Phoronix: Google Wants LLVM To Mainline x32 ABI Support

The Google Native Client (NaCl) team is looking to upstream some of their LLVM changes such as support for Software Fault Isolation (SFI). As part of pushing forward the changes for Native Client in LLVM, they're also looking to see mainlined the x32 ABI support. X32 is the Application Binary Interface that looks to take advantage of common x86_64 CPU features like increased CPU registers and more instruction set extensions while using 32-bit pointers...

http://www.phoronix.com/vr.php?view=MTI3NTk