vect_dsp16_realmul_at32uc.c File Reference

#include "dsp.h"
#include "preprocessor.h"

Macros
#define	ASM_INSTRUCT_COMPACKED(str)   str
#define	ASM_INSTRUCT_EXTENDED(str)   str
#define	DSP16_REALMUL_END_KERNEL_X_FCT(x_num, data)   __attribute__((__naked__)) DSP16_REALMUL_END_KERNEL_X_FCT__(x_num, data)
#define	DSP16_REALMUL_END_KERNEL_X_FCT__(x_num, data)
#define	DSP16_REALMULTIPLICATION_0(r_vect1, r_vect2, real)
#define	DSP16_REALMULTIPLICATION_1(r_vect1, r_vect2, real)
#define	DSP16_REALMULTIPLICATION_2(r_vect1, r_vect2, real)
#define	DSP16_REALMULTIPLICATION_3(r_vect1, r_vect2, real)

Functions
void	dsp16_vect_realmul (dsp16_t *vect1, dsp16_t *vect2, int size, dsp16_t real)
	16-bit fixed point version of the vector multiplication with a real number. More...
static int	dsp16_vect_realmul_kernel_ext (dsp16_t *vect1, dsp16_t *vect2, int size, dsp16_t real)
	avr32-uc3 16 bit version More...

#define ASM_INSTRUCT_COMPACKED

(

str

)

str

Referenced by dsp16_vect_realmul_kernel_ext().

#define ASM_INSTRUCT_EXTENDED

(

str

)

str

#define DSP16_REALMUL_END_KERNEL_X_FCT	(		x_num,
			data
	)		__attribute__((__naked__)) DSP16_REALMUL_END_KERNEL_X_FCT__(x_num, data)

#define DSP16_REALMUL_END_KERNEL_X_FCT__	(		x_num,
			data
	)

Value:

static void TPASTE2(dsp16_vect_realmul_end_kernel_x, x_num)(dsp16_t *vect1, dsp16_t *vect2, dsp16_t real) \
{ \
  __asm__ __volatile__ ( \
    "pushm  r0-r3, lr\n\t" \
    TPASTE2(DSP16_REALMULTIPLICATION_, x_num)(r12, r11, r10) \
    "popm  r0-r3, pc\n\t" \
  ); \
}

#define DSP16_REALMULTIPLICATION_0	(		r_vect1,
			r_vect2,
			real
	)

#define DSP16_REALMULTIPLICATION_1	(		r_vect1,
			r_vect2,
			real
	)

Value:

"ld.sh    r2, "ASTRINGZ(r_vect2)"[0x0]\n\t" \
\
        "mul      r1, r2, "ASTRINGZ(real)"\n\t" \
        "lsr      r1, "ASTRINGZ(DSP16_QB)"\n\t" \
        "st.h     "ASTRINGZ(r_vect1)"[0x0], r1\n\t"

#define DSP16_REALMULTIPLICATION_2	(		r_vect1,
			r_vect2,
			real
	)

Value:

"ld.w     r2, "ASTRINGZ(r_vect2)"[0x0]\n\t" \
\
        "mulhh.w  r1, r2:b, "ASTRINGZ(real)":b\n\t" \
        "lsr      r1, "ASTRINGZ(DSP16_QB)"\n\t" \
        "mulhh.w  r0, r2:t, "ASTRINGZ(real)":b\n\t" \
        "lsr      r0, "ASTRINGZ(DSP16_QB)"\n\t" \
        "sthh.w   "ASTRINGZ(r_vect1)"[0x0], r0:b, r1:b\n\t"

#define DSP16_REALMULTIPLICATION_3	(		r_vect1,
			r_vect2,
			real
	)

Value:

"ld.w     r2, "ASTRINGZ(r_vect2)"[0x0]\n\t" \
\
        "mulhh.w  r1, r2:b, "ASTRINGZ(real)":b\n\t" \
        "lsr      r1, "ASTRINGZ(DSP16_QB)"\n\t" \
        "mulhh.w  r0, r2:t, "ASTRINGZ(real)":b\n\t" \
        "lsr      r0, "ASTRINGZ(DSP16_QB)"\n\t" \
        "sthh.w   "ASTRINGZ(r_vect1)"[0x0], r0:b, r1:b\n\t" \
\
        "ld.sh    r2, "ASTRINGZ(r_vect2)"[0x4]\n\t" \
\
        "mul      r1, r2, "ASTRINGZ(real)"\n\t" \
        "lsr      r1, "ASTRINGZ(DSP16_QB)"\n\t" \
        "st.h     "ASTRINGZ(r_vect1)"[0x4], r1\n\t"

static int dsp16_vect_realmul_kernel_ext ( dsp16_t *  vect1, dsp16_t *  vect2, int  size, dsp16_t  real  )

static

avr32-uc3 16 bit version

References ASM_INSTRUCT_COMPACKED, ASTRINGZ, and DSP16_QB.

Referenced by dsp16_vect_realmul().