diff options
| author | Camil Staps | 2016-11-22 23:56:49 +0100 |
|---|---|---|
| committer | Camil Staps | 2016-11-22 23:56:49 +0100 |
| commit | 45e52506a41870afa57389fe9741e6bfd57408e8 (patch) | |
| tree | de00843e9992c2285716a191db5c377acd7dbecd /thesis/two-bits.tex | |
| parent | Storing PC: comparison (diff) | |
More intro; draft mode
Diffstat (limited to 'thesis/two-bits.tex')
| -rw-r--r-- | thesis/two-bits.tex | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/thesis/two-bits.tex b/thesis/two-bits.tex index fcd4046..56e7c45 100644 --- a/thesis/two-bits.tex +++ b/thesis/two-bits.tex @@ -1,4 +1,4 @@ -\section{Two bits} +\section{Code addresses} \label{sec:two-bits} \begin{multicols}{2} @@ -44,7 +44,8 @@ Flipping the meaning of the LSB in the copying collector fixes this issue. \subsection{Comparison} \label{sec:two-bits:comparison} -Flipping the meaning of the LSB in the garbage collector amounts to swapping \ual{bne} and \ual{beq} and similar changes that do not effect the program's efficiency. +Flipping the meaning of the LSB in the garbage collector amounts to swapping \ual{bne} and \ual{beq} and similar changes that do not effect the program's efficiency or size. + By word-aligning all node entry addresses we lose one alignment byte per node entry address on average (assuming that half of the node entry points are word-aligned already). This increases code size slightly, but since many instructions that were 32-bit in ARM are now 16-bit, the overall code size is still smaller. |