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author | Chris Lattner <sabre@nondot.org> | 2006-01-28 05:40:47 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2006-01-28 05:40:47 +0000 |
commit | 0c7b4666a36bda8fa21d60438657cde72f126c41 (patch) | |
tree | 5a2c8a2c52d4869d9389b75dc3e39e5f19bac737 /llvm/lib/Target | |
parent | fd4a7f76a9853c98f9e0a49deffc38b698dce294 (diff) | |
download | bcm5719-llvm-0c7b4666a36bda8fa21d60438657cde72f126c41.tar.gz bcm5719-llvm-0c7b4666a36bda8fa21d60438657cde72f126c41.zip |
add a note about how we should implement this FIXME from the legalizer:
// FIXME: revisit this when we have some kind of mechanism by which targets
// can decided legality of vector constants, of which there may be very
// many.
llvm-svn: 25733
Diffstat (limited to 'llvm/lib/Target')
-rw-r--r-- | llvm/lib/Target/PowerPC/PPCSubtarget.cpp | 2 | ||||
-rw-r--r-- | llvm/lib/Target/PowerPC/README.txt | 6 |
2 files changed, 7 insertions, 1 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCSubtarget.cpp b/llvm/lib/Target/PowerPC/PPCSubtarget.cpp index f43c18d7dfa..c7a34280ea7 100644 --- a/llvm/lib/Target/PowerPC/PPCSubtarget.cpp +++ b/llvm/lib/Target/PowerPC/PPCSubtarget.cpp @@ -1,4 +1,4 @@ -//===- PowerPCSubtarget.cpp - PPC Subtarget Information ---------*- C++ -*-===// +//===- PowerPCSubtarget.cpp - PPC Subtarget Information -------------------===// // // The LLVM Compiler Infrastructure // diff --git a/llvm/lib/Target/PowerPC/README.txt b/llvm/lib/Target/PowerPC/README.txt index 149c2db34e8..3d0736d65ea 100644 --- a/llvm/lib/Target/PowerPC/README.txt +++ b/llvm/lib/Target/PowerPC/README.txt @@ -396,3 +396,9 @@ of the GOT on targets with one). Generate lwbrx and other byteswapping load/store instructions when reasonable. +===-------------------------------------------------------------------------=== + +Implement TargetConstantVec, and set up PPC to custom lower ConstantVec into +TargetConstantVec's if it's one of the many forms that are algorithmically +computable using the spiffy altivec instructions. + |