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blis/kernels/skx/3/bli_dgemm_skx_asm_16x12_l2.c
Field G. Van Zee 0645f239fb Remove UT-Austin from copyright headers' clause 3. 
Details:
- Removed explicit reference to The University of Texas at Austin in the
  third clause of the license comment blocks of all relevant files and
  replaced it with a more all-encompassing "copyright holder(s)".
- Removed duplicate words ("derived") from a few kernels' license
  comment blocks.
- Homogenized license comment block in kernels/zen/3/bli_gemm_small.c
  with format of all other comment blocks.
2018-12-04 14:31:06 -06:00

549 lines
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/*
BLIS
An object-based framework for developing high-performance BLAS-like
libraries.
Copyright (C) 2014, The University of Texas at Austin
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- 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.
- Neither the name(s) of the copyright holder(s) 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 UNIVERSITY
OF TEXAS 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.
*/
#include "blis.h"
#define BLIS_ASM_SYNTAX_INTEL
#include "bli_x86_asm_macros.h"
#define A_L1_PREFETCH_DIST 4 //should be multiple of 2
/*The pointer of B is moved ahead by one iteration of k
before the loop starts.Therefore, prefetching 3 k iterations
ahead*/
#define B_L1_PREFETCH_DIST 4
#define TAIL_NITER 8
#define CACHELINE_SIZE 64 //size of cache line in bytes
/* During each subiteration, prefetching 2 cache lines of B
* UNROLL factor ahead. 2cache lines = 16 doubles (NR).
* */
#define PREFETCH_A_L1(n, k) \
PREFETCH(0, MEM(RAX, A_L1_PREFETCH_DIST*16*8 + (2*n+k) * CACHELINE_SIZE))
/* Preloading B for the first iteration of the main loop.
* for subiter(1), subiter(2), and subiter(3) */
#define PREFETCH_B_L1_1ITER \
PREFETCH(0, MEM(RBX )) \
PREFETCH(0, MEM(RBX, CACHELINE_SIZE)) \
PREFETCH(0, MEM(RBX, 2*CACHELINE_SIZE)) \
PREFETCH(0, MEM(RBX, 3*CACHELINE_SIZE)) \
PREFETCH(0, MEM(RBX, 4*CACHELINE_SIZE)) \
PREFETCH(0, MEM(RBX, 5*CACHELINE_SIZE))
#define LOOP_ALIGN ALIGN16
#define UPDATE_C(R1,R2,R3,R4) \
\
VMULPD(ZMM(R1), ZMM(R1), ZMM(0)) \
VMULPD(ZMM(R2), ZMM(R2), ZMM(0)) \
VMULPD(ZMM(R3), ZMM(R3), ZMM(0)) \
VMULPD(ZMM(R4), ZMM(R4), ZMM(0)) \
VFMADD231PD(ZMM(R1), ZMM(1), MEM(RCX,0*64)) \
VFMADD231PD(ZMM(R2), ZMM(1), MEM(RCX,1*64)) \
