Logan Chien 18cba562c8 Fix ARM unwind opcode assembler in several cases.
Changes to ARM unwind opcode assembler:

* Fix multiple .save or .vsave directives.  Besides, the
  order is preserved now.

* For the directives which will generate multiple opcodes,
  such as ".save {r0-r11}", the order of the unwind opcode
  is fixed now, i.e. the registers with less encoding value
  are popped first.

* Fix the $sp offset calculation.  Now, we can use the
  .setfp, .pad, .save, and .vsave directives at any order.

Changes to test cases:

* Add test cases to check the order of multiple opcodes
  for the .save directive.

* Fix the incorrect $sp offset in the test case.  The
  stack pointer offset specified in the test case was
  incorrect.  (Changed test cases: ehabi-mc-section.ll and
  ehabi-mc.ll)

* The opcode to restore $sp are slightly reordered.  The
  behavior are not changed, and the new output is same
  as the output of GNU as.  (Changed test cases:
  eh-directive-pad.s and eh-directive-setfp.s)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183627 91177308-0d34-0410-b5e6-96231b3b80d8
2013-06-09 12:22:30 +00:00
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2013-05-07 20:31:28 +00:00
2013-05-22 12:37:27 +00:00
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2013-05-22 00:35:47 +00:00
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Low Level Virtual Machine (LLVM)
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