test table lookup intrinsics with negative indices

Author: gnzlbg

coresimd/arm/table_lookup_tests.rs

@@ -46,7 +46,7 @@ test_vtbl!(
     test_vtbl1_s8 => vtbl1_s8:
     - table[int8x8_t]: [0_i8, -11, 2, 3, 4, 5, 6, 7] |
     - ctrl[i8x8]: [3_i8, 4, 1, 6, 0, 2, 7, 5] => [3_i8, 4, -11, 6, 0, 2, 7, 5] |
-    - ctrl[i8x8]: [3_i8, 8, 1, 9, 10, 2, 15, 5] => [3_i8, 0, -11, 0, 0, 2, 0, 5]
+    - ctrl[i8x8]: [3_i8, 8, 1, -9, 10, 2, 15, 5] => [3_i8, 0, -11, 0, 0, 2, 0, 5]
 );
 
 test_vtbl!(
@@ -70,7 +70,7 @@ test_vtbl!(
         -106, -93, -84, -117, -104, -116, -72, -121
     ] |
     - ctrl[i8x8]: [127_i8, 15, 1, 14, 2, 13, 3, 12] => [0_i8, -121, -17, -72, 34, -116, 51, -104] |
-    - ctrl[i8x8]: [4_i8, 11, 16, 10, 6, 19, 7, 18] => [68_i8, -117, 0, -84, 102, 0, 119, 0]
+    - ctrl[i8x8]: [4_i8, 11, 16, 10, 6, -19, 7, 18] => [68_i8, -117, 0, -84, 102, 0, 119, 0]
 );
 
 test_vtbl!(
@@ -101,7 +101,7 @@ test_vtbl!(
         0, 1, -2, 3, 4, -5, 6, 7
     ] |
     - ctrl[i8x8]: [127_i8, 15, 1, 19, 2, 13, 21, 12] => [0_i8, -121, -17, 3, 34, -116, -5, -104] |
-    - ctrl[i8x8]: [4_i8, 11, 16, 10, 6, 27, 7, 18] => [68_i8, -117, 0, -84, 102, 0, 119, -2]
+    - ctrl[i8x8]: [4_i8, 11, 16, 10, 6, -27, 7, 18] => [68_i8, -117, 0, -84, 102, 0, 119, -2]
 );
 
 test_vtbl!(
@@ -135,7 +135,7 @@ test_vtbl!(
         8, -9, 10, 11, 12, -13, 14, 15
     ] |
     - ctrl[i8x8]: [127_i8, 15, 1, 19, 2, 13, 25, 12] => [0_i8, -121, -17, 3, 34, -116, -9, -104] |
-    - ctrl[i8x8]: [4_i8, 11, 32, 10, 6, 27, 7, 18] => [68_i8, -117, 0, -84, 102, 11, 119, -2]
+    - ctrl[i8x8]: [4_i8, 11, 32, 10, -33, 27, 7, 18] => [68_i8, -117, 0, -84, 0, 11, 119, -2]
 );
 
 test_vtbl!(
@@ -194,8 +194,8 @@ test_vtbx!(
     test_vtbx1_s8 => vtbx1_s8:
     - table[int8x8_t]: [0_i8, 1, 2, -3, 4, 5, 6, 7] |
     - ext[int8x8_t]: [50_i8, 51, 52, 53, 54, 55, 56, 57] |
-    - ctrl[i8x8]: [3_u8, 4, 1, 6, 0, 2, 7, 5] => [-3_i8, 4, 1, 6, 0, 2, 7, 5] |
-    - ctrl[i8x8]: [3_u8, 8, 1, 9, 10, 2, 15, 5] => [-3_i8, 51, 1, 53, 54, 2, 56, 5]
+    - ctrl[i8x8]: [3_i8, 4, 1, 6, 0, 2, 7, 5] => [-3_i8, 4, 1, 6, 0, 2, 7, 5] |
+    - ctrl[i8x8]: [3_i8, 8, 1, 9, 10, 2, -15, 5] => [-3_i8, 51, 1, 53, 54, 2, 56, 5]
 );
 
 test_vtbx!(
@@ -218,8 +218,8 @@ test_vtbx!(
     test_vtbx2_s8 => vtbx2_s8:
     - table[int8x8x2_t]: [0_i8, 1, 2, -3, 4, 5, 6, 7, 8, 9, -10, 11, 12, -13, 14, 15] |
     - ext[int8x8_t]: [50_i8, 51, 52, 53, 54, 55, 56, 57] |
-    - ctrl[i8x8]: [3_u8, 4, 1, 6, 10, 2, 7, 15] => [-3_i8, 4, 1, 6, -10, 2, 7, 15] |
-    - ctrl[i8x8]: [3_u8, 8, 1, 10, 17, 2, 15, 19] => [-3_i8, 8, 1, -10, 54, 2, 15, 57]
+    - ctrl[i8x8]: [3_i8, 4, 1, 6, 10, 2, 7, 15] => [-3_i8, 4, 1, 6, -10, 2, 7, 15] |
+    - ctrl[i8x8]: [3_i8, 8, 1, 10, 17, 2, 15, -19] => [-3_i8, 8, 1, -10, 54, 2, 15, 57]
 );
 
 test_vtbx!(
@@ -245,8 +245,8 @@ test_vtbx!(
         8, 9, -10, 11, 12, -13, 14, 15,
         16, -17, 18, 19, 20, 21, 22, 23 ] |
     - ext[int8x8_t]: [50_i8, 51, 52, 53, 54, 55, 56, 57] |
-    - ctrl[i8x8]: [3_u8, 4, 17, 22, 10, 2, 7, 15] => [-3_i8, 4, -17, 22, -10, 2, 7, 15] |
-    - ctrl[i8x8]: [3_u8, 8, 17, 10, 37, 2, 19, 29] => [-3_i8, 8, -17, -10, 54, 2, 19, 57]
+    - ctrl[i8x8]: [3_i8, 4, 17, 22, 10, 2, 7, 15] => [-3_i8, 4, -17, 22, -10, 2, 7, 15] |
+    - ctrl[i8x8]: [3_i8, 8, 17, 10, 37, 2, 19, -29] => [-3_i8, 8, -17, -10, 54, 2, 19, 57]
 );
 
 test_vtbx!(
@@ -279,8 +279,8 @@ test_vtbx!(
         16, -17, 18, 19, 20, 21, 22, 23,
         -24, 25, 26, -27, 28, -29, 30, 31] |
     - ext[int8x8_t]: [50_i8, 51, 52, 53, 54, 55, 56, 57] |
-    - ctrl[i8x8]: [3_u8, 31, 17, 22, 10, 29, 7, 15] => [-3_i8, 31, -17, 22, -10, -29, 7, 15] |
-    - ctrl[i8x8]: [3_u8, 8, 17, 10, 37, 2, 19, 42] => [-3_i8, 8, -17, -10, 54, 2, 19, 57]
+    - ctrl[i8x8]: [3_i8, 31, 17, 22, 10, 29, 7, 15] => [-3_i8, 31, -17, 22, -10, -29, 7, 15] |
+    - ctrl[i8x8]: [3_i8, 8, 17, 10, 37, 2, 19, -42] => [-3_i8, 8, -17, -10, 54, 2, 19, 57]
 );
 
 test_vtbx!(