--- /dev/null
+/*******************************************************************************
+Copyright (c) 2016, 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 alpha x17
+
+#define alpha0 d10
+#define alphaV0 v10.d[0]
+
+#define A_PRE_SIZE x20
+#define B_PRE_SIZE x21
+#define C_PRE_SIZE x22
+
+#define A_PRE_SIZE_64 x23
+#define B_PRE_SIZE_64 x24
+
+
+// 00 origM
+// 01 origN
+// 02 origK
+// 03 origPA
+// 04 origPB
+// 05 pC
+// 06 origLDC -> LDC
+// 07 temp
+// 08 counterL
+// 09 counterI
+// 10 counterJ
+// 11 pB
+// 12 pCRow0
+// 13 pCRow1
+// 14 pCRow2
+// 15 pCRow3
+// 16 pA
+// 17
+// 18 must save
+// 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 -> pA0_0, pA0_1
+//v01 pA0_2, pA0_3
+//v02 pA0_4, pA0_5
+//v03 pA0_6, pA0_7
+//v04 pA1_0, pA1_1
+//v05 pA1_2, pA1_3
+//v06 pA1_4, pA1_5
+//v07 pA1_6, pA1_7
+//v08 must save pB0_0
+//v09 must save pB0_1
+//v10 must save pB0_2 --> ALPHA0
+//v11 must save pB0_3
+//v12 must save pB1_0
+//v13 must save pB1_1
+//v14 must save pB1_2
+//v15 must save pB1_3
+//v16 must save C00, C01
+//v17 must save C02, C03
+//v18 C04, C05
+//v19 C06, C07
+//v20 C10, C11
+//v21 C12, C13
+//v22 C14, C15
+//v23 C16, C17
+//v24 C20, C21
+//v25 C22, C23
+//v26 C24, C25
+//v27 C26, C27
+//v28 C30, C31
+//v29 C32, C33
+//v30 C34, C35
+//v31 C36, C37
+
+/*******************************************************************************
+* Macro definitions
+*******************************************************************************/
+
+.macro INIT8x4
+ fmov d16, xzr
+ fmov d17, xzr
+ fmov d18, d16
+ fmov d19, xzr
+ fmov d20, xzr
+ fmov d21, d16
+ fmov d22, d17
+ fmov d23, d18
+ fmov d24, xzr
+ fmov d25, d16
+ fmov d26, d17
+ fmov d27, d18
+ fmov d28, xzr
+ fmov d29, d16
+ fmov d30, d17
+ fmov d31, d18
+.endm
+
+.macro KERNEL8x4_I
+ ldur q0, [pA]
+ ldur q1, [pA, #16]
+
+ ldur q8, [pB]
+ ldur q9, [pB, #16]
+
+ fmul v16.2d, v0.2d, v8.d[0]
+ fmul v20.2d, v0.2d, v8.d[1]
+
+ fmul v17.2d, v1.2d, v8.d[0]
+ fmul v21.2d, v1.2d, v8.d[1]
+
+ ldp q2, q3, [pA, #32]
+ fmul v24.2d, v0.2d, v9.d[0]
+ ldp q4, q5, [pA, #64]
+ fmul v28.2d, v0.2d, v9.d[1]
+
+ fmul v25.2d, v1.2d, v9.d[0]
+ fmul v29.2d, v1.2d, v9.d[1]
+
+ ldur q12, [pB, #32]
+ ldur q13, [pB, #48]
+
+ fmul v18.2d, v2.2d, v8.d[0]
+ fmul v22.2d, v2.2d, v8.d[1]
+
+ ldur q6, [pA, #96]
+ ldur q7, [pA, #112]
+
+ add pB, pB, #64
+ add pA, pA, #128
+
+ fmul v26.2d, v2.2d, v9.d[0]
+ fmul v30.2d, v2.2d, v9.d[1]
+
+ fmul v19.2d, v3.2d, v8.d[0]
+ fmul v27.2d, v3.2d, v9.d[0]
+
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+
+ fmul v31.2d, v3.2d, v9.d[1]
+ fmul v23.2d, v3.2d, v8.d[1]
+
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE_64]
+.endm
+
+.macro KERNEL8x4_M1_M2
+ fmla v16.2d, v0.2d, v8.d[0]
+ fmla v20.2d, v0.2d, v8.d[1]
+
+ ldp q4, q5, [pA]
+
+ fmla v24.2d, v0.2d, v9.d[0]
+ fmla v28.2d, v0.2d, v9.d[1]
+
+ ldp q12, q13, [pB]
+
+ fmla v17.2d, v1.2d, v8.d[0]
+ fmla v25.2d, v1.2d, v9.d[0]
+
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE_64]
+
+ fmla v21.2d, v1.2d, v8.d[1]
+ fmla v29.2d, v1.2d, v9.d[1]
+
+ fmla v18.2d, v2.2d, v8.d[0]
+ fmla v22.2d, v2.2d, v8.d[1]
+
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+
+ fmla v26.2d, v2.2d, v9.d[0]
+ fmla v30.2d, v2.2d, v9.d[1]
+ fmla v19.2d, v3.2d, v8.d[0]
+ fmla v23.2d, v3.2d, v8.d[1]
+
+ ldp q6, q7, [pA, #32]
+
+ fmla v27.2d, v3.2d, v9.d[0]
+ fmla v31.2d, v3.2d, v9.d[1]
+
+ fmla v16.2d, v4.2d, v12.d[0]
+ fmla v20.2d, v4.2d, v12.d[1]
+ fmla v24.2d, v4.2d, v13.d[0]
+ fmla v28.2d, v4.2d, v13.d[1]
+
+ ldp q0, q1, [pA, #64]
+
+ fmla v17.2d, v5.2d, v12.d[0]
+ fmla v25.2d, v5.2d, v13.d[0]
+
+ ldp q8, q9, [pB, #32]
+ ldp q2, q3, [pA, #96]
+
+ fmla v21.2d, v5.2d, v12.d[1]
+ fmla v29.2d, v5.2d, v13.d[1]
+
