/*

   BLIS
   An object-based framework for developing high-performance BLAS-like
   libraries.

   Copyright (C) 2014, The University of Texas at Austin
   Copyright (C) 2018 - 2019, Advanced Micro Devices, Inc.

   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 COPYRIGHT
   HOLDER 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.

*/

#include "blis.h"

#define BLIS_ASM_SYNTAX_ATT
#include "bli_x86_asm_macros.h"

#define SGEMM_OUTPUT_GS_BETA_NZ \
	vextractf128(imm(1), ymm0, xmm2) \
	vmovss(xmm0, mem(rcx)) \
	vpermilps(imm(0x39), xmm0, xmm1) \
	vmovss(xmm1, mem(rcx, rsi, 1)) \
	vpermilps(imm(0x39), xmm1, xmm0) \
	vmovss(xmm0, mem(rcx, rsi, 2)) \
	vpermilps(imm(0x39), xmm0, xmm1) \
	vmovss(xmm1, mem(rcx, r13, 1)) \
	vmovss(xmm2, mem(rcx, rsi, 4)) \
	vpermilps(imm(0x39), xmm2, xmm1) \
	vmovss(xmm1, mem(rcx, r15, 1)) \
	vpermilps(imm(0x39), xmm1, xmm2) \
	vmovss(xmm2, mem(rcx, r13, 2)) \
	vpermilps(imm(0x39), xmm2, xmm1) \
	vmovss(xmm1, mem(rcx, r10, 1))


void bli_sgemmtrsm_l_haswell_asm_6x16
     (
       dim_t               k0,
       float*     restrict alpha,
       float*     restrict a10,
       float*     restrict a11,
       float*     restrict b01,
       float*     restrict b11,
       float*     restrict c11, inc_t rs_c0, inc_t cs_c0,
       auxinfo_t* restrict data,
       cntx_t*    restrict cntx
     )
{
	//void*   a_next = bli_auxinfo_next_a( data );
	//void*   b_next = bli_auxinfo_next_b( data );

	// Typecast local copies of integers in case dim_t and inc_t are a
	// different size than is expected by load instructions.
	uint64_t k_iter = k0 / 4;
	uint64_t k_left = k0 % 4;
	uint64_t rs_c   = rs_c0;
	uint64_t cs_c   = cs_c0;

	float*   beta   = bli_sm1;

	begin_asm()
	
	vzeroall() // zero all xmm/ymm registers.
	
	
	mov(var(a10), rax) // load address of a.
	mov(var(b01), rbx) // load address of b.
	
	add(imm(32*4), rbx)
	 // initialize loop by pre-loading
	vmovaps(mem(rbx, -4*32), ymm0)
	vmovaps(mem(rbx, -3*32), ymm1)
	
	mov(var(b11), rcx) // load address of b11
	mov(imm(16), rdi) // set rs_b = PACKNR = 16
	lea(mem(, rdi, 4), rdi) // rs_b *= sizeof(float)
	
	 // NOTE: c11, rs_c, and cs_c aren't
	 // needed for a while, but we load
	 // them now to avoid stalling later.
	mov(var(c11), r8) // load address of c11
	mov(var(rs_c), r9) // load rs_c
	lea(mem(, r9 , 4), r9) // rs_c *= sizeof(float)
	mov(var(k_left)0, r10) // load cs_c
	lea(mem(, r10, 4), r10) // cs_c *= sizeof(float)
	
	
	
	mov(var(k_iter), rsi) // i = k_iter;
	test(rsi, rsi) // check i via logical AND.
	je(.SCONSIDKLEFT) // if i == 0, jump to code that
	 // contains the k_left loop.
	
	
	label(.SLOOPKITER) // MAIN LOOP
	
	
	 // iteration 0
	prefetch(0, mem(rax, 64*4))
	
	vbroadcastss(mem(rax, 0*4), ymm2)
	vbroadcastss(mem(rax, 1*4), ymm3)
	vfmadd231ps(ymm0, ymm2, ymm4)
	vfmadd231ps(ymm1, ymm2, ymm5)
	vfmadd231ps(ymm0, ymm3, ymm6)
	vfmadd231ps(ymm1, ymm3, ymm7)
	
	vbroadcastss(mem(rax, 2*4), ymm2)
	vbroadcastss(mem(rax, 3*4), ymm3)
	vfmadd231ps(ymm0, ymm2, ymm8)
	vfmadd231ps(ymm1, ymm2, ymm9)
	vfmadd231ps(ymm0, ymm3, ymm10)
	vfmadd231ps(ymm1, ymm3, ymm11)
	
	vbroadcastss(mem(rax, 4*4), ymm2)
	vbroadcastss(mem(rax, 5*4), ymm3)
	vfmadd231ps(ymm0, ymm2, ymm12)
	vfmadd231ps(ymm1, ymm2, ymm13)
	vfmadd231ps(ymm0, ymm3, ymm14)
	vfmadd231ps(ymm1, ymm3, ymm15)
	
	vmovaps(mem(rbx, -2*32), ymm0)
	vmovaps(mem(rbx, -1*32), ymm1)
	
	 // iteration 1
	vbroadcastss(mem(rax, 6*4), ymm2)
	vbroadcastss(mem(rax, 7*4), ymm3)
	vfmadd231ps(ymm0, ymm2, ymm4)
	vfmadd231ps(ymm1, ymm2, ymm5)
	vfmadd231ps(ymm0, ymm3, ymm6)
	vfmadd231ps(ymm1, ymm3, ymm7)
	
	vbroadcastss(mem(rax, 8*4), ymm2)
	vbroadcastss(mem(rax, 9*4), ymm3)
	vfmadd231ps(ymm0, ymm2, ymm8)
	vfmadd231ps(ymm1, ymm2, ymm9)
	vfmadd231ps(ymm0, ymm3, ymm10)
	vfmadd231ps(ymm1, ymm3, ymm11)
	
	vbroadcastss(mem(rax, 10*4), ymm2)
	vbroadcastss(mem(rax, 11*4), ymm3)
	vfmadd231ps(ymm0, ymm2, ymm12)
	vfmadd231ps(ymm1, ymm2, ymm13)
	vfmadd231ps(ymm0, ymm3, ymm14)
	vfmadd231ps(ymm1, ymm3, ymm15)
	
	vmovaps(mem(rbx, 0*32), ymm0)
	vmovaps(mem(rbx, 1*32), ymm1)
	
	 // iteration 2
	prefetch(0, mem(rax, 76*4))
	
	vbroadcastss(mem(rax, 12*4), ymm2)
	vbroadcastss(mem(rax, 13*4), ymm3)
	vfmadd231ps(ymm0, ymm2, ymm4)
	vfmadd231ps(ymm1, ymm2, ymm5)
	vfmadd231ps(ymm0, ymm3, ymm6)
	vfmadd231ps(ymm1, ymm3, ymm7)
	
	vbroadcastss(mem(rax, 14*4), ymm2)
	vbroadcastss(mem(rax, 15*4), ymm3)
	vfmadd231ps(ymm0, ymm2, ymm8)
	vfmadd231ps(ymm1, ymm2, ymm9)
	vfmadd231ps(ymm0, ymm3, ymm10)
	vfmadd231ps(ymm1, ymm3, ymm11)
	
	vbroadcastss(mem(rax, 16*4), ymm2)
	vbroadcastss(mem(rax, 17*4), ymm3)
	vfmadd231ps(ymm0, ymm2, ymm12)
	vfmadd231ps(ymm1, ymm2, ymm13)
	vfmadd231ps(ymm0, ymm3, ymm14)
	vfmadd231ps(ymm1, ymm3, ymm15)
	
	vmovaps(mem(rbx, 2*32), ymm0)
	vmovaps(mem(rbx, 3*32), ymm1)
	
	 // iteration 3
	vbroadcastss(mem(rax, 18*4), ymm2)
	vbroadcastss(mem(rax, 19*4), ymm3)
	vfmadd231ps(ymm0, ymm2, ymm4)
	vfmadd231ps(ymm1, ymm2, ymm5)
	vfmadd231ps(ymm0, ymm3, ymm6)
	vfmadd231ps(ymm1, ymm3, ymm7)
	
	vbroadcastss(mem(rax, 20*4), ymm2)
	vbroadcastss(mem(rax, 21*4), ymm3)
	vfmadd231ps(ymm0, ymm2, ymm8)
	vfmadd231ps(ymm1, ymm2, ymm9)
	vfmadd231ps(ymm0, ymm3, ymm10)
	vfmadd231ps(ymm1, ymm3, ymm11)
	
	vbroadcastss(mem(rax, 22*4), ymm2)
	vbroadcastss(mem(rax, 23*4), ymm3)
	vfmadd231ps(ymm0, ymm2, ymm12)
	vfmadd231ps(ymm1, ymm2, ymm13)
	vfmadd231ps(ymm0, ymm3, ymm14)
	vfmadd231ps(ymm1, ymm3, ymm15)
	
	add(imm(4*6*4), rax) // a += 4*6  (unroll x mr)
	add(imm(4*16*4), rbx) // b += 4*16 (unroll x nr)
	
	vmovaps(mem(rbx, -4*32), ymm0)
	vmovaps(mem(rbx, -3*32), ymm1)
	
	
	dec(rsi) // i -= 1;
	jne(.SLOOPKITER) // iterate again if i != 0.
	
