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authorRafael Espindola <rafael.espindola@gmail.com>2013-07-25 18:55:05 +0000
committerRafael Espindola <rafael.espindola@gmail.com>2013-07-25 18:55:05 +0000
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Remove the mblaze backend from llvm.
Approval in here http://lists.cs.uiuc.edu/pipermail/llvmdev/2013-July/064169.html git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187145 91177308-0d34-0410-b5e6-96231b3b80d8
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-* Writing out ELF files is close to working but the following needs to
- be examined more closely:
- - Relocations use 2-byte / 4-byte to terminology in reference to
- the size of the immediate value being changed. The Xilinx
- terminology seems to be (???) 4-byte / 8-byte in reference
- to the number of bytes of instructions that are being changed.
-
-* Code generation seems to work relatively well now but the following
- needs to be examined more closely:
- - The stack layout needs to be examined to make sure it meets
- the standard, especially in regards to var arg functions.
- - Look at the MBlazeGenFastISel.inc stuff and make use of it
- if appropriate.
-
-* A basic assembly parser is present now and seems to parse most things.
- There are a few things that need to be looked at:
- - There are some instructions that are not generated by the backend
- and have not been tested as far as the parser is concerned.
- - The assembly parser does not use many MicroBlaze specific directives.
- I should investigate if there are MicroBlaze specific directive and,
- if there are, add them.