+ fmla v18.2d, v6.2d, v12.d[0]
+ fmla v22.2d, v6.2d, v12.d[1]
+
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+
+ fmla v26.2d, v6.2d, v13.d[0]
+ fmla v30.2d, v6.2d, v13.d[1]
+
+ fmla v19.2d, v7.2d, v12.d[0]
+ fmla v23.2d, v7.2d, v12.d[1]
+
+ add pB, pB, #64
+ add pA, pA, #128
+
+ fmla v27.2d, v7.2d, v13.d[0]
+ fmla v31.2d, v7.2d, v13.d[1]
+.endm
+
+
+.macro KERNEL8x4_M1
+ fmla v16.2d, v0.2d, v8.d[0]
+ fmla v20.2d, v0.2d, v8.d[1]
+
+ ldp q4, q5, [pA], #32
+
+ fmla v24.2d, v0.2d, v9.d[0]
+ fmla v28.2d, v0.2d, v9.d[1]
+
+ ldp q12, q13, [pB]
+ add pB, pB, #32
+
+ fmla v17.2d, v1.2d, v8.d[0]
+ fmla v25.2d, v1.2d, v9.d[0]
+
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE_64]
+
+ fmla v21.2d, v1.2d, v8.d[1]
+ fmla v29.2d, v1.2d, v9.d[1]
+
+ fmla v18.2d, v2.2d, v8.d[0]
+ fmla v22.2d, v2.2d, v8.d[1]
+
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+
+ fmla v26.2d, v2.2d, v9.d[0]
+ fmla v30.2d, v2.2d, v9.d[1]
+ fmla v19.2d, v3.2d, v8.d[0]
+ fmla v23.2d, v3.2d, v8.d[1]
+
+ ldp q6, q7, [pA], #32
+
+ fmla v27.2d, v3.2d, v9.d[0]
+ fmla v31.2d, v3.2d, v9.d[1]
+.endm
+
+.macro KERNEL8x4_M2
+ fmla v16.2d, v4.2d, v12.d[0]
+ fmla v20.2d, v4.2d, v12.d[1]
+ fmla v24.2d, v4.2d, v13.d[0]
+ fmla v28.2d, v4.2d, v13.d[1]
+
+ ldp q0, q1, [pA], #32
+
+ fmla v17.2d, v5.2d, v12.d[0]
+ fmla v25.2d, v5.2d, v13.d[0]
+
+ ldp q8, q9, [pB]
+ add pB, pB, #32
+
+ fmla v21.2d, v5.2d, v12.d[1]
+ fmla v29.2d, v5.2d, v13.d[1]
+
+ fmla v18.2d, v6.2d, v12.d[0]
+ fmla v22.2d, v6.2d, v12.d[1]
+
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+
+ fmla v26.2d, v6.2d, v13.d[0]
+ fmla v30.2d, v6.2d, v13.d[1]
+
+ fmla v19.2d, v7.2d, v12.d[0]
+ fmla v23.2d, v7.2d, v12.d[1]
+
+ ldp q2, q3, [pA], #32
+
+ fmla v27.2d, v7.2d, v13.d[0]
+ fmla v31.2d, v7.2d, v13.d[1]
+.endm
+
+.macro KERNEL8x4_E
+ fmla v16.2d, v4.2d, v12.d[0]
+ fmla v20.2d, v4.2d, v12.d[1]
+ fmla v24.2d, v4.2d, v13.d[0]
+ fmla v28.2d, v4.2d, v13.d[1]
+
+ fmla v17.2d, v5.2d, v12.d[0]
+ fmla v25.2d, v5.2d, v13.d[0]
+ fmla v21.2d, v5.2d, v12.d[1]
+ fmla v29.2d, v5.2d, v13.d[1]
+
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+
+ fmla v18.2d, v6.2d, v12.d[0]
+ fmla v22.2d, v6.2d, v12.d[1]
+ fmla v26.2d, v6.2d, v13.d[0]
+ fmla v30.2d, v6.2d, v13.d[1]
+
+ fmla v19.2d, v7.2d, v12.d[0]
+ fmla v23.2d, v7.2d, v12.d[1]
+ fmla v27.2d, v7.2d, v13.d[0]
+ fmla v31.2d, v7.2d, v13.d[1]
+.endm
+
+.macro KERNEL8x4_SUB
+ ldp q0, q1, [pA], #32
+
+ ldur q8, [pB]
+
+ fmla v16.2d, v0.2d, v8.d[0]
+ fmla v20.2d, v0.2d, v8.d[1]
+
+ ldur q9, [pB, #16]
+ add pB, pB, #32
+
+ fmla v17.2d, v1.2d, v8.d[0]
+ fmla v21.2d, v1.2d, v8.d[1]
+
+ ldp q2, q3, [pA], #32
+
+ fmla v24.2d, v0.2d, v9.d[0]
+ fmla v28.2d, v0.2d, v9.d[1]
+
+ fmla v25.2d, v1.2d, v9.d[0]
+ fmla v29.2d, v1.2d, v9.d[1]
+
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+
+ fmla v18.2d, v2.2d, v8.d[0]
+ fmla v22.2d, v2.2d, v8.d[1]
+
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE_64]
+
+ fmla v26.2d, v2.2d, v9.d[0]
+ fmla v30.2d, v2.2d, v9.d[1]
+
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+
+ fmla v19.2d, v3.2d, v8.d[0]
+ fmla v27.2d, v3.2d, v9.d[0]
+
+ fmla v31.2d, v3.2d, v9.d[1]
+ fmla v23.2d, v3.2d, v8.d[1]
+.endm
+
+.macro SAVE8x4
+ fmov alpha0, alpha
+ ldr q0, [pCRow0]
+ ldr q1, [pCRow0, #16]
+ ldr q2, [pCRow0, #32]
+ ldr q3, [pCRow0, #48]
+ ldr q4, [pCRow1]
+ ldr q5, [pCRow1, #16]
+ ldr q6, [pCRow1, #32]
+ ldr q7, [pCRow1, #48]
+
+ fmla v0.2d, v16.2d, alphaV0
+ fmla v1.2d, v17.2d, alphaV0
+ stp q0, q1, [pCRow0]
+
+ fmla v2.2d, v18.2d, alphaV0
+ fmla v3.2d, v19.2d, alphaV0
+ stp q2, q3, [pCRow0, #32]
+ ldr q0, [pCRow2]
+ ldr q1, [pCRow2, #16]
+
+ fmla v4.2d, v20.2d, alphaV0
+ fmla v5.2d, v21.2d, alphaV0
+ stp q4, q5, [pCRow1]
+ ldr q2, [pCRow2, #32]
+ ldr q3, [pCRow2, #48]
