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| author | Brian Gaeke <gaeke@uiuc.edu> | 2004-12-14 09:10:10 +0000 |
|---|---|---|
| committer | Brian Gaeke <gaeke@uiuc.edu> | 2004-12-14 09:10:10 +0000 |
| commit | 5761805d277f0dc6707b086602c76fd8ae4d2935 (patch) | |
| tree | c0041054c2d7b97471a6c889f0da4ff7b2324f49 /lib/Target/Sparc | |
| parent | 6b260e2638dac0e6d5264ca505bbcb19026ef6dd (diff) | |
The mystery of Olden/tsp solved, and more opportunities for speedup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18932 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Sparc')
| -rw-r--r-- | lib/Target/Sparc/README.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Target/Sparc/README.txt b/lib/Target/Sparc/README.txt index 5a90aad4a7..c35b60266a 100644 --- a/lib/Target/Sparc/README.txt +++ b/lib/Target/Sparc/README.txt @@ -68,5 +68,11 @@ To-do * We can fold small constant offsets into the %hi/%lo references to constant pool addresses as well. +* Directly support select instructions, and fold setcc instructions into them + where possible. I think this is what afflicts the inner loop of Olden/tsp + (hot block = tsp():no_exit.1.i, overall GCC/LLC = 0.03). + +* Generate fsqrtd for calls to sqrt() (~ 4% speedup on Olden/tsp). + $Date$ |