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| author | Chris Lattner <sabre@nondot.org> | 2005-04-13 02:41:52 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-04-13 02:41:52 +0000 |
| commit | 6ac614a4f274bab9f08f70fda86aeb711952e828 (patch) | |
| tree | 4449bd1529a4afe782629cc1430fbbd6529810b1 /docs/CommandGuide | |
| parent | c951d87fe99ab464b933af7170de6f2e51953907 (diff) | |
Remove special handling of ZERO_EXTEND_INREG. This pessimizes code, causing
things like this:
mov r9 = 65535;;
and r8 = r8, r9;;
To be emitted instead of:
zxt2 r8 = r8;;
To get this back, the selector for ISD::AND should recognize this case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21269 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/CommandGuide')
0 files changed, 0 insertions, 0 deletions