VFMADD231PD(ZMM(R3), ZMM(1), MEM(RCX,RAX,1,0*64)) \
VFMADD231PD(ZMM(R4), ZMM(1), MEM(RCX,RAX,1,1*64)) \
VMOVUPD(MEM(RCX,0*64), ZMM(R1)) \
VMOVUPD(MEM(RCX,1*64), ZMM(R2)) \
VMOVUPD(MEM(RCX,RAX,1,0*64), ZMM(R3)) \
VMOVUPD(MEM(RCX,RAX,1,1*64), ZMM(R4)) \
LEA(RCX, MEM(RCX,RAX,2))
#define UPDATE_C_BZ(R1,R2,R3,R4) \
\
VMULPD(ZMM(R1), ZMM(R1), ZMM(0)) \
VMULPD(ZMM(R2), ZMM(R2), ZMM(0)) \
VMULPD(ZMM(R3), ZMM(R3), ZMM(0)) \
VMULPD(ZMM(R4), ZMM(R4), ZMM(0)) \
VMOVUPD(MEM(RCX,0*64), ZMM(R1)) \
VMOVUPD(MEM(RCX,1*64), ZMM(R2)) \
VMOVUPD(MEM(RCX,RAX,1,0*64), ZMM(R3)) \
VMOVUPD(MEM(RCX,RAX,1,1*64), ZMM(R4)) \
LEA(RCX, MEM(RCX,RAX,2))
#define UPDATE_C_ROW_SCATTERED(R1,R2,R3,R4) \
\
KXNORW(K(1), K(0), K(0)) \
KXNORW(K(2), K(0), K(0)) \
VMULPD(ZMM(R1), ZMM(R1), ZMM(0)) \
VGATHERQPD(ZMM(6) MASK_K(1), MEM(RCX,ZMM(2),1)) \
VFMADD231PD(ZMM(R1), ZMM(6), ZMM(1)) \
VSCATTERQPD(MEM(RCX,ZMM(2),1) MASK_K(2), ZMM(R1)) \
\
KXNORW(K(1), K(0), K(0)) \
KXNORW(K(2), K(0), K(0)) \
VMULPD(ZMM(R2), ZMM(R2), ZMM(0)) \
VGATHERQPD(ZMM(6) MASK_K(1), MEM(RCX,ZMM(3),1)) \
VFMADD231PD(ZMM(R2), ZMM(6), ZMM(1)) \
VSCATTERQPD(MEM(RCX,ZMM(3),1) MASK_K(2), ZMM(R2)) \
\
LEA(RCX, MEM(RCX,RAX,1)) \
\
KXNORW(K(1), K(0), K(0)) \
KXNORW(K(2), K(0), K(0)) \
VMULPD(ZMM(R3), ZMM(R3), ZMM(0)) \
VGATHERQPD(ZMM(6) MASK_K(1), MEM(RCX,ZMM(2),1)) \
VFMADD231PD(ZMM(R3), ZMM(6), ZMM(1)) \
VSCATTERQPD(MEM(RCX,ZMM(2),1) MASK_K(2), ZMM(R3)) \
\
KXNORW(K(1), K(0), K(0)) \
KXNORW(K(2), K(0), K(0)) \
VMULPD(ZMM(R4), ZMM(R4), ZMM(0)) \
VGATHERQPD(ZMM(6) MASK_K(1), MEM(RCX,ZMM(3),1)) \
VFMADD231PD(ZMM(R4), ZMM(6), ZMM(1)) \
VSCATTERQPD(MEM(RCX,ZMM(3),1) MASK_K(2), ZMM(R4)) \
\
LEA(RCX, MEM(RCX,RAX,1))
#define UPDATE_C_BZ_ROW_SCATTERED(R1,R2,R3,R4) \
\
KXNORW(K(1), K(0), K(0)) \
VMULPD(ZMM(R1), ZMM(R1), ZMM(0)) \
VSCATTERQPD(MEM(RCX,ZMM(2),1) MASK_K(1), ZMM(R1)) \
\
KXNORW(K(1), K(0), K(0)) \
VMULPD(ZMM(R2), ZMM(R2), ZMM(0)) \
VSCATTERQPD(MEM(RCX,ZMM(3),1) MASK_K(1), ZMM(R2)) \
\
LEA(RCX, MEM(RCX,RAX,1)) \
\
KXNORW(K(1), K(0), K(0)) \
VMULPD(ZMM(R3), ZMM(R3), ZMM(0)) \
VSCATTERQPD(MEM(RCX,ZMM(2),1) MASK_K(1), ZMM(R3)) \
\
KXNORW(K(1), K(0), K(0)) \
VMULPD(ZMM(R4), ZMM(R4), ZMM(0)) \
VSCATTERQPD(MEM(RCX,ZMM(3),1) MASK_K(1), ZMM(R4)) \
\
LEA(RCX, MEM(RCX,RAX,1))
#ifdef PREFETCH_C_L2
#undef PREFETCH_C_L2
#define PREFETCH_C_L2 \
\
PREFETCH(1, MEM(RCX, 0*64)) \
PREFETCH(1, MEM(RCX, 1*64)) \
