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870ec0cc7f
This introduces support for the v8.7-A architecture through a new subtarget feature called "v8.7a". It adds two new "WFET" and "WFIT" instructions, the nXS limited-TLB-maintenance qualifier for DSB and TLBI instructions, a new CPU id register, ID_AA64ISAR2_EL1, and the new HCRX_EL2 system register. Based on patches written by Simon Tatham and Victor Campos. Reviewed By: ostannard Differential Revision: https://reviews.llvm.org/D91772
13 lines
665 B
ArmAsm
13 lines
665 B
ArmAsm
// RUN: llvm-mc -triple aarch64-none-linux-gnu -show-encoding -mattr=+hcx < %s 2>%t | FileCheck %s
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// RUN: llvm-mc -triple aarch64-none-linux-gnu -show-encoding -mattr=+v8.7a < %s 2>%t | FileCheck %s
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// RUN: not llvm-mc -triple aarch64-none-linux-gnu < %s 2> %t
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// RUN: FileCheck --check-prefix=CHECK-NO-HCX-ERR %s < %t
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mrs x2, HCRX_EL2
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// CHECK: mrs x2, HCRX_EL2 // encoding: [0x42,0x12,0x3c,0xd5]
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// CHECK-NO-HCX-ERR: [[@LINE-2]]:11: error: expected readable system register
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msr HCRX_EL2, x3
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// CHECK: msr HCRX_EL2, x3 // encoding: [0x43,0x12,0x1c,0xd5]
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// CHECK-NO-HCX-ERR: [[@LINE-2]]:7: error: expected writable system register
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