+
+ fmla v6.2d, v22.2d, alphaV0
+ fmla v7.2d, v23.2d, alphaV0
+ stp q6, q7, [pCRow1, #32]
+ ldr q4, [pCRow3]
+ ldr q5, [pCRow3, #16]
+
+ fmla v0.2d, v24.2d, alphaV0
+ fmla v1.2d, v25.2d, alphaV0
+ stp q0, q1, [pCRow2]
+ ldr q6, [pCRow3, #32]
+ ldr q7, [pCRow3, #48]
+
+ fmla v2.2d, v26.2d, alphaV0
+ fmla v3.2d, v27.2d, alphaV0
+ stp q2, q3, [pCRow2, #32]
+
+ fmla v4.2d, v28.2d, alphaV0
+ fmla v5.2d, v29.2d, alphaV0
+ stp q4, q5, [pCRow3]
+
+ fmla v6.2d, v30.2d, alphaV0
+ fmla v7.2d, v31.2d, alphaV0
+ stp q6, q7, [pCRow3, #32]
+
+ add pCRow0, pCRow0, #64
+ add pCRow1, pCRow1, #64
+ add pCRow2, pCRow2, #64
+ add pCRow3, pCRow3, #64
+.endm
+
+/******************************************************************************/
+
+.macro INIT4x4
+ fmov d16, xzr
+ fmov d17, d16
+ fmov d20, d17
+ fmov d21, d16
+ fmov d24, d17
+ fmov d25, d16
+ fmov d28, d17
+ fmov d29, d16
+.endm
+
+.macro KERNEL4x4_SUB
+ ld1 {v8.2d, v9.2d}, [pB]
+ add pB, pB, #32
+ ld1 {v0.2d, v1.2d}, [pA]
+ add pA, pA, #32
+
+ fmla v16.2d, v0.2d, v8.d[0]
+ fmla v29.2d, v1.2d, v9.d[1]
+
+ fmla v20.2d, v0.2d, v8.d[1]
+ fmla v25.2d, v1.2d, v9.d[0]
+
+ fmla v24.2d, v0.2d, v9.d[0]
+ fmla v21.2d, v1.2d, v8.d[1]
+
+ fmla v28.2d, v0.2d, v9.d[1]
+ fmla v17.2d, v1.2d, v8.d[0]
+.endm
+
+.macro SAVE4x4
+ fmov alpha0, alpha
+
+ ld1 {v8.2d, v9.2d}, [pCRow0]
+ fmla v8.2d, v16.2d, alphaV0
+ fmla v9.2d, v17.2d, alphaV0
+ st1 {v8.2d, v9.2d}, [pCRow0]
+
+ prfm PLDL2KEEP, [pCRow0, C_PRE_SIZE]
+ add pCRow0, pCRow0, #32
+
+ ld1 {v12.2d, v13.2d}, [pCRow1]
+ fmla v12.2d, v20.2d, alphaV0
+ fmla v13.2d, v21.2d, alphaV0
+ st1 {v12.2d, v13.2d}, [pCRow1]
+
+ prfm PLDL2KEEP, [pCRow1, C_PRE_SIZE]
+ add pCRow1, pCRow1, #32
+
+ ld1 {v8.2d, v9.2d}, [pCRow2]
+ fmla v8.2d, v24.2d, alphaV0
+ fmla v9.2d, v25.2d, alphaV0
+ st1 {v8.2d, v9.2d}, [pCRow2]
+
+ prfm PLDL2KEEP, [pCRow2, C_PRE_SIZE]
+ add pCRow2, pCRow2, #32
+
+ ld1 {v12.2d, v13.2d}, [pCRow3]
+ fmla v12.2d, v28.2d, alphaV0
+ fmla v13.2d, v29.2d, alphaV0
+ st1 {v12.2d, v13.2d}, [pCRow3]
+
+ prfm PLDL2KEEP, [pCRow3, C_PRE_SIZE]
+ add pCRow3, pCRow3, #32
+.endm
+
+/******************************************************************************/
+
+
+.macro INIT2x4
+ fmov d16, xzr
+ fmov d20, d16
+ fmov d24, d20
+ fmov d28, d16
+.endm
+
+.macro KERNEL2x4_SUB
+ ld1 {v8.2d, v9.2d}, [pB]
+ add pB, pB, #32
+ ld1 {v0.2d}, [pA]
+ add pA, pA, #16
+
+ fmla v16.2d, v0.2d, v8.d[0]
+ fmla v20.2d, v0.2d, v8.d[1]
+ fmla v24.2d, v0.2d, v9.d[0]
+ fmla v28.2d, v0.2d, v9.d[1]
+.endm
+
+.macro SAVE2x4
+ fmov alpha0, alpha
+
+ ld1 {v8.2d}, [pCRow0]
+ fmla v8.2d, v16.2d, alphaV0
+ st1 {v8.2d}, [pCRow0]
+
+ prfm PLDL2KEEP, [pCRow0, C_PRE_SIZE]
+ add pCRow0, pCRow0, #16
+
+ ld1 {v12.2d}, [pCRow1]
+ fmla v12.2d, v20.2d, alphaV0
+ st1 {v12.2d}, [pCRow1]
+
+ prfm PLDL2KEEP, [pCRow1, C_PRE_SIZE]
+ add pCRow1, pCRow1, #16
+
+ ld1 {v8.2d}, [pCRow2]
+ fmla v8.2d, v24.2d, alphaV0
+ st1 {v8.2d}, [pCRow2]
+
+ prfm PLDL2KEEP, [pCRow2, C_PRE_SIZE]
+ add pCRow2, pCRow2, #16
+
+ ld1 {v12.2d}, [pCRow3]
+ fmla v12.2d, v28.2d, alphaV0
+ st1 {v12.2d}, [pCRow3]
+
+ prfm PLDL2KEEP, [pCRow3, C_PRE_SIZE]
+ add pCRow3, pCRow3, #16
+.endm
+
+/******************************************************************************/
+
+.macro INIT1x4
+ fmov d16, xzr
+ fmov d20, d16
+.endm
+
+.macro KERNEL1x4_SUB
+ ldr d0, [pA]
+ add pA, pA, #8
+
+ ld1 {v8.2d, v9.2d}, [pB]
+ add pB, pB, #32
+
+ fmla v16.2d, v8.2d, v0.d[0]
+ fmla v20.2d, v9.2d, v0.d[0]
+.endm
+
+.macro SAVE1x4
+ fmov alpha0, alpha
+
+ ld1 {v8.d}[0], [pCRow0]
+ ld1 {v8.d}[1], [pCRow1]
+ fmla v8.2d, v16.2d, alphaV0
+ st1 {v8.d}[0], [pCRow0]
+ st1 {v8.d}[1], [pCRow1]
+
+ prfm PLDL2KEEP, [pCRow0, C_PRE_SIZE]
+ add pCRow0, pCRow0, #8
+ prfm PLDL2KEEP, [pCRow1, C_PRE_SIZE]
