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| author | Dan Gohman <gohman@apple.com> | 2009-08-26 14:59:13 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-08-26 14:59:13 +0000 |
| commit | af70e5c676140a55ec619f552c8fd76b7edf3c6d (patch) | |
| tree | daaa20890ab20b911913f65f5b0f98e309c53883 /lib/Target/CBackend/CBackend.cpp | |
| parent | 2385e0e22ca482f2896dfa975a08db2f54926c09 (diff) | |
Don't use INSERT_SUBREG to model anyext operations on x86-64, as it
leads to partial-register definitions. To help avoid redundant
zero-extensions, also teach the h-register matching patterns that
use movzbl to match anyext as well as zext.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80099 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/CBackend/CBackend.cpp')
0 files changed, 0 insertions, 0 deletions