finish table-conversion of dynamic shift

diff --git a/3d_gpu/architecture/dynamic_simd/shift.mdwn b/3d_gpu/architecture/dynamic_simd/shift.mdwn
index dce5142decc320a30aae6309aa866498c5c3debc..d6bc35e6f043044c1f32964970410d7dc838ec55 100644 (file)
--- a/3d_gpu/architecture/dynamic_simd/shift.mdwn
+++ b/3d_gpu/architecture/dynamic_simd/shift.mdwn
@@ -49,7 +49,11 @@ p2p1p0 | o0        | o1       | o2       | o3
 1 1 1  | a0b0      | a1b1     | a2b2     | a3b3
 """]]
 
-Therefore, the actual output for o1 looks something like this:
+For o0 the output is simple: a0b0 for all partition permutations.
+
+    o0 = a0b0[7:0]
+
+The output for o1 looks something like this:
 
     p2p1p0 : o1
     0 0 0  : a0b0[15:8] | a1b0[7:0]
@@ -61,44 +65,55 @@ Therefore, the actual output for o1 looks something like this:
     1 1 0  | a0b0[15:8] | a1b0[7:0]
     1 1 1  | a0b0[15:8] | a1b1[7:0]
 
+    if True:           o1  = a0b0[15:8]
+    if ~p0:            o1 |= a1b0[7:0]
+    if  p0:            o1 |= a1b1[7:0]
+
 For o2:
 
     p2p1p0 : o2
-    0 0 0  | a0b0[23:16] | a1b0[15:8] | a2b0
-    0 0 1  | a0b0[23:16] | a1b1[15:8] | a2b1
-    0 1 0  | a0b0[23:16] | a1b0[15:8] | a2b2
-    0 1 1  | a0b0[23:16] | a1b1[15:8] | a2b2
-    1 0 0  | a0b0[23:16] | a1b0[15:8] | a2b0
-    1 0 1  | a0b0[23:16] | a1b1[15:8] | a2b1
-    1 1 0  | a0b0[23:16] | a1b0[15:8] | a2b2
-    1 1 1  | a0b0[23:16] | a1b1[15:8] | a2b2
+    0 0 0  | a0b0[23:16] | a1b0[15:8] | a2b0[7:0]
+    0 0 1  | a0b0[23:16] | a1b1[15:8] | a2b1[7:0]
+    0 1 0  | a0b0[23:16] | a1b0[15:8] | a2b2[7:0]
+    0 1 1  | a0b0[23:16] | a1b1[15:8] | a2b2[7:0]
+    1 0 0  | a0b0[23:16] | a1b0[15:8] | a2b0[7:0]
+    1 0 1  | a0b0[23:16] | a1b1[15:8] | a2b1[7:0]
+    1 1 0  | a0b0[23:16] | a1b0[15:8] | a2b2[7:0]
+    1 1 1  | a0b0[23:16] | a1b1[15:8] | a2b2[7:0]
+
+    therefore:
+
+    if True:          o2 =  a0b0[23:16]
+    if ~p0:           o2 |= a1b0[15:0]
+    if  p0:           o2 |= a1b1[15:0]
+    if ~p0&~p1:       o2 |= a2b0[7:0]
+    if  p0&~p1:       o2 |= a2b1[7:0]
+    if     ~p1:       o2 |= a2b2[7:0]
 
 For o3:
 
     p2p1p0 | o3
-    0 0 0  | a0b0[31:24] | a1b0[23:16] | a2b0[15:8] | a3b0
-    0 0 1  | a0b0[31:24] | a1b1[23:16] | a2b1[15:8] | a3b1
-    0 1 0  | a0b0[31:24] | a1b0[23:16] | a2b2[15:8] | a3b2
-    0 1 1  | a0b0[31:24] | a1b1[23:16] | a2b2[15:8] | a3b2
-    1 0 0  | a0b0[31:24] | a1b0[23:16] | a2b0[15:8] | a3b3
-    1 0 1  | a0b0[31:24] | a1b1[23:16] | a2b1[15:8] | a3b3
-    1 1 0  | a0b0[31:24] | a1b0[23:16] | a2b2[15:8] | a3b3
-    1 1 1  | a0b0[31:24] | a1b1[23:16] | a2b2[15:8] | a3b3
+    0 0 0  | a0b0[31:24] | a1b0[23:16] | a2b0[15:8] | a3b0[7:0]
+    0 0 1  | a0b0[31:24] | a1b1[23:16] | a2b1[15:8] | a3b1[7:0]
+    0 1 0  | a0b0[31:24] | a1b0[23:16] | a2b2[15:8] | a3b2[7:0]
+    0 1 1  | a0b0[31:24] | a1b1[23:16] | a2b2[15:8] | a3b2[7:0]
+    1 0 0  | a0b0[31:24] | a1b0[23:16] | a2b0[15:8] | a3b3[7:0]
+    1 0 1  | a0b0[31:24] | a1b1[23:16] | a2b1[15:8] | a3b3[7:0]
+    1 1 0  | a0b0[31:24] | a1b0[23:16] | a2b2[15:8] | a3b3[7:0]
+    1 1 1  | a0b0[31:24] | a1b1[23:16] | a2b2[15:8] | a3b3[7:0]
 
     therefore:
 
-    if True:          o3 = a0b0[31:24]
+    if True:          o3 =  a0b0[31:24]
     if ~p0:           o3 |= a1b0[23:16]
     if  p0:           o3 |= a1b1[23:16]
     if ~p0&p1:        o3 |= a2b1[15:8]
     if  p0&p1:        o3 |= a2b0[15:8]
     if      p1:       o3 |= a2b2[15:8]
-    if ~p0&~p1&~p2:   o3 |= a3b0
-    if  p0&~p1&~p2:   o3 |= a3b1
-    if      p1&~p2:   o3 |= a3b2
-    if          p2:   o3 |= a3b3
-
-Where for o0 the output is simple: a0b0 for all partition permutations.
+    if ~p0&~p1&~p2:   o3 |= a3b0[7:0]
+    if  p0&~p1&~p2:   o3 |= a3b1[7:0]
+    if      p1&~p2:   o3 |= a3b2[7:0]
+    if          p2:   o3 |= a3b3[7:0]
 
 ## Note