void ugemm_8_4(
long k,
double alpha_,
const double* a,
const double* b,
double beta_,
double* c,
long rs_c,
long cs_c
)
{
double *alpha = &alpha_;
double *beta = &beta_;
//void* a_next = bli_auxinfo_next_a( data );
void* b_next = 0;
long k_iter = k / 4;
long k_left = k % 4;
__asm__ volatile
(
" \n\t"
" \n\t"
"movq %2, %%rax \n\t" // load address of a.
"movq %3, %%rbx \n\t" // load address of b.
"movq %9, %%r15 \n\t" // load address of b_next.
//"movq %10, %%r14 \n\t" // load address of a_next.
"addq $-4 * 64, %%r15 \n\t"
" \n\t"
"vmovapd 0 * 32(%%rax), %%ymm0 \n\t" // initialize loop by pre-loading
"vmovapd 0 * 32(%%rbx), %%ymm2 \n\t" // elements of a and b.
"vpermilpd $0x5, %%ymm2, %%ymm3 \n\t"
" \n\t"
"movq %6, %%rcx \n\t" // load address of c
"movq %8, %%rdi \n\t" // load cs_c
"leaq (,%%rdi,8), %%rdi \n\t" // cs_c *= sizeof(double)
"leaq (%%rcx,%%rdi,2), %%r10 \n\t" // load address of c + 2*cs_c;
" \n\t"
"prefetcht0 3 * 8(%%rcx) \n\t" // prefetch c + 0*cs_c
"prefetcht0 3 * 8(%%rcx,%%rdi) \n\t" // prefetch c + 1*cs_c
"prefetcht0 3 * 8(%%r10) \n\t" // prefetch c + 2*cs_c
"prefetcht0 3 * 8(%%r10,%%rdi) \n\t" // prefetch c + 3*cs_c
" \n\t"
"vxorpd %%ymm8, %%ymm8, %%ymm8 \n\t"
"vxorpd %%ymm9, %%ymm9, %%ymm9 \n\t"
"vxorpd %%ymm10, %%ymm10, %%ymm10 \n\t"
"vxorpd %%ymm11, %%ymm11, %%ymm11 \n\t"
"vxorpd %%ymm12, %%ymm12, %%ymm12 \n\t"
"vxorpd %%ymm13, %%ymm13, %%ymm13 \n\t"
"vxorpd %%ymm14, %%ymm14, %%ymm14 \n\t"
"vxorpd %%ymm15, %%ymm15, %%ymm15 \n\t"
" \n\t"
" \n\t"
" \n\t"
"movq %0, %%rsi \n\t" // i = k_iter;
"testq %%rsi, %%rsi \n\t" // check i via logical AND.
"je .DCONSIDKLEFT \n\t" // if i == 0, jump to code that
" \n\t" // contains the k_left loop.
" \n\t"
" \n\t"
".DLOOPKITER: \n\t" // MAIN LOOP
" \n\t"
"addq $4 * 4 * 8, %%r15 \n\t" // b_next += 4*4 (unroll x nr)
" \n\t"
" \n\t" // iteration 0
"vmovapd 1 * 32(%%rax), %%ymm1 \n\t"
"vmulpd %%ymm0, %%ymm2, %%ymm6 \n\t"
"vperm2f128 $0x3, %%ymm2, %%ymm2, %%ymm4 \n\t"
"vmulpd %%ymm0, %%ymm3, %%ymm7 \n\t"
"vperm2f128 $0x3, %%ymm3, %%ymm3, %%ymm5 \n\t"
"vaddpd %%ymm15, %%ymm6, %%ymm15 \n\t"
"vaddpd %%ymm13, %%ymm7, %%ymm13 \n\t"
" \n\t"
"prefetcht0 16 * 32(%%rax) \n\t"
"vmulpd %%ymm1, %%ymm2, %%ymm6 \n\t"
"vmovapd 1 * 32(%%rbx), %%ymm2 \n\t"
"vmulpd %%ymm1, %%ymm3, %%ymm7 \n\t"
"vpermilpd $0x5, %%ymm2, %%ymm3 \n\t"
"vaddpd %%ymm14, %%ymm6, %%ymm14 \n\t"
"vaddpd %%ymm12, %%ymm7, %%ymm12 \n\t"
" \n\t"
"vmulpd %%ymm0, %%ymm4, %%ymm6 \n\t"
"vmulpd %%ymm0, %%ymm5, %%ymm7 \n\t"
"vmovapd 2 * 32(%%rax), %%ymm0 \n\t"
"vaddpd %%ymm11, %%ymm6, %%ymm11 \n\t"
"vaddpd %%ymm9, %%ymm7, %%ymm9 \n\t"
//"prefetcht0 0 * 32(%%r15) \n\t" // prefetch b_next[0*4]
" \n\t"
"vmulpd %%ymm1, %%ymm4, %%ymm6 \n\t"
"vmulpd %%ymm1, %%ymm5, %%ymm7 \n\t"
"vaddpd %%ymm10, %%ymm6, %%ymm10 \n\t"
"vaddpd %%ymm8, %%ymm7, %%ymm8 \n\t"
" \n\t"
" \n\t"
" \n\t" // iteration 1
"vmovapd 3 * 32(%%rax), %%ymm1 \n\t"
"vmulpd %%ymm0, %%ymm2, %%ymm6 \n\t"
"vperm2f128 $0x3, %%ymm2, %%ymm2, %%ymm4 \n\t"
"vmulpd %%ymm0, %%ymm3, %%ymm7 \n\t"
"vperm2f128 $0x3, %%ymm3, %%ymm3, %%ymm5 \n\t"
