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cf3e4cb29a
The hint instructions ("nop", "yield", etc) are mostly Thumb2-only, but have
been ported across to the v6M architecture. Fortunately, v6M seems to sit
nicely between v6 (thumb-1 only) and v6T2, so we can add a feature for it
fairly easily.
rdar://problem/15144406
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192097 91177308-0d34-0410-b5e6-96231b3b80d8
35 lines
1.2 KiB
ArmAsm
35 lines
1.2 KiB
ArmAsm
@ RUN: llvm-mc -triple=thumbv7-apple-darwin -show-encoding < %s | FileCheck %s
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@ RUN: llvm-mc -triple=thumbv6-apple-darwin -mcpu=cortex-m0 -show-encoding < %s | FileCheck %s
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@ RUN: not llvm-mc -triple=thumbv6-apple-darwin -show-encoding < %s > %t 2> %t2
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@ RUN: FileCheck %s --check-prefix=CHECK-EVIL-PRE-UAL < %t
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@ RUN: FileCheck %s --check-prefix CHECK-ERROR < %t2
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.syntax unified
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nop
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yield
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wfe
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wfi
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sev
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@ CHECK: nop @ encoding: [0x00,0xbf]
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@ CHECK: yield @ encoding: [0x10,0xbf]
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@ CHECK: wfe @ encoding: [0x20,0xbf]
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@ CHECK: wfi @ encoding: [0x30,0xbf]
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@ CHECK: sev @ encoding: [0x40,0xbf]
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@ CHECK-EVIL-PRE-UAL: mov r8, r8 @ encoding: [0xc0,0x46]
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@ CHECK-ERROR: error: instruction requires: armv6m or armv6t2
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@ CHECK-ERROR-NEXT: yield
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@ CHECK-ERROR: error: instruction requires: armv6m or armv6t2
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@ CHECK-ERROR-NEXT: wfe
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@ CHECK-ERROR: error: instruction requires: armv6m or armv6t2
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@ CHECK-ERROR-NEXT: wfi
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@ CHECK-ERROR: error: instruction requires: armv6m or armv6t2
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@ CHECK-ERROR-NEXT: sev
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