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plain) (
tree)
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|
low addresses
+-------------------------+
%sp --> | 16 words for storing |
| LOCAL and IN registers |
+-------------------------+
| one:-word pointer to |
| aggregate return value |
+-------------------------+
| 6 words for callee |
| to store register |
| arguments |
+-------------------------+
| outgoing parameters |
| past the 6th, if any |
+-------------------------+
| space, if needed, for |
| compiler temporaries |
| and saved floating- |
| point registers |
+-------------------------+
+-------------------------+
| space dynamically |
| allocated via the |
| alloca() library call |
+-------------------------+
| space, if needed, for |
| automatic arrays, |
| aggregates, and |
| addressable scalar |
| automatics |
+-------------------------+
%fp -->
high addresses
|