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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Assembler helper macros to generate .byte/.word code for instructions
* that are unknown to older binutils versions.
*/
#ifndef __ASM_S390_INSN_COMMON_ASM_H
#define __ASM_S390_INSN_COMMON_ASM_H
#ifdef __ASSEMBLER__
/*
* GR_NUM - Retrieve general-purpose register number
*
* @opd: Operand to store register number
* @gr: String designation register in the format "%rN"
*/
.macro GR_NUM opd gr
\opd = 255
.irp rs,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
.ifc \gr,%r\rs
\opd = \rs
.endif
.endr
.if \opd == 255
\opd = \gr
.endif
.endm
/*
* VX_NUM - Retrieve vector register number
*
* @opd: Operand to store register number
* @vxr: String designation register in the format "%vN"
*
* The vector register number is used for as input number to the
* instruction and, as well as, to compute the RXB field of the
* instruction.
*/
.macro VX_NUM opd vxr
\opd = 255
.irp vs,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31
.ifc \vxr,%v\vs
\opd = \vs
.endif
.endr
.if \opd == 255
\opd = \vxr
.endif
.endm
#endif /* __ASSEMBLER__ */
#endif /* __ASM_S390_INSN_COMMON_ASM_H */
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