--- /dev/null
+/***************************************************************************
+Copyright (c) 2014, 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.
+*****************************************************************************/
+
+static void sgemv_kernel_64( long n, float alpha, float *a, long lda, float *x, float *y)
+{
+
+
+ float *pre = a + lda*2;
+
+ __asm__ __volatile__
+ (
+ "movq %0, %%rax\n\t" // n -> rax
+ "vbroadcastss %1, %%ymm1\n\t" // alpha -> ymm1
+ "movq %2, %%rsi\n\t" // adress of a -> rsi
+ "movq %3, %%rcx\n\t" // value of lda > rcx
+ "movq %4, %%rdi\n\t" // adress of x -> rdi
+ "movq %5, %%rdx\n\t" // adress of y -> rdx
+ "movq %6, %%r8\n\t" // address for prefetch
+ "prefetcht0 (%%r8)\n\t" // Prefetch
+ "prefetcht0 64(%%r8)\n\t" // Prefetch
+
+ "vxorps %%ymm8 , %%ymm8 , %%ymm8 \n\t" // set to zero
+ "vxorps %%ymm9 , %%ymm9 , %%ymm9 \n\t" // set to zero
+ "vxorps %%ymm10, %%ymm10, %%ymm10\n\t" // set to zero
+ "vxorps %%ymm11, %%ymm11, %%ymm11\n\t" // set to zero
+ "vxorps %%ymm12, %%ymm12, %%ymm12\n\t" // set to zero
+ "vxorps %%ymm13, %%ymm13, %%ymm13\n\t" // set to zero
+ "vxorps %%ymm14, %%ymm14, %%ymm14\n\t" // set to zero
+ "vxorps %%ymm15, %%ymm15, %%ymm15\n\t" // set to zero
+ ".align 16 \n\t"
+ ".L01LOOP%=: \n\t"
+ "vbroadcastss (%%rdi), %%ymm0 \n\t" // load values of c
+ "leaq (%%r8 , %%rcx, 4), %%r8 \n\t" // add lda to pointer for prefetch
+
+ "prefetcht0 (%%r8)\n\t" // Prefetch
+ "vfmadd231ps 0*4(%%rsi), %%ymm0, %%ymm8 \n\t" // multiply a and c and add to temp
+ "vfmadd231ps 8*4(%%rsi), %%ymm0, %%ymm9 \n\t" // multiply a and c and add to temp
+ "prefetcht0 64(%%r8)\n\t" // Prefetch
+ "vfmadd231ps 16*4(%%rsi), %%ymm0, %%ymm10\n\t" // multiply a and c and add to temp
+ "vfmadd231ps 24*4(%%rsi), %%ymm0, %%ymm11\n\t" // multiply a and c and add to temp
+ "prefetcht0 128(%%r8)\n\t" // Prefetch
+ "vfmadd231ps 32*4(%%rsi), %%ymm0, %%ymm12\n\t" // multiply a and c and add to temp
+ "vfmadd231ps 40*4(%%rsi), %%ymm0, %%ymm13\n\t" // multiply a and c and add to temp
+ "prefetcht0 192(%%r8)\n\t" // Prefetch
+ "vfmadd231ps 48*4(%%rsi), %%ymm0, %%ymm14\n\t" // multiply a and c and add to temp
+ "vfmadd231ps 56*4(%%rsi), %%ymm0, %%ymm15\n\t" // multiply a and c and add to temp
+
+ "addq $4 , %%rdi \n\t" // increment pointer of c
+ "leaq (%%rsi, %%rcx, 4), %%rsi \n\t" // add lda to pointer of a
+
+ "dec %%rax \n\t" // n = n -1
+ "jnz .L01LOOP%= \n\t"
+
+ "vmulps %%ymm8 , %%ymm1, %%ymm8 \n\t" // scale by alpha
+ "vmulps %%ymm9 , %%ymm1, %%ymm9 \n\t" // scale by alpha
+ "vmulps %%ymm10, %%ymm1, %%ymm10\n\t" // scale by alpha
+ "vmulps %%ymm11, %%ymm1, %%ymm11\n\t" // scale by alpha
+ "vmulps %%ymm12, %%ymm1, %%ymm12\n\t" // scale by alpha
