Changes in directory llvm/lib/Target/X86:
README.txt updated: 1.18 -> 1.19
---
Log message:
Added some isel ideas.
---
Diffs of the changes: (+14 -0)
README.txt | 14 ++++++++++++++
1 files changed, 14 insertions(+)
Index: llvm/lib/Target/X86/README.txt
diff -u llvm/lib/Target/X86/README.txt:1.18 llvm/lib/Target/X86/README.txt:1.19
--- llvm/lib/Target/X86/README.txt:1.18 Thu Dec 1 18:11:20 2005
+++ llvm/lib/Target/X86/README.txt Fri Dec 16 19:25:19 2005
@@ -88,3 +88,17 @@
movzbl %dil, %eax
xorl $1, %eax
ret
+
+//===---------------------------------------------------------------------===//
+
+Some isel ideas:
+
+1. Dynamic programming based approach when compile time if not an
+ issue.
+2. Code duplication (addressing mode) during isel.
+3. Other ideas from "Register-Sensitive Selection, Duplication, and
+ Sequencing of Instructions".
+
+//===---------------------------------------------------------------------===//
+
+Should we promote i16 to i32 to avoid partial register update stalls?
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