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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2012-02-23 18:28:32 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2012-02-23 18:28:32 +0000 |
| commit | 49b726c339b6f3b9c51638bd0f453610f9765f2d (patch) | |
| tree | 98f1c7e007ac5e358f1f22bde49bda74313a5cc4 /lib/ExecutionEngine/TargetSelect.cpp | |
| parent | b80d571ea85db5d52fafed0523cf59e693502198 (diff) | |
post-ra-sched: Replace a std::set of regs with a bitvector.
Assuming that a single std::set node adds 3 control words, a bitvector
can store (3*8+4)*8=224 registers in the allocated memory of a single
element in the std::set (x86_64). Also we don't have to call malloc
for every register added.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151269 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/ExecutionEngine/TargetSelect.cpp')
0 files changed, 0 insertions, 0 deletions