OpenBLAS/kernel/loongarch64/dot.S

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#define ASSEMBLER

#include "common.h"
#define N      $r4
#define X      $r5
#define INCX   $r6
#define Y      $r7
#define INCY   $r8
#define I      $r17
#define TEMP   $r18
#define a1     $f23
#define a2     $f9
#define a3     $f10
#define a4     $f11
#define b1     $f12
#define b2     $f13
#define b3     $f14
#define b4     $f15
#define s1     $f22
#define s2     $f8

   PROLOGUE

#ifdef F_INTERFACE
   LDINT   N,     0(N)
   LDINT   INCX,  0(INCX)
   LDINT   INCY,  0(INCY)
#endif

   MTC  s1, $r0
   MTC  s2, $r0
   slli.d  INCX, INCX, BASE_SHIFT
   li.d  TEMP, SIZE
   slli.d INCY, INCY, BASE_SHIFT
   bge $r0,    N, .L999
   srai.d I, N, 3
   bne INCX, TEMP, .L20
   bne INCY, TEMP, .L20
   bge $r0,    I, .L15
   LD a1,  X,   0 * SIZE
   LD b1,  Y,   0 * SIZE
   LD a2,  X,   1 * SIZE
   LD b2,  Y,   1 * SIZE
   LD a3,  X,   2 * SIZE
   LD b3,  Y,   2 * SIZE
   LD a4,  X,   3 * SIZE
   addi.d  I, I, -1
   LD b4,  Y,   3 * SIZE
   bge $r0,    I, .L13
   .align 3

.L12:
#ifdef DSDOT
   fcvt.d.s  a1, a1
   fcvt.d.s  b1, b1
   fmadd.d  s1, b1, a1, s1
#else
   MADD  s1, b1, a1, s1
#endif
   LD a1,  X,   4 * SIZE
   LD b1,  Y,   4 * SIZE
#ifdef DSDOT
   fcvt.d.s  a2, a2
   fcvt.d.s  b2, b2
   fmadd.d  s2, b2, a2, s2
#else
   MADD  s2, b2, a2, s2
#endif
   LD a2,  X,   5 * SIZE
   LD b2,  Y,   5 * SIZE
#ifdef DSDOT
   fcvt.d.s  a3, a3
   fcvt.d.s  b3, b3
   fmadd.d  s1, b3, a3, s1
#else
   MADD  s1, b3, a3, s1
#endif
   LD a3,  X,   6 * SIZE
   LD b3,  Y,   6 * SIZE
#ifdef DSDOT
   fcvt.d.s  a4, a4
   fcvt.d.s  b4, b4
   fmadd.d  s2, b4, a4, s2
#else
   MADD  s2, b4, a4, s2
#endif
   LD a4,  X,   7 * SIZE
   LD b4,  Y,   7 * SIZE
#ifdef DSDOT
   fcvt.d.s  a1, a1
   fcvt.d.s  b1, b1
   fmadd.d  s1, b1, a1, s1
#else
   MADD  s1, b1, a1, s1
#endif
   LD a1,  X,   8 * SIZE
   LD b1,  Y,   8 * SIZE
#ifdef DSDOT
   fcvt.d.s  a2, a2
   fcvt.d.s  b2, b2
   fmadd.d  s2, b2, a2, s2
#else
   MADD  s2, b2, a2, s2
#endif
   LD a2,  X,   9 * SIZE
   LD b2,  Y,   9 * SIZE
#ifdef DSDOT
   fcvt.d.s  a3, a3
   fcvt.d.s  b3, b3
   fmadd.d  s1, b3, a3, s1
#else
   MADD  s1, b3, a3, s1
#endif
   LD a3,  X,  10 * SIZE
   LD b3,  Y,  10 * SIZE
#ifdef DSDOT
   fcvt.d.s  a4, a4
   fcvt.d.s  b4, b4
   fmadd.d  s2, b4, a4, s2
#else
   MADD  s2, b4, a4, s2
#endif
   LD a4,  X,  11 * SIZE
   LD b4,  Y,  11 * SIZE
   addi.d  I, I, -1
   addi.d  X, X, 8 * SIZE
addi.d Y, Y, 8 * SIZE
   blt $r0,    I, .L12
   .align 3
.L13:
#ifdef DSDOT
   fcvt.d.s  a1, a1
   fcvt.d.s  b1, b1
   fmadd.d  s1, b1, a1, s1
#else
   MADD  s1, b1, a1, s1
#endif
   LD a1,  X,   4 * SIZE
   LD b1,  Y,   4 * SIZE
#ifdef DSDOT
   fcvt.d.s a2, a2
   fcvt.d.s b2, b2
   fmadd.d  s2, b2, a2, s2
#else
   MADD  s2, b2, a2, s2
#endif
   LD a2,  X,   5 * SIZE
   LD b2,  Y,   5 * SIZE
#ifdef DSDOT
   fcvt.d.s a3, a3
   fcvt.d.s b3, b3
   fmadd.d  s1, b3, a3, s1
#else
   MADD  s1, b3, a3, s1
#endif
   LD a3,  X,   6 * SIZE
   LD b3,  Y,   6 * SIZE
#ifdef DSDOT
   fcvt.d.s a4, a4
   fcvt.d.s b4, b4
   fmadd.d  s2, b4, a4, s2
#else
   MADD  s2, b4, a4, s2
#endif
   LD a4,  X,   7 * SIZE
   LD b4,  Y,   7 * SIZE
#ifdef DSDOT
   fcvt.d.s  a1, a1
   fcvt.d.s  b1, b1
   fmadd.d  s1, b1, a1, s1
#else
   MADD  s1, b1, a1, s1
#endif
   addi.d  X, X, 8 * SIZE
#ifdef DSDOT
   fcvt.d.s  a2, a2
   fcvt.d.s  b2, b2
   fmadd.d  s2, b2, a2, s2
#else
   MADD  s2, b2, a2, s2
#endif
   addi.d  Y, Y, 8 * SIZE
#ifdef DSDOT
   fcvt.d.s  a3, a3
   fcvt.d.s  b3, b3
   fmadd.d  s1, b3, a3, s1
#else
   MADD  s1, b3, a3, s1
#endif
#ifdef DSDOT
   fcvt.d.s  a4, a4
   fcvt.d.s  b4, b4
   fmadd.d  s2, b4, a4, s2
#else
   MADD  s2, b4, a4, s2
#endif
   .align 3
.L15:
   andi    I,  N, 7
   bge $r0,    I, .L999
   .align  3
.L16:
   LD a1,  X,   0 * SIZE
   LD b1,  Y,   0 * SIZE
#ifdef DSDOT
   fcvt.d.s  a1, a1
   fcvt.d.s  b1, b1
   fmadd.d  s1, b1, a1, s1
#else
   MADD  s1, b1, a1, s1
#endif
   addi.d  I, I, -1
   addi.d  X, X, SIZE
   addi.d  Y, Y, SIZE
   blt $r0,    I, .L16
   b   .L999
   .align 3