"vaddpd %%ymm15, %%ymm6, %%ymm15 \n\t"
"vaddpd %%ymm13, %%ymm7, %%ymm13 \n\t"
" \n\t"
"prefetcht0 18 * 32(%%rax) \n\t"
"vmulpd %%ymm1, %%ymm2, %%ymm6 \n\t"
"vmovapd 2 * 32(%%rbx), %%ymm2 \n\t"
"vmulpd %%ymm1, %%ymm3, %%ymm7 \n\t"
"vpermilpd $0x5, %%ymm2, %%ymm3 \n\t"
"vaddpd %%ymm14, %%ymm6, %%ymm14 \n\t"
"vaddpd %%ymm12, %%ymm7, %%ymm12 \n\t"
" \n\t"
"vmulpd %%ymm0, %%ymm4, %%ymm6 \n\t"
"vmulpd %%ymm0, %%ymm5, %%ymm7 \n\t"
"vmovapd 4 * 32(%%rax), %%ymm0 \n\t"
"vaddpd %%ymm11, %%ymm6, %%ymm11 \n\t"
"vaddpd %%ymm9, %%ymm7, %%ymm9 \n\t"
" \n\t"
"vmulpd %%ymm1, %%ymm4, %%ymm6 \n\t"
"vmulpd %%ymm1, %%ymm5, %%ymm7 \n\t"
"vaddpd %%ymm10, %%ymm6, %%ymm10 \n\t"
"vaddpd %%ymm8, %%ymm7, %%ymm8 \n\t"
" \n\t"
" \n\t"
" \n\t" // iteration 2
"vmovapd 5 * 32(%%rax), %%ymm1 \n\t"
"vmulpd %%ymm0, %%ymm2, %%ymm6 \n\t"
"vperm2f128 $0x3, %%ymm2, %%ymm2, %%ymm4 \n\t"
"vmulpd %%ymm0, %%ymm3, %%ymm7 \n\t"
"vperm2f128 $0x3, %%ymm3, %%ymm3, %%ymm5 \n\t"
"vaddpd %%ymm15, %%ymm6, %%ymm15 \n\t"
"vaddpd %%ymm13, %%ymm7, %%ymm13 \n\t"
" \n\t"
"prefetcht0 20 * 32(%%rax) \n\t"
"vmulpd %%ymm1, %%ymm2, %%ymm6 \n\t"
"vmovapd 3 * 32(%%rbx), %%ymm2 \n\t"
"addq $4 * 4 * 8, %%rbx \n\t" // b += 4*4 (unroll x nr)
"vmulpd %%ymm1, %%ymm3, %%ymm7 \n\t"
"vpermilpd $0x5, %%ymm2, %%ymm3 \n\t"
"vaddpd %%ymm14, %%ymm6, %%ymm14 \n\t"
"vaddpd %%ymm12, %%ymm7, %%ymm12 \n\t"
" \n\t"
"vmulpd %%ymm0, %%ymm4, %%ymm6 \n\t"
"vmulpd %%ymm0, %%ymm5, %%ymm7 \n\t"
"vmovapd 6 * 32(%%rax), %%ymm0 \n\t"
"vaddpd %%ymm11, %%ymm6, %%ymm11 \n\t"
"vaddpd %%ymm9, %%ymm7, %%ymm9 \n\t"
//"prefetcht0 2 * 32(%%r15) \n\t" // prefetch b_next[2*4]
" \n\t"
"vmulpd %%ymm1, %%ymm4, %%ymm6 \n\t"
"vmulpd %%ymm1, %%ymm5, %%ymm7 \n\t"
"vaddpd %%ymm10, %%ymm6, %%ymm10 \n\t"
"vaddpd %%ymm8, %%ymm7, %%ymm8 \n\t"
" \n\t"
" \n\t"
" \n\t" // iteration 3
"vmovapd 7 * 32(%%rax), %%ymm1 \n\t"
"addq $4 * 8 * 8, %%rax \n\t" // a += 4*8 (unroll x mr)
"vmulpd %%ymm0, %%ymm2, %%ymm6 \n\t"
"vperm2f128 $0x3, %%ymm2, %%ymm2, %%ymm4 \n\t"
"vmulpd %%ymm0, %%ymm3, %%ymm7 \n\t"
"vperm2f128 $0x3, %%ymm3, %%ymm3, %%ymm5 \n\t"
"vaddpd %%ymm15, %%ymm6, %%ymm15 \n\t"
"vaddpd %%ymm13, %%ymm7, %%ymm13 \n\t"
" \n\t"
"prefetcht0 22 * 32(%%rax) \n\t"
"prefetcht0 14 * 32(%%rax) \n\t"
"vmulpd %%ymm1, %%ymm2, %%ymm6 \n\t"
"vmovapd 0 * 32(%%rbx), %%ymm2 \n\t"
"vmulpd %%ymm1, %%ymm3, %%ymm7 \n\t"
"vpermilpd $0x5, %%ymm2, %%ymm3 \n\t"
"vaddpd %%ymm14, %%ymm6, %%ymm14 \n\t"
"vaddpd %%ymm12, %%ymm7, %%ymm12 \n\t"
" \n\t"
"vmulpd %%ymm0, %%ymm4, %%ymm6 \n\t"
"vmulpd %%ymm0, %%ymm5, %%ymm7 \n\t"
"vmovapd 0 * 32(%%rax), %%ymm0 \n\t"
"vaddpd %%ymm11, %%ymm6, %%ymm11 \n\t"
"vaddpd %%ymm9, %%ymm7, %%ymm9 \n\t"
" \n\t"
"vmulpd %%ymm1, %%ymm4, %%ymm6 \n\t"
"vmulpd %%ymm1, %%ymm5, %%ymm7 \n\t"
"vaddpd %%ymm10, %%ymm6, %%ymm10 \n\t"
"vaddpd %%ymm8, %%ymm7, %%ymm8 \n\t"
" \n\t"
" \n\t"
" \n\t"
//"addq $4 * 8 * 8, %%rax \n\t" // a += 4*8 (unroll x mr)
//"addq $4 * 4 * 8, %%rbx \n\t" // b += 4*4 (unroll x nr)
" \n\t"
"decq %%rsi \n\t" // i -= 1;
"jne .DLOOPKITER \n\t" // iterate again if i != 0.
