pstate
// NOECV: :[[@LINE-4]]:5: error: expected writable system register or pstate
// NOECV: :[[@LINE-4]]:5: error: expected writable system register or pstate
mrs x0, CNTSCALE_EL2
mrs x5, CNTISCALE_EL2
mrs x10, CNTPOFF_EL2
mrs x15, CNTVFRQ_EL2
mrs x20, CNTPCTSS_EL0
mrs x30, CNTVCTSS_EL0
// CHECK: mrs x0, CNTSCALE_EL2 // encoding: [0x80,0xe0,0x3c,0xd5]
// CHECK: mrs x5, CNTISCALE_EL2 // encoding: [0xa5,0xe0,0x3c,0xd5]
// CHECK: mrs x10, CNTPOFF_EL2 // encoding: [0xca,0xe0,0x3c,0xd5]
// CHECK: mrs x15, CNTVFRQ_EL2 // encoding: [0xef,0xe0,0x3c,0xd5]
// CHECK: mrs x20, CNTPCTSS_EL0 // encoding: [0xb4,0xe0,0x3b,0xd5]
// CHECK: mrs x30, CNTVCTSS_EL0 // encoding: [0xde,0xe0,0x3b,0xd5]
// NOECV: :[[@LINE-12]]:9: error: expected readable system register
// NOECV: :[[@LINE-12]]:9: error: expected readable system register
// NOECV: :[[@LINE-12]]:10: error: expected readable system register
// NOECV: :[[@LINE-12]]:10: error: expected readable system register
// NOECV: :[[@LINE-12]]:10: error: expected readable system register
// NOECV: :[[@LINE-12]]:10: error: expected readable system register