added macros for sve zgemm kernels
authorBine Brank <binebrank@gmail.com>
Sat, 25 Dec 2021 10:46:41 +0000 (11:46 +0100)
committerBine Brank <binebrank@gmail.com>
Sat, 25 Dec 2021 10:46:41 +0000 (11:46 +0100)
kernel/arm64/zgemm_kernel_sve_v1x4.S [new file with mode: 0644]

diff --git a/kernel/arm64/zgemm_kernel_sve_v1x4.S b/kernel/arm64/zgemm_kernel_sve_v1x4.S
new file mode 100644 (file)
index 0000000..0fc966f
--- /dev/null
@@ -0,0 +1,1159 @@
+/*******************************************************************************
+Copyright (c) 2015, The OpenBLAS Project
+All rights reserved.
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+1. Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in
+the documentation and/or other materials provided with the
+distribution.
+3. Neither the name of the OpenBLAS project nor the names of
+its contributors may be used to endorse or promote products
+derived from this software without specific prior written permission.
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*******************************************************************************/
+
+#define ASSEMBLER
+#include "common.h"
+
+/*                   X0          X1          X2          s0        X3        x4       x5           x6 */
+/*int CNAME(BLASLONG bm,BLASLONG bn,BLASLONG bk,FLOAT alpha0,FLOAT* ba,FLOAT* bb,FLOAT* C,BLASLONG ldc */
+
+#define origM          x0
+#define origN          x1
+#define origK          x2
+#define origPA         x3
+#define origPB         x4
+#define pC             x5
+#define LDC            x6
+#define temp           x7
+#define counterL       x8
+#define counterI       x9
+#define counterJ       x10
+#define pB             x11
+#define pCRow0         x12
+#define pCRow1         x13
+#define pCRow2         x14
+#define pCRow3         x15
+#define pA             x16
+#define alphaR         x19
+#define alphaI         x20
+
+#define alphaz_R       z10.d
+#define alphaz_I       z11.d
+#define alpha0_R       d10
+#define alphaV0_R      v10.d[0]
+#define alpha0_I       d11
+#define alphaV0_I      v11.d[0]
+
+
+#define A_PRE_SIZE     2560
+#define B_PRE_SIZE     448
+#define C_PRE_SIZE     128
+
+#if defined(NN) || defined(NT) || defined(TN) || defined(TT)
+#define OP_rr          fmla
+#define OP_ii          fmls
+#define OP_ri          fmla
+#define OP_ir          fmla
+#elif defined(NR) || defined(NC) || defined(TR) || defined(TC)
+#define OP_rr          fmla
+#define OP_ii          fmla
+#define OP_ri          fmls
+#define OP_ir          fmla
+#elif defined(RN) || defined(RT) || defined(CN) || defined(CT)
+#define OP_rr          fmla
+#define OP_ii          fmla
+#define OP_ri          fmla
+#define OP_ir          fmls
+#elif defined(RR) || defined(RC) || defined(CR) || defined(CC)
+#define OP_rr          fmla
+#define OP_ii          fmls
+#define OP_ri          fmls
+#define OP_ir          fmls
+#endif
+
+// 00 origM
+// 01 origN
+// 02 origK
+// 03 origPA
+// 04 origPB
+// 05 pC
+// 06 origLDC -> LDC
+// 07 offset -> temp
+// 08 counterL
+// 09 counterI
+// 10 counterJ
+// 11 pB
+// 12 pCRow0
+// 13 pCRow1
+// 14 pCRow2
+// 15 pCRow3
+// 16 pA
+// 17 alpha_save_R
+// 18 must save alpha_save_I
+// 19 must save
+// 20 must save
+// 21 must save
+// 22 must save
+// 23 must save
+// 24 must save
+// 25 must save
+// 26 must save
+// 27 must save
+// 28 must save
+// 29 frame
+// 30 link
+// 31 sp
+
+//v00 ALPHA_R -> pA00_R, pA01_R
+//v01 ALPHA_I -> pA00_I, pA01_I
+//v02 pA02_R, pA03_R
+//v03 pA02_I, pA03_I
+//v04 pA10_R, pA11_R
+//v05 pA10_I, pA11_I
+//v06 pA12_R, pA13_R
+//v07 pA12_I, pA13_I
+//v08 must save pB00_R, pB01_R
+//v09 must save pB00_I, pB01_I
+//v10 must save pB02_R, pB03_R OR ALPHA0_R
+//v11 must save pB02_I, pB03_I OR ALPHA0_I
