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| author | Jim Grosbach <grosbach@apple.com> | 2011-12-22 18:04:04 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2011-12-22 18:04:04 +0000 |
| commit | 8d9550bde95c8d128e7bf62e9e65dec1854e2d1d (patch) | |
| tree | 4fc7803077b490a6ba226c2b17864323e3008f80 /test | |
| parent | de626ad8726677328e10dbdc15011254214437d7 (diff) | |
| download | external_llvm-8d9550bde95c8d128e7bf62e9e65dec1854e2d1d.zip external_llvm-8d9550bde95c8d128e7bf62e9e65dec1854e2d1d.tar.gz external_llvm-8d9550bde95c8d128e7bf62e9e65dec1854e2d1d.tar.bz2 | |
ARM assembler should accept shift-by-zero for any shifted-immediate operand.
Just treat it as-if the shift wasn't there at all. 'as' compatibility.
rdar://10604767
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147153 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/MC/ARM/arm-aliases.s | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/MC/ARM/arm-aliases.s b/test/MC/ARM/arm-aliases.s new file mode 100644 index 0000000..d4ea0df --- /dev/null +++ b/test/MC/ARM/arm-aliases.s @@ -0,0 +1,17 @@ +@ RUN: llvm-mc -triple=armv7-apple-darwin -show-encoding < %s | FileCheck %s + .syntax unified + +@ Shift-by-zero should canonicalize to no shift at all (lsl #0 encoding) + add r1, r2, r3, lsl #0 + sub r1, r2, r3, ror #0 + eor r1, r2, r3, lsr #0 + orr r1, r2, r3, asr #0 + and r1, r2, r3, ror #0 + bic r1, r2, r3, lsl #0 + +@ CHECK: add r1, r2, r3 @ encoding: [0x03,0x10,0x82,0xe0] +@ CHECK: sub r1, r2, r3 @ encoding: [0x03,0x10,0x42,0xe0] +@ CHECK: eor r1, r2, r3 @ encoding: [0x03,0x10,0x22,0xe0] +@ CHECK: orr r1, r2, r3 @ encoding: [0x03,0x10,0x82,0xe1] +@ CHECK: and r1, r2, r3 @ encoding: [0x03,0x10,0x02,0xe0] +@ CHECK: bic r1, r2, r3 @ encoding: [0x03,0x10,0xc2,0xe1] |