From: lkcl <lkcl@web>
Date: Mon, 28 Dec 2020 15:16:04 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: convert-csv-opcode-to-binary~761
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3a3880b5f0e5eea51728ebc3dc62d69b9cbbc689;p=libreriscv.git

---

diff --git a/3d_gpu/architecture/dynamic_simd/add.mdwn b/3d_gpu/architecture/dynamic_simd/add.mdwn
index 5ed776a30..eff8ef146 100644
--- a/3d_gpu/architecture/dynamic_simd/add.mdwn
+++ b/3d_gpu/architecture/dynamic_simd/add.mdwn
@@ -12,27 +12,27 @@ straight "add" (DSP in an FPGA, add in a simulator) where
 otherwise it would be extraordinarily complex, CPU-intensive
 and take up large resources.
 
-    partition:     P    P    P    P     (4 bits)
-    a        : .... .... .... .... .... (32 bits)
-    b        : .... .... .... .... .... (32 bits)
-    exp-a    : ....P....P....P....P.... (32+4 bits, P=1 if no partition)
-    exp-b    : ....0....0....0....0.... (32 bits plus 4 zeros)
-    exp-o    : ....xN...xN...xN...xN... (32+4 bits - x to be discarded)
-    o        : .... N... N... N... N... (32 bits - x ignored, N is carry-over)
+    partition:     P    P    P     (3 bits)
+    a        : .... .... .... .... (32 bits)
+    b        : .... .... .... .... (32 bits)
+    exp-a    : ....P....P....P.... (32+3 bits, P=1 if no partition)
+    exp-b    : ....0....0....0.... (32 bits plus 3 zeros)
+    exp-o    : ....xN...xN...xN... (32+3 bits - x to be discarded)
+    o        : .... N... N... N... (32 bits - x ignored, N is carry-over)
 
 new version:
 
-    partition:      p    p    p    p      (4 bits)
-    carry-in :      c    c    c    c    c (5 bits)
-    C = c & P:      C    C    C    C    c (5 bits)
-    I = P=>c :      I    I    I    I    c (5 bits)
-    a        :  AAAA AAAA AAAA AAAA AAAA  (32 bits)
-    b        :  BBBB BBBB BBBB BBBB BBBB  (32 bits)
-    exp-a    : 0AAAACAAAACAAAACAAAACAAAAc (32+4+2 bits, P=1 if no partition)
-    exp-b    : 0BBBBIBBBBIBBBBIBBBBIBBBBc (32+2 bits plus 4 zeros)
-    exp-o    : o....oN...oN...oN...oN...x (32+4+2 bits - x to be discarded)
-    o        :  .... N... N... N... N... (32 bits - x ignored, N is carry-over)
-    carry-out: o    o    o    o    o      (5 bits)
+    partition:      p    p    p       (3 bits)
+    carry-in :      c    c    c    c (4 bits)
+    C = c & P:      C    C    C    c (4 bits)
+    I = P=>c :      I    I    I    c (4 bits)
+    a        :  AAAA AAAA AAAA AAAA  (32 bits)
+    b        :  BBBB BBBB BBBB BBBB  (32 bits)
+    exp-a    : 0AAAACAAAACAAAACAAAAc (32+3+2 bits, P=1 if no partition)
+    exp-b    : 0BBBBIBBBBIBBBBIBBBBc (32+2 bits plus 3 zeros)
+    exp-o    : o....oN...oN...oN...x (32+3+2 bits - x to be discarded)
+    o        :  .... N... N... N...  (32 bits - x ignored, N is carry-over)
+    carry-out: o    o    o    o      (4 bits)
 
 the new version