+//v12 must save pB10_R, pB11_R
+//v13 must save pB10_I, pB11_I
+//v14 must save pB12_R, pB13_R OR ALPHA1_R
+//v15 must save pB12_I, pB13_I OR ALPHA1_R
+//v16 pC0R
+//v17 pC0I
+//v18 pC1R
+//v19 pC1I
+//v20 pC2R
+//v21 pC2I
+//v22 pC3R
+//v23 pC3I
+//v24 pC3R
+//v25 pC3I
+//v26 pC22_R, pC23_R
+//v27 pC22_I, pC23_I
+//v28 pC30_R, pC31_R
+//v29 pC30_I, pC31_I
+//v30 pC32_R, pC33_R
+//v31 pC32_I, pC33_I
+
+/*******************************************************************************
+* Macro definitions
+*******************************************************************************/
+
+.macro INITv1x4
+       dup             z16.d, #0
+       dup             z17.d, #0
+       dup             z18.d, #0
+       dup             z19.d, #0
+       dup             z20.d, #0
+       dup             z21.d, #0
+       dup             z22.d, #0
+       dup             z23.d, #0
+.endm
+
+.macro KERNELv1x4_I
+       ld2d    {z0.d, z1.d}, p1/z, [pA]
+       ld2d    {z2.d, z3.d}, p1/z, [pA, lanes, lsl #4] // next one
+       add     pA, pA, lanes, lsl #5    // pA += lanes*2*2*8
+
+    ld1rd  z8.d, p0/z,  [pB]
+    ld1rd  z9.d, p0/z,  [pB, 8]
+    ld1rd  z10.d, p0/z, [pB, 16]
+    ld1rd  z11.d, p0/z, [pB, 24]
+    ld1rd  z12.d, p0/z, [pB, 32]
+    ld1rd  z13.d, p0/z, [pB, 40]
+    ld1rd  z14.d, p0/z, [pB, 48]
+    ld1rd  z15.d, p0/z, [pB, 56]
+
+    add pB, pB, 64
+
+       fmla    z16.d, p1/m, z0.d, z8.d
+       OP_ir   z17.d, p1/m, z1.d, z8.d
+    ld1rd  z8.d, p0/z,  [pB]
+#if defined(NR) || defined(NC) || defined(TR) || defined(TC) || \
+    defined(RR) || defined(RC) || defined(CR) || defined(CC)
+       #eor    z17.16b, z17.16b, z17.16b
+       fmls    z17.d, p1/m, z0.d, z9.d
+#else
+       fmla    z17.d, p1/m, z0.d, z9.d
+#endif
+       OP_ii   z16.d, p1/m, z1.d, z9.d
+    ld1rd  z9.d, p0/z,  [pB, 8]
+
+
+       fmla    z18.d, p1/m, z0.d, z10.d
+       OP_ir   z19.d, p1/m, z1.d, z10.d
+    ld1rd  z10.d, p0/z,  [pB, 16]
+       OP_ii   z18.d, p1/m, z1.d, z11.d
+#if defined(NR) || defined(NC) || defined(TR) || defined(TC) || \
+    defined(RR) || defined(RC) || defined(CR) || defined(CC)
+       #eor    z19.16b, z21.16b, z21.16b
+       fmls    z19.d, p1/m, z0.d, z11.d
+#else
+       fmla    z19.d, p1/m, z0.d, z11.d
+#endif
+    ld1rd  z11.d, p0/z,  [pB, 24]
+
+
+       fmla    z20.d, p1/m, z0.d, z12.d
+       OP_ir   z21.d, p1/m, z1.d, z12.d
+    ld1rd  z12.d, p0/z,  [pB, 32]
+#if defined(NR) || defined(NC) || defined(TR) || defined(TC) || \
+    defined(RR) || defined(RC) || defined(CR) || defined(CC)
+       #eor    z21.16b, z23.16b, z23.16b
+       fmls    z21.d, p1/m, z0.d, z13.d
+#else
+       fmla    z21.d, p1/m, z0.d, z13.d
+#endif
+       OP_ii   z20.d, p1/m, z1.d, z13.d
+    ld1rd  z13.d, p0/z,  [pB, 40]
+
+
+       fmla    z22.d, p1/m, z0.d, z14.d
+       OP_ir   z23.d, p1/m, z1.d, z14.d
+    ld1rd  z14.d, p0/z,  [pB, 48]
+#if defined(NR) || defined(NC) || defined(TR) || defined(TC) || \
+    defined(RR) || defined(RC) || defined(CR) || defined(CC)
+       #eor    z23.16b, z19.16b, z19.16b
+       fmls    z23.d, p1/m, z0.d, z15.d
+#else
+       fmla    z23.d, p1/m, z0.d, z15.d
+#endif
+       OP_ii   z22.d, p1/m, z1.d, z15.d
+    ld1rd  z15.d, p0/z,  [pB, 56]
+
+    add pB, pB, 64
+
+       prfm    PLDL1KEEP, [pA, #A_PRE_SIZE+64]
+.endm
+
+.macro KERNELv1x4_M1
+       ld2d    {z2.d, z3.d}, p1/z, [pA]
+       add     pA, pA, lanes, lsl #4   // pA = pA + lanes * 2 * 8
+
+       OP_rr   z16.d, p1/m, z0.d, z8.d
+       OP_ir   z17.d, p1/m, z1.d, z8.d
+    ld1rd  z8.d, p0/z,  [pB]
+       OP_ii   z16.d, p1/m, z1.d, z9.d
+       OP_ri   z17.d, p1/m, z0.d, z9.d
+    ld1rd  z9.d, p0/z,  [pB, 8]
+
+       OP_rr   z18.d, p1/m, z0.d, z10.d
+       OP_ir   z19.d, p1/m, z1.d, z10.d
