/* SPDX-License-Identifier: GPL-2.0 */ /* * Support for Vector Instructions * * Assembler macros to generate .byte/.word code for particular * vector instructions that are supported by recent binutils (>= 2.26) only. * * Copyright IBM Corp. 2015 * Author(s): Hendrik Brueckner */ #ifndef __ASM_S390_FPU_INSN_ASM_H #define __ASM_S390_FPU_INSN_ASM_H #ifndef __ASM_S390_FPU_INSN_H #error only can be included directly #endif #ifdef __ASSEMBLY__ /* Macros to generate vector instruction byte code */ /* GR_NUM - Retrieve general-purpose register number * * @opd: Operand to store register number * @r64: String designation register in the format "%rN" */ .macro GR_NUM opd gr \opd = 255 .ifc \gr,%r0 \opd = 0 .endif .ifc \gr,%r1 \opd = 1 .endif .ifc \gr,%r2 \opd = 2 .endif .ifc \gr,%r3 \opd = 3 .endif .ifc \gr,%r4 \opd = 4 .endif .ifc \gr,%r5 \opd = 5 .endif .ifc \gr,%r6 \opd = 6 .endif .ifc \gr,%r7 \opd = 7 .endif .ifc \gr,%r8 \opd = 8 .endif .ifc \gr,%r9 \opd = 9 .endif .ifc \gr,%r10 \opd = 10 .endif .ifc \gr,%r11 \opd = 11 .endif .ifc \gr,%r12 \opd = 12 .endif .ifc \gr,%r13 \opd = 13 .endif .ifc \gr,%r14 \opd = 14 .endif .ifc \gr,%r15 \opd = 15 .endif .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 .ifc \vxr,%v0 \opd = 0 .endif .ifc \vxr,%v1 \opd = 1 .endif .ifc \vxr,%v2 \opd = 2 .endif .ifc \vxr,%v3 \opd = 3 .endif .ifc \vxr,%v4 \opd = 4 .endif .ifc \vxr,%v5 \opd = 5 .endif .ifc \vxr,%v6 \opd = 6 .endif .ifc \vxr,%v7 \opd = 7 .endif .ifc \vxr,%v8 \opd = 8 .endif .ifc \vxr,%v9 \opd = 9 .endif .ifc \vxr,%v10 \opd = 10 .endif .ifc \vxr,%v11 \opd = 11 .endif .ifc \vxr,%v12 \opd = 12 .endif .ifc \vxr,%v13 \opd = 13 .endif .ifc \vxr,%v14 \opd = 14 .endif .ifc \vxr,%v15 \opd = 15 .endif .ifc \vxr,%v16 \opd = 16 .endif .ifc \vxr,%v17 \opd = 17 .endif .ifc \vxr,%v18 \opd = 18 .endif .ifc \vxr,%v19 \opd = 19 .endif .ifc \vxr,%v20 \opd = 20 .endif .ifc \vxr,%v21 \opd = 21 .endif .ifc \vxr,%v22 \opd = 22 .endif .ifc \vxr,%v23 \opd = 23 .endif .ifc \vxr,%v24 \opd = 24 .endif .ifc \vxr,%v25 \opd = 25 .endif .ifc \vxr,%v26 \opd = 26 .endif .ifc \vxr,%v27 \opd = 27 .endif .ifc \vxr,%v28 \opd = 28 .endif .ifc \vxr,%v29 \opd = 29 .endif .ifc \vxr,%v30 \opd = 30 .endif .ifc \vxr,%v31 \opd = 31 .endif .if \opd == 255 \opd = \vxr .endif .endm /* RXB - Compute most significant bit used vector registers * * @rxb: Operand to store computed RXB value * @v1: Vector register designated operand whose MSB is stored in * RXB bit 0 (instruction bit 36) and whose