From b8b9aae2a9c89c4bcc3111cb05d2cd5ca9c3ab60 Mon Sep 17 00:00:00 2001
From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Fri, 22 Jul 2022 23:23:35 +0100
Subject: [PATCH] hack to put comparison table on one page

---
 openpower/Makefile                 |  3 ++-
 openpower/mdwn_inline.py           |  5 +++++
 openpower/simple_v_spec.tex        | 18 ++++++++++--------
 openpower/sv/comparison_table.mdwn |  1 -
 openpower/texmunge.py              | 14 ++++++++++++++
 5 files changed, 31 insertions(+), 10 deletions(-)
 create mode 100755 openpower/texmunge.py

diff --git a/openpower/Makefile b/openpower/Makefile
index 5d9c2d89d..bf9e9f55a 100755
--- a/openpower/Makefile
+++ b/openpower/Makefile
@@ -49,7 +49,8 @@ tex_out/comparison_table.tex : sv/comparison_table.mdwn
 	mkdir -p tex_out
 	pandoc -f markdown -t latex --top-level-division=section \
 	        --filter pandoc_img.py \
-            -N -o tex_out/comparison_table.tex sv/comparison_table.mdwn
+            -N -o tex_out/comparison_table_pre.tex sv/comparison_table.mdwn
+	./texmunge.py tex_out/comparison_table_pre.tex tex_out/comparison_table.tex 
 
 tex_out/vector_isas.tex : sv/vector_isa_comparison.mdwn
 	mkdir -p tex_out
diff --git a/openpower/mdwn_inline.py b/openpower/mdwn_inline.py
index cea39fe21..53d30ac08 100755
--- a/openpower/mdwn_inline.py
+++ b/openpower/mdwn_inline.py
@@ -5,6 +5,11 @@ import sys
 with open(sys.argv[2], "w") as o:
     with open(sys.argv[1], "r") as f:
         for line in f.readlines():
+            if sys.argv[1].endswith("comparison_table.tex") and \
+                line.startswith("\begin{itemize}"):
+                o.write(line)
+                o.write("\\itemsep -0.3em\n")
+                continue
             if not line.startswith("[[!inline"):
                 o.write(line)
                 continue
diff --git a/openpower/simple_v_spec.tex b/openpower/simple_v_spec.tex
index d640fc438..679f81ecd 100644
--- a/openpower/simple_v_spec.tex
+++ b/openpower/simple_v_spec.tex
@@ -184,6 +184,16 @@ For questions, comments, and clarification, please contact the following:
     \item Andrey Miroshnikov - Libre-SOC engineer, assisting with documentation - andrey@technepisteme.xyz
 \end{itemize}
 
+\begin{landscape}
+\chapter*{Comparison Table}
+\addcontentsline{toc}{chapter}{Comparison Table} \markboth{INTRODUCTION}{}
+\hypertarget{svux2fcomparison_table}{}
+{
+\fontsize{6}{8}\selectfont
+\input{tex_out/comparison_table.tex}
+}
+\end{landscape}
+
 \part{Scalable Vectors Primer}
 \input{svp64-primer/acronyms}
 \chapter*{Executive Summary}
@@ -251,14 +261,6 @@ For questions, comments, and clarification, please contact the following:
 }
 \end{landscape}
 
-\chapter{Comparison Table}\hypertarget{svux2fcomparison_table}{}
-\begin{landscape}
-{
-\fontsize{7}{9}\selectfont
-\input{tex_out/comparison_table.tex}
-}
-\end{landscape}
-
 \end{appendices}
 
 \part{Scalar Instructions}
diff --git a/openpower/sv/comparison_table.mdwn b/openpower/sv/comparison_table.mdwn
index 224f12ae3..776a44657 100644
--- a/openpower/sv/comparison_table.mdwn
+++ b/openpower/sv/comparison_table.mdwn
@@ -1,4 +1,3 @@
-# ISA Comparison Table
 
 | ISA <br>name   | Num <br>opcodes | Taxonomy / <br> Class | Predicate <br> Masks | Twin <br> Predication |  Explicit <br> Vector regs | 128-bit | Bigint <br> capability | LDST <br> Fault-First | Data-dependent <br> Fail-first | Predicate-<br> Result | Matrix HW<br> support |
 |----------------|-----------------|-----------------------|----------------------|-----------------------|----------------------------|---------|------------------------|-----------------------|--------------------------------|-----------------------|-----------------------|
diff --git a/openpower/texmunge.py b/openpower/texmunge.py
new file mode 100755
index 000000000..f8bc1c52d
--- /dev/null
+++ b/openpower/texmunge.py
@@ -0,0 +1,14 @@
+#!/usr/bin/env python3
+
+import sys
+
+with open(sys.argv[2], "w") as o:
+    with open(sys.argv[1], "r") as f:
+        for line in f.readlines():
+
+            if sys.argv[1].endswith("comparison_table_pre.tex") and \
+               line.startswith(r"\begin{itemize}"):
+                o.write(line)
+                o.write("\\itemsep -0.3em\n")
+                continue
+            o.write(line)
-- 
2.30.2