" \n\t"
" \n\t"
" \n\t"
" \n\t"
" \n\t"
" \n\t"
".DCONSIDKLEFT: \n\t"
" \n\t"
"movq %1, %%rsi \n\t" // i = k_left;
"testq %%rsi, %%rsi \n\t" // check i via logical AND.
"je .DPOSTACCUM \n\t" // if i == 0, we're done; jump to end.
" \n\t" // else, we prepare to enter k_left loop.
" \n\t"
" \n\t"
".DLOOPKLEFT: \n\t" // EDGE LOOP
" \n\t"
"vmovapd 1 * 32(%%rax), %%ymm1 \n\t"
"addq $8 * 1 * 8, %%rax \n\t" // a += 8 (1 x mr)
"vmulpd %%ymm0, %%ymm2, %%ymm6 \n\t"
"vperm2f128 $0x3, %%ymm2, %%ymm2, %%ymm4 \n\t"
"vmulpd %%ymm0, %%ymm3, %%ymm7 \n\t"
"vperm2f128 $0x3, %%ymm3, %%ymm3, %%ymm5 \n\t"
"vaddpd %%ymm15, %%ymm6, %%ymm15 \n\t"
"vaddpd %%ymm13, %%ymm7, %%ymm13 \n\t"
" \n\t"
"prefetcht0 14 * 32(%%rax) \n\t"
"vmulpd %%ymm1, %%ymm2, %%ymm6 \n\t"
"vmovapd 1 * 32(%%rbx), %%ymm2 \n\t"
"addq $4 * 1 * 8, %%rbx \n\t" // b += 4 (1 x nr)
"vmulpd %%ymm1, %%ymm3, %%ymm7 \n\t"
"vpermilpd $0x5, %%ymm2, %%ymm3 \n\t"
"vaddpd %%ymm14, %%ymm6, %%ymm14 \n\t"
"vaddpd %%ymm12, %%ymm7, %%ymm12 \n\t"
" \n\t"
"vmulpd %%ymm0, %%ymm4, %%ymm6 \n\t"
"vmulpd %%ymm0, %%ymm5, %%ymm7 \n\t"
"vmovapd 0 * 32(%%rax), %%ymm0 \n\t"
"vaddpd %%ymm11, %%ymm6, %%ymm11 \n\t"
"vaddpd %%ymm9, %%ymm7, %%ymm9 \n\t"
" \n\t"
"vmulpd %%ymm1, %%ymm4, %%ymm6 \n\t"
"vmulpd %%ymm1, %%ymm5, %%ymm7 \n\t"
"vaddpd %%ymm10, %%ymm6, %%ymm10 \n\t"
"vaddpd %%ymm8, %%ymm7, %%ymm8 \n\t"
" \n\t"
" \n\t"
"decq %%rsi \n\t" // i -= 1;
"jne .DLOOPKLEFT \n\t" // iterate again if i != 0.
