Updated SIMD cv.add/cv.sub

Signed-off-by: Pascal Gouedo <[email protected]>
openhwgroup · Oct 5, 2023 · 2b1f049 · 2b1f049
1 parent 1242cbc
commit 2b1f049
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/docs/source/instruction_set_extensions.rst b/docs/source/instruction_set_extensions.rst
@@ -1349,9 +1349,9 @@ SIMD ALU operations
   +------------------------------------------------------------+------------------------------------------------------------------+
   | **Mnemonic**                                               | **Description**                                                  |
   +============================================================+==================================================================+
-  | **cv.add[.sc,.sci]{.h,.b} rD, rs1, [rs2, Imm6]**           | rD[i] = (rs1[i] + op2[i]) & 0xFFFF                               |
+  | **cv.add[.sc,.sci]{.h,.b} rD, rs1, [rs2, Imm6]**           | rD[i] = (rs1[i] + op2[i]) & {0xFFFF, 0xFF}                       |
   +------------------------------------------------------------+------------------------------------------------------------------+
-  | **cv.sub[.sc,.sci]{.h,.b} rD, rs1, [rs2, Imm6]**           | rD[i] = (rs1[i] - op2[i]) & 0xFFFF                               |
+  | **cv.sub[.sc,.sci]{.h,.b} rD, rs1, [rs2, Imm6]**           | rD[i] = (rs1[i] - op2[i]) & {0xFFFF, 0xFF}                       |
   +------------------------------------------------------------+------------------------------------------------------------------+
   | **cv.avg[.sc,.sci]{.h,.b} rD, rs1, [rs2, Imm6]**           | rD[i] = ((rs1[i] + op2[i]) & {0xFFFF, 0xFF}) >> 1                |
   |                                                            |                                                                  |