	
	
	
	
	
	label(.SCONSIDKLEFT)
	
	mov(var(k_left), rsi) // i = k_left;
	test(rsi, rsi) // check i via logical AND.
	je(.SPOSTACCUM) // if i == 0, we're done; jump to end.
	 // else, we prepare to enter k_left loop.
	
	
	label(.SLOOPKLEFT) // EDGE LOOP
	
	prefetch(0, mem(rax, 64*4))
	
	vbroadcastss(mem(rax, 0*4), ymm2)
	vbroadcastss(mem(rax, 1*4), ymm3)
	vfmadd231ps(ymm0, ymm2, ymm4)
	vfmadd231ps(ymm1, ymm2, ymm5)
	vfmadd231ps(ymm0, ymm3, ymm6)
	vfmadd231ps(ymm1, ymm3, ymm7)
	
	vbroadcastss(mem(rax, 2*4), ymm2)
	vbroadcastss(mem(rax, 3*4), ymm3)
	vfmadd231ps(ymm0, ymm2, ymm8)
	vfmadd231ps(ymm1, ymm2, ymm9)
	vfmadd231ps(ymm0, ymm3, ymm10)
	vfmadd231ps(ymm1, ymm3, ymm11)
	
	vbroadcastss(mem(rax, 4*4), ymm2)
	vbroadcastss(mem(rax, 5*4), ymm3)
	vfmadd231ps(ymm0, ymm2, ymm12)
	vfmadd231ps(ymm1, ymm2, ymm13)
	vfmadd231ps(ymm0, ymm3, ymm14)
	vfmadd231ps(ymm1, ymm3, ymm15)
	
	add(imm(1*6*4), rax) // a += 1*6  (unroll x mr)
	add(imm(1*16*4), rbx) // b += 1*16 (unroll x nr)
	
	vmovaps(mem(rbx, -4*32), ymm0)
	vmovaps(mem(rbx, -3*32), ymm1)
	
	
	dec(rsi) // i -= 1;
	jne(.SLOOPKLEFT) // iterate again if i != 0.
	
	
	
	label(.SPOSTACCUM)
	
	 // ymm4..ymm15 = -a10 * b01
	
	
	
	mov(var(alpha), rbx) // load address of alpha
	vbroadcastss(mem(rbx), ymm3) // load alpha and duplicate
	
	
	
	
	mov(imm(1), rsi) // load cs_b = 1
	lea(mem(, rsi, 4), rsi) // cs_b *= sizeof(float)
	
	lea(mem(rcx, rsi, 8), rdx) // load address of b11 + 8*cs_b
	
	mov(rcx, r11) // save rcx = b11        for later
	mov(rdx, r14) // save rdx = b11+8*cs_b for later
	
	
	 // b11 := alpha * b11 - a10 * b01
	vfmsub231ps(mem(rcx), ymm3, ymm4)
	add(rdi, rcx)
	vfmsub231ps(mem(rdx), ymm3, ymm5)
	add(rdi, rdx)
	
	vfmsub231ps(mem(rcx), ymm3, ymm6)
	add(rdi, rcx)
	vfmsub231ps(mem(rdx), ymm3, ymm7)
	add(rdi, rdx)
	
	vfmsub231ps(mem(rcx), ymm3, ymm8)
	add(rdi, rcx)
	vfmsub231ps(mem(rdx), ymm3, ymm9)
	add(rdi, rdx)
	
	vfmsub231ps(mem(rcx), ymm3, ymm10)
	add(rdi, rcx)
	vfmsub231ps(mem(rdx), ymm3, ymm11)
	add(rdi, rdx)
	
	vfmsub231ps(mem(rcx), ymm3, ymm12)
	add(rdi, rcx)
	vfmsub231ps(mem(rdx), ymm3, ymm13)
	add(rdi, rdx)
	
	vfmsub231ps(mem(rcx), ymm3, ymm14)
	//add(rdi, rcx)
	vfmsub231ps(mem(rdx), ymm3, ymm15)
	//add(rdi, rdx)
	
	
	
	 // prefetch c11
	
#if 0
	mov(r8, rcx) // load address of c11 from r8
	 // Note: r9 = rs_c * sizeof(float)
	
	lea(mem(r9 , r9 , 2), r13) // r13 = 3*rs_c;
	lea(mem(rcx, r13, 1), rdx) // rdx = c11 + 3*rs_c;
	
	prefetch(0, mem(rcx, 0*8)) // prefetch c11 + 0*rs_c
	prefetch(0, mem(rcx, r9, 1, 0*8)) // prefetch c11 + 1*rs_c
	prefetch(0, mem(rcx, r9 , 2, 0*8)) // prefetch c11 + 2*rs_c
	prefetch(0, mem(rdx, 0*8)) // prefetch c11 + 3*rs_c
	prefetch(0, mem(rdx, r9, 1, 0*8)) // prefetch c11 + 4*rs_c
	prefetch(0, mem(rdx, r9 , 2, 0*8)) // prefetch c11 + 5*rs_c
#endif
	
	
	
	
	 // trsm computation begins here
	
	 // Note: contents of b11 are stored as
	 // ymm4  ymm5  = ( beta00..07 ) ( beta08..0F )
	 // ymm6  ymm7  = ( beta10..17 ) ( beta18..1F )
	 // ymm8  ymm9  = ( beta20..27 ) ( beta28..2F )
	 // ymm10 ymm11 = ( beta30..37 ) ( beta38..3F )
	 // ymm12 ymm13 = ( beta40..47 ) ( beta48..4F )
	 // ymm14 ymm15 = ( beta50..57 ) ( beta58..5F )
	
	
	mov(var(a11), rax) // load address of a11
	
	mov(r11, rcx) // recall address of b11
	mov(r14, rdx) // recall address of b11+8*cs_b
	 // Note: rdi = rs_b
	
	 // iteration 0 -------------
	
	vbroadcastss(mem(0+0*6)*4(rax), ymm0) // ymm0 = (1/alpha00)
	
#ifdef BLIS_ENABLE_TRSM_PREINVERSION
	vmulps(ymm0, ymm4, ymm4) // ymm4 *= (1/alpha00)
	vmulps(ymm0, ymm5, ymm5) // ymm5 *= (1/alpha00)
#else
	vdivps(ymm0, ymm4, ymm4) // ymm4 /= alpha00
	vdivps(ymm0, ymm5, ymm5) // ymm5 /= alpha00
#endif
	
	vmovups(ymm4, mem(rcx)) // store ( beta00..beta07 ) = ymm4
	vmovups(ymm5, mem(rdx)) // store ( beta08..beta0F ) = ymm5
	add(rdi, rcx) // rcx += rs_b
	add(rdi, rdx) // rdx += rs_b
	
	 // iteration 1 -------------
	
	vbroadcastss(mem(1+0*6)*4(rax), ymm0) // ymm0 = alpha10
	vbroadcastss(mem(1+1*6)*4(rax), ymm1) // ymm1 = (1/alpha11)
	
	vmulps(ymm0, ymm4, ymm2) // ymm2 = alpha10 * ymm4
	vmulps(ymm0, ymm5, ymm3) // ymm3 = alpha10 * ymm5
	
	vsubps(ymm2, ymm6, ymm6) // ymm6 -= ymm2
	vsubps(ymm3, ymm7, ymm7) // ymm7 -= ymm3
	
#ifdef BLIS_ENABLE_TRSM_PREINVERSION
	vmulps(ymm1, ymm6, ymm6) // ymm6 *= (1/alpha11)
	vmulps(ymm1, ymm7, ymm7) // ymm7 *= (1/alpha11)
#else
	vdivps(ymm1, ymm6, ymm6) // ymm6 /= alpha11
	vdivps(ymm1, ymm7, ymm7) // ymm7 /= alpha11
#endif
	
	vmovups(ymm6, mem(rcx)) // store ( beta10..beta17 ) = ymm6
	vmovups(ymm7, mem(rdx)) // store ( beta18..beta1F ) = ymm7
	add(rdi, rcx) // rcx += rs_b
	add(rdi, rdx) // rdx += rs_b
	
