4 Commits

Author	SHA1	Message	Date
Rafael Espindola	890a876e0e	Print "lock \t foo" instead of "lock \n foo". ... This gets gas and llc -filetype=obj to agree on the order of prefixes. For llvm-mc we need to fix the asm parser to know that it makes a difference on which line the "lock" is in. Part of pr23594. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238232 91177308-0d34-0410-b5e6-96231b3b80d8	2015-05-26 18:35:10 +00:00
Tim Northover	ca396e391e	IR: add a second ordering operand to cmpxhg for failure ... The syntax for "cmpxchg" should now look something like: cmpxchg i32* %addr, i32 42, i32 3 acquire monotonic where the second ordering argument gives the required semantics in the case that no exchange takes place. It should be no stronger than the first ordering constraint and cannot be either "release" or "acq_rel" (since no store will have taken place). rdar://problem/15996804 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203559 91177308-0d34-0410-b5e6-96231b3b80d8	2014-03-11 10:48:52 +00:00
Benjamin Kramer	44aac553f6	FileCheck hygiene. ... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147580 91177308-0d34-0410-b5e6-96231b3b80d8	2012-01-05 00:43:34 +00:00
Eli Friedman	43f51aeca8	Add support for generating CMPXCHG16B on x86-64 for the cmpxchg IR instruction. ... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138660 91177308-0d34-0410-b5e6-96231b3b80d8	2011-08-26 21:21:21 +00:00