IBM Z: Add missing vector formats to .insn docs

gas/

	* doc/c-s390.texi: Document vector instruction formats.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index c95c3e14e432b0bfe19cdb92bc168396a2de6f73..4d675dc79ae538815e26333e17c71f8fd020fcb2 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,7 @@
+2021-02-03  Andreas Krebbel  <krebbel@linux.ibm.com>
+
+       * doc/c-s390.texi: Document vector instruction formats.
+
 2021-02-01  Emery Hemingway  <ehmry@posteo.net>
 
        * configure.tgt: Add *-*-genode* as a target for AArch64 and x86.

diff --git a/gas/doc/c-s390.texi b/gas/doc/c-s390.texi
index c1b46a10c1eceb0b2e1f20ebd5f322f28242e443..02881c3c8bebe1a8f5fe26716298d49bb0ff2a39 100644 (file)
--- a/gas/doc/c-s390.texi
+++ b/gas/doc/c-s390.texi
@@ -312,7 +312,7 @@ field. The notation changes as follows:
 @cindex instruction formats, s390
 @cindex s390 instruction formats
 
-The Principles of Operation manuals lists 26 instruction formats where
+The Principles of Operation manuals lists 35 instruction formats where
 some of the formats have multiple variants. For the @samp{.insn}
 pseudo directive the assembler recognizes some of the formats.
 Typically, the most general variant of the instruction format is used
@@ -544,6 +544,54 @@ with the @samp{.insn} pseudo directive:
 0        8    12   16   20            32   36           47
 @end verbatim
 
+@item VRV format: <insn> V1,D2(V2,B2),M3
+@verbatim
++--------+----+----+----+-------------+----+------------+
+| OpCode | V1 | V2 | B2 |     D2      | M3 |   Opcode   |
++--------+----+----+----+-------------+----+------------+
+0        8    12   16   20            32   36           47
+@end verbatim
+
+@item VRI format: <insn> V1,V2,I3,M4,M5
+@verbatim
++--------+----+----+-------------+----+----+------------+
+| OpCode | V1 | V2 |     I3      | M5 | M4 |   Opcode   |
++--------+----+----+-------------+----+----+------------+
+0        8    12   16            28   32   36           47
+@end verbatim
+
+@item VRX format: <insn> V1,D2(R2,B2),M3
+@verbatim
++--------+----+----+----+-------------+----+------------+
+| OpCode | V1 | R2 | B2 |     D2      | M3 |   Opcode   |
++--------+----+----+----+-------------+----+------------+
+0        8    12   16   20            32   36           47
+@end verbatim
+
+@item VRS format: <insn> R1,V3,D2(B2),M4
+@verbatim
++--------+----+----+----+-------------+----+------------+
+| OpCode | R1 | V3 | B2 |     D2      | M4 |   Opcode   |
++--------+----+----+----+-------------+----+------------+
+0        8    12   16   20            32   36           47
+@end verbatim
+
+@item VRR format: <insn> V1,V2,V3,M4,M5,M6
+@verbatim
++--------+----+----+----+---+----+----+----+------------+
+| OpCode | V1 | V2 | V3 |///| M6 | M5 | M4 |   Opcode   |
++--------+----+----+----+---+----+----+----+------------+
+0        8    12   16       24   28   32   36           47
+@end verbatim
+
+@item VSI format: <insn> V1,D2(B2),I3
+@verbatim
++--------+---------+----+-------------+----+------------+
+| OpCode |   I3    | B2 |     D2      | V1 |   Opcode   |
++--------+---------+----+-------------+----+------------+
+0        8         16   20            32   36           47
+@end verbatim
+
 @end table
 
 For the complete list of all instruction format variants see the