	 // iteration 2 -------------
	
	vbroadcastss(mem(2+0*6)*4(rax), ymm0) // ymm0 = alpha20
	vbroadcastss(mem(2+1*6)*4(rax), ymm1) // ymm1 = alpha21
	
	vmulps(ymm0, ymm4, ymm2) // ymm2 = alpha20 * ymm4
	vmulps(ymm0, ymm5, ymm3) // ymm3 = alpha20 * ymm5
	
	vbroadcastss(mem(2+2*6)*4(rax), ymm0) // ymm0 = (1/alpha22)
	
	vfmadd231ps(ymm1, ymm6, ymm2) // ymm2 += alpha21 * ymm6
	vfmadd231ps(ymm1, ymm7, ymm3) // ymm3 += alpha21 * ymm7
	
	vsubps(ymm2, ymm8, ymm8) // ymm8 -= ymm2
	vsubps(ymm3, ymm9, ymm9) // ymm9 -= ymm3
	
#ifdef BLIS_ENABLE_TRSM_PREINVERSION
	vmulps(ymm0, ymm8, ymm8) // ymm8 *= (1/alpha22)
	vmulps(ymm0, ymm9, ymm9) // ymm9 *= (1/alpha22)
#else
	vdivps(ymm0, ymm8, ymm8) // ymm8 /= alpha22
	vdivps(ymm0, ymm9, ymm9) // ymm9 /= alpha22
#endif
	
	vmovups(ymm8, mem(rcx)) // store ( beta20..beta27 ) = ymm8
	vmovups(ymm9, mem(rdx)) // store ( beta28..beta2F ) = ymm9
	add(rdi, rcx) // rcx += rs_b
	add(rdi, rdx) // rdx += rs_b
	
	 // iteration 3 -------------
	
	vbroadcastss(mem(3+0*6)*4(rax), ymm0) // ymm0 = alpha30
	vbroadcastss(mem(3+1*6)*4(rax), ymm1) // ymm1 = alpha31
	
	vmulps(ymm0, ymm4, ymm2) // ymm2 = alpha30 * ymm4
	vmulps(ymm0, ymm5, ymm3) // ymm3 = alpha30 * ymm5
	
	vbroadcastss(mem(3+2*6)*4(rax), ymm0) // ymm0 = alpha32
	
	vfmadd231ps(ymm1, ymm6, ymm2) // ymm2 += alpha31 * ymm6
	vfmadd231ps(ymm1, ymm7, ymm3) // ymm3 += alpha31 * ymm7
	
	vbroadcastss(mem(3+3*6)*4(rax), ymm1) // ymm0 = (1/alpha33)
	
	vfmadd231ps(ymm0, ymm8, ymm2) // ymm2 += alpha32 * ymm8
	vfmadd231ps(ymm0, ymm9, ymm3) // ymm3 += alpha32 * ymm9
	
	vsubps(ymm2, ymm10, ymm10) // ymm10 -= ymm2
	vsubps(ymm3, ymm11, ymm11) // ymm11 -= ymm3
	
#ifdef BLIS_ENABLE_TRSM_PREINVERSION
	vmulps(ymm1, ymm10, ymm10) // ymm10 *= (1/alpha33)
	vmulps(ymm1, ymm11, ymm11) // ymm11 *= (1/alpha33)
#else
	vdivps(ymm1, ymm10, ymm10) // ymm10 /= alpha33
	vdivps(ymm1, ymm11, ymm11) // ymm11 /= alpha33
#endif
	
	vmovups(ymm10, mem(rcx)) // store ( beta30..beta37 ) = ymm10
	vmovups(ymm11, mem(rdx)) // store ( beta38..beta3F ) = ymm11
	add(rdi, rcx) // rcx += rs_b
	add(rdi, rdx) // rdx += rs_b
	
	 // iteration 4 -------------
	
	vbroadcastss(mem(4+0*6)*4(rax), ymm0) // ymm0 = alpha40
	vbroadcastss(mem(4+1*6)*4(rax), ymm1) // ymm1 = alpha41
	
	vmulps(ymm0, ymm4, ymm2) // ymm2 = alpha40 * ymm4
	vmulps(ymm0, ymm5, ymm3) // ymm3 = alpha40 * ymm5
	
	vbroadcastss(mem(4+2*6)*4(rax), ymm0) // ymm0 = alpha42
	
	vfmadd231ps(ymm1, ymm6, ymm2) // ymm2 += alpha41 * ymm6
	vfmadd231ps(ymm1, ymm7, ymm3) // ymm3 += alpha41 * ymm7
	
	vbroadcastss(mem(4+3*6)*4(rax), ymm1) // ymm1 = alpha43
	
	vfmadd231ps(ymm0, ymm8, ymm2) // ymm2 += alpha42 * ymm8
	vfmadd231ps(ymm0, ymm9, ymm3) // ymm3 += alpha42 * ymm9
	
	vbroadcastss(mem(4+4*6)*4(rax), ymm0) // ymm0 = (1/alpha44)
	
	vfmadd231ps(ymm1, ymm10, ymm2) // ymm2 += alpha43 * ymm10
	vfmadd231ps(ymm1, ymm11, ymm3) // ymm3 += alpha43 * ymm11
	
	vsubps(ymm2, ymm12, ymm12) // ymm12 -= ymm2
	vsubps(ymm3, ymm13, ymm13) // ymm13 -= ymm3
	
#ifdef BLIS_ENABLE_TRSM_PREINVERSION
	vmulps(ymm0, ymm12, ymm12) // ymm12 *= (1/alpha44)
	vmulps(ymm0, ymm13, ymm13) // ymm13 *= (1/alpha44)
#else
	vdivps(ymm0, ymm12, ymm12) // ymm12 /= alpha44
	vdivps(ymm0, ymm13, ymm13) // ymm13 /= alpha44
#endif
	
	vmovups(ymm12, mem(rcx)) // store ( beta40..beta47 ) = ymm12
	vmovups(ymm13, mem(rdx)) // store ( beta48..beta4F ) = ymm13
	add(rdi, rcx) // rcx += rs_b
	add(rdi, rdx) // rdx += rs_b
	
	 // iteration 5 -------------
	
	vbroadcastss(mem(5+0*6)*4(rax), ymm0) // ymm0 = alpha50
	vbroadcastss(mem(5+1*6)*4(rax), ymm1) // ymm1 = alpha51
	
	vmulps(ymm0, ymm4, ymm2) // ymm2 = alpha50 * ymm4
	vmulps(ymm0, ymm5, ymm3) // ymm3 = alpha50 * ymm5
	
	vbroadcastss(mem(5+2*6)*4(rax), ymm0) // ymm0 = alpha52
	
	vfmadd231ps(ymm1, ymm6, ymm2) // ymm2 += alpha51 * ymm6
	vfmadd231ps(ymm1, ymm7, ymm3) // ymm3 += alpha51 * ymm7
	
	vbroadcastss(mem(5+3*6)*4(rax), ymm1) // ymm1 = alpha53
	
	vfmadd231ps(ymm0, ymm8, ymm2) // ymm2 += alpha52 * ymm8
	vfmadd231ps(ymm0, ymm9, ymm3) // ymm3 += alpha52 * ymm9
	
	vbroadcastss(mem(5+4*6)*4(rax), ymm0) // ymm0 = alpha54
	
	vfmadd231ps(ymm1, ymm10, ymm2) // ymm2 += alpha53 * ymm10
	vfmadd231ps(ymm1, ymm11, ymm3) // ymm3 += alpha53 * ymm11
	
	vbroadcastss(mem(5+5*6)*4(rax), ymm1) // ymm1 = (1/alpha55)
	
	vfmadd231ps(ymm0, ymm12, ymm2) // ymm2 += alpha54 * ymm12
	vfmadd231ps(ymm0, ymm13, ymm3) // ymm3 += alpha54 * ymm13
	
	vsubps(ymm2, ymm14, ymm14) // ymm14 -= ymm2
	vsubps(ymm3, ymm15, ymm15) // ymm15 -= ymm3
	
#ifdef BLIS_ENABLE_TRSM_PREINVERSION
	vmulps(ymm1, ymm14, ymm14) // ymm14 *= (1/alpha55)
	vmulps(ymm1, ymm15, ymm15) // ymm15 *= (1/alpha55)
#else
	vdivps(ymm1, ymm14, ymm14) // ymm14 /= alpha55
	vdivps(ymm1, ymm15, ymm15) // ymm15 /= alpha55
#endif
	
	vmovups(ymm14, mem(rcx)) // store ( beta50..beta57 ) = ymm14
	vmovups(ymm15, mem(rdx)) // store ( beta58..beta5F ) = ymm15
	add(rdi, rcx) // rcx += rs_b
	add(rdi, rdx) // rdx += rs_b
	
	
	
	
	
	mov(r8, rcx) // load address of c11 from r8
	mov(r9, rdi) // load rs_c (in bytes) from r9
	mov(r10, rsi) // load cs_c (in bytes) from r10
	
	lea(mem(rcx, rsi, 8), rdx) // load address of c11 + 8*cs_c;
	lea(mem(rcx, rdi, 4), r14) // load address of c11 + 4*rs_c;
	