" \n\t"
" \n\t"
" \n\t"
".DPOSTACCUM: \n\t"
" \n\t"
" \n\t"
" \n\t" // ymm15: ymm13: ymm11: ymm9:
" \n\t" // ( ab00 ( ab01 ( ab02 ( ab03
" \n\t" // ab11 ab10 ab13 ab12
" \n\t" // ab22 ab23 ab20 ab21
" \n\t" // ab33 ) ab32 ) ab31 ) ab30 )
" \n\t"
" \n\t" // ymm14: ymm12: ymm10: ymm8:
" \n\t" // ( ab40 ( ab41 ( ab42 ( ab43
" \n\t" // ab51 ab50 ab53 ab52
" \n\t" // ab62 ab63 ab60 ab61
" \n\t" // ab73 ) ab72 ) ab71 ) ab70 )
" \n\t"
"vmovapd %%ymm15, %%ymm7 \n\t"
"vshufpd $0xa, %%ymm15, %%ymm13, %%ymm15 \n\t"
"vshufpd $0xa, %%ymm13, %%ymm7, %%ymm13 \n\t"
" \n\t"
"vmovapd %%ymm11, %%ymm7 \n\t"
"vshufpd $0xa, %%ymm11, %%ymm9, %%ymm11 \n\t"
"vshufpd $0xa, %%ymm9, %%ymm7, %%ymm9 \n\t"
" \n\t"
"vmovapd %%ymm14, %%ymm7 \n\t"
"vshufpd $0xa, %%ymm14, %%ymm12, %%ymm14 \n\t"
"vshufpd $0xa, %%ymm12, %%ymm7, %%ymm12 \n\t"
" \n\t"
"vmovapd %%ymm10, %%ymm7 \n\t"
"vshufpd $0xa, %%ymm10, %%ymm8, %%ymm10 \n\t"
"vshufpd $0xa, %%ymm8, %%ymm7, %%ymm8 \n\t"
" \n\t"
" \n\t" // ymm15: ymm13: ymm11: ymm9:
" \n\t" // ( ab01 ( ab00 ( ab03 ( ab02
" \n\t" // ab11 ab10 ab13 ab12
" \n\t" // ab23 ab22 ab21 ab20
" \n\t" // ab33 ) ab32 ) ab31 ) ab30 )
" \n\t"
" \n\t" // ymm14: ymm12: ymm10: ymm8:
" \n\t" // ( ab41 ( ab40 ( ab43 ( ab42
" \n\t" // ab51 ab50 ab53 ab52
" \n\t" // ab63 ab62 ab61 ab60
" \n\t" // ab73 ) ab72 ) ab71 ) ab70 )
" \n\t"
"vmovapd %%ymm15, %%ymm7 \n\t"
"vperm2f128 $0x30, %%ymm15, %%ymm11, %%ymm15 \n\t"
"vperm2f128 $0x12, %%ymm7, %%ymm11, %%ymm11 \n\t"
" \n\t"
"vmovapd %%ymm13, %%ymm7 \n\t"
"vperm2f128 $0x30, %%ymm13, %%ymm9, %%ymm13 \n\t"
"vperm2f128 $0x12, %%ymm7, %%ymm9, %%ymm9 \n\t"
" \n\t"
"vmovapd %%ymm14, %%ymm7 \n\t"
"vperm2f128 $0x30, %%ymm14, %%ymm10, %%ymm14 \n\t"
"vperm2f128 $0x12, %%ymm7, %%ymm10, %%ymm10 \n\t"
" \n\t"
"vmovapd %%ymm12, %%ymm7 \n\t"
"vperm2f128 $0x30, %%ymm12, %%ymm8, %%ymm12 \n\t"
"vperm2f128 $0x12, %%ymm7, %%ymm8, %%ymm8 \n\t"
" \n\t"
" \n\t" // ymm9: ymm11: ymm13: ymm15:
" \n\t" // ( ab00 ( ab01 ( ab02 ( ab03
" \n\t" // ab10 ab11 ab12 ab13
" \n\t" // ab20 ab21 ab22 ab23
" \n\t" // ab30 ) ab31 ) ab32 ) ab33 )
" \n\t"
" \n\t" // ymm8: ymm10: ymm12: ymm14:
" \n\t" // ( ab40 ( ab41 ( ab42 ( ab43
" \n\t" // ab50 ab51 ab52 ab53
" \n\t" // ab60 ab61 ab62 ab63
" \n\t" // ab70 ) ab71 ) ab72 ) ab73 )
" \n\t"
" \n\t"
"movq %4, %%rax \n\t" // load address of alpha
"movq %5, %%rbx \n\t" // load address of beta
"vbroadcastsd (%%rax), %%ymm0 \n\t" // load alpha and duplicate
"vbroadcastsd (%%rbx), %%ymm2 \n\t" // load beta and duplicate
" \n\t"
"vmulpd %%ymm0, %%ymm8, %%ymm8 \n\t" // scale by alpha
"vmulpd %%ymm0, %%ymm9, %%ymm9 \n\t"
"vmulpd %%ymm0, %%ymm10, %%ymm10 \n\t"
"vmulpd %%ymm0, %%ymm11, %%ymm11 \n\t"
"vmulpd %%ymm0, %%ymm12, %%ymm12 \n\t"
"vmulpd %%ymm0, %%ymm13, %%ymm13 \n\t"
"vmulpd %%ymm0, %%ymm14, %%ymm14 \n\t"
"vmulpd %%ymm0, %%ymm15, %%ymm15 \n\t"
" \n\t"
" \n\t"
" \n\t"
" \n\t"
" \n\t"
" \n\t"
"movq %7, %%rsi \n\t" // load rs_c
"leaq (,%%rsi,8), %%rsi \n\t" // rsi = rs_c * sizeof(double)
" \n\t"
"leaq (%%rcx,%%rsi,4), %%rdx \n\t" // load address of c + 4*rs_c;
" \n\t"
"leaq (,%%rsi,2), %%r12 \n\t" // r12 = 2*rs_c;
"leaq (%%r12,%%rsi,1), %%r13 \n\t" // r13 = 3*rs_c;
" \n\t"
" \n\t"
" \n\t"
" \n\t" // determine if
" \n\t" // c % 32 == 0, AND
" \n\t" // 8*cs_c % 32 == 0, AND
" \n\t" // rs_c == 1
" \n\t" // ie: aligned, ldim aligned, and
" \n\t" // column-stored
" \n\t"
"cmpq $8, %%rsi \n\t" // set ZF if (8*rs_c) == 8.