+    ld1rd  z10.d, p0/z,  [pB, 16]
+       OP_ii   z18.d, p1/m, z1.d, z11.d
+       OP_ri   z19.d, p1/m, z0.d, z11.d
+    ld1rd  z11.d, p0/z,  [pB, 24]
+
+       OP_rr   z20.d, p1/m, z0.d, z12.d
+       OP_ir   z21.d, p1/m, z1.d, z12.d
+    ld1rd  z12.d, p0/z,  [pB, 32]
+       OP_ii   z20.d, p1/m, z1.d, z13.d
+       OP_ri   z21.d, p1/m, z0.d, z13.d
+    ld1rd  z13.d, p0/z,  [pB, 40]
+
+       OP_rr   z22.d, p1/m, z0.d, z14.d
+       OP_ir   z23.d, p1/m, z1.d, z14.d
+    ld1rd  z14.d, p0/z,  [pB, 48]
+       OP_ii   z22.d, p1/m, z1.d, z15.d
+       OP_ri   z23.d, p1/m, z0.d, z15.d
+    ld1rd  z15.d, p0/z,  [pB, 56]
+
+    add pB, pB, 64
+       prfm    PLDL1KEEP, [pA, #A_PRE_SIZE]
+
+       prfm    PLDL1KEEP, [pA, #A_PRE_SIZE+64]
+.endm
+
+.macro KERNELv1x4_M2
+       ld2d    {z2.d, z3.d}, p1/z, [pA]
+       add     pA, pA, lanes, lsl #4   // pA = pA + lanes *2 * 8
+
+       OP_rr   z16.d, p1/m, z2.d, z8.d
+       OP_ir   z17.d, p1/m, z3.d, z8.d
+    ld1rd  z8.d, p0/z,  [pB]
+       OP_ii   z16.d, p1/m, z3.d, z9.d
+       OP_ri   z17.d, p1/m, z2.d, z9.d
+    ld1rd  z9.d, p0/z,  [pB, 8]
+
+       OP_rr   z18.d, p1/m, z2.d, z10.d
+       OP_ir   z19.d, p1/m, z3.d, z10.d
+    ld1rd  z10.d, p0/z,  [pB, 16]
+       OP_ii   z18.d, p1/m, z3.d, z11.d
+       OP_ri   z19.d, p1/m, z2.d, z11.d
+    ld1rd  z11.d, p0/z,  [pB, 24]
+
+       OP_rr   z20.d, p1/m, z2.d, z12.d
+       OP_ir   z21.d, p1/m, z3.d, z12.d
+    ld1rd  z12.d, p0/z,  [pB, 32]
+       OP_ii   z20.d, p1/m, z3.d, z13.d
+       OP_ri   z21.d, p1/m, z2.d, z13.d
+    ld1rd  z13.d, p0/z,  [pB, 40]
+
+       OP_rr   z22.d, p1/m, z2.d, z14.d
+       OP_ir   z23.d, p1/m, z3.d, z14.d
+    ld1rd  z14.d, p0/z,  [pB, 48]
+       OP_ii   z22.d, p1/m, z3.d, z15.d
+       OP_ri   z23.d, p1/m, z2.d, z15.d
+    ld1rd  z15.d, p0/z,  [pB, 56]
+
+       prfm    PLDL1KEEP, [pB, #B_PRE_SIZE]
+
+    add pB, pB, 64
+
+       prfm    PLDL1KEEP, [pB, #B_PRE_SIZE+64]
+.endm
+
+.macro KERNELv1x4_E
+       OP_rr   z16.d, p1/m, z2.d, z8.d
+       OP_ir   z17.d, p1/m, z3.d, z8.d
+       OP_ii   z16.d, p1/m, z3.d, z9.d
+       OP_ri   z17.d, p1/m, z2.d, z9.d
+
+       OP_rr   z18.d, p1/m, z2.d, z10.d
+       OP_ir   z19.d, p1/m, z3.d, z10.d
+       OP_ii   z18.d, p1/m, z3.d, z11.d
+       OP_ri   z19.d, p1/m, z2.d, z11.d
+
+       OP_rr   z20.d, p1/m, z2.d, z12.d
+       OP_ir   z21.d, p1/m, z3.d, z12.d
+       OP_ii   z20.d, p1/m, z3.d, z13.d
+       OP_ri   z21.d, p1/m, z2.d, z13.d
+
+       OP_rr   z22.d, p1/m, z2.d, z14.d
+       OP_ir   z23.d, p1/m, z3.d, z14.d
+       OP_ii   z22.d, p1/m, z3.d, z15.d
+       OP_ri   z23.d, p1/m, z2.d, z15.d
+
+       prfm    PLDL1KEEP, [pB, #B_PRE_SIZE]
+
+       prfm    PLDL1KEEP, [pB, #B_PRE_SIZE+64]
+
+.endm
+
+.macro KERNELv1x4_SUB
+       ld2d    {z0.d, z1.d}, p1/z, [pA]
+       add     pA, pA, lanes, lsl #4   // pA = pA + lanes* 2  * 8
+
+    ld1rd  z8.d, p0/z,  [pB]
+    ld1rd  z9.d, p0/z,  [pB, 8]
+    ld1rd  z10.d, p0/z,  [pB, 16]
+    ld1rd  z11.d, p0/z,  [pB, 24]
+
+       OP_rr   z16.d, p1/m, z0.d, z8.d
+       OP_ir   z17.d, p1/m, z1.d, z8.d
+       OP_ii   z16.d, p1/m, z1.d, z9.d
+       OP_ri   z17.d, p1/m, z0.d, z9.d
+
+    ld1rd  z12.d, p0/z,  [pB, 32]
+    ld1rd  z13.d, p0/z,  [pB, 40]
+    ld1rd  z14.d, p0/z,  [pB, 48]
+    ld1rd  z15.d, p0/z,  [pB, 56]
+
+       OP_rr   z18.d, p1/m, z0.d, z10.d
+       OP_ir   z19.d, p1/m, z1.d, z10.d
+       OP_ii   z18.d, p1/m, z1.d, z11.d
+       OP_ri   z19.d, p1/m, z0.d, z11.d
+
+    add pB, pB, 64
+
+       OP_rr   z20.d, p1/m, z0.d, z12.d
+       OP_ir   z21.d, p1/m, z1.d, z12.d
+       OP_ii   z20.d, p1/m, z1.d, z13.d
+       OP_ri   z21.d, p1/m, z0.d, z13.d
+
+       OP_rr   z22.d, p1/m, z0.d, z14.d
+       OP_ir   z23.d, p1/m, z1.d, z14.d