	 // These are used in the macros below.
	lea(mem(rsi, rsi, 2), r13) // r13 = 3*cs_c;
	lea(mem(rsi, rsi, 4), r15) // r15 = 5*cs_c;
	lea(mem(r13, rsi, 4), r10) // r10 = 7*cs_c;
	
	
	
	cmp(imm(4), rsi) // set ZF if (4*cs_c) == 4.
	jz(.SROWSTORED) // jump to row storage case
	
	
	
	cmp(imm(4), rdi) // set ZF if (4*rs_c) == 4.
	jz(.SCOLSTORED) // jump to column storage case
	
	
	
	 // if neither row- or column-
	 // stored, use general case.
	label(.SGENSTORED)
	
	
	vmovaps(ymm4, ymm0)
	SGEMM_OUTPUT_GS_BETA_NZ
	add(rdi, rcx) // c11 += rs_c;
	
	
	vmovaps(ymm6, ymm0)
	SGEMM_OUTPUT_GS_BETA_NZ
	add(rdi, rcx) // c11 += rs_c;
	
	
	vmovaps(ymm8, ymm0)
	SGEMM_OUTPUT_GS_BETA_NZ
	add(rdi, rcx) // c11 += rs_c;
	
	
	vmovaps(ymm10, ymm0)
	SGEMM_OUTPUT_GS_BETA_NZ
	add(rdi, rcx) // c11 += rs_c;
	
	
	vmovaps(ymm12, ymm0)
	SGEMM_OUTPUT_GS_BETA_NZ
	add(rdi, rcx) // c11 += rs_c;
	
	
	vmovaps(ymm14, ymm0)
	SGEMM_OUTPUT_GS_BETA_NZ
	
	
	mov(rdx, rcx) // rcx = c11 + 8*cs_c
	
	
	vmovaps(ymm5, ymm0)
	SGEMM_OUTPUT_GS_BETA_NZ
	add(rdi, rcx) // c11 += rs_c;
	
	
	vmovaps(ymm7, ymm0)
	SGEMM_OUTPUT_GS_BETA_NZ
	add(rdi, rcx) // c11 += rs_c;
	
	
	vmovaps(ymm9, ymm0)
	SGEMM_OUTPUT_GS_BETA_NZ
	add(rdi, rcx) // c11 += rs_c;
	
	
	vmovaps(ymm11, ymm0)
	SGEMM_OUTPUT_GS_BETA_NZ
	add(rdi, rcx) // c11 += rs_c;
	
	
	vmovaps(ymm13, ymm0)
	SGEMM_OUTPUT_GS_BETA_NZ
	add(rdi, rcx) // c11 += rs_c;
	
	
	vmovaps(ymm15, ymm0)
	SGEMM_OUTPUT_GS_BETA_NZ
	
	
	
	jmp(.SDONE)
	
	
	
	label(.SROWSTORED)
	
	
	vmovups(ymm4, mem(rcx))
	add(rdi, rcx)
	vmovups(ymm5, mem(rdx))
	add(rdi, rdx)
	
	vmovups(ymm6, mem(rcx))
	add(rdi, rcx)
	vmovups(ymm7, mem(rdx))
	add(rdi, rdx)
	
	vmovups(ymm8, mem(rcx))
	add(rdi, rcx)
	vmovups(ymm9, mem(rdx))
	add(rdi, rdx)
	
	vmovups(ymm10, mem(rcx))
	add(rdi, rcx)
	vmovups(ymm11, mem(rdx))
	add(rdi, rdx)
	
	vmovups(ymm12, mem(rcx))
	add(rdi, rcx)
	vmovups(ymm13, mem(rdx))
	add(rdi, rdx)
	
	vmovups(ymm14, mem(rcx))
	//add(rdi, rcx)
	vmovups(ymm15, mem(rdx))
	//add(rdi, rdx)
	
	
	jmp(.SDONE)
	
	
	
	label(.SCOLSTORED)
	
	
	vunpcklps(ymm6, ymm4, ymm0)
	vunpcklps(ymm10, ymm8, ymm1)
	vshufps(imm(0x4e), ymm1, ymm0, ymm2)
	vblendps(imm(0xcc), ymm2, ymm0, ymm0)
	vblendps(imm(0x33), ymm2, ymm1, ymm1)
	
	vextractf128(imm(0x1), ymm0, xmm2)
	vextractf128(imm(0x1), ymm1, xmm3)
	
	vmovups(xmm0, mem(rcx)) // store ( gamma00..gamma30 )
	vmovups(xmm1, mem(rcx, rsi, 1)) // store ( gamma01..gamma31 )
	vmovups(xmm2, mem(rcx, rsi, 4)) // store ( gamma04..gamma34 )
	vmovups(xmm3, mem(rcx, r15, 1)) // store ( gamma05..gamma35 )
	
	
	vunpckhps(ymm6, ymm4, ymm0)
	vunpckhps(ymm10, ymm8, ymm1)
	vshufps(imm(0x4e), ymm1, ymm0, ymm2)
	vblendps(imm(0xcc), ymm2, ymm0, ymm0)
	vblendps(imm(0x33), ymm2, ymm1, ymm1)
	
	vextractf128(imm(0x1), ymm0, xmm2)
	vextractf128(imm(0x1), ymm1, xmm3)
	
	vmovups(xmm0, mem(rcx, rsi, 2)) // store ( gamma02..gamma32 )
	vmovups(xmm1, mem(rcx, r13, 1)) // store ( gamma03..gamma33 )
	vmovups(xmm2, mem(rcx, r13, 2)) // store ( gamma06..gamma36 )
	vmovups(xmm3, mem(rcx, r10, 1)) // store ( gamma07..gamma37 )
	
	lea(mem(rcx, rsi, 8), rcx) // rcx += 8*cs_c
	
	vunpcklps(ymm14, ymm12, ymm0)
	vunpckhps(ymm14, ymm12, ymm1)
	
	vextractf128(imm(0x1), ymm0, xmm2)
	vextractf128(imm(0x1), ymm1, xmm3)
	
	vmovlpd(xmm0, mem(r14)) // store ( gamma40..gamma50 )
	vmovhpd(xmm0, mem(r14, rsi, 1)) // store ( gamma41..gamma51 )
	vmovlpd(xmm1, mem(r14, rsi, 2)) // store ( gamma42..gamma52 )
	vmovhpd(xmm1, mem(r14, r13, 1)) // store ( gamma43..gamma53 )
	vmovlpd(xmm2, mem(r14, rsi, 4)) // store ( gamma44..gamma54 )
	vmovhpd(xmm2, mem(r14, r15, 1)) // store ( gamma45..gamma55 )
	vmovlpd(xmm3, mem(r14, r13, 2)) // store ( gamma46..gamma56 )
	vmovhpd(xmm3, mem(r14, r10, 1)) // store ( gamma47..gamma57 )
	
	lea(mem(r14, rsi, 8), r14) // r14 += 8*cs_c
	
	
	vunpcklps(ymm7, ymm5, ymm0)
	vunpcklps(ymm11, ymm9, ymm1)
	vshufps(imm(0x4e), ymm1, ymm0, ymm2)
	vblendps(imm(0xcc), ymm2, ymm0, ymm0)
	vblendps(imm(0x33), ymm2, ymm1, ymm1)
	
	vextractf128(imm(0x1), ymm0, xmm2)
	vextractf128(imm(0x1), ymm1, xmm3)
	
	vmovups(xmm0, mem(rcx)) // store ( gamma08..gamma38 )
	vmovups(xmm1, mem(rcx, rsi, 1)) // store ( gamma09..gamma39 )
	vmovups(xmm2, mem(rcx, rsi, 4)) // store ( gamma0C..gamma3C )
	vmovups(xmm3, mem(rcx, r15, 1)) // store ( gamma0D..gamma3D )
	
	vunpckhps(ymm7, ymm5, ymm0)
	vunpckhps(ymm11, ymm9, ymm1)
	vshufps(imm(0x4e), ymm1, ymm0, ymm2)
	vblendps(imm(0xcc), ymm2, ymm0, ymm0)
	vblendps(imm(0x33), ymm2, ymm1, ymm1)
	
	vextractf128(imm(0x1), ymm0, xmm2)
	vextractf128(imm(0x1), ymm1, xmm3)
	
	vmovups(xmm0, mem(rcx, rsi, 2)) // store ( gamma0A..gamma3A )
	vmovups(xmm1, mem(rcx, r13, 1)) // store ( gamma0B..gamma3B )
	vmovups(xmm2, mem(rcx, r13, 2)) // store ( gamma0E..gamma3E )
	vmovups(xmm3, mem(rcx, r10, 1)) // store ( gamma0F..gamma3F )
	