"sete %%bl \n\t" // bl = ( ZF == 1 ? 1 : 0 );
"testq $31, %%rcx \n\t" // set ZF if c & 32 is zero.
"setz %%bh \n\t" // bh = ( ZF == 0 ? 1 : 0 );
"testq $31, %%rdi \n\t" // set ZF if (8*cs_c) & 32 is zero.
"setz %%al \n\t" // al = ( ZF == 0 ? 1 : 0 );
" \n\t" // and(bl,bh) followed by
" \n\t" // and(bh,al) will reveal result
" \n\t"
" \n\t" // now avoid loading C if beta == 0
" \n\t"
"vxorpd %%ymm0, %%ymm0, %%ymm0 \n\t" // set ymm0 to zero.
"vucomisd %%xmm0, %%xmm2 \n\t" // set ZF if beta == 0.
"je .DBETAZERO \n\t" // if ZF = 1, jump to beta == 0 case
" \n\t"
" \n\t"
" \n\t" // check if aligned/column-stored
"andb %%bl, %%bh \n\t" // set ZF if bl & bh == 1.
"andb %%bh, %%al \n\t" // set ZF if bh & al == 1.
"jne .DCOLSTORED \n\t" // jump to column storage case
" \n\t"
" \n\t"
" \n\t"
".DGENSTORED: \n\t"
" \n\t" // update c00:c33
" \n\t"
"vextractf128 $1, %%ymm9, %%xmm1 \n\t"
"vmovlpd (%%rcx), %%xmm0, %%xmm0 \n\t" // load c00 and c10,
"vmovhpd (%%rcx,%%rsi), %%xmm0, %%xmm0 \n\t"
"vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta,
"vaddpd %%xmm9, %%xmm0, %%xmm0 \n\t" // add the gemm result,
"vmovlpd %%xmm0, (%%rcx) \n\t" // and store back to memory.
"vmovhpd %%xmm0, (%%rcx,%%rsi) \n\t"
"vmovlpd (%%rcx,%%r12), %%xmm0, %%xmm0 \n\t" // load c20 and c30,
"vmovhpd (%%rcx,%%r13), %%xmm0, %%xmm0 \n\t"
"vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta,
"vaddpd %%xmm1, %%xmm0, %%xmm0 \n\t" // add the gemm result,
"vmovlpd %%xmm0, (%%rcx,%%r12) \n\t" // and store back to memory.
"vmovhpd %%xmm0, (%%rcx,%%r13) \n\t"
"addq %%rdi, %%rcx \n\t" // c += cs_c;
" \n\t"
"vextractf128 $1, %%ymm11, %%xmm1 \n\t"
"vmovlpd (%%rcx), %%xmm0, %%xmm0 \n\t" // load c01 and c11,
"vmovhpd (%%rcx,%%rsi), %%xmm0, %%xmm0 \n\t"
"vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta,
"vaddpd %%xmm11, %%xmm0, %%xmm0 \n\t" // add the gemm result,
"vmovlpd %%xmm0, (%%rcx) \n\t" // and store back to memory.
"vmovhpd %%xmm0, (%%rcx,%%rsi) \n\t"
"vmovlpd (%%rcx,%%r12), %%xmm0, %%xmm0 \n\t" // load c21 and c31,
"vmovhpd (%%rcx,%%r13), %%xmm0, %%xmm0 \n\t"
"vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta,
"vaddpd %%xmm1, %%xmm0, %%xmm0 \n\t" // add the gemm result,
"vmovlpd %%xmm0, (%%rcx,%%r12) \n\t" // and store back to memory.
"vmovhpd %%xmm0, (%%rcx,%%r13) \n\t"
"addq %%rdi, %%rcx \n\t" // c += cs_c;
" \n\t"
"vextractf128 $1, %%ymm13, %%xmm1 \n\t"
"vmovlpd (%%rcx), %%xmm0, %%xmm0 \n\t" // load c02 and c12,
"vmovhpd (%%rcx,%%rsi), %%xmm0, %%xmm0 \n\t"
"vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta,
"vaddpd %%xmm13, %%xmm0, %%xmm0 \n\t" // add the gemm result,
"vmovlpd %%xmm0, (%%rcx) \n\t" // and store back to memory.
"vmovhpd %%xmm0, (%%rcx,%%rsi) \n\t"
"vmovlpd (%%rcx,%%r12), %%xmm0, %%xmm0 \n\t" // load c22 and c32,
"vmovhpd (%%rcx,%%r13), %%xmm0, %%xmm0 \n\t"
"vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta,
"vaddpd %%xmm1, %%xmm0, %%xmm0 \n\t" // add the gemm result,
"vmovlpd %%xmm0, (%%rcx,%%r12) \n\t" // and store back to memory.
"vmovhpd %%xmm0, (%%rcx,%%r13) \n\t"
"addq %%rdi, %%rcx \n\t" // c += cs_c;
" \n\t"
"vextractf128 $1, %%ymm15, %%xmm1 \n\t"
"vmovlpd (%%rcx), %%xmm0, %%xmm0 \n\t" // load c03 and c13,
"vmovhpd (%%rcx,%%rsi), %%xmm0, %%xmm0 \n\t"
"vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta,
"vaddpd %%xmm15, %%xmm0, %%xmm0 \n\t" // add the gemm result,
"vmovlpd %%xmm0, (%%rcx) \n\t" // and store back to memory.
