Messages in this thread | | | Date | Thu, 24 Nov 2011 15:58:19 -0800 | Subject | X32 project status update | From | "H.J. Lu" <> |
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Hi,
This is the x32 project status update:
https://sites.google.com/site/x32abi/
There are several changes:
1. We changed x32 kernel to use the 64bit filesystem interface (LFS) as well as 64bit time_t. We are targeting Linux kernel 3.3. 2. I backported x32 support to glibc 2.14, 2.13, 2.12 and 2.11. Since glibc 2.11 is the first x32 release now, the x32 minimum ABI is changed from GLIBC_2.14 to GLIBC_2.11, which require recompiling all existing x32 binaries. 3. I am implementing address-size override:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50797
The result shows that it can improve SPEC CPU performance by another 5% over the current x32 implementation. I am putting this on hjl/x32/addr32 branch at
http://gcc.gnu.org/git/?p=gcc.git;a=summary
I also backported it to GCC 4.6 on hjl/x32/gcc-4_6-branch branch.
-- H.J.
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