+ "vmulps %%ymm13, %%ymm1, %%ymm13\n\t" // scale by alpha
+ "vmulps %%ymm14, %%ymm1, %%ymm14\n\t" // scale by alpha
+ "vmulps %%ymm15, %%ymm1, %%ymm15\n\t" // scale by alpha
+
+ "vmovups %%ymm8 , (%%rdx) \n\t" // store temp -> y
+ "vmovups %%ymm9 , 8*4(%%rdx) \n\t" // store temp -> y
+ "vmovups %%ymm10, 16*4(%%rdx) \n\t" // store temp -> y
+ "vmovups %%ymm11, 24*4(%%rdx) \n\t" // store temp -> y
+ "vmovups %%ymm12, 32*4(%%rdx) \n\t" // store temp -> y
+ "vmovups %%ymm13, 40*4(%%rdx) \n\t" // store temp -> y
+ "vmovups %%ymm14, 48*4(%%rdx) \n\t" // store temp -> y
+ "vmovups %%ymm15, 56*4(%%rdx) \n\t" // store temp -> y
+
+ :
+ :
+ "m" (n), // 0
+ "m" (alpha), // 1
+ "m" (a), // 2
+ "m" (lda), // 3
+ "m" (x), // 4
+ "m" (y), // 5
+ "m" (pre) // 6
+ : "%rax", "%rcx", "%rdx", "%rsi", "%rdi", "%r8", "cc",
+ "%xmm0", "%xmm1",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+ "%xmm12", "%xmm13", "%xmm14", "%xmm15",
+ "memory"
+ );
+
+}
+
+
+
+static void sgemv_kernel_32( long n, float alpha, float *a, long lda, float *x, float *y)
+{
+
+
+ float *pre = a + lda*3;
+
+ __asm__ __volatile__
+ (
+ "movq %0, %%rax\n\t" // n -> rax
+ "vbroadcastss %1, %%ymm1\n\t" // alpha -> ymm1
+ "movq %2, %%rsi\n\t" // adress of a -> rsi
+ "movq %3, %%rcx\n\t" // value of lda > rcx
+ "movq %4, %%rdi\n\t" // adress of x -> rdi
+ "movq %5, %%rdx\n\t" // adress of y -> rdx
+ "movq %6, %%r8\n\t" // address for prefetch
+ "prefetcht0 (%%r8)\n\t" // Prefetch
+ "prefetcht0 64(%%r8)\n\t" // Prefetch
+
+ "vxorps %%ymm8 , %%ymm8 , %%ymm8 \n\t" // set to zero
+ "vxorps %%ymm9 , %%ymm9 , %%ymm9 \n\t" // set to zero
+ "vxorps %%ymm10, %%ymm10, %%ymm10\n\t" // set to zero
+ "vxorps %%ymm11, %%ymm11, %%ymm11\n\t" // set to zero
+ ".align 16 \n\t"
+ ".L01LOOP%=: \n\t"
+ "vbroadcastss (%%rdi), %%ymm0 \n\t" // load values of c
+ "nop \n\t"
+ "leaq (%%r8 , %%rcx, 4), %%r8 \n\t" // add lda to pointer for prefetch
+
+ "prefetcht0 (%%r8)\n\t" // Prefetch
+ "prefetcht0 64(%%r8)\n\t" // Prefetch
+
+ "vmulps 0*4(%%rsi), %%ymm0, %%ymm4 \n\t" // multiply a and c and add to temp
+ "vmulps 8*4(%%rsi), %%ymm0, %%ymm5 \n\t" // multiply a and c and add to temp
+ "vmulps 16*4(%%rsi), %%ymm0, %%ymm6 \n\t" // multiply a and c and add to temp
+ "vmulps 24*4(%%rsi), %%ymm0, %%ymm7 \n\t" // multiply a and c and add to temp
+
+ "vaddps %%ymm8 , %%ymm4, %%ymm8 \n\t" // multiply a and c and add to temp
+ "vaddps %%ymm9 , %%ymm5, %%ymm9 \n\t" // multiply a and c and add to temp
+ "vaddps %%ymm10, %%ymm6, %%ymm10\n\t" // multiply a and c and add to temp
+ "vaddps %%ymm11, %%ymm7, %%ymm11\n\t" // multiply a and c and add to temp
+
+
+
+ "addq $4 , %%rdi \n\t" // increment pointer of c