\
PREFETCH(1, MEM(RCX,R12,1,0*64)) \
PREFETCH(1, MEM(RCX,R12,1,1*64)) \
\
PREFETCH(1, MEM(RCX,R12,2,0*64)) \
PREFETCH(1, MEM(RCX,R12,2,1*64)) \
\
PREFETCH(1, MEM(RCX,R13,1,0*64)) \
PREFETCH(1, MEM(RCX,R13,1,1*64)) \
\
PREFETCH(1, MEM(RCX,R12,4,0*64)) \
PREFETCH(1, MEM(RCX,R12,4,1*64)) \
\
PREFETCH(1, MEM(RCX,R14,1,0*64)) \
PREFETCH(1, MEM(RCX,R14,1,1*64)) \
\
PREFETCH(1, MEM(RCX,R13,2,0*64)) \
PREFETCH(1, MEM(RCX,R13,2,1*64)) \
\
PREFETCH(1, MEM(RCX,R15,1,0*64)) \
PREFETCH(1, MEM(RCX,R15,1,1*64)) \
\
PREFETCH(1, MEM(RDX, 0*64)) \
PREFETCH(1, MEM(RDX, 1*64)) \
\
PREFETCH(1, MEM(RDX,R12,1,0*64)) \
PREFETCH(1, MEM(RDX,R12,1,1*64)) \
\
PREFETCH(1, MEM(RDX,R12,2,0*64)) \
PREFETCH(1, MEM(RDX,R12,2,1*64)) \
\
PREFETCH(1, MEM(RDX,R13,1,0*64)) \
PREFETCH(1, MEM(RDX,R13,1,1*64))
#else
#undef PREFETCH_C_L2
#define PREFETCH_C_L2
#endif
#define PREFETCH_C_L1 \
\
PREFETCHW0(MEM(RCX, 0*64)) \
PREFETCHW0(MEM(RCX, 1*64)) \
PREFETCHW0(MEM(RCX,R12,1,0*64)) \
PREFETCHW0(MEM(RCX,R12,1,1*64)) \
PREFETCHW0(MEM(RCX,R12,2,0*64)) \
PREFETCHW0(MEM(RCX,R12,2,1*64)) \
PREFETCHW0(MEM(RCX,R13,1,0*64)) \
PREFETCHW0(MEM(RCX,R13,1,1*64)) \
PREFETCHW0(MEM(RCX,R12,4,0*64)) \
PREFETCHW0(MEM(RCX,R12,4,1*64)) \
PREFETCHW0(MEM(RCX,R14,1,0*64)) \
PREFETCHW0(MEM(RCX,R14,1,1*64)) \
PREFETCHW0(MEM(RCX,R13,2,0*64)) \
PREFETCHW0(MEM(RCX,R13,2,1*64)) \
PREFETCHW0(MEM(RCX,R15,1,0*64)) \
PREFETCHW0(MEM(RCX,R15,1,1*64)) \
PREFETCHW0(MEM(RDX, 0*64)) \
PREFETCHW0(MEM(RDX, 1*64)) \
PREFETCHW0(MEM(RDX,R12,1,0*64)) \
PREFETCHW0(MEM(RDX,R12,1,1*64)) \
PREFETCHW0(MEM(RDX,R12,2,0*64)) \
PREFETCHW0(MEM(RDX,R12,2,1*64)) \
PREFETCHW0(MEM(RDX,R13,1,0*64)) \
PREFETCHW0(MEM(RDX,R13,1,1*64))
//
// n: index in unrolled loop
//
// a: ZMM register to load into
// b: ZMM register to read from
//
// ...: addressing for A, except for offset
//
#define SUBITER(n) \
\
PREFETCH_A_L1(n, 0) \
\
VBROADCASTSD(ZMM(3), MEM(RBX,(12*n+ 0)*8)) \
VBROADCASTSD(ZMM(4), MEM(RBX,(12*n+ 1)*8)) \
VFMADD231PD(ZMM( 8), ZMM(0), ZMM(3)) \
VFMADD231PD(ZMM( 9), ZMM(1), ZMM(3)) \
VFMADD231PD(ZMM(10), ZMM(0), ZMM(4)) \
VFMADD231PD(ZMM(11), ZMM(1), ZMM(4)) \
\
VBROADCASTSD(ZMM(3), MEM(RBX,(12*n+ 2)*8)) \
VBROADCASTSD(ZMM(4), MEM(RBX,(12*n+ 3)*8)) \
VFMADD231PD(ZMM(12), ZMM(0), ZMM(3)) \
VFMADD231PD(ZMM(13), ZMM(1), ZMM(3)) \
VFMADD231PD(ZMM(14), ZMM(0), ZMM(4)) \
VFMADD231PD(ZMM(15), ZMM(1), ZMM(4)) \
\
