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| author | Brian Gaeke <gaeke@uiuc.edu> | 2004-12-14 08:21:02 +0000 |
|---|---|---|
| committer | Brian Gaeke <gaeke@uiuc.edu> | 2004-12-14 08:21:02 +0000 |
| commit | 6b260e2638dac0e6d5264ca505bbcb19026ef6dd (patch) | |
| tree | e095071612961333aa42dff470951f442c7d78a8 /lib/Target/Sparc/README.txt | |
| parent | 626e38e4813c357bd7161782286317ee42357313 (diff) | |
| download | llvm-6b260e2638dac0e6d5264ca505bbcb19026ef6dd.tar.gz llvm-6b260e2638dac0e6d5264ca505bbcb19026ef6dd.tar.bz2 llvm-6b260e2638dac0e6d5264ca505bbcb19026ef6dd.tar.xz | |
Get rid of shifts by zero in most cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18931 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Sparc/README.txt')
| -rw-r--r-- | lib/Target/Sparc/README.txt | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/lib/Target/Sparc/README.txt b/lib/Target/Sparc/README.txt index d45a370e23..5a90aad4a7 100644 --- a/lib/Target/Sparc/README.txt +++ b/lib/Target/Sparc/README.txt @@ -55,13 +55,6 @@ To-do * support casting 64-bit integers to FP types (fhourstones needs this) * support FP rem (call fmod) -* Eliminate srl/sll by zero bits like this: - sll %l0, 0, %l0 - srl %l0, 0, %o0 - - We think these are only used by V9 to clear off the top 32 bits of a reg, - so they are not needed. - * Keep the address of the constant pool in a register instead of forming its address all of the time. |