+       OP_ii   z22.d, p1/m, z1.d, z15.d
+       OP_ri   z23.d, p1/m, z0.d, z15.d
+
+       prfm    PLDL1KEEP, [pB, #B_PRE_SIZE]
+       prfm    PLDL1KEEP, [pA, #A_PRE_SIZE]
+.endm
+
+.macro SAVEv1x4
+       prfm    PLDL2KEEP, [pCRow0, #C_PRE_SIZE]
+
+       ld2d    {z24.d, z25.d}, p1/z, [pCRow0]
+       fmla    z24.d, p1/m, z16.d, alphaz_R
+       fmls    z24.d, p1/m, z17.d, alphaz_I
+       fmla    z25.d, p1/m, z16.d, alphaz_I
+       fmla    z25.d, p1/m, z17.d, alphaz_R
+       st2d    {z25.d, z26.d}, p1, [pCRow0]
+
+       add     pCRow0, pCRow0, #32
+
+       ld2d    {z26.d, z27.d}, p1/z, [pCRow0]
+       fmla    z26.d, p1/m, z18.d, alphaz_R
+       fmls    z26.d, p1/m, z19.d, alphaz_I
+       fmla    z27.d, p1/m, z18.d, alphaz_I
+       fmla    z27.d, p1/m, z19.d, alphaz_R
+       st2d    {z26.d, z27.d}, p1, [pCRow0]
+
+       add     pCRow0, pCRow0, #32
+       prfm    PLDL2KEEP, [pCRow1, #C_PRE_SIZE]
+
+       ld2d    {z28.d, z29.d}, p1/z, [pCRow1]
+       fmla    z28.d, p1/m, z20.d, alphaz_R
+       fmls    z28.d, p1/m, z21.d, alphaz_I
+       fmla    z29.d, p1/m, z20.d, alphaz_I
+       fmla    z29.d, p1/m, z21.d, alphaz_R
+       st2d    {z28.d, z29.d}, p1, [pCRow1]
+
+       add     pCRow1, pCRow1, #32
+
+       ld2d    {z30.d, z31.d}, p1/z, [pCRow1]
+       fmla    z30.d, p1/m, z22.d, alphaz_R
+       fmls    z30.d, p1/m, z23.d, alphaz_I
+       fmla    z31.d, p1/m, z22.d, alphaz_I
+       fmla    z31.d, p1/m, z23.d, alphaz_R
+       st2d    {z30.d, z31.d}, p1, [pCRow1]
+
+       prfm    PLDL2KEEP, [pCRow2, #C_PRE_SIZE]
+
+       add     pCRow0, pCRow0, lanes, lsl #4   // pC = pC + lanes  * 2 *8
+
+       prfm    PLDL2KEEP, [pCRow3, #C_PRE_SIZE]
+
+.endm
+
+/******************************************************************************/
+
+
+.macro INITv1x2
+       dup             z16.d, #0
+       dup             z17.d, #0
+       dup             z18.d, #0
+       dup             z19.d, #0
+.endm
+
+.macro KERNELv1x2_SUB
+       ld2d    {z0.d, z1.d}, p1/z, [pA]
+       add     pA, pA, lanes, lsl #4   // pA = pA + lanes* 2  * 8
+
+    ld1rd  z8.d, p0/z,  [pB]
+    ld1rd  z9.d, p0/z,  [pB, 8]
+    ld1rd  z10.d, p0/z,  [pB, 16]
+    ld1rd  z11.d, p0/z,  [pB, 24]
+
+       OP_rr   z16.d, p1/m, z0.d, z8.d
+       OP_ir   z17.d, p1/m, z1.d, z8.d
+       OP_ii   z16.d, p1/m, z1.d, z9.d
+       OP_ri   z17.d, p1/m, z0.d, z9.d
+
+       OP_rr   z18.d, p1/m, z0.d, z10.d
+       OP_ir   z19.d, p1/m, z1.d, z10.d
+       OP_ii   z18.d, p1/m, z1.d, z11.d
+       OP_ri   z19.d, p1/m, z0.d, z11.d
+
+    add pB, pB, 32
+.endm
+
+.macro SAVEv1x2
+       prfm    PLDL2KEEP, [pCRow0, #C_PRE_SIZE]
+
+       ld2d    {z24.d, z25.d}, p1/z, [pCRow0]
+       fmla    z24.d, p1/m, z16.d, alphaz_R
+       fmls    z24.d, p1/m, z17.d, alphaz_I
+       fmla    z25.d, p1/m, z16.d, alphaz_I
+       fmla    z25.d, p1/m, z17.d, alphaz_R
+       st2d    {z25.d, z26.d}, p1, [pCRow0]
+
+       add     pCRow0, pCRow0, #32
+
+       ld2d    {z26.d, z27.d}, p1/z, [pCRow0]
+       fmla    z26.d, p1/m, z18.d, alphaz_R
+       fmls    z26.d, p1/m, z19.d, alphaz_I
+       fmla    z27.d, p1/m, z18.d, alphaz_I
+       fmla    z27.d, p1/m, z19.d, alphaz_R
+       st2d    {z26.d, z27.d}, p1, [pCRow0]
+
+       add     pCRow0, pCRow0, #32
+       prfm    PLDL2KEEP, [pCRow1, #C_PRE_SIZE]
+
+       prfm    PLDL2KEEP, [pCRow2, #C_PRE_SIZE]
+
+       add     pCRow0, pCRow0, lanes, lsl #4   // pC = pC + lanes * 2 *8
+
+.endm
+
+/******************************************************************************/
+
+
+.macro INITv1x1
+       dup             z16.d, #0
+       dup             z17.d, #0
+.endm
+
+
+.macro KERNELv1x1_SUB
+       ld2d    {z0.d, z1.d}, p1/z, [pA]
+       add     pA, pA, lanes, lsl #4   // pA = pA + lanes* 2  * 8
