diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/Sparc/README.txt | 6 | ||||
| -rw-r--r-- | lib/Target/SparcV8/README.txt | 6 |
2 files changed, 12 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). + $Date$ diff --git a/lib/Target/SparcV8/README.txt b/lib/Target/SparcV8/README.txt index 5a90aad4a7..c35b60266a 100644 --- a/lib/Target/SparcV8/README.txt +++ b/lib/Target/SparcV8/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). + $Date$ |