diff options
Diffstat (limited to 'docs/StackMaps.rst')
| -rw-r--r-- | docs/StackMaps.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/StackMaps.rst b/docs/StackMaps.rst index bd0fb94..43c60c9 100644 --- a/docs/StackMaps.rst +++ b/docs/StackMaps.rst @@ -221,6 +221,13 @@ lowered according to the calling convention specified at the intrinsic's callsite. Variants of the intrinsic with non-void return type also return a value according to calling convention. +On PowerPC, note that ``<target>`` must be the actual intended target of +the indirect call. Specifically, even when compiling for the ELF V1 ABI, +``<target>`` is not the function-descriptor address normally used as the C/C++ +function-pointer representation. As a result, the call target must be local +because no adjustment or restoration of the TOC pointer (in register r2) will +be performed. + Requesting zero patch point arguments is valid. In this case, all variable operands are handled just like ``llvm.experimental.stackmap.*``. The difference is that space will |