+
+    ld1rd  z8.d, p0/z,  [pB]
+    ld1rd  z9.d, p0/z,  [pB, 8]
+
+    add pB, pB, 16
+
+       OP_rr   z16.d, p1/m, z0.d, z8.d
+       OP_ir   z17.d, p1/m, z1.d, z8.d
+       OP_ii   z16.d, p1/m, z1.d, z9.d
+       OP_ri   z17.d, p1/m, z0.d, z9.d
+.endm
+
+.macro SAVEv1x1
+       prfm    PLDL2KEEP, [pCRow0, #C_PRE_SIZE]
+
+       ld2d    {z24.d, z25.d}, p1/z, [pCRow0]
+       fmla    z24.d, p1/m, z16.d, alphaz_R
+       fmls    z24.d, p1/m, z17.d, alphaz_I
+       fmla    z25.d, p1/m, z16.d, alphaz_I
+       fmla    z25.d, p1/m, z17.d, alphaz_R
+       st2d    {z25.d, z26.d}, p1, [pCRow0]
+
+       add     pCRow0, pCRow0, #32
+
+
+       add     pCRow0, pCRow0, lanes, lsl #4   // pC = pC + lanes  * 2 *8
+
+       prfm    PLDL2KEEP, [pCRow3, #C_PRE_SIZE]
+
+.endm
+
+/******************************************************************************/
+
+/*******************************************************************************
+* End of macro definitions
+*******************************************************************************/
+
+       PROLOGUE
+
+       .align 5
+       add     sp, sp, #-(11 * 16)
+       stp     d8, d9, [sp, #(0 * 16)]
+       stp     d10, d11, [sp, #(1 * 16)]
+       stp     d12, d13, [sp, #(2 * 16)]
+       stp     d14, d15, [sp, #(3 * 16)]
+       stp     d16, d17, [sp, #(4 * 16)]
+       stp     x18, x19, [sp, #(5 * 16)]
+       stp     x20, x21, [sp, #(6 * 16)]
+       stp     x22, x23, [sp, #(7 * 16)]
+       stp     x24, x25, [sp, #(8 * 16)]
+       stp     x26, x27, [sp, #(9 * 16)]
+       str     x28, [sp, #(10 * 16)]
+
+       prfm    PLDL1KEEP, [origPB]
+       prfm    PLDL1KEEP, [origPA]
+
+       fmov    alphaR, d0
+       fmov    alphaI, d1
+
+       lsl     LDC, LDC, #4                    // ldc = ldc * 2 * 8
+
+       mov     pB, origPB
+
+       mov     counterJ, origN
+       asr     counterJ, counterJ, #2          // J = J / 4
+       cmp     counterJ, #0
+       ble     .Lzgemm_kernel_L2_BEGIN
+
+.Lzgemm_kernel_L4_BEGIN:
+       mov     pCRow0, pC
+       add     pCRow1, pCRow0, LDC
+       add     pCRow2, pCRow1, LDC
+       add     pCRow3, pCRow2, LDC
+
+       add     pC, pCRow3, LDC
+
+       mov     pA, origPA                      // pA = start of A array
+
+.Lzgemm_kernel_L4_M4_BEGIN:
+
+       mov     counterI, origM
+       asr     counterI, counterI, #2          // counterI = counterI / 4
+       cmp     counterI, #0
+       ble     .Lzgemm_kernel_L4_M2_BEGIN
+
+       .align 5
+.Lzgemm_kernel_L4_M4_20:
+
+       mov     pB, origPB
+       asr     counterL , origK, #3
+       cmp     counterL , #2
+       blt     .Lzgemm_kernel_L4_M4_32
+
+       KERNEL4x4_I
+       KERNEL4x4_M2
+       KERNEL4x4_M1
+       KERNEL4x4_M2
+       KERNEL4x4_M1
+       KERNEL4x4_M2
+       KERNEL4x4_M1
+       KERNEL4x4_M2
+
+       subs    counterL, counterL, #2          // subtract 2
+       ble     .Lzgemm_kernel_L4_M4_22a
+
+       .align 5
+.Lzgemm_kernel_L4_M4_22:
+
+       KERNEL4x4_M1
+       KERNEL4x4_M2
+       KERNEL4x4_M1
+       KERNEL4x4_M2
+       KERNEL4x4_M1
+       KERNEL4x4_M2
+       KERNEL4x4_M1
+       KERNEL4x4_M2
+
+       subs    counterL, counterL, #1
+       bgt     .Lzgemm_kernel_L4_M4_22
+
+       .align 5
+.Lzgemm_kernel_L4_M4_22a:
+
+       KERNEL4x4_M1
+       KERNEL4x4_M2
+       KERNEL4x4_M1
+       KERNEL4x4_M2
+       KERNEL4x4_M1
+       KERNEL4x4_M2
+       KERNEL4x4_M1
+       KERNEL4x4_E
+
+       b        .Lzgemm_kernel_L4_M4_44
+
+       .align 5
+.Lzgemm_kernel_L4_M4_32:
+
+       tst     counterL, #1
+       ble     .Lzgemm_kernel_L4_M4_40
+
+       KERNEL4x4_I
+       KERNEL4x4_M2
+       KERNEL4x4_M1
+       KERNEL4x4_M2
+       KERNEL4x4_M1
+       KERNEL4x4_M2