+ "leaq (%%rsi, %%rcx, 4), %%rsi \n\t" // add lda to pointer of a
+
+ "dec %%rax \n\t" // n = n -1
+ "jnz .L01LOOP%= \n\t"
+
+ "vmulps %%ymm8 , %%ymm1, %%ymm8 \n\t" // scale by alpha
+ "vmulps %%ymm9 , %%ymm1, %%ymm9 \n\t" // scale by alpha
+ "vmulps %%ymm10, %%ymm1, %%ymm10\n\t" // scale by alpha
+ "vmulps %%ymm11, %%ymm1, %%ymm11\n\t" // scale by alpha
+
+ "vmovups %%ymm8 , (%%rdx) \n\t" // store temp -> y
+ "vmovups %%ymm9 , 8*4(%%rdx) \n\t" // store temp -> y
+ "vmovups %%ymm10, 16*4(%%rdx) \n\t" // store temp -> y
+ "vmovups %%ymm11, 24*4(%%rdx) \n\t" // store temp -> y
+
+ :
+ :
+ "m" (n), // 0
+ "m" (alpha), // 1
+ "m" (a), // 2
+ "m" (lda), // 3
+ "m" (x), // 4
+ "m" (y), // 5
+ "m" (pre) // 6
+ : "%rax", "%rcx", "%rdx", "%rsi", "%rdi", "%r8", "cc",
+ "%xmm0", "%xmm1",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+ "memory"
+ );
+
+
+
+}
+
+static void sgemv_kernel_16( long n, float alpha, float *a, long lda, float *x, float *y)
+{
+
+ float *pre = a + lda*3;
+
+ __asm__ __volatile__
+ (
+ "movq %0, %%rax\n\t" // n -> rax
+ "vbroadcastss %1, %%ymm1\n\t" // alpha -> ymm1
+ "movq %2, %%rsi\n\t" // adress of a -> rsi
+ "movq %3, %%rcx\n\t" // value of lda > rcx
+ "movq %4, %%rdi\n\t" // adress of x -> rdi
+ "movq %5, %%rdx\n\t" // adress of y -> rdx
+ "movq %6, %%r8\n\t" // address for prefetch
+ "prefetcht0 (%%r8)\n\t" // Prefetch
+ "prefetcht0 64(%%r8)\n\t" // Prefetch
+
+ "vxorps %%ymm8 , %%ymm8 , %%ymm8 \n\t" // set to zero
+ "vxorps %%ymm9 , %%ymm9 , %%ymm9 \n\t" // set to zero
+ ".align 16 \n\t"
+ ".L01LOOP%=: \n\t"
+ "vbroadcastss (%%rdi), %%ymm0 \n\t" // load values of c
+ "nop \n\t"
+ "leaq (%%r8 , %%rcx, 4), %%r8 \n\t" // add lda to pointer for prefetch
+
+ "prefetcht0 (%%r8)\n\t" // Prefetch
+
+ "vmulps 0*4(%%rsi), %%ymm0, %%ymm4 \n\t" // multiply a and c and add to temp
+ "vmulps 8*4(%%rsi), %%ymm0, %%ymm5 \n\t" // multiply a and c and add to temp
+
+ "vaddps %%ymm8 , %%ymm4, %%ymm8 \n\t" // multiply a and c and add to temp
+ "vaddps %%ymm9 , %%ymm5, %%ymm9 \n\t" // multiply a and c and add to temp
+
+ "addq $4 , %%rdi \n\t" // increment pointer of c
+ "leaq (%%rsi, %%rcx, 4), %%rsi \n\t" // add lda to pointer of a
+
+ "dec %%rax \n\t" // n = n -1
+ "jnz .L01LOOP%= \n\t"
+
+ "vmulps %%ymm8 , %%ymm1, %%ymm8 \n\t" // scale by alpha
+ "vmulps %%ymm9 , %%ymm1, %%ymm9 \n\t" // scale by alpha
+
+ "vmovups %%ymm8 , (%%rdx) \n\t" // store temp -> y
+ "vmovups %%ymm9 , 8*4(%%rdx) \n\t" // store temp -> y
+
+ :
+ :
+ "m" (n), // 0
+ "m" (alpha), // 1
+ "m" (a), // 2
+ "m" (lda), // 3
+ "m" (x), // 4
+ "m" (y), // 5
+ "m" (pre) // 6
+ : "%rax", "%rcx", "%rdx", "%rsi", "%rdi", "%r8", "cc",
+ "%xmm0", "%xmm1",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+ "memory"