remaining bits * are stored in instruction bits 8-11. * @v2: Vector register designated operand whose MSB is stored in * RXB bit 1 (instruction bit 37) and whose remaining bits * are stored in instruction bits 12-15. * @v3: Vector register designated operand whose MSB is stored in * RXB bit 2 (instruction bit 38) and whose remaining bits * are stored in instruction bits 16-19. * @v4: Vector register designated operand whose MSB is stored in * RXB bit 3 (instruction bit 39) and whose remaining bits * are stored in instruction bits 32-35. * * Note: In most vector instruction formats [1] V1, V2, V3, and V4 directly * correspond to @v1, @v2, @v3, and @v4. But there are exceptions, such as but * not limited to the vector instruction formats VRR-g, VRR-h, VRS-a, VRS-d, * and VSI. * * [1] IBM z/Architecture Principles of Operation, chapter "Program * Execution, section "Instructions", subsection "Instruction Formats". */ .macro RXB rxb v1 v2=0 v3=0 v4=0 \rxb = 0 .if \v1 & 0x10 \rxb = \rxb | 0x08 .endif .if \v2 & 0x10 \rxb = \rxb | 0x04 .endif .if \v3 & 0x10 \rxb = \rxb | 0x02 .endif .if \v4 & 0x10 \rxb = \rxb | 0x01 .endif .endm /* MRXB - Generate Element Size Control and RXB value * * @m: Element size control * @v1: First vector register designated operand (for RXB) * @v2: Second vector register designated operand (for RXB) * @v3: Third vector register designated operand (for RXB) * @v4: Fourth vector register designated operand (for RXB) * * Note: For @v1, @v2, @v3, and @v4 also refer to the RXB macro * description for further details. */ .macro MRXB m v1 v2=0 v3=0 v4=0 rxb = 0 RXB rxb, \v1, \v2, \v3, \v4 .byte (\m << 4) | rxb .endm /* MRXBOPC - Generate Element Size Control, RXB, and final Opcode fields * * @m: Element size control * @opc: Opcode * @v1: First vector register designated operand (for RXB) * @v2: Second vector register designated operand (for RXB) * @v3: Third vector register designated operand (for RXB) * @v4: Fourth vector register designated operand (for RXB) * * Note: For @v1, @v2, @v3, and @v4 also refer to the RXB macro * description for further details. */ .macro MRXBOPC m opc v1 v2=0 v3=0 v4=0 MRXB \m, \v1, \v2, \v3, \v4 .byte \opc .endm /* Vector support instructions */ /* VECTOR GENERATE BYTE MASK */ .macro VGBM vr imm2 VX_NUM v1, \vr .word (0xE700 | ((v1&15) << 4)) .word \imm2 MRXBOPC 0, 0x44, v1 .endm .macro VZERO vxr VGBM \vxr, 0 .endm .macro VONE vxr VGBM \vxr, 0xFFFF .endm /* VECTOR LOAD VR ELEMENT