+       KERNEL4x4_M1
+       KERNEL4x4_E
+
+       b       .Lzgemm_kernel_L4_M4_44
+
+
+.Lzgemm_kernel_L4_M4_40:
+
+       INIT4x4
+
+.Lzgemm_kernel_L4_M4_44:
+
+       ands    counterL , origK, #7
+       ble     .Lzgemm_kernel_L4_M4_100
+
+       .align 5
+.Lzgemm_kernel_L4_M4_46:
+       KERNEL4x4_SUB
+
+       subs    counterL, counterL, #1
+       bne     .Lzgemm_kernel_L4_M4_46
+
+.Lzgemm_kernel_L4_M4_100:
+       prfm    PLDL1KEEP, [pA]
+       prfm    PLDL1KEEP, [pA, #64]
+       prfm    PLDL1KEEP, [origPB]
+
+       SAVE4x4
+
+.Lzgemm_kernel_L4_M4_END:
+       subs    counterI, counterI, #1
+       bne     .Lzgemm_kernel_L4_M4_20
+
+.Lzgemm_kernel_L4_M2_BEGIN:
+
+       mov     counterI, origM
+       tst     counterI , #3
+       ble     .Lzgemm_kernel_L4_END
+
+       tst     counterI, #2                    // counterI = counterI / 2
+       ble     .Lzgemm_kernel_L4_M1_BEGIN
+
+.Lzgemm_kernel_L4_M2_20:
+
+       INIT2x4
+
+       mov     pB, origPB
+       asr     counterL , origK, #3            // counterL = counterL / 8
+       cmp     counterL , #0
+       ble     .Lzgemm_kernel_L4_M2_40
+
+.Lzgemm_kernel_L4_M2_22:
+
+       KERNEL2x4_SUB
+       KERNEL2x4_SUB
+       KERNEL2x4_SUB
+       KERNEL2x4_SUB
+
+       KERNEL2x4_SUB
+       KERNEL2x4_SUB
+       KERNEL2x4_SUB
+       KERNEL2x4_SUB
+
+       subs    counterL, counterL, #1
+       bgt     .Lzgemm_kernel_L4_M2_22
+
+
+.Lzgemm_kernel_L4_M2_40:
+
+       ands    counterL , origK, #7            // counterL = counterL % 8
+       ble     .Lzgemm_kernel_L4_M2_100
+
+.Lzgemm_kernel_L4_M2_42:
+
+       KERNEL2x4_SUB
+
+       subs    counterL, counterL, #1
+       bgt     .Lzgemm_kernel_L4_M2_42
+
+.Lzgemm_kernel_L4_M2_100:
+
+       SAVE2x4
+
+.Lzgemm_kernel_L4_M2_END:
+
+
+.Lzgemm_kernel_L4_M1_BEGIN:
+
+       tst     counterI, #1                    // counterI = counterI % 2
+       ble     .Lzgemm_kernel_L4_END
+
+.Lzgemm_kernel_L4_M1_20:
+
+       INIT1x4
+
+       mov     pB, origPB
+       asr     counterL , origK, #3            // counterL = counterL / 8
+       cmp     counterL , #0
+       ble     .Lzgemm_kernel_L4_M1_40
+
+.Lzgemm_kernel_L4_M1_22:
+       KERNEL1x4_SUB
+       KERNEL1x4_SUB
+       KERNEL1x4_SUB
+       KERNEL1x4_SUB
+
+       KERNEL1x4_SUB
+       KERNEL1x4_SUB
+       KERNEL1x4_SUB
+       KERNEL1x4_SUB
+
+       subs    counterL, counterL, #1
+       bgt     .Lzgemm_kernel_L4_M1_22
+
+
+.Lzgemm_kernel_L4_M1_40:
+
+       ands    counterL , origK, #7            // counterL = counterL % 8
+       ble     .Lzgemm_kernel_L4_M1_100
+
+.Lzgemm_kernel_L4_M1_42:
+
+       KERNEL1x4_SUB
+
+       subs    counterL, counterL, #1
+       bgt     .Lzgemm_kernel_L4_M1_42
+
+.Lzgemm_kernel_L4_M1_100:
+
+       SAVE1x4
+
+
+.Lzgemm_kernel_L4_END:
+
+       lsl     temp, origK, #6
+       add     origPB, origPB, temp            // B = B + K * 4 * 8 * 2
+
+       subs    counterJ, counterJ , #1         // j--
+       bgt     .Lzgemm_kernel_L4_BEGIN
+
+
+/******************************************************************************/
+
+.Lzgemm_kernel_L2_BEGIN:   // less than 2 left in N direction
+
+       mov     counterJ , origN
+       tst     counterJ , #3
+       ble     .Lzgemm_kernel_L999
+
+       tst     counterJ , #2
+       ble     .Lzgemm_kernel_L1_BEGIN
+
+       mov     pCRow0, pC                      // pCRow0 = pC
+
+       add     pC,pC,LDC, lsl #1
+
+       mov     pA, origPA                      // pA = A
+
+
+
+.Lzgemm_kernel_L2_M4_BEGIN:
+
+       mov     counterI, origM
+       asr     counterI, counterI, #2          // counterI = counterI / 4
+       cmp     counterI,#0
+       ble     .Lzgemm_kernel_L2_M2_BEGIN
+
+.Lzgemm_kernel_L2_M4_20:
+
+       INIT4x2
+
