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| -rw-r--r-- | lib/Target/X86/README.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt index 31a36b9cfc..354439bfdb 100644 --- a/lib/Target/X86/README.txt +++ b/lib/Target/X86/README.txt @@ -68,3 +68,8 @@ http://gcc.gnu.org/ml/gcc-patches/2004-09/msg01136.html Another useful one would be ~0ULL >> X and ~0ULL << X. +//===---------------------------------------------------------------------===// + +Should support emission of the bswap instruction, probably by adding a new +DAG node for byte swapping. Also useful on PPC which has byte-swapping loads. + |