+ add pCRow1, pCRow1, #8
+
+ ld1 {v12.d}[0], [pCRow2]
+ ld1 {v12.d}[1], [pCRow3]
+ fmla v12.2d, v20.2d, alphaV0
+ st1 {v12.d}[0], [pCRow2]
+ st1 {v12.d}[1], [pCRow3]
+
+ prfm PLDL2KEEP, [pCRow2, C_PRE_SIZE]
+ add pCRow2, pCRow2, #8
+ prfm PLDL2KEEP, [pCRow3, C_PRE_SIZE]
+ add pCRow3, pCRow3, #8
+.endm
+
+/******************************************************************************/
+
+.macro INIT8x2
+ fmov d16, xzr
+ fmov d17, xzr
+ fmov d18, d16
+ fmov d19, d17
+ fmov d20, xzr
+ fmov d21, d16
+ fmov d22, d17
+ fmov d23, d18
+.endm
+
+.macro KERNEL8x2_SUB
+ ld1 {v0.2d, v1.2d}, [pA]
+ add pA, pA, #32
+ ld1 {v8.2d}, [pB]
+ add pB, pB, #16
+ ld1 {v2.2d, v3.2d}, [pA]
+ add pA, pA, #32
+
+ fmla v16.2d, v0.2d, v8.d[0]
+ fmla v17.2d, v1.2d, v8.d[0]
+ fmla v18.2d, v2.2d, v8.d[0]
+ fmla v19.2d, v3.2d, v8.d[0]
+
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+
+ fmla v20.2d, v0.2d, v8.d[1]
+ fmla v21.2d, v1.2d, v8.d[1]
+ fmla v22.2d, v2.2d, v8.d[1]
+ fmla v23.2d, v3.2d, v8.d[1]
+.endm
+
+.macro SAVE8x2
+ fmov alpha0, alpha
+
+ ld1 {v0.2d, v1.2d, v2.2d, v3.2d}, [pCRow0]
+ fmla v0.2d, v16.2d, alphaV0
+ fmla v1.2d, v17.2d, alphaV0
+ fmla v2.2d, v18.2d, alphaV0
+ fmla v3.2d, v19.2d, alphaV0
+ st1 {v0.2d, v1.2d, v2.2d, v3.2d}, [pCRow0]
+
+ prfm PLDL2KEEP, [pCRow0, C_PRE_SIZE]
+ add pCRow0, pCRow0, #64
+
+ ld1 {v4.2d, v5.2d, v6.2d, v7.2d}, [pCRow1]
+ fmla v4.2d, v20.2d, alphaV0
+ fmla v5.2d, v21.2d, alphaV0
+ fmla v6.2d, v22.2d, alphaV0
+ fmla v7.2d, v23.2d, alphaV0
+ st1 {v4.2d, v5.2d, v6.2d, v7.2d}, [pCRow1]
+
+ prfm PLDL2KEEP, [pCRow1, C_PRE_SIZE]
+ add pCRow1, pCRow1, #64
+.endm
+
+/******************************************************************************/
+
+.macro INIT4x2
+ fmov d16, xzr
+ fmov d17, d16
+ fmov d20, d17
+ fmov d21, d16
+.endm
+
+.macro KERNEL4x2_SUB
+ ld1 {v8.2d}, [pB]
+ add pB, pB, #16
+ ld1 {v0.2d, v1.2d}, [pA]
+ add pA, pA, #32
+
+ fmla v16.2d, v0.2d, v8.d[0]
+ fmla v17.2d, v1.2d, v8.d[0]
+ fmla v20.2d, v0.2d, v8.d[1]
+ fmla v21.2d, v1.2d, v8.d[1]
+.endm
+
+.macro SAVE4x2
+ fmov alpha0, alpha
+
+ ld1 {v8.2d, v9.2d}, [pCRow0]
+ fmla v8.2d, v16.2d, alphaV0
+ fmla v9.2d, v17.2d, alphaV0
+ st1 {v8.2d, v9.2d}, [pCRow0]
+
+ prfm PLDL2KEEP, [pCRow0, C_PRE_SIZE]
+ add pCRow0, pCRow0, #32
+
+ ld1 {v12.2d, v13.2d}, [pCRow1]
+ fmla v12.2d, v20.2d, alphaV0
+ fmla v13.2d, v21.2d, alphaV0
+ st1 {v12.2d, v13.2d}, [pCRow1]
+
+ prfm PLDL2KEEP, [pCRow1, C_PRE_SIZE]
+ add pCRow1, pCRow1, #32
+.endm
+
+/******************************************************************************/
+
+.macro INIT2x2
+ fmov d16, xzr
+ fmov d20, d16
+.endm
+
+.macro KERNEL2x2_SUB
+ ld1 {v8.2d}, [pB]
+ add pB, pB, #16
+
+ ld1 {v0.2d}, [pA]
+ add pA, pA, #16
+
+ fmla v16.2d, v0.2d, v8.d[0]
+ fmla v20.2d, v0.2d, v8.d[1]
+.endm
+
+.macro SAVE2x2
+ fmov alpha0, alpha
+
+ ld1 {v8.2d}, [pCRow0]
+ fmla v8.2d, v16.2d, alphaV0
+ st1 {v8.2d}, [pCRow0]
+
+ prfm PLDL2KEEP, [pCRow0, C_PRE_SIZE]
+ add pCRow0, pCRow0, #16
+
+ ld1 {v12.2d}, [pCRow1]
+ fmla v12.2d, v20.2d, alphaV0
+ st1 {v12.2d}, [pCRow1]
+
+ prfm PLDL2KEEP, [pCRow1, C_PRE_SIZE]
+ add pCRow1, pCRow1, #16
+.endm
+
+/******************************************************************************/
+
+.macro INIT1x2
+ fmov d16, xzr
+.endm
+
+.macro KERNEL1x2_SUB
+ ld1 {v8.2d} , [pB]
+ add pB , pB, #16
+
+ ldr d0 , [pA]
+ add pA, pA, #8
+
+ fmla v16.2d, v8.2d, v0.d[0]
+.endm
+
+.macro SAVE1x2
+ fmov alpha0, alpha
+
+ ld1 {v8.d}[0], [pCRow0]
+ ld1 {v8.d}[1], [pCRow1]
+ fmla v8.2d, v16.2d, alphaV0
+ st1 {v8.d}[0], [pCRow0]
+ st1 {v8.d}[1], [pCRow1]
+
+ prfm PLDL2KEEP, [pCRow0, C_PRE_SIZE]
+ add pCRow0, pCRow0, #8
+ prfm PLDL2KEEP, [pCRow1, C_PRE_SIZE]
+ add pCRow1, pCRow1, #8
+.endm
+
+/******************************************************************************/
