diff options
Diffstat (limited to 'lib/Target/PowerPC/README.txt')
| -rw-r--r-- | lib/Target/PowerPC/README.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/README.txt b/lib/Target/PowerPC/README.txt index 4132b04..dfe988f 100644 --- a/lib/Target/PowerPC/README.txt +++ b/lib/Target/PowerPC/README.txt @@ -621,3 +621,10 @@ void foo() { bar(x); __asm__("" ::: "cr2"); } + +//===----------------------------------------------------------------------===// + +Instruction fusion was introduced in ISA 2.06 and more opportunities added in +ISA 2.07. LLVM needs to add infrastructure to recognize fusion opportunities +and force instruction pairs to be scheduled together. + |