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| author | Chris Lattner <sabre@nondot.org> | 2010-09-21 22:07:31 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-09-21 22:07:31 +0000 |
| commit | b86faa17a4e574580ad029a8082a27ead2fa6013 (patch) | |
| tree | e49960eee23ef494c053e074ac4eab6700c1bda6 /lib/CodeGen/SplitKit.cpp | |
| parent | 67aff164c039765e3ec19e5a31659250c8427dfb (diff) | |
reimplement support for GS and FS relative address space matching
by having X86DAGToDAGISel::SelectAddr get passed in the parent node
of the operand match (the load/store/atomic op) and having it get
the address space from that, instead of having special FS/GS addr
mode operations that require duplicating the entire instruction set
to support.
This makes FS and GS relative accesses *far* more predictable and
work much better. It also simplifies the X86 backend a bit, more
to come.
There is still a pending issue with nodes like ISD::PREFETCH and
X86ISD::FLD, which really should be MemSDNode's but aren't.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114491 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SplitKit.cpp')
0 files changed, 0 insertions, 0 deletions