+
+.macro INIT8x1
+ fmov d16, xzr
+ fmov d17, xzr
+ fmov d18, d16
+ fmov d19, d17
+.endm
+
+.macro KERNEL8x1_SUB
+ ld1 {v0.2d, v1.2d}, [pA]
+ add pA , pA, #32
+
+ ldr d8, [pB]
+ add pB , pB, #8
+
+ ld1 {v2.2d, v3.2d}, [pA]
+ add pA, pA, #32
+
+ fmla v16.2d, v0.2d, v8.d[0]
+ fmla v17.2d, v1.2d, v8.d[0]
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ fmla v18.2d, v2.2d, v8.d[0]
+ fmla v19.2d, v3.2d, v8.d[0]
+.endm
+
+.macro SAVE8x1
+ fmov alpha0, alpha
+
+ ld1 {v0.2d, v1.2d, v2.2d, v3.2d}, [pCRow0]
+ fmla v0.2d, v16.2d, alphaV0
+ fmla v1.2d, v17.2d, alphaV0
+ fmla v2.2d, v18.2d, alphaV0
+ fmla v3.2d, v19.2d, alphaV0
+ st1 {v0.2d, v1.2d, v2.2d, v3.2d}, [pCRow0]
+
+ prfm PLDL2KEEP, [pCRow0, C_PRE_SIZE]
+ add pCRow0, pCRow0, #64
+.endm
+
+
+/******************************************************************************/
+
+.macro INIT4x1
+ fmov d16, xzr
+ fmov d17, d16
+.endm
+
+.macro KERNEL4x1_SUB
+ ldr d8, [pB]
+ add pB , pB, #8
+
+ ld1 {v0.2d, v1.2d}, [pA]
+ add pA , pA, #32
+
+ fmla v16.2d, v0.2d, v8.d[0]
+ fmla v17.2d, v1.2d, v8.d[0]
+.endm
+
+.macro SAVE4x1
+ fmov alpha0, alpha
+
+ ld1 {v8.2d, v9.2d}, [pCRow0]
+ fmla v8.2d, v16.2d, alphaV0
+ fmla v9.2d, v17.2d, alphaV0
+ st1 {v8.2d, v9.2d}, [pCRow0]
+
+ prfm PLDL2KEEP, [pCRow0, C_PRE_SIZE]
+ add pCRow0, pCRow0, #32
+.endm
+
+
+/******************************************************************************/
+
+.macro INIT2x1
+ fmov d16, xzr
+.endm
+
+.macro KERNEL2x1_SUB
+ ldr d8, [pB]
+ add pB , pB, #8
+
+ ld1 {v0.2d}, [pA]
+ add pA , pA, #16
+
+ fmla v16.2d, v0.2d, v8.d[0]
+.endm
+
+.macro SAVE2x1
+ fmov alpha0, alpha
+
+ ld1 {v8.2d}, [pCRow0]
+ fmla v8.2d, v16.2d, alphaV0
+ st1 {v8.2d}, [pCRow0]
+
+ prfm PLDL2KEEP, [pCRow0, C_PRE_SIZE]
+ add pCRow0, pCRow0, #16
+.endm
+
+/******************************************************************************/
+
+.macro INIT1x1
+ fmov d16, xzr
+.endm
+
+.macro KERNEL1x1_SUB
+ ldr d8, [pB]
+ add pB , pB, #8
+
+ ldr d0, [pA]
+ add pA , pA, #8
+
+ fmadd d16, d0, d8, d16
+.endm
+
+.macro SAVE1x1
+ fmov alpha0, alpha
+ ldr d8, [pCRow0]
+ fmadd d8, d16, alpha0, d8
+ str d8, [pCRow0]
+
+ prfm PLDL2KEEP, [pCRow0, C_PRE_SIZE]
+ add pCRow0, pCRow0, #8
+.endm
+
+.macro KERNEL8x4_M1_M2_x1
+ KERNEL8x4_M1_M2
+.endm
+
+.macro KERNEL8x4_M1_M2_x2
+ KERNEL8x4_M1_M2_x1
+ KERNEL8x4_M1_M2_x1
+.endm
+
+.macro KERNEL8x4_M1_M2_x4
+ KERNEL8x4_M1_M2_x2
+ KERNEL8x4_M1_M2_x2
+.endm
+
+.macro KERNEL8x4_M1_M2_x8
+ KERNEL8x4_M1_M2_x4
+ KERNEL8x4_M1_M2_x4
+.endm
+
+.macro KERNEL8x4_M1_M2_x16
+ KERNEL8x4_M1_M2_x8
+ KERNEL8x4_M1_M2_x8
+.endm
+
+.macro KERNEL8x4_M1_M2_x32
+ KERNEL8x4_M1_M2_x16
+ KERNEL8x4_M1_M2_x16
+.endm
+
+.macro KERNEL8x4_M1_M2_x64
+ KERNEL8x4_M1_M2_x32
+ KERNEL8x4_M1_M2_x32
+.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]
+
+
+ ldr A_PRE_SIZE, =vulcan_pre_a
+ ldr A_PRE_SIZE, [A_PRE_SIZE]
+ ldr B_PRE_SIZE, =vulcan_pre_b
+ ldr B_PRE_SIZE, [B_PRE_SIZE]
+ ldr C_PRE_SIZE, =vulcan_pre_c
+ ldr C_PRE_SIZE, [C_PRE_SIZE]
+ add A_PRE_SIZE_64, A_PRE_SIZE, #64
+ add B_PRE_SIZE_64, B_PRE_SIZE, #64
+
+ fmov alpha, d0
+
+ lsl LDC, LDC, #3 // ldc = ldc * 8
+
+ mov pB, origPB
+
+ mov counterJ, origN
+ asr counterJ, counterJ, #2 // J = J / 4
+ cmp counterJ, #0
+ ble dgemm_kernel_L2_BEGIN
+
+/******************************************************************************/
+
+ .align 5
+dgemm_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
+
+dgemm_kernel_L4_M8_BEGIN:
+
+ mov counterI, origM
+ asr counterI, counterI, #3 // counterI = counterI / 8
+ cmp counterI, #0
+ ble dgemm_kernel_L4_M4_BEGIN
+
+ .align 5
+dgemm_kernel_L4_M8_20:
+
+ mov pB, origPB
+
+ asr counterL , origK, #7 // L = K / 128
+ cmp counterL , #2 // is there at least 4 to do?