+ );
+
+
+}
+
+
+static void sgemv_kernel_8( long n, float alpha, float *a, long lda, float *x, float *y)
+{
+
+ __asm__ __volatile__
+ (
+ "movq %0, %%rax\n\t" // n -> rax
+ "vbroadcastss %1, %%ymm1\n\t" // alpha -> ymm1
+ "movq %2, %%rsi\n\t" // adress of a -> rsi
+ "movq %3, %%rcx\n\t" // value of lda > rcx
+ "movq %4, %%rdi\n\t" // adress of x -> rdi
+ "movq %5, %%rdx\n\t" // adress of y -> rdx
+
+ "vxorps %%ymm8 , %%ymm8 , %%ymm8 \n\t" // set to zero
+ ".align 16 \n\t"
+ ".L01LOOP%=: \n\t"
+ "vbroadcastss (%%rdi), %%ymm0 \n\t" // load values of c
+
+ "vmulps 0*4(%%rsi), %%ymm0, %%ymm4 \n\t" // multiply a and c and add to temp
+ "vaddps %%ymm8 , %%ymm4, %%ymm8 \n\t" // multiply a and c and add to temp
+
+ "addq $4 , %%rdi \n\t" // increment pointer of c
+ "leaq (%%rsi, %%rcx, 4), %%rsi \n\t" // add lda to pointer of a
+
+ "dec %%rax \n\t" // n = n -1
+ "jnz .L01LOOP%= \n\t"
+
+ "vmulps %%ymm8 , %%ymm1, %%ymm8 \n\t" // scale by alpha
+ "vmovups %%ymm8 , (%%rdx) \n\t" // store temp -> y
+
+ :
+ :
+ "m" (n), // 0
+ "m" (alpha), // 1
+ "m" (a), // 2
+ "m" (lda), // 3
+ "m" (x), // 4
+ "m" (y) // 5
+ : "%rax", "%rcx", "%rdx", "%rsi", "%rdi", "%r8", "cc",
+ "%xmm0", "%xmm1",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+ "memory"
+ );
+
+
+}
+
+
+static void sgemv_kernel_4( long n, float alpha, float *a, long lda, float *x, float *y)
+{
+
+
+ __asm__ __volatile__
+ (
+ "movq %0, %%rax\n\t" // n -> rax
+ "vbroadcastss %1, %%xmm1\n\t" // alpha -> xmm1
+ "movq %2, %%rsi\n\t" // adress of a -> rsi
+ "movq %3, %%rcx\n\t" // value of lda > rcx
+ "movq %4, %%rdi\n\t" // adress of x -> rdi
+ "movq %5, %%rdx\n\t" // adress of y -> rdx
+
+ "vxorps %%xmm12, %%xmm12, %%xmm12\n\t" // set to zero
+
+ ".L01LOOP%=: \n\t"
+ "vbroadcastss (%%rdi), %%xmm0 \n\t" // load values of c
+
+ "vmulps 0*4(%%rsi), %%xmm0, %%xmm4 \n\t" // multiply a and c and add to temp
+ "vaddps %%xmm12, %%xmm4, %%xmm12 \n\t" // multiply a and c and add to temp
+
+ "addq $4 , %%rdi \n\t" // increment pointer of c
+ "leaq (%%rsi, %%rcx, 4), %%rsi \n\t" // add lda to pointer of a
+
+ "dec %%rax \n\t" // n = n -1
+ "jnz .L01LOOP%= \n\t"
+
+ "vmulps %%xmm12, %%xmm1, %%xmm12\n\t" // scale by alpha
+
+ "vmovups %%xmm12, (%%rdx) \n\t" // store temp -> y
+
+ :
+ :
+ "m" (n), // 0
+ "m" (alpha), // 1
+ "m" (a), // 2
+ "m" (lda), // 3
+ "m" (x), // 4
+ "m" (y) // 5
+ : "%rax", "%rcx", "%rdx", "%rsi", "%rdi", "%r8",
+ "%xmm0", "%xmm1",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+ "%xmm12", "%xmm13", "%xmm14", "%xmm15",
+ "memory"
+ );
+
+}
+
+static void sgemv_kernel_2( long n, float alpha, float *a, long lda, float *x, float *y)
+{
+
+
+ __asm__ __volatile__
+ (
+ "movq %0, %%rax\n\t" // n -> rax
