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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-06-17 03:47:30 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-06-17 03:47:30 +0000 |
| commit | b712ef9569b36eee697d4122a9bc4491a25d9125 (patch) | |
| tree | 3f155aedd7baa2ef306f05ce6aeba85ae2616a99 /lib/AsmParser/LLLexer.cpp | |
| parent | f3a789d931de6b5be729c33ff476fb20f0badbb1 (diff) | |
Allocate SystemZ callee-saved registers backwards: R13-R6
The reserved R14-R15 are always saved in the prolog, and using CSRs
starting from R13 allows them to be saved in one instruction.
Thanks to Anton for explaining this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133233 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/AsmParser/LLLexer.cpp')
0 files changed, 0 insertions, 0 deletions