+ blt dgemm_kernel_L4_M8_32
+
+ KERNEL8x4_I
+ KERNEL8x4_M2
+ KERNEL8x4_M1_M2_x32
+ KERNEL8x4_M1_M2_x16
+ KERNEL8x4_M1_M2_x8
+ KERNEL8x4_M1_M2_x4
+ KERNEL8x4_M1_M2_x2
+ KERNEL8x4_M1_M2_x1
+
+ subs counterL, counterL, #2 // subtract 2
+ ble dgemm_kernel_L4_M8_22a
+
+ .align 5
+dgemm_kernel_L4_M8_22:
+
+ KERNEL8x4_M1_M2_x64
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L4_M8_22
+
+ .align 5
+dgemm_kernel_L4_M8_22a:
+
+ KERNEL8x4_M1_M2_x32
+ KERNEL8x4_M1_M2_x16
+ KERNEL8x4_M1_M2_x8
+ KERNEL8x4_M1_M2_x4
+ KERNEL8x4_M1_M2_x2
+ KERNEL8x4_M1_M2_x1
+ KERNEL8x4_M1
+ KERNEL8x4_E
+
+ b dgemm_kernel_L4_M8_44
+
+ .align 5
+dgemm_kernel_L4_M8_32:
+
+ tst counterL, #1
+ ble dgemm_kernel_L4_M8_40
+
+ KERNEL8x4_I
+ KERNEL8x4_M2
+ KERNEL8x4_M1_M2_x32
+ KERNEL8x4_M1_M2_x16
+ KERNEL8x4_M1_M2_x8
+ KERNEL8x4_M1_M2_x4
+ KERNEL8x4_M1_M2_x2
+ KERNEL8x4_M1
+ KERNEL8x4_E
+
+ b dgemm_kernel_L4_M8_44
+
+dgemm_kernel_L4_M8_40:
+
+ INIT8x4
+
+dgemm_kernel_L4_M8_44:
+
+ ands counterL , origK, #127
+ ble dgemm_kernel_L4_M8_100
+
+ .align 5
+dgemm_kernel_L4_M8_46:
+
+ KERNEL8x4_SUB
+
+ subs counterL, counterL, #1
+ bne dgemm_kernel_L4_M8_46
+
+dgemm_kernel_L4_M8_100:
+ prfm PLDL2KEEP, [pCRow0, C_PRE_SIZE]
+ prfm PLDL2KEEP, [pCRow1, C_PRE_SIZE]
+ prfm PLDL2KEEP, [pCRow2, C_PRE_SIZE]
+ prfm PLDL2KEEP, [pCRow3, C_PRE_SIZE]
+ prfm PLDL1KEEP, [pA]
+ prfm PLDL1KEEP, [pA, #64]
+ prfm PLDL1KEEP, [origPB]
+
+ SAVE8x4
+
+dgemm_kernel_L4_M8_END:
+ subs counterI, counterI, #1
+ bne dgemm_kernel_L4_M8_20
+
+dgemm_kernel_L4_M4_BEGIN:
+
+ mov counterI, origM
+ tst counterI , #7
+ ble dgemm_kernel_L4_END
+
+ tst counterI, #4
+ ble dgemm_kernel_L4_M2_BEGIN
+
+dgemm_kernel_L4_M4_20:
+
+ INIT4x4
+
+ mov pB, origPB
+
+ asr counterL , origK, #3 // counterL = counterL / 8
+ cmp counterL , #0
+ ble dgemm_kernel_L4_M4_40
+
+ .align 5
+dgemm_kernel_L4_M4_22:
+
+ KERNEL4x4_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL4x4_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ KERNEL4x4_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL4x4_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+
+ KERNEL4x4_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL4x4_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ KERNEL4x4_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL4x4_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L4_M4_22
+
+dgemm_kernel_L4_M4_40:
+
+ ands counterL , origK, #7 // counterL = counterL % 8
+ ble dgemm_kernel_L4_M4_100
+
+dgemm_kernel_L4_M4_42:
+
+ KERNEL4x4_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L4_M4_42
+
+dgemm_kernel_L4_M4_100:
+
+ SAVE4x4
+
+dgemm_kernel_L4_M4_END:
+
+dgemm_kernel_L4_M2_BEGIN:
+
+ mov counterI, origM
+ tst counterI , #3
+ ble dgemm_kernel_L4_END
+
+ tst counterI, #2 // counterI = counterI / 2
+ ble dgemm_kernel_L4_M1_BEGIN
+
+dgemm_kernel_L4_M2_20:
+
+ INIT2x4
+
+ mov pB, origPB
+
+ asr counterL , origK, #3 // counterL = counterL / 8
+ cmp counterL , #0
+ ble dgemm_kernel_L4_M2_40
+
+ .align 5
+dgemm_kernel_L4_M2_22:
+
+ KERNEL2x4_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL2x4_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ KERNEL2x4_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL2x4_SUB
+
+ KERNEL2x4_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL2x4_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ KERNEL2x4_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL2x4_SUB
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L4_M2_22
+
+
+dgemm_kernel_L4_M2_40:
+
+ ands counterL , origK, #7 // counterL = counterL % 8
+ ble dgemm_kernel_L4_M2_100
+
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE_64]
+dgemm_kernel_L4_M2_42:
+
+ KERNEL2x4_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L4_M2_42
+
+dgemm_kernel_L4_M2_100:
+
+ SAVE2x4
+
+dgemm_kernel_L4_M2_END:
+
+
+dgemm_kernel_L4_M1_BEGIN:
+
+ tst counterI, #1 // counterI = counterI % 2
+ ble dgemm_kernel_L4_END
+
+dgemm_kernel_L4_M1_20:
+
+ INIT1x4
+
+ mov pB, origPB
+
+ asr counterL , origK, #3 // counterL = counterL / 8
+ cmp counterL , #0
+ ble dgemm_kernel_L4_M1_40
+
+ .align 5
+dgemm_kernel_L4_M1_22:
+ KERNEL1x4_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL1x4_SUB
+ KERNEL1x4_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL1x4_SUB
+
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+
+ KERNEL1x4_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL1x4_SUB
+ KERNEL1x4_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL1x4_SUB
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L4_M1_22
+
+
+dgemm_kernel_L4_M1_40:
+
+ ands counterL , origK, #7 // counterL = counterL % 8
+ ble dgemm_kernel_L4_M1_100
+
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+dgemm_kernel_L4_M1_42:
+
+ KERNEL1x4_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L4_M1_42
+
+dgemm_kernel_L4_M1_100:
+
+ SAVE1x4
+
+dgemm_kernel_L4_END:
+
+ lsl temp, origK, #5
+ add origPB, origPB, temp // B = B + K * 4 * 8
+
+ subs counterJ, counterJ , #1 // j--
+ bgt dgemm_kernel_L4_BEGIN
+
+
+/******************************************************************************/
+
+dgemm_kernel_L2_BEGIN: // less than 2 left in N direction
+
+ mov counterJ , origN
+ tst counterJ , #3
+ ble dgemm_kernel_L999 // error, N was less than 4?