FROM GR */ .macro VLVG v, gr, disp, m VX_NUM v1, \v GR_NUM b2, "%r0" GR_NUM r3, \gr .word 0xE700 | ((v1&15) << 4) | r3 .word (b2 << 12) | (\disp) MRXBOPC \m, 0x22, v1 .endm .macro VLVGB v, gr, index, base VLVG \v, \gr, \index, \base, 0 .endm .macro VLVGH v, gr, index VLVG \v, \gr, \index, 1 .endm .macro VLVGF v, gr, index VLVG \v, \gr, \index, 2 .endm .macro VLVGG v, gr, index VLVG \v, \gr, \index, 3 .endm /* VECTOR LOAD REGISTER */ .macro VLR v1, v2 VX_NUM v1, \v1 VX_NUM v2, \v2 .word 0xE700 | ((v1&15) << 4) | (v2&15) .word 0 MRXBOPC 0, 0x56, v1, v2 .endm /* VECTOR LOAD */ .macro VL v, disp, index="%r0", base VX_NUM v1, \v GR_NUM x2, \index GR_NUM b2, \base .word 0xE700 | ((v1&15) << 4) | x2 .word (b2 << 12) | (\disp) MRXBOPC 0, 0x06, v1 .endm /* VECTOR LOAD ELEMENT */ .macro VLEx vr1, disp, index="%r0", base, m3, opc VX_NUM v1, \vr1 GR_NUM x2, \index GR_NUM b2, \base .word 0xE700 | ((v1&15) << 4) | x2 .word (b2 << 12) | (\disp) MRXBOPC \m3, \opc, v1 .endm .macro VLEB vr1, disp, index="%r0", base, m3 VLEx \vr1, \disp, \index, \base, \m3, 0x00 .endm .macro VLEH vr1, disp, index="%r0", base, m3 VLEx \vr1, \disp, \index, \base, \m3, 0x01 .endm .macro VLEF vr1, disp, index="%r0", base, m3 VLEx \vr1, \disp, \index, \base, \m3, 0x03 .endm .macro VLEG vr1, disp, index="%r0", base, m3 VLEx \vr1, \disp, \index, \base, \m3, 0x02 .endm /* VECTOR LOAD ELEMENT IMMEDIATE */ .macro VLEIx vr1, imm2, m3, opc VX_NUM v1, \vr1 .word 0xE700 | ((v1&15) << 4) .word \imm2 MRXBOPC \m3, \opc, v1 .endm .macro VLEIB vr1, imm2, index VLEIx \vr1, \imm2, \index, 0x40 .endm .macro VLEIH vr1, imm2, index VLEIx \vr1, \imm2, \index, 0x41 .endm .macro VLEIF vr1, imm2, index VLEIx \vr1, \imm2, \index, 0x43 .endm .macro VLEIG vr1, imm2, index VLEIx \vr1, \imm2, \index, 0x42 .endm /* VECTOR LOAD GR FROM VR ELEMENT */ .macro VLGV gr, vr, disp, base="%r0", m GR_NUM r1, \gr GR_NUM b2, \base VX_NUM v3, \vr .word 0xE700 | (r1 << 4) | (v3&15) .word (b2 << 12) | (\disp) MRXBOPC \m, 0x21, 0, v3 .endm .macro VLGVB gr, vr, disp, base="%r0" VLGV \gr, \vr, \disp, \base, 0 .endm .macro VLGVH gr, vr, disp, base="%r0" VLGV \gr, \vr, \disp, \base, 1 .endm .macro VLGVF gr, vr, disp, base="%r0" VLGV \gr, \vr, \disp, \base, 2 .endm .macro VLGVG gr, vr, disp, base="%r0" VLGV \gr, \vr, \disp, \base, 3 .endm /* VECTOR LOAD MULTIPLE */ .macro VLM vfrom, vto, disp, base, hint=3 VX_NUM v1, \vfrom VX_NUM v3, \vto GR_NUM b2, \base .word 0xE700 | ((v1&15) << 4) | (v3&15) .word (b2 << 