Changes in directory llvm/lib/Target/X86:
README.txt updated: 1.128 -> 1.129 --- Log message: add a note --- 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:1.128 llvm/lib/Target/X86/README.txt:1.129 --- llvm/lib/Target/X86/README.txt:1.128 Mon Sep 11 18:00:56 2006 +++ llvm/lib/Target/X86/README.txt Tue Sep 12 01:36:01 2006 @@ -628,3 +628,17 @@ This saves a movzbl, and saves a truncate if it doesn't get coallesced right. This is a simple DAGCombine to propagate the zext through the and. + +//===---------------------------------------------------------------------===// + +Instead of: + + cmpl $4294967295, %edx + jg LBB1_8 #cond_false49 + +emit: + + testl %edx, %edx + js LBB1_8 + +This saves a byte of code space. _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