VBROADCASTSD(ZMM(3), MEM(RBX,(12*n+ 4)*8)) \
VBROADCASTSD(ZMM(4), MEM(RBX,(12*n+ 5)*8)) \
VFMADD231PD(ZMM(16), ZMM(0), ZMM(3)) \
VFMADD231PD(ZMM(17), ZMM(1), ZMM(3)) \
VFMADD231PD(ZMM(18), ZMM(0), ZMM(4)) \
VFMADD231PD(ZMM(19), ZMM(1), ZMM(4)) \
\
PREFETCH_A_L1(n, 1) \
\
VBROADCASTSD(ZMM(3), MEM(RBX,(12*n+ 6)*8)) \
VBROADCASTSD(ZMM(4), MEM(RBX,(12*n+ 7)*8)) \
VFMADD231PD(ZMM(20), ZMM(0), ZMM(3)) \
VFMADD231PD(ZMM(21), ZMM(1), ZMM(3)) \
VFMADD231PD(ZMM(22), ZMM(0), ZMM(4)) \
VFMADD231PD(ZMM(23), ZMM(1), ZMM(4)) \
\
VBROADCASTSD(ZMM(3), MEM(RBX,(12*n+ 8)*8)) \
VBROADCASTSD(ZMM(4), MEM(RBX,(12*n+ 9)*8)) \
VFMADD231PD(ZMM(24), ZMM(0), ZMM(3)) \
VFMADD231PD(ZMM(25), ZMM(1), ZMM(3)) \
VFMADD231PD(ZMM(26), ZMM(0), ZMM(4)) \
VFMADD231PD(ZMM(27), ZMM(1), ZMM(4)) \
\
VBROADCASTSD(ZMM(3), MEM(RBX,(12*n+10)*8)) \
VBROADCASTSD(ZMM(4), MEM(RBX,(12*n+11)*8)) \
VFMADD231PD(ZMM(28), ZMM(0), ZMM(3)) \
VFMADD231PD(ZMM(29), ZMM(1), ZMM(3)) \
VFMADD231PD(ZMM(30), ZMM(0), ZMM(4)) \
VFMADD231PD(ZMM(31), ZMM(1), ZMM(4)) \
\
VMOVAPD(ZMM(0), MEM(RAX,(16*n+0)*8)) \
VMOVAPD(ZMM(1), MEM(RAX,(16*n+8)*8))
//This is an array used for the scatter/gather instructions.
static int64_t offsets[16] __attribute__((aligned(64))) =
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15};
void bli_dgemm_skx_asm_16x12_l2(
dim_t k_,
double* restrict alpha,
double* restrict a,
double* restrict b,
double* restrict beta,
double* restrict c, inc_t rs_c_, inc_t cs_c_,
auxinfo_t* data,
cntx_t* restrict cntx
)
{
(void)data;
(void)cntx;
const int64_t* offsetPtr = &offsets[0];
const int64_t k = k_;
const int64_t rs_c = rs_c_;
const int64_t cs_c = cs_c_;
BEGIN_ASM()
VXORPD(YMM(8), YMM(8), YMM(8)) //clear out registers
VMOVAPD(YMM( 7), YMM(8))
VMOVAPD(YMM( 9), YMM(8))
VMOVAPD(YMM(10), YMM(8)) MOV(RSI, VAR(k)) //loop index
VMOVAPD(YMM(11), YMM(8)) MOV(RAX, VAR(a)) //load address of a
VMOVAPD(YMM(12), YMM(8)) MOV(RBX, VAR(b)) //load address of b
VMOVAPD(YMM(13), YMM(8)) MOV(RCX, VAR(c)) //load address of c
VMOVAPD(YMM(14), YMM(8))
VMOVAPD(YMM(15), YMM(8)) VMOVAPD(ZMM(0), MEM(RAX, 0*8)) //pre-load a
VMOVAPD(YMM(16), YMM(8)) VMOVAPD(ZMM(1), MEM(RAX, 8*8)) //pre-load a
VMOVAPD(YMM(17), YMM(8))
VMOVAPD(YMM(18), YMM(8))
VMOVAPD(YMM(19), YMM(8)) MOV(R12, VAR(cs_c)) //cs_c
VMOVAPD(YMM(20), YMM(8)) LEA(R13, MEM(R12,R12,2)) //*3
VMOVAPD(YMM(21), YMM(8)) LEA(R14, MEM(R12,R12,4)) //*5