	//lea(mem(rcx, rsi, 8), rcx) // rcx += 8*cs_c
	
	vunpcklps(ymm15, ymm13, ymm0)
	vunpckhps(ymm15, ymm13, ymm1)
	
	vextractf128(imm(0x1), ymm0, xmm2)
	vextractf128(imm(0x1), ymm1, xmm3)
	
	vmovlpd(xmm0, mem(r14)) // store ( gamma48..gamma58 )
	vmovhpd(xmm0, mem(r14, rsi, 1)) // store ( gamma49..gamma59 )
	vmovlpd(xmm1, mem(r14, rsi, 2)) // store ( gamma4A..gamma5A )
	vmovhpd(xmm1, mem(r14, r13, 1)) // store ( gamma4B..gamma5B )
	vmovlpd(xmm2, mem(r14, rsi, 4)) // store ( gamma4C..gamma5C )
	vmovhpd(xmm2, mem(r14, r15, 1)) // store ( gamma4D..gamma5D )
	vmovlpd(xmm3, mem(r14, r13, 2)) // store ( gamma4E..gamma5E )
	vmovhpd(xmm3, mem(r14, r10, 1)) // store ( gamma4F..gamma5F )
	
	//lea(mem(r14, rsi, 8), r14) // r14 += 8*cs_c
	
	
	
	
	label(.SDONE)
	
	vzeroupper()
	

	end_asm(
	: // output operands (none)
	: // input operands
      [k_iter] "m" (k_iter), // 0
      [k_left] "m" (k_left), // 1
      [a10]    "m" (a10),    // 2
      [b01]    "m" (b01),    // 3
      [beta]   "m" (beta),   // 4
      [alpha]  "m" (alpha),  // 5
      [a11]    "m" (a11),    // 6
      [b11]    "m" (b11),    // 7
      [c11]    "m" (c11),    // 8
      [rs_c]   "m" (rs_c),   // 9
      [cs_c]   "m" (cs_c)    // 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"
	)
}



#define DGEMM_OUTPUT_GS_BETA_NZ \
	vextractf128(imm(1), ymm0, xmm1) \
	vmovlpd(xmm0, mem(rcx)) \
	vmovhpd(xmm0, mem(rcx, rsi, 1)) \
	vmovlpd(xmm1, mem(rcx, rsi, 2)) \
	vmovhpd(xmm1, mem(rcx, r13, 1)) /*\
	vextractf128(imm(1), ymm2, xmm1) \
	vmovlpd(xmm2, mem(rcx, rsi, 4)) \
	vmovhpd(xmm2, mem(rcx, r15, 1)) \
	vmovlpd(xmm1, mem(rcx, r13, 2)) \
	vmovhpd(xmm1, mem(rcx, r10, 1))*/

void bli_dgemmtrsm_l_haswell_asm_6x8
(
    dim_t               k0,
    double*    restrict alpha,
    double*    restrict a10,
    double*    restrict a11,
    double*    restrict b01,
    double*    restrict b11,
    double*    restrict c11, inc_t rs_c0, inc_t cs_c0,
    auxinfo_t* restrict data,
    cntx_t*    restrict cntx
)
{
	//void*   a_next = bli_auxinfo_next_a( data );
	//void*   b_next = bli_auxinfo_next_b( data );

	// Typecast local copies of integers in case dim_t and inc_t are a
	// different size than is expected by load instructions.
	uint64_t k_iter = k0 / 4;
	uint64_t k_left = k0 % 4;
	uint64_t rs_c   = rs_c0;
	uint64_t cs_c   = cs_c0;

	double*  beta   = bli_dm1;

	begin_asm()
	
	vzeroall() // zero all xmm/ymm registers.
	
	
	mov(var(a10), rax) // load address of a.
	mov(var(b01), rbx) // load address of b.
	
	add(imm(32*4), rbx)
	 // initialize loop by pre-loading
	vmovapd(mem(rbx, -4*32), ymm0)
	vmovapd(mem(rbx, -3*32), ymm1)
	
	mov(var(b11), rcx) // load address of b11
	mov(imm(8), rdi) // set rs_b = PACKNR = 8
	lea(mem(, rdi, 8), rdi) // rs_b *= sizeof(double)
	
	 // NOTE: c11, rs_c, and cs_c aren't
	 // needed for a while, but we load
	 // them now to avoid stalling later.
	mov(var(c11), r8) // load address of c11
	mov(var(rs_c), r9) // load rs_c
	lea(mem(, r9 , 8), r9) // rs_c *= sizeof(double)
	mov(var(k_left)0, r10) // load cs_c
	lea(mem(, r10, 8), r10) // cs_c *= sizeof(double)
	
	
	
	mov(var(k_iter), rsi) // i = k_iter;
	test(rsi, rsi) // check i via logical AND.
	je(.DCONSIDKLEFT) // if i == 0, jump to code that
	 // contains the k_left loop.
	
	
	label(.DLOOPKITER) // MAIN LOOP
	
	
	 // iteration 0
	prefetch(0, mem(rax, 64*8))
	
	vbroadcastsd(mem(rax, 0*8), ymm2)
	vbroadcastsd(mem(rax, 1*8), ymm3)
	vfmadd231pd(ymm0, ymm2, ymm4)
	vfmadd231pd(ymm1, ymm2, ymm5)
	vfmadd231pd(ymm0, ymm3, ymm6)
	vfmadd231pd(ymm1, ymm3, ymm7)
	
	vbroadcastsd(mem(rax, 2*8), ymm2)
	vbroadcastsd(mem(rax, 3*8), ymm3)
	vfmadd231pd(ymm0, ymm2, ymm8)
	vfmadd231pd(ymm1, ymm2, ymm9)
	vfmadd231pd(ymm0, ymm3, ymm10)
	vfmadd231pd(ymm1, ymm3, ymm11)
	
	vbroadcastsd(mem(rax, 4*8), ymm2)
	vbroadcastsd(mem(rax, 5*8), ymm3)
	vfmadd231pd(ymm0, ymm2, ymm12)
	vfmadd231pd(ymm1, ymm2, ymm13)
	vfmadd231pd(ymm0, ymm3, ymm14)
	vfmadd231pd(ymm1, ymm3, ymm15)
	
	vmovapd(mem(rbx, -2*32), ymm0)
	vmovapd(mem(rbx, -1*32), ymm1)
	
	 // iteration 1
	vbroadcastsd(mem(rax, 6*8), ymm2)
	vbroadcastsd(mem(rax, 7*8), ymm3)
	vfmadd231pd(ymm0, ymm2, ymm4)
	vfmadd231pd(ymm1, ymm2, ymm5)
	vfmadd231pd(ymm0, ymm3, ymm6)
	vfmadd231pd(ymm1, ymm3, ymm7)
	
	vbroadcastsd(mem(rax, 8*8), ymm2)
	vbroadcastsd(mem(rax, 9*8), ymm3)
	vfmadd231pd(ymm0, ymm2, ymm8)
	vfmadd231pd(ymm1, ymm2, ymm9)
	vfmadd231pd(ymm0, ymm3, ymm10)
	vfmadd231pd(ymm1, ymm3, ymm11)
	
	vbroadcastsd(mem(rax, 10*8), ymm2)
	vbroadcastsd(mem(rax, 11*8), ymm3)
	vfmadd231pd(ymm0, ymm2, ymm12)
	vfmadd231pd(ymm1, ymm2, ymm13)
	vfmadd231pd(ymm0, ymm3, ymm14)
	vfmadd231pd(ymm1, ymm3, ymm15)
	
	vmovapd(mem(rbx, 0*32), ymm0)
	vmovapd(mem(rbx, 1*32), ymm1)
	
	 // iteration 2
	prefetch(0, mem(rax, 76*8))
	
	vbroadcastsd(mem(rax, 12*8), ymm2)
	vbroadcastsd(mem(rax, 13*8), ymm3)
	vfmadd231pd(ymm0, ymm2, ymm4)
	vfmadd231pd(ymm1, ymm2, ymm5)
	vfmadd231pd(ymm0, ymm3, ymm6)
	vfmadd231pd(ymm1, ymm3, ymm7)
	
	vbroadcastsd(mem(rax, 14*8), ymm2)
	vbroadcastsd(mem(rax, 15*8), ymm3)
	vfmadd231pd(ymm0, ymm2, ymm8)
	vfmadd231pd(ymm1, ymm2, ymm9)
	vfmadd231pd(ymm0, ymm3, ymm10)
	vfmadd231pd(ymm1, ymm3, ymm11)
	
	vbroadcastsd(mem(rax, 16*8), ymm2)
	vbroadcastsd(mem(rax, 17*8), ymm3)
	vfmadd231pd(ymm0, ymm2, ymm12)
	vfmadd231pd(ymm1, ymm2, ymm13)
	vfmadd231pd(ymm0, ymm3, ymm14)
	vfmadd231pd(ymm1, ymm3, ymm15)
	
	vmovapd(mem(rbx, 2*32), ymm0)
	vmovapd(mem(rbx, 3*32), ymm1)
	
