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author | Eli Friedman <eli.friedman@gmail.com> | 2011-08-12 22:50:01 +0000 |
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committer | Eli Friedman <eli.friedman@gmail.com> | 2011-08-12 22:50:01 +0000 |
commit | f03bb260c90ad013aa4e55af36382875011c95b8 (patch) | |
tree | 6d554ebcc06bd6d3509a7808029994c894d002d3 /docs | |
parent | 10342123adec62151bf9060493dd13583c67ae52 (diff) | |
download | llvm-f03bb260c90ad013aa4e55af36382875011c95b8.tar.gz llvm-f03bb260c90ad013aa4e55af36382875011c95b8.tar.bz2 llvm-f03bb260c90ad013aa4e55af36382875011c95b8.tar.xz |
Move "atomic" and "volatile" designations on instructions after the opcode
of the instruction.
Note that this change affects the existing non-atomic load and store
instructions; the parser now accepts both forms, and the change is noted
in the release notes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137527 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs')
-rw-r--r-- | docs/LangRef.html | 12 | ||||
-rw-r--r-- | docs/ReleaseNotes.html | 4 |
2 files changed, 10 insertions, 6 deletions
diff --git a/docs/LangRef.html b/docs/LangRef.html index 725691c14f..95cbad06f6 100644 --- a/docs/LangRef.html +++ b/docs/LangRef.html @@ -4572,8 +4572,8 @@ that the invoke/unwind semantics are likely to change in future versions.</p> <h5>Syntax:</h5> <pre> - <result> = [volatile] load <ty>* <pointer>[, align <alignment>][, !nontemporal !<index>] - <result> = atomic [volatile] load <ty>* <pointer> [singlethread] <ordering>, align <alignment> + <result> = load [volatile] <ty>* <pointer>[, align <alignment>][, !nontemporal !<index>] + <result> = load atomic [volatile] <ty>* <pointer> [singlethread] <ordering>, align <alignment> !<index> = !{ i32 1 } </pre> @@ -4644,8 +4644,8 @@ that the invoke/unwind semantics are likely to change in future versions.</p> <h5>Syntax:</h5> <pre> - [volatile] store <ty> <value>, <ty>* <pointer>[, align <alignment>][, !nontemporal !<index>] <i>; yields {void}</i> - atomic [volatile] store <ty> <value>, <ty>* <pointer> [singlethread] <ordering>, align <alignment> <i>; yields {void}</i> + store [volatile] <ty> <value>, <ty>* <pointer>[, align <alignment>][, !nontemporal !<index>] <i>; yields {void}</i> + store atomic [volatile] <ty> <value>, <ty>* <pointer> [singlethread] <ordering>, align <alignment> <i>; yields {void}</i> </pre> <h5>Overview:</h5> @@ -4774,7 +4774,7 @@ thread. (This is useful for interacting with signal handlers.)</p> <h5>Syntax:</h5> <pre> - [volatile] cmpxchg <ty>* <pointer>, <ty> <cmp>, <ty> <new> [singlethread] <ordering> <i>; yields {ty}</i> + cmpxchg [volatile] <ty>* <pointer>, <ty> <cmp>, <ty> <new> [singlethread] <ordering> <i>; yields {ty}</i> </pre> <h5>Overview:</h5> @@ -4857,7 +4857,7 @@ done: <h5>Syntax:</h5> <pre> - [volatile] atomicrmw <operation> <ty>* <pointer>, <ty> <value> [singlethread] <ordering> <i>; yields {ty}</i> + atomicrmw [volatile] <operation> <ty>* <pointer>, <ty> <value> [singlethread] <ordering> <i>; yields {ty}</i> </pre> <h5>Overview:</h5> diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html index 726729aebf..258555496c 100644 --- a/docs/ReleaseNotes.html +++ b/docs/ReleaseNotes.html @@ -583,6 +583,10 @@ it run faster:</p> <ul> <li>The <code>LowerSetJmp</code> pass wasn't used effectively by any target and has been removed.</li> + <li>The syntax of volatile loads and stores in IR has been changed to + "<code>load volatile</code>"/"<code>store volatile</code>". The old + syntax ("<code>volatile load</code>"/"<code>volatile store</code>") + is still accepted, but is now considered deprecated.</li> </ul> </div> |