diff options
| -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 6e23fca25c..5fdcc69619 100644 --- a/lib/Target/X86/README.txt +++ b/lib/Target/X86/README.txt @@ -102,3 +102,8 @@ Some isel ideas: //===---------------------------------------------------------------------===// Should we promote i16 to i32 to avoid partial register update stalls? + +//===---------------------------------------------------------------------===// + +Leave any_extend as pseudo instruction and hint to register +allocator. Delay codegen until post register allocation. |