+
+ tst counterJ , #2
+ ble dgemm_kernel_L1_BEGIN
+
+ mov pCRow0, pC
+ add pCRow1, pCRow0, LDC
+
+ add pC, pCRow1, LDC
+
+ mov pA, origPA // pA = A
+
+dgemm_kernel_L2_M8_BEGIN:
+
+ mov counterI, origM
+ asr counterI, counterI, #3 // counterI = counterI / 8
+ cmp counterI, #0
+ ble dgemm_kernel_L2_M4_BEGIN
+
+ .align 5
+dgemm_kernel_L2_M8_20:
+
+ INIT8x2
+
+ mov pB, origPB
+
+ asr counterL , origK, #3 // counterL = counterL / 8
+ cmp counterL,#0
+ ble dgemm_kernel_L2_M8_40
+
+ .align 5
+dgemm_kernel_L2_M8_22:
+ KERNEL8x2_SUB
+ KERNEL8x2_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL8x2_SUB
+ KERNEL8x2_SUB
+
+ KERNEL8x2_SUB
+ KERNEL8x2_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL8x2_SUB
+ KERNEL8x2_SUB
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L2_M8_22
+
+dgemm_kernel_L2_M8_40:
+
+ ands counterL , origK, #7 // counterL = counterL % 8
+ ble dgemm_kernel_L2_M8_100
+
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE_64]
+dgemm_kernel_L2_M8_42:
+
+ KERNEL8x2_SUB
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L2_M8_42
+
+dgemm_kernel_L2_M8_100:
+
+ SAVE8x2
+
+dgemm_kernel_L2_M8_END:
+
+ subs counterI, counterI, #1
+ bgt dgemm_kernel_L2_M8_20
+
+dgemm_kernel_L2_M4_BEGIN:
+
+ mov counterI, origM
+ tst counterI , #7
+ ble dgemm_kernel_L2_END
+
+ tst counterI, #4 // counterI = counterI / 2
+ ble dgemm_kernel_L2_M2_BEGIN
+
+dgemm_kernel_L2_M4_20:
+
+ INIT4x2
+
+ mov pB, origPB
+
+ asr counterL , origK, #3 // counterL = counterL / 8
+ cmp counterL,#0
+ ble dgemm_kernel_L2_M4_40
+
+ .align 5
+dgemm_kernel_L2_M4_22:
+ KERNEL4x2_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ KERNEL4x2_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL4x2_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ KERNEL4x2_SUB
+
+ KERNEL4x2_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ KERNEL4x2_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL4x2_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ KERNEL4x2_SUB
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L2_M4_22
+
+
+dgemm_kernel_L2_M4_40:
+
+ ands counterL , origK, #7 // counterL = counterL % 8
+ ble dgemm_kernel_L2_M4_100
+
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE_64]
+dgemm_kernel_L2_M4_42:
+
+ KERNEL4x2_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L2_M4_42
+
+dgemm_kernel_L2_M4_100:
+
+ SAVE4x2
+
+dgemm_kernel_L2_M4_END:
+
+
+dgemm_kernel_L2_M2_BEGIN:
+
+ mov counterI, origM
+ tst counterI , #3
+ ble dgemm_kernel_L2_END
+
+ tst counterI, #2 // counterI = counterI / 2
+ ble dgemm_kernel_L2_M1_BEGIN
+
+dgemm_kernel_L2_M2_20:
+
+ INIT2x2
+
+ mov pB, origPB
+
+ asr counterL , origK, #3 // counterL = counterL / 8
+ cmp counterL,#0
+ ble dgemm_kernel_L2_M2_40
+
+dgemm_kernel_L2_M2_22:
+
+ KERNEL2x2_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL2x2_SUB
+ KERNEL2x2_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ KERNEL2x2_SUB
+
+ KERNEL2x2_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL2x2_SUB
+ KERNEL2x2_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ KERNEL2x2_SUB
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L2_M2_22
+
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE_64]
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE_64]
+dgemm_kernel_L2_M2_40:
+
+ ands counterL , origK, #7 // counterL = counterL % 8
+ ble dgemm_kernel_L2_M2_100
+
+dgemm_kernel_L2_M2_42:
+
+ KERNEL2x2_SUB
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L2_M2_42
+
+dgemm_kernel_L2_M2_100:
+
+ SAVE2x2
+
+dgemm_kernel_L2_M2_END:
+
+
+dgemm_kernel_L2_M1_BEGIN:
+
+ tst counterI, #1 // counterI = counterI % 2
+ ble dgemm_kernel_L2_END
+
+dgemm_kernel_L2_M1_20:
+
+ INIT1x2
+
+ mov pB, origPB
+
+ asr counterL , origK, #3 // counterL = counterL / 8
+ cmp counterL, #0
+ ble dgemm_kernel_L2_M1_40
+
+dgemm_kernel_L2_M1_22:
+ KERNEL1x2_SUB
+ KERNEL1x2_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL1x2_SUB
+ KERNEL1x2_SUB
+
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+
+ KERNEL1x2_SUB
+ KERNEL1x2_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL1x2_SUB
+ KERNEL1x2_SUB
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L2_M1_22
+
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE_64]
+dgemm_kernel_L2_M1_40:
+
+ ands counterL , origK, #7 // counterL = counterL % 8
+ ble dgemm_kernel_L2_M1_100
+
+dgemm_kernel_L2_M1_42:
+
+ KERNEL1x2_SUB
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L2_M1_42
+
+dgemm_kernel_L2_M1_100:
+
+ SAVE1x2
+
+dgemm_kernel_L2_END:
+ add origPB, origPB, origK, lsl #4 // B = B + K * 2 * 8
+
