[llvm-commits] CVS: llvm/lib/Target/X86/README.txt

Evan Cheng evan.cheng at apple.com
Wed Feb 1 18:40:28 PST 2006



Changes in directory llvm/lib/Target/X86:

README.txt updated: 1.41 -> 1.42
---
Log message:

Update.

---
Diffs of the changes:  (+5 -12)

 README.txt |   17 +++++------------
 1 files changed, 5 insertions(+), 12 deletions(-)


Index: llvm/lib/Target/X86/README.txt
diff -u llvm/lib/Target/X86/README.txt:1.41 llvm/lib/Target/X86/README.txt:1.42
--- llvm/lib/Target/X86/README.txt:1.41	Wed Feb  1 17:38:08 2006
+++ llvm/lib/Target/X86/README.txt	Wed Feb  1 20:40:17 2006
@@ -215,18 +215,6 @@
 
 //===---------------------------------------------------------------------===//
 
-None of the SSE instructions are handled in X86RegisterInfo::foldMemoryOperand,
-which prevents the spiller from folding spill code into the instructions.
-
-This leads to code like this:
-
-mov %eax, 8(%esp)
-cvtsi2sd %eax, %xmm0
-instead of:
-cvtsi2sd 8(%esp), %xmm0
-
-//===---------------------------------------------------------------------===//
-
 LSR should be turned on for the X86 backend and tuned to take advantage of its
 addressing modes.
 
@@ -367,3 +355,8 @@
 This is a bugpoint reduced testcase, which is why the testcase doesn't make
 much sense (e.g. its an infinite loop). :)
 
+//===---------------------------------------------------------------------===//
+
+None of the FPStack instructions are handled in
+X86RegisterInfo::foldMemoryOperand, which prevents the spiller from
+folding spill code into the instructions.






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