+ "vmovss %1, %%xmm1\n\t" // alpha -> xmm1
+ "movq %2, %%rsi\n\t" // adress of a -> rsi
+ "movq %3, %%rcx\n\t" // value of lda > rcx
+ "movq %4, %%rdi\n\t" // adress of x -> rdi
+ "movq %5, %%rdx\n\t" // adress of y -> rdx
+
+ "vxorps %%xmm12, %%xmm12, %%xmm12\n\t" // set to zero
+ "vxorps %%xmm13, %%xmm13, %%xmm13\n\t" // set to zero
+
+ ".L01LOOP%=: \n\t"
+ "vmovss (%%rdi), %%xmm0 \n\t" // load values of c
+
+ "vmulps 0*4(%%rsi), %%xmm0, %%xmm4 \n\t" // multiply a and c and add to temp
+ "vmulps 1*4(%%rsi), %%xmm0, %%xmm5 \n\t" // multiply a and c and add to temp
+
+ "vaddps %%xmm12, %%xmm4, %%xmm12 \n\t" // multiply a and c and add to temp
+ "vaddps %%xmm13, %%xmm5, %%xmm13 \n\t" // multiply a and c and add to temp
+
+ "addq $4 , %%rdi \n\t" // increment pointer of c
+ "leaq (%%rsi, %%rcx, 4), %%rsi \n\t" // add lda to pointer of a
+
+ "dec %%rax \n\t" // n = n -1
+ "jnz .L01LOOP%= \n\t"
+
+ "vmulss %%xmm12, %%xmm1, %%xmm12\n\t" // scale by alpha
+ "vmulss %%xmm13, %%xmm1, %%xmm13\n\t" // scale by alpha
+
+ "vmovss %%xmm12, (%%rdx) \n\t" // store temp -> y
+ "vmovss %%xmm13, 4(%%rdx) \n\t" // store temp -> y
+
+ :
+ :
+ "m" (n), // 0
+ "m" (alpha), // 1
+ "m" (a), // 2
+ "m" (lda), // 3
+ "m" (x), // 4
+ "m" (y) // 5
+ : "%rax", "%rcx", "%rdx", "%rsi", "%rdi", "%r8",
+ "%xmm0", "%xmm1",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+ "%xmm12", "%xmm13", "%xmm14", "%xmm15",
+ "memory"
+ );
+
+}
+
+
+
+static void sgemv_kernel_1( long n, float alpha, float *a, long lda, float *x, float *y)
+{
+
+
+ __asm__ __volatile__
+ (
+ "movq %0, %%rax\n\t" // n -> rax
+ "vmovss %1, %%xmm1\n\t" // alpha -> xmm1
+ "movq %2, %%rsi\n\t" // adress of a -> rsi
+ "movq %3, %%rcx\n\t" // value of lda > rcx
+ "movq %4, %%rdi\n\t" // adress of x -> rdi
+ "movq %5, %%rdx\n\t" // adress of y -> rdx
+
+ "vxorps %%xmm12, %%xmm12, %%xmm12\n\t" // set to zero
+
+ ".L01LOOP%=: \n\t"
+ "vmovss (%%rdi), %%xmm0 \n\t" // load values of c
+ "addq $4 , %%rdi \n\t" // increment pointer of c
+
+ "vmulss 0*4(%%rsi), %%xmm0, %%xmm4 \n\t" // multiply a and c and add to temp
+ "vaddss %%xmm12, %%xmm4, %%xmm12 \n\t" // multiply a and c and add to temp
+
+ "leaq (%%rsi, %%rcx, 4), %%rsi \n\t" // add lda to pointer of a
+
+ "dec %%rax \n\t" // n = n -1
+ "jnz .L01LOOP%= \n\t"
+
+ "vmulss %%xmm12, %%xmm1, %%xmm12\n\t" // scale by alpha
+
+ "vmovss %%xmm12, (%%rdx) \n\t" // store temp -> y
+
+ :
+ :
+ "m" (n), // 0
+ "m" (alpha), // 1
+ "m" (a), // 2
+ "m" (lda), // 3
+ "m" (x), // 4
+ "m" (y) // 5
+ : "%rax", "%rcx", "%rdx", "%rsi", "%rdi", "%r8",
+ "%xmm0", "%xmm1",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+ "%xmm12", "%xmm13", "%xmm14", "%xmm15",
+ "memory"
+ );
+
+}
+
+