diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/README.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt index 2308761644..ac8f3f1e08 100644 --- a/lib/Target/X86/README.txt +++ b/lib/Target/X86/README.txt @@ -168,6 +168,13 @@ Combine: a = sin(x), b = cos(x) into a,b = sincos(x). //===---------------------------------------------------------------------===// +For all targets, not just X86: +When llvm.memcpy, llvm.memset, or llvm.memmove are lowered, they should be +optimized to a few store instructions if the source is constant and the length +is smallish (< 8). This will greatly help some tests like Shootout/strcat.c + +//===---------------------------------------------------------------------===// + Solve this DAG isel folding deficiency: int X, Y; |