High Level Assembler - Opcodes overview, Vector Extension Set A4

The table below lists all documented opcodes in extension set A4 for IBM mainframe processors. Each opcode links to a text section with some additional info on the pertinent opcode.

Opcode Assignments.

Remark:
Please note that the creation of descriptions for all individual instructions is an ongoing process. As yet no such descriptions have been created for the opcodes on this page.

Extension Set A4 - Vector Facility

All instructions in this table are four bytes in length. The first byte always has a value of X'A4', the second byte designates the exact instruction.

All entries in this table have a slightly darker background because the entire extension set is no longer supported on either current mainframe hardware or by IBM's current version of HLASM. The associated mnemonics are printed in italics.

A4	_0	_1	_2	_3	_4	_5	_6	_7	_8	_9	_A	_B	_D	_E	_F
0_	VAE	VSE	VME	VDE	VMAE	VMSE	VMCE	VACE	VCE	VL VLE	VLM VLME	VLY VLYE	VST VSTE	VSTM VSTME	VSTK VSTKE
1_	VAD	VSD	VMD	VDD	VMAD	VMSD	VMCD	VACD	VCD	VLD	VLMD	VLYD	VSTD	VSTMD	VSTKD
2_	VA	VS	VM		VN	VO	VX		VC	VLH	VLINT		VSTH
3_
4_				VSQE	VTAE	VTSE
5_				VSQD	VTAD	VTSD
6_
7_
8_	VAES	VSES	VMES	VDES	VMAES	VMSES			VCES
9_	VADS	VSDS	VMDS	VDDS	VMADS	VMSDS			VCDS
A_	VAS	VSS	VMS		VNS	VOS	VXS		VCS
B_
C_
D_
E_
F_

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