diff options
-rw-r--r-- | lib/Target/X86/README.txt | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt index 4972818dbf..1c227d3fd1 100644 --- a/lib/Target/X86/README.txt +++ b/lib/Target/X86/README.txt @@ -644,3 +644,14 @@ lambda, siod, optimizer-eval, ackermann, hash2, nestedloop, strcat, and Treesor. Teach the coallescer to coales vregs of different register classes. e.g. FR32 / FR64 to VR128. + +//===---------------------------------------------------------------------===// + +mov $reg, 48(%esp) +... +leal 48(%esp), %eax +mov %eax, (%esp) +call _foo + +Obviously it would have been better for the first mov (or any op) to store +directly %esp[0] if there are no other uses. |