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| author | Evan Cheng <evan.cheng@apple.com> | 2007-02-08 23:53:38 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-02-08 23:53:38 +0000 |
| commit | f76bb635554d0dfa6129942e153dff3c30c464bb (patch) | |
| tree | 36ce30bb12607a2b7739076692708c0fd440ec96 /llvm/lib | |
| parent | 815c25d191ad2524a093bbb4da894ac97da9e1de (diff) | |
| download | bcm5719-llvm-f76bb635554d0dfa6129942e153dff3c30c464bb.tar.gz bcm5719-llvm-f76bb635554d0dfa6129942e153dff3c30c464bb.zip | |
This is done.
llvm-svn: 34072
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/README.txt | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/llvm/lib/Target/X86/README.txt b/llvm/lib/Target/X86/README.txt index fe63e9e7dc8..46ef8b22250 100644 --- a/llvm/lib/Target/X86/README.txt +++ b/llvm/lib/Target/X86/README.txt @@ -665,20 +665,6 @@ The add\sub pair is really unneeded here. //===---------------------------------------------------------------------===// -We generate really bad code in some cases due to lowering SETCC/SELECT at -legalize time, which prevents the post-legalize dag combine pass from -understanding the code. As a silly example, this prevents us from folding -stuff like this: - -bool %test(ulong %x) { - %tmp = setlt ulong %x, 4294967296 - ret bool %tmp -} - -into x.h == 0 - -//===---------------------------------------------------------------------===// - We currently compile sign_extend_inreg into two shifts: long foo(long X) { |
