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author | Evan Cheng <evan.cheng@apple.com> | 2007-09-10 22:16:37 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2007-09-10 22:16:37 +0000 |
commit | 35127a623496a10cd496e2e40d5f06d080d46d4f (patch) | |
tree | 5f0d627849c2625e9a31b439c9503b6e22008f10 /lib/Target | |
parent | 3bdb3afb70bc1603ebe1cd60a80c8ad5818412be (diff) | |
download | external_llvm-35127a623496a10cd496e2e40d5f06d080d46d4f.zip external_llvm-35127a623496a10cd496e2e40d5f06d080d46d4f.tar.gz external_llvm-35127a623496a10cd496e2e40d5f06d080d46d4f.tar.bz2 |
New entry.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41810 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
-rw-r--r-- | lib/Target/X86/README.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt index 1f53227..40cbd86 100644 --- a/lib/Target/X86/README.txt +++ b/lib/Target/X86/README.txt @@ -1205,3 +1205,6 @@ __Z11no_overflowjj: //===---------------------------------------------------------------------===// + +Re-materialize MOV32r0 etc. with xor instead of changing them to moves if the +condition register is dead. xor reg reg is shorter than mov reg, #0. |