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| author | Nate Begeman <natebegeman@mac.com> | 2005-10-28 23:26:57 +0000 |
|---|---|---|
| committer | Nate Begeman <natebegeman@mac.com> | 2005-10-28 23:26:57 +0000 |
| commit | 167f1e265161bfebb0370e7e1e0559e50bdd9234 (patch) | |
| tree | fb02f099a86522572ae748504264eff648bcc090 /lib | |
| parent | 366080c5e6b4b8e1f07829a2489cc5d21f51bf3b (diff) | |
| download | external_llvm-167f1e265161bfebb0370e7e1e0559e50bdd9234.zip external_llvm-167f1e265161bfebb0370e7e1e0559e50bdd9234.tar.gz external_llvm-167f1e265161bfebb0370e7e1e0559e50bdd9234.tar.bz2 | |
New case to handle someday
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24075 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/PowerPC/README.txt | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/README.txt b/lib/Target/PowerPC/README.txt index abd9157..972e5bb 100644 --- a/lib/Target/PowerPC/README.txt +++ b/lib/Target/PowerPC/README.txt @@ -217,5 +217,22 @@ _test: stw r2, 0(r3) blr +===-------------------------------------------------------------------------=== + +Compile +int foo(int a) { return a * -2 + 63; } + +to + +_foo: + slwi r0,r3,1 + subfic r3,r0,63 + blr + +instead of: +_foo: + mulli r2,r3,-2 + addi r3,r2,63 + blr |