"vmovhpd %%xmm0, (%%rcx,%%rsi) \n\t"
"vmovlpd (%%rcx,%%r12), %%xmm0, %%xmm0 \n\t" // load c23 and c33,
"vmovhpd (%%rcx,%%r13), %%xmm0, %%xmm0 \n\t"
"vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta,
"vaddpd %%xmm1, %%xmm0, %%xmm0 \n\t" // add the gemm result,
"vmovlpd %%xmm0, (%%rcx,%%r12) \n\t" // and store back to memory.
"vmovhpd %%xmm0, (%%rcx,%%r13) \n\t"
" \n\t"
" \n\t" // update c40:c73
" \n\t"
"vextractf128 $1, %%ymm8, %%xmm1 \n\t"
"vmovlpd (%%rdx), %%xmm0, %%xmm0 \n\t" // load c40 and c50,
"vmovhpd (%%rdx,%%rsi), %%xmm0, %%xmm0 \n\t"
"vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta,
"vaddpd %%xmm8, %%xmm0, %%xmm0 \n\t" // add the gemm result,
"vmovlpd %%xmm0, (%%rdx) \n\t" // and store back to memory.
"vmovhpd %%xmm0, (%%rdx,%%rsi) \n\t"
"vmovlpd (%%rdx,%%r12), %%xmm0, %%xmm0 \n\t" // load c60 and c70,
"vmovhpd (%%rdx,%%r13), %%xmm0, %%xmm0 \n\t"
"vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta,
"vaddpd %%xmm1, %%xmm0, %%xmm0 \n\t" // add the gemm result,
"vmovlpd %%xmm0, (%%rdx,%%r12) \n\t" // and store back to memory.
"vmovhpd %%xmm0, (%%rdx,%%r13) \n\t"
"addq %%rdi, %%rdx \n\t" // c += cs_c;
" \n\t"
"vextractf128 $1, %%ymm10, %%xmm1 \n\t"
"vmovlpd (%%rdx), %%xmm0, %%xmm0 \n\t" // load c41 and c51,
"vmovhpd (%%rdx,%%rsi), %%xmm0, %%xmm0 \n\t"
"vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta,
"vaddpd %%xmm10, %%xmm0, %%xmm0 \n\t" // add the gemm result,
"vmovlpd %%xmm0, (%%rdx) \n\t" // and store back to memory.
"vmovhpd %%xmm0, (%%rdx,%%rsi) \n\t"
"vmovlpd (%%rdx,%%r12), %%xmm0, %%xmm0 \n\t" // load c61 and c71,
"vmovhpd (%%rdx,%%r13), %%xmm0, %%xmm0 \n\t"
"vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta,
"vaddpd %%xmm1, %%xmm0, %%xmm0 \n\t" // add the gemm result,
"vmovlpd %%xmm0, (%%rdx,%%r12) \n\t" // and store back to memory.
"vmovhpd %%xmm0, (%%rdx,%%r13) \n\t"
"addq %%rdi, %%rdx \n\t" // c += cs_c;
" \n\t"
"vextractf128 $1, %%ymm12, %%xmm1 \n\t"
"vmovlpd (%%rdx), %%xmm0, %%xmm0 \n\t" // load c42 and c52,
"vmovhpd (%%rdx,%%rsi), %%xmm0, %%xmm0 \n\t"
"vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta,
"vaddpd %%xmm12, %%xmm0, %%xmm0 \n\t" // add the gemm result,
"vmovlpd %%xmm0, (%%rdx) \n\t" // and store back to memory.
"vmovhpd %%xmm0, (%%rdx,%%rsi) \n\t"
"vmovlpd (%%rdx,%%r12), %%xmm0, %%xmm0 \n\t" // load c62 and c72,
"vmovhpd (%%rdx,%%r13), %%xmm0, %%xmm0 \n\t"
"vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta,
"vaddpd %%xmm1, %%xmm0, %%xmm0 \n\t" // add the gemm result,
"vmovlpd %%xmm0, (%%rdx,%%r12) \n\t" // and store back to memory.
"vmovhpd %%xmm0, (%%rdx,%%r13) \n\t"
"addq %%rdi, %%rdx \n\t" // c += cs_c;
" \n\t"
"vextractf128 $1, %%ymm14, %%xmm1 \n\t"
"vmovlpd (%%rdx), %%xmm0, %%xmm0 \n\t" // load c43 and c53,
"vmovhpd (%%rdx,%%rsi), %%xmm0, %%xmm0 \n\t"
"vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta,
"vaddpd %%xmm14, %%xmm0, %%xmm0 \n\t" // add the gemm result,
"vmovlpd %%xmm0, (%%rdx) \n\t" // and store back to memory.
"vmovhpd %%xmm0, (%%rdx,%%rsi) \n\t"
"vmovlpd (%%rdx,%%r12), %%xmm0, %%xmm0 \n\t" // load c63 and c73,
"vmovhpd (%%rdx,%%r13), %%xmm0, %%xmm0 \n\t"
"vmulpd %%xmm2, %%xmm0, %%xmm0 \n\t" // scale by beta,
"vaddpd %%xmm1, %%xmm0, %%xmm0 \n\t" // add the gemm result,
"vmovlpd %%xmm0, (%%rdx,%%r12) \n\t" // and store back to memory.
