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author | Jim Grosbach <grosbach@apple.com> | 2011-08-31 17:07:33 +0000 |
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committer | Jim Grosbach <grosbach@apple.com> | 2011-08-31 17:07:33 +0000 |
commit | 0f3abd8d68cfb4a0705d0a8140d7f7dce32f6e77 (patch) | |
tree | 4f390cc6b292ef6fad5e5a78d78385b4c4d5b2fb /test | |
parent | 61545829832ba0375249c42c84843d0b62c8f55f (diff) | |
download | external_llvm-0f3abd8d68cfb4a0705d0a8140d7f7dce32f6e77.zip external_llvm-0f3abd8d68cfb4a0705d0a8140d7f7dce32f6e77.tar.gz external_llvm-0f3abd8d68cfb4a0705d0a8140d7f7dce32f6e77.tar.bz2 |
Tweak Thumb1 ADD encoding selection a bit.
When the destination register of an add immediate instruction is
explicitly specified, encoding T1 is preferred, else encoding T2 is
preferred.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138862 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r-- | test/MC/ARM/basic-thumb-instructions.s | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/test/MC/ARM/basic-thumb-instructions.s b/test/MC/ARM/basic-thumb-instructions.s index 54d353e..94ba839 100644 --- a/test/MC/ARM/basic-thumb-instructions.s +++ b/test/MC/ARM/basic-thumb-instructions.s @@ -26,11 +26,13 @@ _func: @ ADD (immediate) @------------------------------------------------------------------------------ adds r1, r2, #3 +@ When Rd is not explicitly specified, encoding T2 is preferred even though +@ the literal is in the range [0,7] which would allow encoding T1. adds r2, #3 adds r2, #8 @ CHECK: adds r1, r2, #3 @ encoding: [0xd1,0x1c] -@ CHECK: adds r2, r2, #3 @ encoding: [0xd2,0x1c] +@ CHECK: adds r2, #3 @ encoding: [0x03,0x32] @ CHECK: adds r2, #8 @ encoding: [0x08,0x32] |