12) | (\disp) MRXBOPC \hint, 0x36, v1, v3 .endm /* VECTOR STORE */ .macro VST vr1, disp, index="%r0", base VX_NUM v1, \vr1 GR_NUM x2, \index GR_NUM b2, \base .word 0xE700 | ((v1&15) << 4) | (x2&15) .word (b2 << 12) | (\disp) MRXBOPC 0, 0x0E, v1 .endm /* VECTOR STORE BYTE REVERSED ELEMENTS */ .macro VSTBR vr1, disp, index="%r0", base, m VX_NUM v1, \vr1 GR_NUM x2, \index GR_NUM b2, \base .word 0xE600 | ((v1&15) << 4) | (x2&15) .word (b2 << 12) | (\disp) MRXBOPC \m, 0x0E, v1 .endm .macro VSTBRH vr1, disp, index="%r0", base VSTBR \vr1, \disp, \index, \base, 1 .endm .macro VSTBRF vr1, disp, index="%r0", base VSTBR \vr1, \disp, \index, \base, 2 .endm .macro VSTBRG vr1, disp, index="%r0", base VSTBR \vr1, \disp, \index, \base, 3 .endm .macro VSTBRQ vr1, disp, index="%r0", base VSTBR \vr1, \disp, \index, \base, 4 .endm /* VECTOR STORE MULTIPLE */ .macro VSTM vfrom, vto, disp, base, hint=3 VX_NUM v1, \vfrom VX_NUM v3, \vto GR_NUM b2, \base .word 0xE700 | ((v1&15) << 4) | (v3&15) .word (b2 << 12) | (\disp) MRXBOPC \hint, 0x3E, v1, v3 .endm /* VECTOR PERMUTE */ .macro VPERM vr1, vr2, vr3, vr4 VX_NUM v1, \vr1 VX_NUM v2, \vr2 VX_NUM v3, \vr3 VX_NUM v4, \vr4 .word 0xE700 | ((v1&15) << 4) | (v2&15) .word ((v3&15) << 12) MRXBOPC (v4&15), 0x8C, v1, v2, v3, v4 .endm /* VECTOR UNPACK LOGICAL LOW */ .macro VUPLL vr1, vr2, m3 VX_NUM v1, \vr1 VX_NUM v2, \vr2 .word 0xE700 | ((v1&15) << 4) | (v2&15) .word 0x0000 MRXBOPC \m3, 0xD4, v1, v2 .endm .macro VUPLLB vr1, vr2 VUPLL \vr1, \vr2, 0 .endm .macro VUPLLH vr1, vr2 VUPLL \vr1, \vr2, 1 .endm .macro VUPLLF vr1, vr2 VUPLL \vr1, \vr2, 2 .endm /* VECTOR PERMUTE DOUBLEWORD IMMEDIATE */ .macro VPDI vr1, vr2, vr3, m4 VX_NUM v1, \vr1 VX_NUM v2, \vr2 VX_NUM v3, \vr3 .word 0xE700 | ((v1&15) << 4) | (v2&15) .word ((v3&15) << 12) MRXBOPC \m4, 0x84, v1, v2, v3 .endm /* VECTOR REPLICATE */ .macro VREP vr1, vr3, imm2, m4 VX_NUM v1, \vr1 VX_NUM v3, \vr3 .word 0xE700 | ((v1&15) << 4) | (v3&15) .word \imm2 MRXBOPC \m4, 0x4D, v1, v3 .endm .macro VREPB vr1, vr3, imm2 VREP \vr1, \vr3, \imm2, 0 .endm .macro VREPH vr1, vr3, imm2 VREP \vr1, \vr3, \imm2, 1 .endm .macro VREPF vr1, vr3, imm2 VREP \vr1, \vr3, \imm2, 2 .endm .macro VREPG vr1, vr3, imm2 VREP \vr1, \vr3, \imm2, 3 .endm /* VECTOR MERGE HIGH */ .macro VMRH vr1, vr2, vr3, m4 VX_NUM v1, \vr1 VX_NUM v2, \vr2 VX_NUM v3, \vr3 .word 0xE700 | ((v1&15) << 4) | (v2&15) .word ((v3&15) << 12) MRXBOPC \m4, 0x61, v1, v2, v3 .endm .macro VMRHB vr1, vr2, vr3 VMRH \vr1, \vr2, \vr3, 0 .endm .macro VMRHH vr1, vr2, vr3 VMRH \vr1, \vr2, \vr3, 1 .endm .macro VMRHF vr1, vr2, vr3 VMRH \vr1, \vr2, \vr3, 2 .endm .macro VMRHG vr1, vr2, vr3 VMRH \vr1, \vr2, \vr3, 3 .endm /* VECTOR MERGE LOW */ .macro VMRL vr1, vr2, vr3, m4 VX_NUM v1, \vr1 VX_NUM v2, \vr2 VX_NUM v3, \vr3 .word 0xE700 | ((v1&15) << 4) | (v2&15) .word ((v3&15) << 12) MRXBOPC \m4, 0x60, v1, v2, v3 .endm .macro VMRLB vr1, vr2, vr3 VMRL \vr1, \vr2, \vr3, 0 .endm .macro VMRLH vr1, vr2, vr3 VMRL \vr1, \vr2, \vr3, 1 .endm .macro VMRLF vr1, vr2, vr3 VMRL \vr1, \vr2, \vr3, 2 .endm .macro VMRLG vr1, vr2, vr3 VMRL \vr1, \vr2, \vr3, 3 .endm /* VECTOR LOAD WITH LENGTH */ .macro VLL v, gr, disp, base VX_NUM v1, \v GR_NUM b2, \base GR_NUM r3, \gr .word 0xE700 | ((v1&15) << 4) | r3 .word (b2 << 12) | (\disp) MRXBOPC 0, 0x37, v1 .endm /* VECTOR STORE WITH LENGTH */ .macro VSTL v, gr, disp, base VX_NUM v1, \v GR_NUM b2, \base GR_NUM r3, \gr .word 0xE700 | ((v1&15) << 4) | r3 .word (b2 << 12) | (\disp) MRXBOPC 0, 0x3f, v1 .endm /* Vector integer instructions */ /* VECTOR AND */ .macro VN vr1, vr2, vr3 VX_NUM v1, \vr1 VX_NUM v2, \vr2 VX_NUM v3, \vr3 .word 0xE700 | ((v1&15) << 4) | (v2&15) .word ((v3&15) << 12) MRXBOPC 0, 0x68, v1, v2, v3 .endm /* VECTOR CHECKSUM */ .macro VCKSM vr1, vr2, vr3 VX_NUM v1, \vr1 VX_NUM v2, \vr2 VX_NUM v3, \vr3 .word 0xE700 | ((v1&15) << 4) | (v2&15) .word ((v3&15) << 12) MRXBOPC 0, 0x66, v1, v2, v3 .endm /* VECTOR EXCLUSIVE OR */ .macro VX vr1, vr2, vr3 VX_NUM v1, \vr1 VX_NUM v2, \vr2 VX_NUM v3, \vr3 .word 0xE700 | ((v1&15) << 4) | (v2&15) .word ((v3&15) << 12) MRXBOPC 0, 0x6D, v1, v2, v3 .endm /* VECTOR GALOIS FIELD MULTIPLY SUM */ .macro VGFM vr1, vr2, vr3, m4 VX_NUM v1, \vr1 VX_NUM v2, \vr2 VX_NUM v3, \vr3 .word 0xE700 | ((v1&15) << 4) | (v2&15) .word ((v3&15) << 12) MRXBOPC \m4, 0xB4, v1, v2, v3 .endm .macro VGFMB vr1, vr2, vr3 VGFM \vr1, \vr2, \vr3, 0 .endm .macro VGFMH vr1, vr2, vr3 VGFM \vr1, \vr2, \vr3, 1 .endm .macro VGFMF vr1, vr2, vr3 VGFM \vr1, \vr2, \vr3, 2 .endm .macro VGFMG vr1, vr2, vr3 VGFM \vr1, \vr2, \vr3, 3 .endm /* VECTOR GALOIS FIELD MULTIPLY SUM AND ACCUMULATE */ .macro VGFMA vr1, vr2, vr3, vr4, m5 VX_NUM v1, \vr1 VX_NUM v2, \vr2 VX_NUM v3, \vr3 VX_NUM v4, \vr4 .word 0xE700 | ((v1&15) << 4) | (v2&15) .word ((v3&15) << 12) | (\m5 << 8) MRXBOPC (v4&15), 0xBC, v1, v2, v3, v4 .endm .macro VGFMAB vr1, vr2, vr3, vr4 VGFMA \vr1, \vr2, \vr3, \vr4, 0 .endm .macro VGFMAH vr1, vr2, vr3, vr4 VGFMA \vr1, \vr2, \vr3, \vr4, 1 .endm .macro VGFMAF