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-rw-r--r--lib/Target/X86/README.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt
index 7bff7fea57..8481fa6f2c 100644
--- a/lib/Target/X86/README.txt
+++ b/lib/Target/X86/README.txt
@@ -93,6 +93,10 @@ Some isel ideas:
2. Code duplication (addressing mode) during isel.
3. Other ideas from "Register-Sensitive Selection, Duplication, and
Sequencing of Instructions".
+4. Scheduling for reduced register pressure. E.g. "Minimum Register
+ Instruction Sequence Problem: Revisiting Optimal Code Generation for DAGs"
+ and other related papers.
+ http://citeseer.ist.psu.edu/govindarajan01minimum.html
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