vect_dsp32_sub_at32uc.c File Reference

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

Macros
#define	ASM_INSTRUCT_COMPACKED(str)   str
#define	ASM_INSTRUCT_EXTENDED(str)   str
#define	DSP32_SUB_END_KERNEL_X_FCT(x_num, data)   __attribute__((__naked__)) DSP32_SUB_END_KERNEL_X_FCT__(x_num, data)
#define	DSP32_SUB_END_KERNEL_X_FCT__(x_num, data)
#define	DSP32_SUBTRACTION_0(r_vect1, r_vect2, r_vect3)
#define	DSP32_SUBTRACTION_1(r_vect1, r_vect2, r_vect3)
#define	DSP32_SUBTRACTION_2(r_vect1, r_vect2, r_vect3)
#define	DSP32_SUBTRACTION_3(r_vect1, r_vect2, r_vect3)

Functions
void	dsp32_vect_sub (dsp32_t *vect1, dsp32_t *vect2, dsp32_t *vect3, int size)
	32-bit fixed point version of the vector subtraction function. More...
static int	dsp32_vect_sub_kernel_ext (dsp32_t *vect1, dsp32_t *vect2, dsp32_t *vect3, int size)
	avr32-uc3 32-bit version More...

#define ASM_INSTRUCT_COMPACKED

(

str

)

str

Referenced by dsp32_vect_sub_kernel_ext().

#define ASM_INSTRUCT_EXTENDED

(

str

)

str

#define DSP32_SUB_END_KERNEL_X_FCT	(		x_num,
			data
	)		__attribute__((__naked__)) DSP32_SUB_END_KERNEL_X_FCT__(x_num, data)

#define DSP32_SUB_END_KERNEL_X_FCT__	(		x_num,
			data
	)

Value:

static void TPASTE2(dsp32_vect_sub_end_kernel_x, x_num)(dsp32_t *vect1, dsp32_t *vect2, dsp32_t *vect3) \
{ \
  __asm__ __volatile__ ( \
    "pushm  r0-r7, lr\n\t" \
    TPASTE2(DSP32_SUBTRACTION_, x_num)(r12, r11, r10) \
    "popm  r0-r7, pc\n\t" \
  ); \
}

#define DSP32_SUBTRACTION_0	(		r_vect1,
			r_vect2,
			r_vect3
	)

#define DSP32_SUBTRACTION_1	(		r_vect1,
			r_vect2,
			r_vect3
	)

Value:

"ld.w  r2, "ASTRINGZ(r_vect2)"[0x0]\n\t" \
        "ld.w  r3, "ASTRINGZ(r_vect3)"[0x0]\n\t" \
\
        "sub    r1, r2, r3\n\t" \
        "st.w   "ASTRINGZ(r_vect1)"[0x0], r1\n\t"

#define DSP32_SUBTRACTION_2	(		r_vect1,
			r_vect2,
			r_vect3
	)

Value:

"ld.d   r0, "ASTRINGZ(r_vect2)"[0x0]\n\t" \
        "ld.d   r2, "ASTRINGZ(r_vect3)"[0x0]\n\t" \
\
        "sub    r5, r1, r3\n\t" \
        "sub    r4, r0, r2\n\t" \
        "st.d  "ASTRINGZ(r_vect1)"[0x0], r4\n\t"

#define DSP32_SUBTRACTION_3	(		r_vect1,
			r_vect2,
			r_vect3
	)

Value:

"ld.d   r0, "ASTRINGZ(r_vect2)"[0x0]\n\t" \
        "ld.d   r2, "ASTRINGZ(r_vect3)"[0x0]\n\t" \
\
        "sub    r5, r1, r3\n\t" \
        "sub    r4, r0, r2\n\t" \
        "st.d  "ASTRINGZ(r_vect1)"[0x0], r4\n\t" \
\
        "ld.w  r2, "ASTRINGZ(r_vect2)"[0x8]\n\t" \
        "ld.w  r3, "ASTRINGZ(r_vect3)"[0x8]\n\t" \
\
        "sub    r1, r2, r3\n\t" \
        "st.w   "ASTRINGZ(r_vect1)"[0x8], r1\n\t"

static int dsp32_vect_sub_kernel_ext ( dsp32_t *  vect1, dsp32_t *  vect2, dsp32_t *  vect3, int  size  )

static

avr32-uc3 32-bit version

References ASM_INSTRUCT_COMPACKED.

Referenced by dsp32_vect_sub().