+       mov     pB, origPB
+       asr     counterL , origK, #3            // counterL = counterL / 8
+       cmp     counterL,#0
+       ble     .Lzgemm_kernel_L2_M4_40
+       .align 5
+
+.Lzgemm_kernel_L2_M4_22:
+       KERNEL4x2_SUB
+       KERNEL4x2_SUB
+       KERNEL4x2_SUB
+       KERNEL4x2_SUB
+
+       KERNEL4x2_SUB
+       KERNEL4x2_SUB
+       KERNEL4x2_SUB
+       KERNEL4x2_SUB
+
+       subs    counterL, counterL, #1
+       bgt     .Lzgemm_kernel_L2_M4_22
+
+
+.Lzgemm_kernel_L2_M4_40:
+
+       ands    counterL , origK, #7            // counterL = counterL % 8
+       ble     .Lzgemm_kernel_L2_M4_100
+
+.Lzgemm_kernel_L2_M4_42:
+
+       KERNEL4x2_SUB
+
+       subs    counterL, counterL, #1
+       bgt     .Lzgemm_kernel_L2_M4_42
+
+.Lzgemm_kernel_L2_M4_100:
+
+       SAVE4x2
+
+.Lzgemm_kernel_L2_M4_END:
+
+       subs    counterI, counterI, #1
+       bgt     .Lzgemm_kernel_L2_M4_20
+
+
+.Lzgemm_kernel_L2_M2_BEGIN:
+
+       mov     counterI, origM
+       tst     counterI , #3
+       ble     .Lzgemm_kernel_L2_END
+
+       tst     counterI, #2                    // counterI = counterI / 2
+       ble     .Lzgemm_kernel_L2_M1_BEGIN
+
+.Lzgemm_kernel_L2_M2_20:
+
+       INIT2x2
+
+       mov     pB, origPB
+       asr     counterL , origK, #3            // counterL = counterL / 8
+        cmp    counterL,#0
+       ble     .Lzgemm_kernel_L2_M2_40
+
+.Lzgemm_kernel_L2_M2_22:
+
+       KERNEL2x2_SUB
+       KERNEL2x2_SUB
+       KERNEL2x2_SUB
+       KERNEL2x2_SUB
+
+       KERNEL2x2_SUB
+       KERNEL2x2_SUB
+       KERNEL2x2_SUB
+       KERNEL2x2_SUB
+
+       subs    counterL, counterL, #1
+       bgt     .Lzgemm_kernel_L2_M2_22
+
+
+.Lzgemm_kernel_L2_M2_40:
+
+       ands    counterL , origK, #7            // counterL = counterL % 8
+       ble     .Lzgemm_kernel_L2_M2_100
+
+.Lzgemm_kernel_L2_M2_42:
+
+       KERNEL2x2_SUB
+
+       subs    counterL, counterL, #1
+       bgt     .Lzgemm_kernel_L2_M2_42
+
+.Lzgemm_kernel_L2_M2_100:
+
+       SAVE2x2
+
+.Lzgemm_kernel_L2_M2_END:
+
+
+.Lzgemm_kernel_L2_M1_BEGIN:
+
+       tst     counterI, #1                    // counterI = counterI % 2
+       ble     .Lzgemm_kernel_L2_END
+
+.Lzgemm_kernel_L2_M1_20:
+
+       INIT1x2
+
+       mov     pB, origPB
+       asr     counterL , origK, #3            // counterL = counterL / 8
+        cmp     counterL, #0
+       ble     .Lzgemm_kernel_L2_M1_40
+
+.Lzgemm_kernel_L2_M1_22:
+       KERNEL1x2_SUB
+       KERNEL1x2_SUB
+       KERNEL1x2_SUB
+       KERNEL1x2_SUB
+
+       KERNEL1x2_SUB
+       KERNEL1x2_SUB
+       KERNEL1x2_SUB
+       KERNEL1x2_SUB
+
+       subs    counterL, counterL, #1
+       bgt     .Lzgemm_kernel_L2_M1_22
+
+
+.Lzgemm_kernel_L2_M1_40:
+
+       ands    counterL , origK, #7            // counterL = counterL % 8
+       ble     .Lzgemm_kernel_L2_M1_100
+
+.Lzgemm_kernel_L2_M1_42:
+
+       KERNEL1x2_SUB
+
+       subs    counterL, counterL, #1
+       bgt     .Lzgemm_kernel_L2_M1_42
+
+.Lzgemm_kernel_L2_M1_100:
+
+       SAVE1x2
+
+
+.Lzgemm_kernel_L2_END:
+       lsl     temp, origK, #5
+       add     origPB, origPB, temp // B = B + K * 2 * 8 * 2
+
+/******************************************************************************/
+
+.Lzgemm_kernel_L1_BEGIN:
+
+       mov     counterJ , origN
+       tst     counterJ , #1
+       ble     .Lzgemm_kernel_L999 // done
+
+
+       mov     pCRow0, pC                      // pCRow0 = C
+       add     pC , pC , LDC                   // Update pC to point to next
+
+       mov     pA, origPA                      // pA = A
+
+
+
+.Lzgemm_kernel_L1_M4_BEGIN:
+
+       mov     counterI, origM
+       asr     counterI, counterI, #2          // counterI = counterI / 4
+       cmp     counterI, #0