VMOVAPD(YMM(22), YMM(8)) LEA(R15, MEM(R14,R12,2)) //*7
VMOVAPD(YMM(23), YMM(8)) LEA(RDX, MEM(RCX,R12,8)) //c + 8*cs_c
VMOVAPD(YMM(24), YMM(8))
VMOVAPD(YMM(25), YMM(8)) MOV(R8, IMM(16*8)) //mr*sizeof(double)
VMOVAPD(YMM(26), YMM(8)) MOV(R9, IMM(12*8)) //nr*sizeof(double)
VMOVAPD(YMM(27), YMM(8))
VMOVAPD(YMM(28), YMM(8)) LEA(RAX, MEM(RAX,R8,1)) //adjust a for pre-load
VMOVAPD(YMM(29), YMM(8))
VMOVAPD(YMM(30), YMM(8))
VMOVAPD(YMM(31), YMM(8))
TEST(RSI, RSI)
JZ(POSTACCUM)
#ifdef PREFETCH_A_BEFORE
PREFETCH(0, MEM(RAX,0*64))
PREFETCH(0, MEM(RAX,1*64))
PREFETCH(0, MEM(RAX,2*64))
PREFETCH(0, MEM(RAX,3*64))
PREFETCH(0, MEM(RAX,4*64))
PREFETCH(0, MEM(RAX,5*64))
PREFETCH(0, MEM(RAX,6*64))
PREFETCH(0, MEM(RAX,7*64))
#endif
#ifdef PREFETCH_B_BEFORE
PREFETCH(0, MEM(RBX,0*64))
PREFETCH(0, MEM(RBX,1*64))
PREFETCH(0, MEM(RBX,2*64))
PREFETCH(0, MEM(RBX,3*64))
PREFETCH(0, MEM(RBX,4*64))
PREFETCH(0, MEM(RBX,5*64))
#endif
PREFETCH_C_L2
MOV(RDI, RSI)
AND(RSI, IMM(3))
SAR(RDI, IMM(2))
SUB(RDI, IMM(0+TAIL_NITER))
JLE(K_SMALL)
LOOP_ALIGN
LABEL(MAIN_LOOP)
PREFETCH(0, MEM(RBX,B_L1_PREFETCH_DIST*12*8))
PREFETCH(0, MEM(RBX,B_L1_PREFETCH_DIST*12*8+64))
SUBITER(0)
PREFETCH(0, MEM(RBX,B_L1_PREFETCH_DIST*12*8+128))
SUBITER(1)
PREFETCH(0, MEM(RBX,B_L1_PREFETCH_DIST*12*8+192))
PREFETCH(0, MEM(RBX,B_L1_PREFETCH_DIST*12*8+256))
SUBITER(2)
PREFETCH(0, MEM(RBX,B_L1_PREFETCH_DIST*12*8+320))
SUBITER(3)
LEA(RAX, MEM(RAX,R8,4))
LEA(RBX, MEM(RBX,R9,4))
DEC(RDI)
JNZ(MAIN_LOOP)
LABEL(K_SMALL)
PREFETCH_C_L1
ADD(RDI, IMM(0+TAIL_NITER))
JZ(TAIL_LOOP)
LOOP_ALIGN
LABEL(SMALL_LOOP)
PREFETCH(0, MEM(RBX,B_L1_PREFETCH_DIST*12*8))
PREFETCH(0, MEM(RBX,B_L1_PREFETCH_DIST*12*8+64))
SUBITER(0)
PREFETCH(0, MEM(RBX,B_L1_PREFETCH_DIST*12*8+128))
SUBITER(1)
PREFETCH(0, MEM(RBX,B_L1_PREFETCH_DIST*12*8+192))
PREFETCH(0, MEM(RBX,B_L1_PREFETCH_DIST*12*8+256))
SUBITER(2)
PREFETCH(0, MEM(RBX,B_L1_PREFETCH_DIST*12*8+320))
SUBITER(3)
LEA(RAX, MEM(RAX,R8,4))
LEA(RBX, MEM(RBX,R9,4))
DEC(RDI)
JNZ(SMALL_LOOP)
TEST(RSI, RSI)
JZ(POSTACCUM)
LOOP_ALIGN
LABEL(TAIL_LOOP)
PREFETCH(0, MEM(RBX,B_L1_PREFETCH_DIST*12*8))
PREFETCH(0, MEM(RBX,B_L1_PREFETCH_DIST*12*8+64))
SUBITER(0)
ADD(RAX, R8)
ADD(RBX, R9)
DEC(RSI)
JNZ(TAIL_LOOP)
LABEL(POSTACCUM)
#ifdef PREFETCH_A_AFTER
MOV(R8, VAR(a))
PREFETCH(0, MEM(R8,0*64))
PREFETCH(0, MEM(R8,1*64))
PREFETCH(0, MEM(R8,2*64))
PREFETCH(0, MEM(R8,3*64))
PREFETCH(0, MEM(R8,4*64))