	 // iteration 3
	vbroadcastsd(mem(rax, 18*8), ymm2)
	vbroadcastsd(mem(rax, 19*8), ymm3)
	vfmadd231pd(ymm0, ymm2, ymm4)
	vfmadd231pd(ymm1, ymm2, ymm5)
	vfmadd231pd(ymm0, ymm3, ymm6)
	vfmadd231pd(ymm1, ymm3, ymm7)
	
	vbroadcastsd(mem(rax, 20*8), ymm2)
	vbroadcastsd(mem(rax, 21*8), ymm3)
	vfmadd231pd(ymm0, ymm2, ymm8)
	vfmadd231pd(ymm1, ymm2, ymm9)
	vfmadd231pd(ymm0, ymm3, ymm10)
	vfmadd231pd(ymm1, ymm3, ymm11)
	
	vbroadcastsd(mem(rax, 22*8), ymm2)
	vbroadcastsd(mem(rax, 23*8), ymm3)
	vfmadd231pd(ymm0, ymm2, ymm12)
	vfmadd231pd(ymm1, ymm2, ymm13)
	vfmadd231pd(ymm0, ymm3, ymm14)
	vfmadd231pd(ymm1, ymm3, ymm15)
	
	add(imm(4*6*8), rax) // a += 4*6 (unroll x mr)
	add(imm(4*8*8), rbx) // b += 4*8 (unroll x nr)
	
	vmovapd(mem(rbx, -4*32), ymm0)
	vmovapd(mem(rbx, -3*32), ymm1)
	
	
	dec(rsi) // i -= 1;
	jne(.DLOOPKITER) // iterate again if i != 0.
	
	
	
	
	
	
	label(.DCONSIDKLEFT)
	
	mov(var(k_left), rsi) // i = k_left;
	test(rsi, rsi) // check i via logical AND.
	je(.DPOSTACCUM) // if i == 0, we're done; jump to end.
	 // else, we prepare to enter k_left loop.
	
	
	label(.DLOOPKLEFT) // EDGE LOOP
	
	prefetch(0, mem(rax, 64*8))
	
	vbroadcastsd(mem(rax, 0*8), ymm2)
	vbroadcastsd(mem(rax, 1*8), ymm3)
	vfmadd231pd(ymm0, ymm2, ymm4)
	vfmadd231pd(ymm1, ymm2, ymm5)
	vfmadd231pd(ymm0, ymm3, ymm6)
	vfmadd231pd(ymm1, ymm3, ymm7)
	
	vbroadcastsd(mem(rax, 2*8), ymm2)
	vbroadcastsd(mem(rax, 3*8), ymm3)
	vfmadd231pd(ymm0, ymm2, ymm8)
	vfmadd231pd(ymm1, ymm2, ymm9)
	vfmadd231pd(ymm0, ymm3, ymm10)
	vfmadd231pd(ymm1, ymm3, ymm11)
	
	vbroadcastsd(mem(rax, 4*8), ymm2)
	vbroadcastsd(mem(rax, 5*8), ymm3)
	vfmadd231pd(ymm0, ymm2, ymm12)
	vfmadd231pd(ymm1, ymm2, ymm13)
	vfmadd231pd(ymm0, ymm3, ymm14)
	vfmadd231pd(ymm1, ymm3, ymm15)
	
	add(imm(1*6*8), rax) // a += 1*6 (unroll x mr)
	add(imm(1*8*8), rbx) // b += 1*8 (unroll x nr)
	
	vmovapd(mem(rbx, -4*32), ymm0)
	vmovapd(mem(rbx, -3*32), ymm1)
	
	
	dec(rsi) // i -= 1;
	jne(.DLOOPKLEFT) // iterate again if i != 0.
	
	
	
	label(.DPOSTACCUM)
	
	 // ymm4..ymm15 = -a10 * b01
	
	
	
	
	mov(var(alpha), rbx) // load address of alpha
	vbroadcastsd(mem(rbx), ymm3) // load alpha and duplicate
	
	
	
	
	mov(imm(1), rsi) // set cs_b = 1
	lea(mem(, rsi, 8), rsi) // cs_b *= sizeof(double)
	
	lea(mem(rcx, rsi, 4), rdx) // load address of b11 + 4*cs_b
	
	mov(rcx, r11) // save rcx = b11        for later
	mov(rdx, r14) // save rdx = b11+4*cs_b for later
	
	
	 // b11 := alpha * b11 - a10 * b01
	vfmsub231pd(mem(rcx), ymm3, ymm4)
	add(rdi, rcx)
	vfmsub231pd(mem(rdx), ymm3, ymm5)
	add(rdi, rdx)
	
	vfmsub231pd(mem(rcx), ymm3, ymm6)
	add(rdi, rcx)
	vfmsub231pd(mem(rdx), ymm3, ymm7)
	add(rdi, rdx)
	
	vfmsub231pd(mem(rcx), ymm3, ymm8)
	add(rdi, rcx)
	vfmsub231pd(mem(rdx), ymm3, ymm9)
	add(rdi, rdx)
	
	vfmsub231pd(mem(rcx), ymm3, ymm10)
	add(rdi, rcx)
	vfmsub231pd(mem(rdx), ymm3, ymm11)
	add(rdi, rdx)
	
	vfmsub231pd(mem(rcx), ymm3, ymm12)
	add(rdi, rcx)
	vfmsub231pd(mem(rdx), ymm3, ymm13)
	add(rdi, rdx)
	
	vfmsub231pd(mem(rcx), ymm3, ymm14)
  //add(rdi, rcx)
	vfmsub231pd(mem(rdx), ymm3, ymm15)
  //add(rdi, rdx)
	
	
	
	 // prefetch c11
	
#if 0
	mov(r8, rcx) // load address of c11 from r8
	 // Note: r9 = rs_c * sizeof(double)
	
	lea(mem(r9 , r9 , 2), r13) // r13 = 3*rs_c;
	lea(mem(rcx, r13, 1), rdx) // rdx = c11 + 3*rs_c;
	
	prefetch(0, mem(rcx, 7*8)) // prefetch c11 + 0*rs_c
	prefetch(0, mem(rcx, r9, 1, 7*8)) // prefetch c11 + 1*rs_c
	prefetch(0, mem(rcx, r9 , 2, 7*8)) // prefetch c11 + 2*rs_c
	prefetch(0, mem(rdx, 7*8)) // prefetch c11 + 3*rs_c
	prefetch(0, mem(rdx, r9, 1, 7*8)) // prefetch c11 + 4*rs_c
	prefetch(0, mem(rdx, r9 , 2, 7*8)) // prefetch c11 + 5*rs_c
#endif
	
	
	
	
	 // trsm computation begins here
	
	 // Note: contents of b11 are stored as
	 // ymm4  ymm5  = ( beta00..03 ) ( beta04..07 )
	 // ymm6  ymm7  = ( beta10..13 ) ( beta14..17 )
	 // ymm8  ymm9  = ( beta20..23 ) ( beta24..27 )
	 // ymm10 ymm11 = ( beta30..33 ) ( beta34..37 )
	 // ymm12 ymm13 = ( beta40..43 ) ( beta44..47 )
	 // ymm14 ymm15 = ( beta50..53 ) ( beta54..57 )
	
	
	mov(var(a11), rax) // load address of a11
	
	mov(r11, rcx) // recall address of b11
	mov(r14, rdx) // recall address of b11+4*cs_b
	 // Note: rdi = rs_b
	
	 // iteration 0 -------------
	
	vbroadcastsd(mem(0+0*6)*8(rax), ymm0) // ymm0 = (1/alpha00)
	
#ifdef BLIS_ENABLE_TRSM_PREINVERSION
	vmulpd(ymm0, ymm4, ymm4) // ymm4 *= (1/alpha00)
	vmulpd(ymm0, ymm5, ymm5) // ymm5 *= (1/alpha00)
#else
	vdivpd(ymm0, ymm4, ymm4) // ymm4 /= alpha00
	vdivpd(ymm0, ymm5, ymm5) // ymm5 /= alpha00
#endif
	
	vmovupd(ymm4, mem(rcx)) // store ( beta00..beta03 ) = ymm4
	vmovupd(ymm5, mem(rdx)) // store ( beta04..beta07 ) = ymm5
	add(rdi, rcx) // rcx += rs_b
	add(rdi, rdx) // rdx += rs_b
	
	 // iteration 1 -------------
	
	vbroadcastsd(mem(1+0*6)*8(rax), ymm0) // ymm0 = alpha10
	vbroadcastsd(mem(1+1*6)*8(rax), ymm1) // ymm1 = (1/alpha11)
	
	vmulpd(ymm0, ymm4, ymm2) // ymm2 = alpha10 * ymm4
	vmulpd(ymm0, ymm5, ymm3) // ymm3 = alpha10 * ymm5
	
	vsubpd(ymm2, ymm6, ymm6) // ymm6 -= ymm2
	vsubpd(ymm3, ymm7, ymm7) // ymm7 -= ymm3
	
