OpenBLAS/kernel/riscv64/omatcopy_cn_rvv.c

/***************************************************************************
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#include "common.h"
#include <stdio.h>

#if !defined(DOUBLE)
#define VSETVL_MAX				__riscv_vsetvlmax_e32m8()
#define VSETVL(n)               __riscv_vsetvl_e32m8(n)
#define FLOAT_V_T               vfloat32m8_t
#define VLEV_FLOAT              __riscv_vle32_v_f32m8
#define VSEV_FLOAT              __riscv_vse32_v_f32m8
#define VFMULVF_FLOAT           __riscv_vfmul_vf_f32m8
#define VFMVVF_FLOAT            __riscv_vfmv_v_f_f32m8
#else
#define VSETVL_MAX				__riscv_vsetvlmax_e64m8()
#define VSETVL(n)               __riscv_vsetvl_e64m8(n)
#define FLOAT_V_T               vfloat64m8_t
#define VLEV_FLOAT              __riscv_vle64_v_f64m8
#define VSEV_FLOAT              __riscv_vse64_v_f64m8
#define VFMULVF_FLOAT           __riscv_vfmul_vf_f64m8
#define VFMVVF_FLOAT            __riscv_vfmv_v_f_f64m8
#endif


int CNAME(BLASLONG rows, BLASLONG cols, FLOAT alpha, FLOAT *a, BLASLONG lda, FLOAT *b, BLASLONG ldb)
{
	BLASLONG i,j;
	FLOAT *aptr,*bptr;
	size_t vl;

	FLOAT_V_T va, vb;
	if ( rows <= 0 )  return(0);
	if ( cols <= 0 )  return(0);

	aptr = a;
	bptr = b;

	if ( alpha == 0.0 )
	{
		vl = VSETVL_MAX;
		va = VFMVVF_FLOAT(0, vl);
		for ( i=0; i<cols ; i++ )
		{
			for(j=0; j<rows; j+=vl)
			{
				vl = VSETVL(rows - j);
				VSEV_FLOAT(bptr + j, va, vl);
			}
			bptr += ldb;
		}
		return(0);
	}

	if ( alpha == 1.0 )
	{
		for ( i=0; i<cols ; i++ )
		{
			for(j=0; j<rows; j+=vl)
			{
				vl = VSETVL(rows - j);
				va = VLEV_FLOAT(aptr + j, vl);
				VSEV_FLOAT(bptr + j, va, vl);
			}
			aptr += lda;
			bptr += ldb;
		}
		return(0);
	}

	for ( i=0; i<cols ; i++ )
	{
		for(j=0; j<rows; j+=vl)
		{
			vl = VSETVL(rows - j);
			va = VLEV_FLOAT(aptr + j, vl);
			va = VFMULVF_FLOAT(va, alpha, vl);
			VSEV_FLOAT(bptr + j, va, vl);
		}
		aptr += lda;
		bptr += ldb;
	}

	return(0);
}