.L20:
#ifdef F_INTERFACE
   bgez    INCX, .L21
   addi.d  TEMP, N, -1
   mult    TEMP, INCX
   mflo    TEMP
   dsub    X, X, TEMP
   .align 3

.L21:
   bgez    INCY, .L22
   addi.d  TEMP, N, -1
   mult    TEMP, INCY
   mflo    TEMP
   dsub    Y, Y, TEMP
   .align 3

.L22:
#endif
   bge $r0,    I, .L25
   .align 3

.L23:
   LD a1,  X,   0 * SIZE
   add.d   X, X, INCX
   LD b1,  Y,   0 * SIZE
   add.d   Y, Y, INCY
#ifdef DSDOT
   fcvt.d.s  a1, a1
   fcvt.d.s  b1, b1
   fmadd.d  s1, b1, a1, s1
#else
   MADD  s1, b1, a1, s1
#endif
   LD a1,  X,   0 * SIZE
   add.d   X, X, INCX
   LD b1,  Y,   0 * SIZE
   add.d   Y, Y, INCY
#ifdef DSDOT
   fcvt.d.s  a1, a1
   fcvt.d.s  b1, b1
   fmadd.d  s2, b1, a1, s2
#else
   MADD  s2, b1, a1, s2
#endif
   LD a1,  X,   0 * SIZE
   add.d   X, X, INCX
   LD b1,  Y,   0 * SIZE
   add.d   Y, Y, INCY
#ifdef DSDOT
   fcvt.d.s  a1, a1
   fcvt.d.s  b1, b1
   fmadd.d  s1, b1, a1, s1
#else
   MADD  s1, b1, a1, s1
#endif
   LD a1,  X,   0 * SIZE
   add.d   X, X, INCX
   LD b1,  Y,   0 * SIZE
   add.d   Y, Y, INCY
#ifdef DSDOT
   fcvt.d.s  a1, a1
   fcvt.d.s  b1, b1
   fmadd.d  s2, b1, a1, s2
#else
   MADD  s2, b1, a1, s2
#endif
   LD a1,  X,   0 * SIZE
   add.d   X, X, INCX
   LD b1,  Y,   0 * SIZE
   add.d   Y, Y, INCY
#ifdef DSDOT
   fcvt.d.s  a1, a1
   fcvt.d.s  b1, b1
   fmadd.d  s1, b1, a1, s1
#else
   MADD  s1, b1, a1, s1
#endif
   LD a1,  X,   0 * SIZE
   add.d   X, X, INCX
   LD b1,  Y,   0 * SIZE
   add.d   Y, Y, INCY
#ifdef DSDOT
   fcvt.d.s  a1, a1
   fcvt.d.s  b1, b1
   fmadd.d  s2, b1, a1, s2
#else
   MADD  s2, b1, a1, s2
#endif
   LD a1,  X,   0 * SIZE
   add.d   X, X, INCX
   LD b1,  Y,   0 * SIZE
   add.d   Y, Y, INCY
#ifdef DSDOT
   fcvt.d.s  a1, a1
   fcvt.d.s  b1, b1
   fmadd.d  s1, b1, a1, s1
#else
   MADD  s1, b1, a1, s1
#endif
   LD a1,  X,   0 * SIZE
   add.d   X, X, INCX
   LD b1,  Y,   0 * SIZE
   add.d   Y, Y, INCY
   addi.d  I, I, -1
#ifdef DSDOT
   fcvt.d.s  a1, a1
   fcvt.d.s  b1, b1
   fmadd.d  s2, b1, a1, s2
#else
   MADD  s2, b1, a1, s2
#endif
   blt $r0,    I, .L23
   .align 3

.L25:
   andi    I,  N, 7
   bge $r0,    I, .L999
   .align  3

.L26:
   LD a1,  X,   0 * SIZE
   add.d   X, X, INCX
   LD b1,  Y,   0 * SIZE
   add.d   Y, Y, INCY
   addi.d  I, I, -1
#ifdef DSDOT
   fcvt.d.s  a1, a1
   fcvt.d.s  b1, b1
   fmadd.d  s1, b1, a1, s1
#else
   MADD  s1, b1, a1, s1
#endif
   blt $r0,    I, .L26
   .align 3

.L999:
#ifdef DSDOT
   fadd.d $f0, s1, s2
#else
   ADD    $f0, s1, s2
#endif
   move $r4, $r17
   jirl    $r0, $r1, 0x0

   EPILOGUE