Commit Graph

10 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen d302ab9961 Most flags are reserved registers on Blackfin.
The only exception is CC.

llvm-svn: 78089
2009-08-04 19:16:55 +00:00
Ted Kremenek 3ddfff98a0 Update CMake files.
llvm-svn: 78020
2009-08-03 23:44:01 +00:00
Jakob Stoklund Olesen a73416bd1c Minor stylistic cleanups in the Blackfin target.
Thanks Chris.

llvm-svn: 77987
2009-08-03 19:32:30 +00:00
Daniel Dunbar c3719c36e6 Move most targets TargetMachine constructor to only taking a target triple.
- The C, C++, MSIL, and Mips backends still need the module.

llvm-svn: 77927
2009-08-02 23:37:13 +00:00
Daniel Dunbar 31b44e8f6c Normalize Subtarget constructors to take a target triple string instead of
Module*.

Also, dropped uses of TargetMachine where unnecessary. The only target which
still takes a TargetMachine& is Mips, I would appreciate it if someone would
normalize this to match other targets.

llvm-svn: 77918
2009-08-02 22:11:08 +00:00
Jakob Stoklund Olesen 7dc3b72685 Remove unneeded intrinsics from Blackfin backend.
__builtin_bfin_ones does the same as ctpop, so it can be implemented in the front-end.

__builtin_bfin_loadbytes loads from an unaligned pointer with the disalignexcpt instruction. It does the same as loading from a pointer with the low bits masked. It is better if the front-end creates a masked load. We can always instruction select the masked to disalignexcpt+load.

We keep csync/ssync/idle. These intrinsics represent instructions that need workarounds for some silicon revisions. We may even want to convert inline assembler to intrinsics to enable the workarounds.

llvm-svn: 77917
2009-08-02 21:49:05 +00:00
Jakob Stoklund Olesen 2a21149b20 Add some basic blackfin intrinsics.
llvm-svn: 77903
2009-08-02 18:28:11 +00:00
Jakob Stoklund Olesen ddddf2d549 Add support for CPU features (i.e., bugs) and workarounds.
This is just the framework to identify the needed workarounds. They are not actually implemented.

llvm-svn: 77902
2009-08-02 18:27:36 +00:00
Jakob Stoklund Olesen b052972a58 Inline assembly support for Blackfin.
We use the same constraints as GCC, including those that are slightly insane for inline assembler.

llvm-svn: 77899
2009-08-02 17:39:17 +00:00
Jakob Stoklund Olesen 552d8d6618 Analog Devices Blackfin back-end.
Generate code for the Blackfin family of DSPs from Analog Devices:

  http://www.analog.com/en/embedded-processing-dsp/blackfin/processors/index.html
  
We aim to be compatible with the exsisting GNU toolchain found at:

  http://blackfin.uclinux.org/gf/project/toolchain
  
The back-end is experimental.

llvm-svn: 77897
2009-08-02 17:32:10 +00:00