diff options
| author | Mihai Popa <mihail.popa@gmail.com> | 2013-07-22 15:49:36 +0000 |
|---|---|---|
| committer | Mihai Popa <mihail.popa@gmail.com> | 2013-07-22 15:49:36 +0000 |
| commit | 02265382929b0275d7b7b334eab5e2fd34e1b9fe (patch) | |
| tree | 8b5f44a1534ebd36295ebcc9b5892373acc58dfb /test/MC | |
| parent | 51392a079e3285303fe815672b3db6b4cf903231 (diff) | |
| download | external_llvm-02265382929b0275d7b7b334eab5e2fd34e1b9fe.zip external_llvm-02265382929b0275d7b7b334eab5e2fd34e1b9fe.tar.gz external_llvm-02265382929b0275d7b7b334eab5e2fd34e1b9fe.tar.bz2 | |
This adds range checking for "ldr Rn, [pc, #imm]" Thumb
instructions. With this patch:
1. ldr.n is recognized as mnemonic for the short encoding
2. ldr.w is recognized as menmonic for the long encoding
3. ldr will map to either short or long encodings depending on the size of the offset
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186831 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/MC')
| -rw-r--r-- | test/MC/ARM/basic-thumb2-instructions.s | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/test/MC/ARM/basic-thumb2-instructions.s b/test/MC/ARM/basic-thumb2-instructions.s index 2bd9a13..43e03c9 100644 --- a/test/MC/ARM/basic-thumb2-instructions.s +++ b/test/MC/ARM/basic-thumb2-instructions.s @@ -772,6 +772,23 @@ _func: @ CHECK: ldr.w lr, _strcmp-4 @ encoding: [0x5f'A',0xf8'A',A,0xe0'A'] @ CHECK: @ fixup A - offset: 0, value: _strcmp-4, kind: fixup_t2_ldst_pcrel_12 + ldr r4, [pc, #1020] + ldr r3, [pc, #-1020] + ldr r6, [pc, #1024] + ldr r0, [pc, #-1024] + ldr r2, [pc, #4095] + ldr r1, [pc, #-4095] + ldr.n r8, [pc, #132] + ldr.w r8, [pc, #132] + +@ CHECK: ldr r4, [pc, #1020] @ encoding: [0xff,0x4c] +@ CHECK: ldr r3, [pc, #-1020] @ encoding: [0x01,0x4b] +@ CHECK: ldr.w r6, [pc, #1024] @ encoding: [0xdf,0xf8,0x00,0x64] +@ CHECK: ldr.w r0, [pc, #-1024] @ encoding: [0x5f,0xf8,0x00,0x04] +@ CHECK: ldr.w r2, [pc, #4095] @ encoding: [0xdf,0xf8,0xff,0x2f] +@ CHECK: ldr.w r1, [pc, #-4095] @ encoding: [0x5f,0xf8,0xff,0x1f] +@ CHECK: ldr r8, [pc, #132] @ encoding: [0x21,0x48] +@ CHECK: ldr.w r8, [pc, #132] @ encoding: [0xdf,0xf8,0x84,0x80] @------------------------------------------------------------------------------ @ LDR(register) @@ -3569,5 +3586,5 @@ _func: @ CHECK: ldrsh.w r11, [pc, #-22] @ encoding: [0x3f,0xf9,0x16,0xb0] @ rdar://12596361 - ldr r1, [pc, #12] -@ CHECK: ldr.n r1, [pc, #12] @ encoding: [0x03,0x49] + ldr r1, [pc, #12] +@ CHECK: ldr r1, [pc, #12] @ encoding: [0x03,0x49] |