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llvm-mirror/test/MC/ARM/crc32-thumb.s
Bernard Ogden 2ff9cbbf41 ARM: Add subtarget feature for CRC
Adds a subtarget feature for the CRC instructions (optional in v8-A) to the ARM (32-bit) backend.

Differential Revision: http://llvm-reviews.chandlerc.com/D2036

llvm-svn: 193599
2013-10-29 09:47:35 +00:00

31 lines
1.5 KiB
ArmAsm

@ RUN: llvm-mc -triple=thumbv8 -show-encoding < %s | FileCheck %s
@ RUN: not llvm-mc -triple=thumbv7 -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=CHECK-V7
@ RUN: not llvm-mc -triple=thumbv8 -mattr=-crc -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=CHECK-NOCRC
crc32b r0, r1, r2
crc32h r0, r1, r2
crc32w r0, r1, r2
@ CHECK: crc32b r0, r1, r2 @ encoding: [0xc1,0xfa,0x82,0xf0]
@ CHECK: crc32h r0, r1, r2 @ encoding: [0xc1,0xfa,0x92,0xf0]
@ CHECK: crc32w r0, r1, r2 @ encoding: [0xc1,0xfa,0xa2,0xf0]
@ CHECK-V7: error: instruction requires: crc armv8
@ CHECK-V7: error: instruction requires: crc armv8
@ CHECK-V7: error: instruction requires: crc armv8
@ CHECK-NOCRC: error: instruction requires: crc
@ CHECK-NOCRC: error: instruction requires: crc
@ CHECK-NOCRC: error: instruction requires: crc
crc32cb r0, r1, r2
crc32ch r0, r1, r2
crc32cw r0, r1, r2
@ CHECK: crc32cb r0, r1, r2 @ encoding: [0xd1,0xfa,0x82,0xf0]
@ CHECK: crc32ch r0, r1, r2 @ encoding: [0xd1,0xfa,0x92,0xf0]
@ CHECK: crc32cw r0, r1, r2 @ encoding: [0xd1,0xfa,0xa2,0xf0]
@ CHECK-V7: error: instruction requires: crc armv8
@ CHECK-V7: error: instruction requires: crc armv8
@ CHECK-V7: error: instruction requires: crc armv8
@ CHECK-NOCRC: error: instruction requires: crc
@ CHECK-NOCRC: error: instruction requires: crc
@ CHECK-NOCRC: error: instruction requires: crc