PREFETCH(0, MEM(R8,5*64))
PREFETCH(0, MEM(R8,6*64))
PREFETCH(0, MEM(R8,7*64))
#endif
#ifdef PREFETCH_B_AFTER
MOV(R9, VAR(b))
PREFETCH(0, MEM(R9,0*64))
PREFETCH(0, MEM(R9,1*64))
PREFETCH(0, MEM(R9,2*64))
PREFETCH(0, MEM(R9,3*64))
PREFETCH(0, MEM(R9,4*64))
PREFETCH(0, MEM(R9,5*64))
#endif
MOV(RAX, VAR(alpha))
MOV(RBX, VAR(beta))
VBROADCASTSD(ZMM(0), MEM(RAX))
VBROADCASTSD(ZMM(1), MEM(RBX))
MOV(RAX, VAR(cs_c))
LEA(RAX, MEM(,RAX,8))
MOV(RBX, VAR(rs_c))
LEA(RBX, MEM(,RBX,8))
// Check if C is column stride. If not, jump to the slow scattered update
CMP(RBX, IMM(1))
JNE(SCATTEREDUPDATE)
VCOMISD(XMM(1), XMM(7))
JE(COLSTORBZ)
UPDATE_C( 8, 9,10,11)
UPDATE_C(12,13,14,15)
UPDATE_C(16,17,18,19)
UPDATE_C(20,21,22,23)
UPDATE_C(24,25,26,27)
UPDATE_C(28,29,30,31)
JMP(END)
LABEL(COLSTORBZ)
UPDATE_C_BZ( 8, 9,10,11)
UPDATE_C_BZ(12,13,14,15)
UPDATE_C_BZ(16,17,18,19)
UPDATE_C_BZ(20,21,22,23)
UPDATE_C_BZ(24,25,26,27)
UPDATE_C_BZ(28,29,30,31)
JMP(END)
LABEL(SCATTEREDUPDATE)
MOV(RDI, VAR(offsetPtr))
VMOVDQA64(ZMM(2), MEM(RDI,0*64))
VMOVDQA64(ZMM(3), MEM(RDI,1*64))
VPBROADCASTQ(ZMM(6), RBX)
VPMULLQ(ZMM(2), ZMM(6), ZMM(2))
VPMULLQ(ZMM(3), ZMM(6), ZMM(3))
VCOMISD(XMM(1), XMM(7))
JE(SCATTERBZ)
UPDATE_C_ROW_SCATTERED( 8, 9,10,11)
UPDATE_C_ROW_SCATTERED(12,13,14,15)
UPDATE_C_ROW_SCATTERED(16,17,18,19)
UPDATE_C_ROW_SCATTERED(20,21,22,23)
UPDATE_C_ROW_SCATTERED(24,25,26,27)
UPDATE_C_ROW_SCATTERED(28,29,30,31)
JMP(END)
LABEL(SCATTERBZ)
UPDATE_C_BZ_ROW_SCATTERED( 8, 9,10,11)
UPDATE_C_BZ_ROW_SCATTERED(12,13,14,15)
UPDATE_C_BZ_ROW_SCATTERED(16,17,18,19)
UPDATE_C_BZ_ROW_SCATTERED(20,21,22,23)
UPDATE_C_BZ_ROW_SCATTERED(24,25,26,27)
UPDATE_C_BZ_ROW_SCATTERED(28,29,30,31)
LABEL(END)
VZEROUPPER()
END_ASM(
: // output operands
: // input operands
[k] "m" (k),
[a] "m" (a),
[b] "m" (b),
[alpha] "m" (alpha),
[beta] "m" (beta),
[c] "m" (c),
[rs_c] "m" (rs_c),
[cs_c] "m" (cs_c),
[offsetPtr] "m" (offsetPtr)
: // register clobber list
"rax", "rbx", "rcx", "rdx", "rdi", "rsi", "r8", "r9", "r10", "r11", "r12",
"r13", "r14", "r15", "zmm0", "zmm1", "zmm2", "zmm3", "zmm4", "zmm5",
"zmm6", "zmm7", "zmm8", "zmm9", "zmm10", "zmm11", "zmm12", "zmm13",
"zmm14", "zmm15", "zmm16", "zmm17", "zmm18", "zmm19", "zmm20", "zmm21",
"zmm22", "zmm23", "zmm24", "zmm25", "zmm26", "zmm27", "zmm28", "zmm29",
"zmm30", "zmm31", "memory"
)
}
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