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| author | Chris Lattner <sabre@nondot.org> | 2005-04-13 02:43:40 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-04-13 02:43:40 +0000 |
| commit | 2942e9c30139fd6a73d3ceae8f7e0b59f8e22279 (patch) | |
| tree | cf58016bbc6147747251b838abfac6bc98a60ad7 /docs/CommandGuide/gccas.pod | |
| parent | 6ac614a4f274bab9f08f70fda86aeb711952e828 (diff) | |
Remove support for ZERO_EXTEND_INREG. This pessimizes code, genering stuff
like this:
ldah $1,1($31)
lda $1,-1($1)
and $0,$1,$24
instead of this:
zap $0,252,$24
To get this back, the selector should recognize the ISD::AND case where this
happens and emit the appropriate ZAP instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21270 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/CommandGuide/gccas.pod')
0 files changed, 0 insertions, 0 deletions