+       ble     .Lzgemm_kernel_L1_M2_BEGIN
+
+.Lzgemm_kernel_L1_M4_20:
+
+       INIT4x1
+
+       mov     pB, origPB
+       asr     counterL , origK, #3            // counterL = counterL / 8
+       cmp     counterL , #0
+       ble     .Lzgemm_kernel_L1_M4_40
+       .align 5
+
+.Lzgemm_kernel_L1_M4_22:
+       KERNEL4x1_SUB
+       KERNEL4x1_SUB
+       KERNEL4x1_SUB
+       KERNEL4x1_SUB
+
+       KERNEL4x1_SUB
+       KERNEL4x1_SUB
+       KERNEL4x1_SUB
+       KERNEL4x1_SUB
+
+       subs    counterL, counterL, #1
+       bgt     .Lzgemm_kernel_L1_M4_22
+
+
+.Lzgemm_kernel_L1_M4_40:
+
+       ands    counterL , origK, #7            // counterL = counterL % 8
+       ble     .Lzgemm_kernel_L1_M4_100
+
+.Lzgemm_kernel_L1_M4_42:
+
+       KERNEL4x1_SUB
+
+       subs    counterL, counterL, #1
+       bgt     .Lzgemm_kernel_L1_M4_42
+
+.Lzgemm_kernel_L1_M4_100:
+
+       SAVE4x1
+
+.Lzgemm_kernel_L1_M4_END:
+
+       subs    counterI, counterI, #1
+       bgt     .Lzgemm_kernel_L1_M4_20
+
+
+.Lzgemm_kernel_L1_M2_BEGIN:
+
+       mov     counterI, origM
+       tst     counterI , #3
+       ble     .Lzgemm_kernel_L1_END
+
+       tst     counterI, #2                    // counterI = counterI / 2
+       ble     .Lzgemm_kernel_L1_M1_BEGIN
+
+.Lzgemm_kernel_L1_M2_20:
+
+       INIT2x1
+
+       mov     pB, origPB
+       asr     counterL , origK, #3            // counterL = counterL / 8
+       cmp     counterL , #0
+       ble     .Lzgemm_kernel_L1_M2_40
+
+.Lzgemm_kernel_L1_M2_22:
+
+       KERNEL2x1_SUB
+       KERNEL2x1_SUB
+       KERNEL2x1_SUB
+       KERNEL2x1_SUB
+
+       KERNEL2x1_SUB
+       KERNEL2x1_SUB
+       KERNEL2x1_SUB
+       KERNEL2x1_SUB
+
+       subs    counterL, counterL, #1
+       bgt     .Lzgemm_kernel_L1_M2_22
+
+
+.Lzgemm_kernel_L1_M2_40:
+
+       ands    counterL , origK, #7            // counterL = counterL % 8
+       ble     .Lzgemm_kernel_L1_M2_100
+
+.Lzgemm_kernel_L1_M2_42:
+
+       KERNEL2x1_SUB
+
+       subs    counterL, counterL, #1
+       bgt     .Lzgemm_kernel_L1_M2_42
+
+.Lzgemm_kernel_L1_M2_100:
+
+       SAVE2x1
+
+.Lzgemm_kernel_L1_M2_END:
+
+
+.Lzgemm_kernel_L1_M1_BEGIN:
+
+       tst     counterI, #1                    // counterI = counterI % 2
+       ble     .Lzgemm_kernel_L1_END
+
+.Lzgemm_kernel_L1_M1_20:
+
+       INIT1x1
+
+       mov     pB, origPB
+       asr     counterL , origK, #3            // counterL = counterL / 8
+       cmp     counterL , #0
+       ble     .Lzgemm_kernel_L1_M1_40
+
+.Lzgemm_kernel_L1_M1_22:
+       KERNEL1x1_SUB
+       KERNEL1x1_SUB
+       KERNEL1x1_SUB
+       KERNEL1x1_SUB
+
+       KERNEL1x1_SUB
+       KERNEL1x1_SUB
+       KERNEL1x1_SUB
+       KERNEL1x1_SUB
+
+       subs    counterL, counterL, #1
+       bgt     .Lzgemm_kernel_L1_M1_22
+
+
+.Lzgemm_kernel_L1_M1_40:
+
+       ands    counterL , origK, #7            // counterL = counterL % 8
+       ble     .Lzgemm_kernel_L1_M1_100
+
+.Lzgemm_kernel_L1_M1_42:
+
+       KERNEL1x1_SUB
+
+       subs    counterL, counterL, #1
+       bgt     .Lzgemm_kernel_L1_M1_42
+
+.Lzgemm_kernel_L1_M1_100:
+
+       SAVE1x1
+
+
+.Lzgemm_kernel_L1_END:
+
+
+.Lzgemm_kernel_L999:
+       mov     x0, #0                          // set return value
+       ldp     d8, d9, [sp, #(0 * 16)]
+       ldp     d10, d11, [sp, #(1 * 16)]
+       ldp     d12, d13, [sp, #(2 * 16)]
+       ldp     d14, d15, [sp, #(3 * 16)]
+       ldp     d16, d17, [sp, #(4 * 16)]
+       ldp     x18, x19, [sp, #(5 * 16)]
+       ldp     x20, x21, [sp, #(6 * 16)]
+       ldp     x22, x23, [sp, #(7 * 16)]
+       ldp     x24, x25, [sp, #(8 * 16)]
+       ldp     x26, x27, [sp, #(9 * 16)]
+       ldr     x28, [sp, #(10 * 16)]
+       add     sp, sp, #(11*16)
+       ret
+
+       EPILOGUE
+