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62a89909f4
This adds two new barrier instructions which can be used to restrict speculative execution of load instructions. Patch by Pablo Barrio! Differential revision: https://reviews.llvm.org/D52484 llvm-svn: 343300
23 lines
841 B
ArmAsm
23 lines
841 B
ArmAsm
@ RUN: llvm-mc -triple armv8a-none-eabi -show-encoding %s | FileCheck %s --check-prefix=ARM
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@ RUN: llvm-mc -triple thumbv8a-none-eabi -show-encoding %s | FileCheck %s --check-prefix=THUMB
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@ RUN: not llvm-mc -triple thumbv6m-none-eabi -show-encoding %s 2>&1 | FileCheck %s --check-prefix=ERROR
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csdb
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ssbb
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pssbb
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@ ARM: csdb @ encoding: [0x14,0xf0,0x20,0xe3]
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@ ARM: ssbb @ encoding: [0x40,0xf0,0x7f,0xf5]
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@ ARM: pssbb @ encoding: [0x44,0xf0,0x7f,0xf5]
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@ THUMB: csdb @ encoding: [0xaf,0xf3,0x14,0x80]
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@ THUMB: ssbb @ encoding: [0xbf,0xf3,0x40,0x8f]
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@ THUMB: pssbb @ encoding: [0xbf,0xf3,0x44,0x8f]
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@ ERROR: error: instruction requires: thumb2
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@ ERROR-NEXT: csdb
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@ ERROR: error: instruction requires: thumb2
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@ ERROR-NEXT: ssbb
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@ ERROR: error: instruction requires: thumb2
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@ ERROR-NEXT: pssbb
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