#ifdef BLIS_ENABLE_TRSM_PREINVERSION
	vmulpd(ymm1, ymm6, ymm6) // ymm6 *= (1/alpha11)
	vmulpd(ymm1, ymm7, ymm7) // ymm7 *= (1/alpha11)
#else
	vdivpd(ymm1, ymm6, ymm6) // ymm6 /= alpha11
	vdivpd(ymm1, ymm7, ymm7) // ymm7 /= alpha11
#endif
	
	vmovupd(ymm6, mem(rcx)) // store ( beta10..beta13 ) = ymm6
	vmovupd(ymm7, mem(rdx)) // store ( beta14..beta17 ) = ymm7
	add(rdi, rcx) // rcx += rs_b
	add(rdi, rdx) // rdx += rs_b
	
	 // iteration 2 -------------
	
	vbroadcastsd(mem(2+0*6)*8(rax), ymm0) // ymm0 = alpha20
	vbroadcastsd(mem(2+1*6)*8(rax), ymm1) // ymm1 = alpha21
	
	vmulpd(ymm0, ymm4, ymm2) // ymm2 = alpha20 * ymm4
	vmulpd(ymm0, ymm5, ymm3) // ymm3 = alpha20 * ymm5
	
	vbroadcastsd(mem(2+2*6)*8(rax), ymm0) // ymm0 = (1/alpha22)
	
	vfmadd231pd(ymm1, ymm6, ymm2) // ymm2 += alpha21 * ymm6
	vfmadd231pd(ymm1, ymm7, ymm3) // ymm3 += alpha21 * ymm7
	
	vsubpd(ymm2, ymm8, ymm8) // ymm8 -= ymm2
	vsubpd(ymm3, ymm9, ymm9) // ymm9 -= ymm3
	
#ifdef BLIS_ENABLE_TRSM_PREINVERSION
	vmulpd(ymm0, ymm8, ymm8) // ymm8 *= (1/alpha22)
	vmulpd(ymm0, ymm9, ymm9) // ymm9 *= (1/alpha22)
#else
	vdivpd(ymm0, ymm8, ymm8) // ymm8 /= alpha22
	vdivpd(ymm0, ymm9, ymm9) // ymm9 /= alpha22
#endif
	
	vmovupd(ymm8, mem(rcx)) // store ( beta20..beta23 ) = ymm8
	vmovupd(ymm9, mem(rdx)) // store ( beta24..beta27 ) = ymm9
	add(rdi, rcx) // rcx += rs_b
	add(rdi, rdx) // rdx += rs_b
	
	 // iteration 3 -------------
	
	vbroadcastsd(mem(3+0*6)*8(rax), ymm0) // ymm0 = alpha30
	vbroadcastsd(mem(3+1*6)*8(rax), ymm1) // ymm1 = alpha31
	
	vmulpd(ymm0, ymm4, ymm2) // ymm2 = alpha30 * ymm4
	vmulpd(ymm0, ymm5, ymm3) // ymm3 = alpha30 * ymm5
	
	vbroadcastsd(mem(3+2*6)*8(rax), ymm0) // ymm0 = alpha32
	
	vfmadd231pd(ymm1, ymm6, ymm2) // ymm2 += alpha31 * ymm6
	vfmadd231pd(ymm1, ymm7, ymm3) // ymm3 += alpha31 * ymm7
	
	vbroadcastsd(mem(3+3*6)*8(rax), ymm1) // ymm1 = (1/alpha33)
	
	vfmadd231pd(ymm0, ymm8, ymm2) // ymm2 += alpha32 * ymm8
	vfmadd231pd(ymm0, ymm9, ymm3) // ymm3 += alpha32 * ymm9
	
	vsubpd(ymm2, ymm10, ymm10) // ymm10 -= ymm2
	vsubpd(ymm3, ymm11, ymm11) // ymm11 -= ymm3
	
#ifdef BLIS_ENABLE_TRSM_PREINVERSION
	vmulpd(ymm1, ymm10, ymm10) // ymm10 *= (1/alpha33)
	vmulpd(ymm1, ymm11, ymm11) // ymm11 *= (1/alpha33)
#else
	vdivpd(ymm1, ymm10, ymm10) // ymm10 /= alpha33
	vdivpd(ymm1, ymm11, ymm11) // ymm11 /= alpha33
#endif
	
	vmovupd(ymm10, mem(rcx)) // store ( beta30..beta33 ) = ymm10
	vmovupd(ymm11, mem(rdx)) // store ( beta34..beta37 ) = ymm11
	add(rdi, rcx) // rcx += rs_b
	add(rdi, rdx) // rdx += rs_b
	
	 // iteration 4 -------------
	
	vbroadcastsd(mem(4+0*6)*8(rax), ymm0) // ymm0 = alpha40
	vbroadcastsd(mem(4+1*6)*8(rax), ymm1) // ymm1 = alpha41
	
	vmulpd(ymm0, ymm4, ymm2) // ymm2 = alpha40 * ymm4
	vmulpd(ymm0, ymm5, ymm3) // ymm3 = alpha40 * ymm5
	
	vbroadcastsd(mem(4+2*6)*8(rax), ymm0) // ymm0 = alpha42
	
	vfmadd231pd(ymm1, ymm6, ymm2) // ymm2 += alpha41 * ymm6
	vfmadd231pd(ymm1, ymm7, ymm3) // ymm3 += alpha41 * ymm7
	
	vbroadcastsd(mem(4+3*6)*8(rax), ymm1) // ymm1 = alpha43
	
	vfmadd231pd(ymm0, ymm8, ymm2) // ymm2 += alpha42 * ymm8
	vfmadd231pd(ymm0, ymm9, ymm3) // ymm3 += alpha42 * ymm9
	
	vbroadcastsd(mem(4+4*6)*8(rax), ymm0) // ymm4 = (1/alpha44)
	
	vfmadd231pd(ymm1, ymm10, ymm2) // ymm2 += alpha43 * ymm10
	vfmadd231pd(ymm1, ymm11, ymm3) // ymm3 += alpha43 * ymm11
	
	vsubpd(ymm2, ymm12, ymm12) // ymm12 -= ymm2
	vsubpd(ymm3, ymm13, ymm13) // ymm13 -= ymm3
	
#ifdef BLIS_ENABLE_TRSM_PREINVERSION
	vmulpd(ymm0, ymm12, ymm12) // ymm12 *= (1/alpha44)
	vmulpd(ymm0, ymm13, ymm13) // ymm13 *= (1/alpha44)
#else
	vdivpd(ymm0, ymm12, ymm12) // ymm12 /= alpha44
	vdivpd(ymm0, ymm13, ymm13) // ymm13 /= alpha44
#endif
	
	vmovupd(ymm12, mem(rcx)) // store ( beta40..beta43 ) = ymm12
	vmovupd(ymm13, mem(rdx)) // store ( beta44..beta47 ) = ymm13
	add(rdi, rcx) // rcx += rs_b
	add(rdi, rdx) // rdx += rs_b
	
	 // iteration 5 -------------
	
	vbroadcastsd(mem(5+0*6)*8(rax), ymm0) // ymm0 = alpha50
	vbroadcastsd(mem(5+1*6)*8(rax), ymm1) // ymm1 = alpha51
	
	vmulpd(ymm0, ymm4, ymm2) // ymm2 = alpha50 * ymm4
	vmulpd(ymm0, ymm5, ymm3) // ymm3 = alpha50 * ymm5
	
	vbroadcastsd(mem(5+2*6)*8(rax), ymm0) // ymm0 = alpha52
	
	vfmadd231pd(ymm1, ymm6, ymm2) // ymm2 += alpha51 * ymm6
	vfmadd231pd(ymm1, ymm7, ymm3) // ymm3 += alpha51 * ymm7
	
	vbroadcastsd(mem(5+3*6)*8(rax), ymm1) // ymm1 = alpha53
	
	vfmadd231pd(ymm0, ymm8, ymm2) // ymm2 += alpha52 * ymm8
	vfmadd231pd(ymm0, ymm9, ymm3) // ymm3 += alpha52 * ymm9
	
	vbroadcastsd(mem(5+4*6)*8(rax), ymm0) // ymm0 = alpha54
	
	vfmadd231pd(ymm1, ymm10, ymm2) // ymm2 += alpha53 * ymm10
	vfmadd231pd(ymm1, ymm11, ymm3) // ymm3 += alpha53 * ymm11
	
	vbroadcastsd(mem(5+5*6)*8(rax), ymm1) // ymm1 = (1/alpha55)
	
	vfmadd231pd(ymm0, ymm12, ymm2) // ymm2 += alpha54 * ymm12
	vfmadd231pd(ymm0, ymm13, ymm3) // ymm3 += alpha54 * ymm13
	
	vsubpd(ymm2, ymm14, ymm14) // ymm14 -= ymm2
	vsubpd(ymm3, ymm15, ymm15) // ymm15 -= ymm3
	
