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| -rw-r--r-- | docs/users_guide/7.8.1-notes.xml | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/docs/users_guide/7.8.1-notes.xml b/docs/users_guide/7.8.1-notes.xml index 85d2f61053..15bf82bc68 100644 --- a/docs/users_guide/7.8.1-notes.xml +++ b/docs/users_guide/7.8.1-notes.xml @@ -146,6 +146,17 @@ </listitem> <listitem> + <para> + New PrimOps for atomic memory operations. + The <literal>casMutVar#</literal> PrimOp was introduced in + GHC 7.2 (debugged in 7.4). This release also includes additional + PrimOps for compare-and-swap (<literal>casArray#</literal> and + <literal>casIntArray#</literal>) and one for fetch-and-add + (<literal>fetchAddIntArray#</literal>). + </para> + </listitem> + + <listitem> <para> TODO: mention dynamic changes </para> |