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| author | Chris Lattner <sabre@nondot.org> | 2008-07-14 00:19:59 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-07-14 00:19:59 +0000 |
| commit | 8377c02308b5d83275754eacfaff0149c9ebb8d0 (patch) | |
| tree | 2f00e27b9e40bf621ba2c0fd5fd0b10ea5fa405c /llvm/lib | |
| parent | 16395e51f4cc25748bf4f6b9f21549680b43c620 (diff) | |
| download | bcm5719-llvm-8377c02308b5d83275754eacfaff0149c9ebb8d0.tar.gz bcm5719-llvm-8377c02308b5d83275754eacfaff0149c9ebb8d0.zip | |
Add a note.
llvm-svn: 53535
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/README.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/lib/Target/README.txt b/llvm/lib/Target/README.txt index 23572cd6bc5..e9133721f48 100644 --- a/llvm/lib/Target/README.txt +++ b/llvm/lib/Target/README.txt @@ -784,3 +784,15 @@ int test(int x_offs) { } //===---------------------------------------------------------------------===// + +Reassociate should turn things like: + +int factorial(int X) { + return X*X*X*X*X*X*X*X; +} + +into llvm.powi calls, allowing the code generator to produce balanced +multiplication trees. + +//===---------------------------------------------------------------------===// + |