+/******************************************************************************/
+
+dgemm_kernel_L1_BEGIN:
+
+ mov counterJ , origN
+ tst counterJ , #1
+ ble dgemm_kernel_L999 // done
+
+ mov pCRow0, pC // pCRow0 = C
+ add pC , pC , LDC // Update pC to point to next
+
+ mov pA, origPA // pA = A
+
+dgemm_kernel_L1_M8_BEGIN:
+
+ mov counterI, origM
+ asr counterI, counterI, #3 // counterI = counterI / 8
+ cmp counterI, #0
+ ble dgemm_kernel_L1_M4_BEGIN
+
+ .align 5
+dgemm_kernel_L1_M8_20:
+
+ INIT8x1
+
+ mov pB, origPB
+ asr counterL , origK, #3 // counterL = counterL / 8
+ cmp counterL , #0
+ ble dgemm_kernel_L1_M8_40
+
+ .align 5
+dgemm_kernel_L1_M8_22:
+ KERNEL8x1_SUB
+ KERNEL8x1_SUB
+ KERNEL8x1_SUB
+ KERNEL8x1_SUB
+
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+
+ KERNEL8x1_SUB
+ KERNEL8x1_SUB
+ KERNEL8x1_SUB
+ KERNEL8x1_SUB
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L1_M8_22
+
+
+dgemm_kernel_L1_M8_40:
+
+ ands counterL , origK, #7 // counterL = counterL % 8
+ ble dgemm_kernel_L1_M8_100
+
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+dgemm_kernel_L1_M8_42:
+
+ KERNEL8x1_SUB
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L1_M8_42
+
+dgemm_kernel_L1_M8_100:
+
+ SAVE8x1
+
+dgemm_kernel_L1_M8_END:
+
+ subs counterI, counterI, #1
+ bgt dgemm_kernel_L1_M8_20
+
+dgemm_kernel_L1_M4_BEGIN:
+
+ mov counterI, origM
+ tst counterI , #7
+ ble dgemm_kernel_L1_END
+
+ tst counterI, #4 // counterI = counterI / 2
+ ble dgemm_kernel_L1_M2_BEGIN
+
+dgemm_kernel_L1_M4_20:
+
+ INIT4x1
+
+ mov pB, origPB
+ asr counterL , origK, #3 // counterL = counterL / 8
+ cmp counterL , #0
+ ble dgemm_kernel_L1_M4_40
+
+ .align 5
+dgemm_kernel_L1_M4_22:
+ KERNEL4x1_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ KERNEL4x1_SUB
+ KERNEL4x1_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ KERNEL4x1_SUB
+
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+
+ KERNEL4x1_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ KERNEL4x1_SUB
+ KERNEL4x1_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ KERNEL4x1_SUB
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L1_M4_22
+
+
+dgemm_kernel_L1_M4_40:
+
+ ands counterL , origK, #7 // counterL = counterL % 8
+ ble dgemm_kernel_L1_M4_100
+
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+dgemm_kernel_L1_M4_42:
+
+ KERNEL4x1_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L1_M4_42
+
+dgemm_kernel_L1_M4_100:
+
+ SAVE4x1
+
+dgemm_kernel_L1_M4_END:
+
+dgemm_kernel_L1_M2_BEGIN:
+
+ mov counterI, origM
+ tst counterI , #3
+ ble dgemm_kernel_L1_END
+
+ tst counterI, #2 // counterI = counterI / 2
+ ble dgemm_kernel_L1_M1_BEGIN
+
+dgemm_kernel_L1_M2_20:
+
+ INIT2x1
+
+ mov pB, origPB
+
+ asr counterL , origK, #3 // counterL = counterL / 8
+ cmp counterL , #0
+ ble dgemm_kernel_L1_M2_40
+
+dgemm_kernel_L1_M2_22:
+
+ KERNEL2x1_SUB
+ KERNEL2x1_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ KERNEL2x1_SUB
+ KERNEL2x1_SUB
+
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+
+ KERNEL2x1_SUB
+ KERNEL2x1_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ KERNEL2x1_SUB
+ KERNEL2x1_SUB
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L1_M2_22
+
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE_64]
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+dgemm_kernel_L1_M2_40:
+
+ ands counterL , origK, #7 // counterL = counterL % 8
+ ble dgemm_kernel_L1_M2_100
+
+dgemm_kernel_L1_M2_42:
+
+ KERNEL2x1_SUB
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L1_M2_42
+
+dgemm_kernel_L1_M2_100:
+
+ SAVE2x1
+
+dgemm_kernel_L1_M2_END:
+
+
+dgemm_kernel_L1_M1_BEGIN:
+
+ tst counterI, #1 // counterI = counterI % 2
+ ble dgemm_kernel_L1_END
+
+dgemm_kernel_L1_M1_20:
+
+ INIT1x1
+
+ mov pB, origPB
+
+ asr counterL , origK, #3 // counterL = counterL / 8
+ cmp counterL , #0
+ ble dgemm_kernel_L1_M1_40
+
+
+dgemm_kernel_L1_M1_22:
+ KERNEL1x1_SUB
+ KERNEL1x1_SUB
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ KERNEL1x1_SUB
+ KERNEL1x1_SUB
+
+ KERNEL1x1_SUB
+ KERNEL1x1_SUB
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+ KERNEL1x1_SUB
+ KERNEL1x1_SUB
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L1_M1_22
+
+
+dgemm_kernel_L1_M1_40:
+
+ ands counterL , origK, #7 // counterL = counterL % 8
+ ble dgemm_kernel_L1_M1_100
+
+ prfm PLDL1KEEP, [pA, A_PRE_SIZE]
+ prfm PLDL1KEEP, [pB, B_PRE_SIZE]
+dgemm_kernel_L1_M1_42:
+
+ KERNEL1x1_SUB
+
+ subs counterL, counterL, #1
+ bgt dgemm_kernel_L1_M1_42
+
+dgemm_kernel_L1_M1_100:
+
+ SAVE1x1
+
+
+dgemm_kernel_L1_END:
+
+
+dgemm_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
+