#ifdef BLIS_ENABLE_TRSM_PREINVERSION
	vmulpd(ymm1, ymm14, ymm14) // ymm14 *= (1/alpha55)
	vmulpd(ymm1, ymm15, ymm15) // ymm15 *= (1/alpha55)
#else
	vdivpd(ymm1, ymm14, ymm14) // ymm14 /= alpha55
	vdivpd(ymm1, ymm15, ymm15) // ymm15 /= alpha55
#endif
	
	vmovupd(ymm14, mem(rcx)) // store ( beta50..beta53 ) = ymm14
	vmovupd(ymm15, mem(rdx)) // store ( beta54..beta57 ) = ymm15
	add(rdi, rcx) // rcx += rs_b
	add(rdi, rdx) // rdx += rs_b
	
	
	
	
	mov(r8, rcx) // load address of c11 from r8
	mov(r9, rdi) // load rs_c (in bytes) from r9
	mov(r10, rsi) // load cs_c (in bytes) from r10
	
	lea(mem(rcx, rsi, 4), rdx) // load address of c11 + 4*cs_c;
	lea(mem(rcx, rdi, 4), r14) // load address of c11 + 4*rs_c;
	
	 // These are used in the macros below.
	lea(mem(rsi, rsi, 2), r13) // r13 = 3*cs_c;
  //lea(mem(rsi, rsi, 4), r15) // r15 = 5*cs_c;
  //lea(mem(r13, rsi, 4), r10) // r10 = 7*cs_c;
	
	
	
	cmp(imm(8), rsi) // set ZF if (8*cs_c) == 8.
	jz(.DROWSTORED) // jump to row storage case
	
	
	
	cmp(imm(8), rdi) // set ZF if (8*rs_c) == 8.
	jz(.DCOLSTORED) // jump to column storage case
	
	
	
	 // if neither row- or column-
	 // stored, use general case.
	label(.DGENSTORED)
	
	
	vmovapd(ymm4, ymm0)
	DGEMM_OUTPUT_GS_BETA_NZ
	add(rdi, rcx) // c11 += rs_c;
	
	
	vmovapd(ymm6, ymm0)
	DGEMM_OUTPUT_GS_BETA_NZ
	add(rdi, rcx) // c11 += rs_c;
	
	
	vmovapd(ymm8, ymm0)
	DGEMM_OUTPUT_GS_BETA_NZ
	add(rdi, rcx) // c11 += rs_c;
	
	
	vmovapd(ymm10, ymm0)
	DGEMM_OUTPUT_GS_BETA_NZ
	add(rdi, rcx) // c11 += rs_c;
	
	
	vmovapd(ymm12, ymm0)
	DGEMM_OUTPUT_GS_BETA_NZ
	add(rdi, rcx) // c11 += rs_c;
	
	
	vmovapd(ymm14, ymm0)
	DGEMM_OUTPUT_GS_BETA_NZ
	
	
	mov(rdx, rcx) // rcx = c11 + 4*cs_c
	
	
	vmovapd(ymm5, ymm0)
	DGEMM_OUTPUT_GS_BETA_NZ
	add(rdi, rcx) // c11 += rs_c;
	
	
	vmovapd(ymm7, ymm0)
	DGEMM_OUTPUT_GS_BETA_NZ
	add(rdi, rcx) // c11 += rs_c;
	
	
	vmovapd(ymm9, ymm0)
	DGEMM_OUTPUT_GS_BETA_NZ
	add(rdi, rcx) // c11 += rs_c;
	
	
	vmovapd(ymm11, ymm0)
	DGEMM_OUTPUT_GS_BETA_NZ
	add(rdi, rcx) // c11 += rs_c;
	
	
	vmovapd(ymm13, ymm0)
	DGEMM_OUTPUT_GS_BETA_NZ
	add(rdi, rcx) // c11 += rs_c;
	
	
	vmovapd(ymm15, ymm0)
	DGEMM_OUTPUT_GS_BETA_NZ
	
	
	jmp(.DDONE)
	
	
	
	label(.DROWSTORED)
	
	
	vmovupd(ymm4, mem(rcx))
	add(rdi, rcx)
	vmovupd(ymm5, mem(rdx))
	add(rdi, rdx)
	
	vmovupd(ymm6, mem(rcx))
	add(rdi, rcx)
	vmovupd(ymm7, mem(rdx))
	add(rdi, rdx)
	
	vmovupd(ymm8, mem(rcx))
	add(rdi, rcx)
	vmovupd(ymm9, mem(rdx))
	add(rdi, rdx)
	
	vmovupd(ymm10, mem(rcx))
	add(rdi, rcx)
	vmovupd(ymm11, mem(rdx))
	add(rdi, rdx)
	
	vmovupd(ymm12, mem(rcx))
	add(rdi, rcx)
	vmovupd(ymm13, mem(rdx))
	add(rdi, rdx)
	
	vmovupd(ymm14, mem(rcx))
	//add(rdi, rcx)
	vmovupd(ymm15, mem(rdx))
	//add(rdi, rdx)
	
	
	jmp(.DDONE)
	
	
	
	label(.DCOLSTORED)
	
	
	vunpcklpd(ymm6, ymm4, ymm0)
	vunpckhpd(ymm6, ymm4, ymm1)
	vunpcklpd(ymm10, ymm8, ymm2)
	vunpckhpd(ymm10, ymm8, ymm3)
	vinsertf128(imm(0x1), xmm2, ymm0, ymm4)
	vinsertf128(imm(0x1), xmm3, ymm1, ymm6)
	vperm2f128(imm(0x31), ymm2, ymm0, ymm8)
	vperm2f128(imm(0x31), ymm3, ymm1, ymm10)
	
	vmovupd(ymm4, mem(rcx))
	vmovupd(ymm6, mem(rcx, rsi, 1))
	vmovupd(ymm8, mem(rcx, rsi, 2))
	vmovupd(ymm10, mem(rcx, r13, 1))
	
	lea(mem(rcx, rsi, 4), rcx)
	
	vunpcklpd(ymm14, ymm12, ymm0)
	vunpckhpd(ymm14, ymm12, ymm1)
	vextractf128(imm(0x1), ymm0, xmm2)
	vextractf128(imm(0x1), ymm1, xmm3)
	
	vmovupd(xmm0, mem(r14))
	vmovupd(xmm1, mem(r14, rsi, 1))
	vmovupd(xmm2, mem(r14, rsi, 2))
	vmovupd(xmm3, mem(r14, r13, 1))
	
	lea(mem(r14, rsi, 4), r14)
	
	
	vunpcklpd(ymm7, ymm5, ymm0)
	vunpckhpd(ymm7, ymm5, ymm1)
	vunpcklpd(ymm11, ymm9, ymm2)
	vunpckhpd(ymm11, ymm9, ymm3)
	vinsertf128(imm(0x1), xmm2, ymm0, ymm5)
	vinsertf128(imm(0x1), xmm3, ymm1, ymm7)
	vperm2f128(imm(0x31), ymm2, ymm0, ymm9)
	vperm2f128(imm(0x31), ymm3, ymm1, ymm11)
	
	vmovupd(ymm5, mem(rcx))
	vmovupd(ymm7, mem(rcx, rsi, 1))
	vmovupd(ymm9, mem(rcx, rsi, 2))
	vmovupd(ymm11, mem(rcx, r13, 1))
	
	//lea(mem(rcx, rsi, 4), rcx)
	
	vunpcklpd(ymm15, ymm13, ymm0)
	vunpckhpd(ymm15, ymm13, ymm1)
	vextractf128(imm(0x1), ymm0, xmm2)
	vextractf128(imm(0x1), ymm1, xmm3)
	
	vmovupd(xmm0, mem(r14))
	vmovupd(xmm1, mem(r14, rsi, 1))
	vmovupd(xmm2, mem(r14, rsi, 2))
	vmovupd(xmm3, mem(r14, r13, 1))
	
	//lea(mem(r14, rsi, 4), r14)
	
	
	
	
	
	label(.DDONE)
	
	vzeroupper()
	


	end_asm(
	: // output operands (none)
	: // input operands
      [k_iter] "m" (k_iter), // 0
      [k_left] "m" (k_left), // 1
      [a10]    "m" (a10),    // 2
      [b01]    "m" (b01),    // 3
      [beta]   "m" (beta),   // 4
      [alpha]  "m" (alpha),  // 5
      [a11]    "m" (a11),    // 6
      [b11]    "m" (b11),    // 7
      [c11]    "m" (c11),    // 8
      [rs_c]   "m" (rs_c),   // 9
      [cs_c]   "m" (cs_c)    // 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"
	)
}



