diff options
-rw-r--r-- | lib/Target/X86/README.txt | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt index 62c8ab1dcc..dd02948f87 100644 --- a/lib/Target/X86/README.txt +++ b/lib/Target/X86/README.txt @@ -59,7 +59,8 @@ One better solution for 1LL << x is: But that requires good 8-bit subreg support. - +64-bit shifts (in general) expand to really bad code. Instead of using +cmovs, we should expand to a conditional branch like GCC produces. //===---------------------------------------------------------------------===// |