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| author | Kevin Enderby <enderby@apple.com> | 2012-05-03 22:41:56 +0000 |
|---|---|---|
| committer | Kevin Enderby <enderby@apple.com> | 2012-05-03 22:41:56 +0000 |
| commit | 2d524b0765145f1c7888166c985a25452f16b2bc (patch) | |
| tree | da959deb54ff95efe8a9a261000687b88a0b7d3d /test/MC/MachO | |
| parent | 9f7af7b74892e5479e26ab535c9a76131e1947c3 (diff) | |
| download | external_llvm-2d524b0765145f1c7888166c985a25452f16b2bc.zip external_llvm-2d524b0765145f1c7888166c985a25452f16b2bc.tar.gz external_llvm-2d524b0765145f1c7888166c985a25452f16b2bc.tar.bz2 | |
Fix issues with the ARM bl and blx thumb instructions and the J1 and J2 bits
for the assembler and disassembler. Which were not being set/read correctly
for offsets greater than 22 bits in some cases.
Changes to lib/Target/ARM/ARMAsmBackend.cpp from Gideon Myles!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156118 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/MC/MachO')
| -rw-r--r-- | test/MC/MachO/ARM/thumb-bl-jbits.s | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/MC/MachO/ARM/thumb-bl-jbits.s b/test/MC/MachO/ARM/thumb-bl-jbits.s new file mode 100644 index 0000000..9657968 --- /dev/null +++ b/test/MC/MachO/ARM/thumb-bl-jbits.s @@ -0,0 +1,19 @@ +@ RUN: llvm-mc -triple=thumbv7-apple-darwin -filetype=obj -o - < %s | macho-dump --dump-section-data | FileCheck %s +.thumb +.thumb_func t +t: nop + +.data +.space 4441096 - 4 - 2 + +.section __TEXT, __branch, regular, pure_instructions +.thumb +.thumb_func b +b: + bl t +# CHECK: '_section_data', 'c3f7fcf5' +# We are checking that the branch and link instruction which is: +# bl #-4441096 +# has it displacement encoded correctly with respect to the J1 and J2 bits when +# the branch is assembled with a label not a displacement. +# rdar://10149689 |