| @ RUN: llvm-mc -triple=thumbv7m-apple-darwin -show-encoding < %s | FileCheck %s |
| @ RUN: not llvm-mc -triple=thumbv6 -show-encoding 2>&1 < %s | FileCheck %s --check-prefix=CHECK-V6M |
| .syntax unified |
| .globl _func |
| |
| @ Check that the assembler can handle the documented syntax from the ARM ARM. |
| @ These tests test instruction encodings specific to ARMv7m. |
| |
| @------------------------------------------------------------------------------ |
| @ MRS |
| @------------------------------------------------------------------------------ |
| |
| mrs r0, basepri |
| mrs r0, basepri_max |
| mrs r0, faultmask |
| |
| @ CHECK: mrs r0, basepri @ encoding: [0xef,0xf3,0x11,0x80] |
| @ CHECK: mrs r0, basepri_max @ encoding: [0xef,0xf3,0x12,0x80] |
| @ CHECK: mrs r0, faultmask @ encoding: [0xef,0xf3,0x13,0x80] |
| |
| @------------------------------------------------------------------------------ |
| @ MSR |
| @------------------------------------------------------------------------------ |
| |
| msr basepri, r0 |
| msr basepri_max, r0 |
| msr faultmask, r0 |
| |
| @ CHECK: msr basepri, r0 @ encoding: [0x80,0xf3,0x11,0x88] |
| @ CHECK: msr basepri_max, r0 @ encoding: [0x80,0xf3,0x12,0x88] |
| @ CHECK: msr faultmask, r0 @ encoding: [0x80,0xf3,0x13,0x88] |
| |
| @ CHECK-V6M: error: invalid instruction |
| @ CHECK-V6M-NEXT: mrs r0, basepri |
| @ CHECK-V6M: error: invalid instruction |
| @ CHECK-V6M-NEXT: mrs r0, basepri_max |
| @ CHECK-V6M: error: invalid instruction |
| @ CHECK-V6M-NEXT: mrs r0, faultmask |
| @ CHECK-V6M: error: invalid instruction |
| @ CHECK-V6M-NEXT: msr basepri, r0 |
| @ CHECK-V6M: error: invalid instruction |
| @ CHECK-V6M-NEXT: msr basepri_max, r0 |
| @ CHECK-V6M: error: invalid instruction |
| @ CHECK-V6M-NEXT: msr faultmask, r0 |
| |