"vmovhpd %%xmm0, (%%rdx,%%r13) \n\t"
" \n\t"
" \n\t"
"jmp .DDONE \n\t" // jump to end.
" \n\t"
" \n\t"
" \n\t"
".DCOLSTORED: \n\t"
" \n\t" // update c00:c33
" \n\t"
"vmovapd (%%rcx), %%ymm0 \n\t" // load c00:c30,
"vmulpd %%ymm2, %%ymm0, %%ymm0 \n\t" // scale by beta,
"vaddpd %%ymm9, %%ymm0, %%ymm0 \n\t" // add the gemm result,
"vmovapd %%ymm0, (%%rcx) \n\t" // and store back to memory.
"addq %%rdi, %%rcx \n\t" // c += cs_c;
" \n\t"
"vmovapd (%%rcx), %%ymm0 \n\t" // load c01:c31,
"vmulpd %%ymm2, %%ymm0, %%ymm0 \n\t" // scale by beta,
"vaddpd %%ymm11, %%ymm0, %%ymm0 \n\t" // add the gemm result,
"vmovapd %%ymm0, (%%rcx) \n\t" // and store back to memory.
"addq %%rdi, %%rcx \n\t" // c += cs_c;
" \n\t"
"vmovapd (%%rcx), %%ymm0 \n\t" // load c02:c32,
"vmulpd %%ymm2, %%ymm0, %%ymm0 \n\t" // scale by beta,
"vaddpd %%ymm13, %%ymm0, %%ymm0 \n\t" // add the gemm result,
"vmovapd %%ymm0, (%%rcx) \n\t" // and store back to memory.
"addq %%rdi, %%rcx \n\t" // c += cs_c;
" \n\t"
"vmovapd (%%rcx), %%ymm0 \n\t" // load c03:c33,
"vmulpd %%ymm2, %%ymm0, %%ymm0 \n\t" // scale by beta,
"vaddpd %%ymm15, %%ymm0, %%ymm0 \n\t" // add the gemm result,
"vmovapd %%ymm0, (%%rcx) \n\t" // and store back to memory.
" \n\t"
" \n\t" // update c40:c73
" \n\t"
"vmovapd (%%rdx), %%ymm0 \n\t" // load c40:c70,
"vmulpd %%ymm2, %%ymm0, %%ymm0 \n\t" // scale by beta,
"vaddpd %%ymm8, %%ymm0, %%ymm0 \n\t" // add the gemm result,
"vmovapd %%ymm0, (%%rdx) \n\t" // and store back to memory.
"addq %%rdi, %%rdx \n\t" // c += cs_c;
" \n\t"
"vmovapd (%%rdx), %%ymm0 \n\t" // load c41:c71,
"vmulpd %%ymm2, %%ymm0, %%ymm0 \n\t" // scale by beta,
"vaddpd %%ymm10, %%ymm0, %%ymm0 \n\t" // add the gemm result,
"vmovapd %%ymm0, (%%rdx) \n\t" // and store back to memory.
"addq %%rdi, %%rdx \n\t" // c += cs_c;
" \n\t"
"vmovapd (%%rdx), %%ymm0 \n\t" // load c42:c72,
"vmulpd %%ymm2, %%ymm0, %%ymm0 \n\t" // scale by beta,
"vaddpd %%ymm12, %%ymm0, %%ymm0 \n\t" // add the gemm result,
"vmovapd %%ymm0, (%%rdx) \n\t" // and store back to memory.
"addq %%rdi, %%rdx \n\t" // c += cs_c;
" \n\t"
"vmovapd (%%rdx), %%ymm0 \n\t" // load c43:c73,
"vmulpd %%ymm2, %%ymm0, %%ymm0 \n\t" // scale by beta,
"vaddpd %%ymm14, %%ymm0, %%ymm0 \n\t" // add the gemm result,
"vmovapd %%ymm0, (%%rdx) \n\t" // and store back to memory.
" \n\t"
" \n\t"
"jmp .DDONE \n\t" // jump to end.
" \n\t"
" \n\t"
" \n\t"
" \n\t"
".DBETAZERO: \n\t"
" \n\t" // check if aligned/column-stored
"andb %%bl, %%bh \n\t" // set ZF if bl & bh == 1.
"andb %%bh, %%al \n\t" // set ZF if bh & al == 1.