vr1, vr2, vr3, vr4 VGFMA \vr1, \vr2, \vr3, \vr4, 2 .endm .macro VGFMAG vr1, vr2, vr3, vr4 VGFMA \vr1, \vr2, \vr3, \vr4, 3 .endm /* VECTOR SHIFT RIGHT LOGICAL BY BYTE */ .macro VSRLB vr1, vr2, vr3 VX_NUM v1, \vr1 VX_NUM v2, \vr2 VX_NUM v3, \vr3 .word 0xE700 | ((v1&15) << 4) | (v2&15) .word ((v3&15) << 12) MRXBOPC 0, 0x7D, v1, v2, v3 .endm /* VECTOR REPLICATE IMMEDIATE */ .macro VREPI vr1, imm2, m3 VX_NUM v1, \vr1 .word 0xE700 | ((v1&15) << 4) .word \imm2 MRXBOPC \m3, 0x45, v1 .endm .macro VREPIB vr1, imm2 VREPI \vr1, \imm2, 0 .endm .macro VREPIH vr1, imm2 VREPI \vr1, \imm2, 1 .endm .macro VREPIF vr1, imm2 VREPI \vr1, \imm2, 2 .endm .macro VREPIG vr1, imm2 VREP \vr1, \imm2, 3 .endm /* VECTOR ADD */ .macro VA vr1, vr2, vr3, m4 VX_NUM v1, \vr1 VX_NUM v2, \vr2 VX_NUM v3, \vr3 .word 0xE700 | ((v1&15) << 4) | (v2&15) .word ((v3&15) << 12) MRXBOPC \m4, 0xF3, v1, v2, v3 .endm .macro VAB vr1, vr2, vr3 VA \vr1, \vr2, \vr3, 0 .endm .macro VAH vr1, vr2, vr3 VA \vr1, \vr2, \vr3, 1 .endm .macro VAF vr1, vr2, vr3 VA \vr1, \vr2, \vr3, 2 .endm .macro VAG vr1, vr2, vr3 VA \vr1, \vr2, \vr3, 3 .endm .macro VAQ vr1, vr2, vr3 VA \vr1, \vr2, \vr3, 4 .endm /* VECTOR ELEMENT SHIFT RIGHT ARITHMETIC */ .macro VESRAV vr1, vr2, vr3, m4 VX_NUM v1, \vr1 VX_NUM v2, \vr2 VX_NUM v3, \vr3 .word 0xE700 | ((v1&15) << 4) | (v2&15) .word ((v3&15) << 12) MRXBOPC \m4, 0x7A, v1, v2, v3 .endm .macro VESRAVB vr1, vr2, vr3 VESRAV \vr1, \vr2, \vr3, 0 .endm .macro VESRAVH vr1, vr2, vr3 VESRAV \vr1, \vr2, \vr3, 1 .endm .macro VESRAVF vr1, vr2, vr3 VESRAV \vr1, \vr2, \vr3, 2 .endm .macro VESRAVG vr1, vr2, vr3 VESRAV \vr1, \vr2, \vr3, 3 .endm /* VECTOR ELEMENT ROTATE LEFT LOGICAL */ .macro VERLL vr1, vr3, disp, base="%r0", m4 VX_NUM v1, \vr1 VX_NUM v3, \vr3 GR_NUM b2, \base .word 0xE700 | ((v1&15) << 4) | (v3&15) .word (b2 << 12) | (\disp) MRXBOPC \m4, 0x33, v1, v3 .endm .macro VERLLB vr1, vr3, disp, base="%r0" VERLL \vr1, \vr3, \disp, \base, 0 .endm .macro VERLLH vr1, vr3, disp, base="%r0" VERLL \vr1, \vr3, \disp, \base, 1 .endm .macro VERLLF vr1, vr3, disp, base="%r0" VERLL \vr1, \vr3, \disp, \base, 2 .endm .macro VERLLG vr1, vr3, disp, base="%r0" VERLL \vr1, \vr3, \disp, \base, 3 .endm /* VECTOR SHIFT LEFT DOUBLE BY BYTE */ .macro VSLDB vr1, vr2, vr3, imm4 VX_NUM v1, \vr1 VX_NUM v2, \vr2 VX_NUM v3, \vr3 .word 0xE700 | ((v1&15) << 4) | (v2&15) .word ((v3&15) << 12) | (\imm4) MRXBOPC 0, 0x77, v1, v2, v3 .endm #endif /* __ASSEMBLY__ */ #endif /* __ASM_S390_FPU_INSN_ASM_H */