"jne .DCOLSTORBZ \n\t" // jump to column storage case
" \n\t"
" \n\t"
" \n\t"
".DGENSTORBZ: \n\t"
" \n\t" // update c00:c33
" \n\t"
"vextractf128 $1, %%ymm9, %%xmm1 \n\t"
"vmovlpd %%xmm9, (%%rcx) \n\t" // store to c00:c30
"vmovhpd %%xmm9, (%%rcx,%%rsi) \n\t"
"vmovlpd %%xmm1, (%%rcx,%%r12) \n\t"
"vmovhpd %%xmm1, (%%rcx,%%r13) \n\t"
"addq %%rdi, %%rcx \n\t" // c += cs_c;
" \n\t"
"vextractf128 $1, %%ymm11, %%xmm1 \n\t"
"vmovlpd %%xmm11, (%%rcx) \n\t" // store to c01:c31
"vmovhpd %%xmm11, (%%rcx,%%rsi) \n\t"
"vmovlpd %%xmm1, (%%rcx,%%r12) \n\t"
"vmovhpd %%xmm1, (%%rcx,%%r13) \n\t"
"addq %%rdi, %%rcx \n\t" // c += cs_c;
" \n\t"
"vextractf128 $1, %%ymm13, %%xmm1 \n\t"
"vmovlpd %%xmm13, (%%rcx) \n\t" // store to c02:c32
"vmovhpd %%xmm13, (%%rcx,%%rsi) \n\t"
"vmovlpd %%xmm1, (%%rcx,%%r12) \n\t"
"vmovhpd %%xmm1, (%%rcx,%%r13) \n\t"
"addq %%rdi, %%rcx \n\t" // c += cs_c;
" \n\t"
"vextractf128 $1, %%ymm15, %%xmm1 \n\t"
"vmovlpd %%xmm15, (%%rcx) \n\t" // store to c03:c33
"vmovhpd %%xmm15, (%%rcx,%%rsi) \n\t"
"vmovlpd %%xmm1, (%%rcx,%%r12) \n\t"
"vmovhpd %%xmm1, (%%rcx,%%r13) \n\t"
" \n\t"
" \n\t" // update c40:c73
" \n\t"
"vextractf128 $1, %%ymm8, %%xmm1 \n\t"
"vmovlpd %%xmm8, (%%rdx) \n\t" // store to c40:c70
"vmovhpd %%xmm8, (%%rdx,%%rsi) \n\t"
"vmovlpd %%xmm1, (%%rdx,%%r12) \n\t"
"vmovhpd %%xmm1, (%%rdx,%%r13) \n\t"
"addq %%rdi, %%rdx \n\t" // c += cs_c;
" \n\t"
"vextractf128 $1, %%ymm10, %%xmm1 \n\t"
"vmovlpd %%xmm10, (%%rdx) \n\t" // store to c41:c71
"vmovhpd %%xmm10, (%%rdx,%%rsi) \n\t"
"vmovlpd %%xmm1, (%%rdx,%%r12) \n\t"
"vmovhpd %%xmm1, (%%rdx,%%r13) \n\t"
"addq %%rdi, %%rdx \n\t" // c += cs_c;
" \n\t"
"vextractf128 $1, %%ymm12, %%xmm1 \n\t"
"vmovlpd %%xmm12, (%%rdx) \n\t" // store to c42:c72
"vmovhpd %%xmm12, (%%rdx,%%rsi) \n\t"
"vmovlpd %%xmm1, (%%rdx,%%r12) \n\t"
"vmovhpd %%xmm1, (%%rdx,%%r13) \n\t"
"addq %%rdi, %%rdx \n\t" // c += cs_c;
" \n\t"
"vextractf128 $1, %%ymm14, %%xmm1 \n\t"
"vmovlpd %%xmm14, (%%rdx) \n\t" // store to c43:c73
"vmovhpd %%xmm14, (%%rdx,%%rsi) \n\t"
"vmovlpd %%xmm1, (%%rdx,%%r12) \n\t"
"vmovhpd %%xmm1, (%%rdx,%%r13) \n\t"
" \n\t"
" \n\t"
"jmp .DDONE \n\t" // jump to end.
" \n\t"
" \n\t"
" \n\t"
".DCOLSTORBZ: \n\t"
" \n\t" // update c00:c33
" \n\t"
"vmovapd %%ymm9, (%%rcx) \n\t" // store c00:c30
"addq %%rdi, %%rcx \n\t" // c += cs_c;
" \n\t"
"vmovapd %%ymm11, (%%rcx) \n\t" // store c01:c31
"addq %%rdi, %%rcx \n\t" // c += cs_c;
" \n\t"
"vmovapd %%ymm13, (%%rcx) \n\t" // store c02:c32
"addq %%rdi, %%rcx \n\t" // c += cs_c;
" \n\t"
"vmovapd %%ymm15, (%%rcx) \n\t" // store c03:c33
" \n\t"
" \n\t" // update c40:c73
" \n\t"
"vmovapd %%ymm8, (%%rdx) \n\t" // store c40:c70
"addq %%rdi, %%rdx \n\t" // c += cs_c;
" \n\t"
"vmovapd %%ymm10, (%%rdx) \n\t" // store c41:c71
"addq %%rdi, %%rdx \n\t" // c += cs_c;
" \n\t"
"vmovapd %%ymm12, (%%rdx) \n\t" // store c42:c72
"addq %%rdi, %%rdx \n\t" // c += cs_c;
" \n\t"
"vmovapd %%ymm14, (%%rdx) \n\t" // store c43:c73
" \n\t"
" \n\t"
" \n\t"
" \n\t"
" \n\t"
".DDONE: \n\t"
" \n\t"
: // output operands (none)
: // input operands
"m" (k_iter), // 0
"m" (k_left), // 1
"m" (a), // 2
"m" (b), // 3
"m" (alpha), // 4
"m" (beta), // 5
"m" (c), // 6
"m" (rs_c), // 7
"m" (cs_c), // 8
"m" (b_next)/*, // 9
"m" (a_next)*/ // 10
: // register clobber list
"rax", "rbx", "rcx", "rdx", "rsi", "rdi",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
"xmm0", "xmm1", "xmm2", "xmm3",
"xmm4", "xmm5", "xmm6", "xmm7",
"xmm8", "xmm9", "xmm10", "xmm11",
"xmm12", "xmm13", "xmm14", "xmm15",
"memory"
);
}