Staging: echo: remove unneeded USE_SSE2 defines
This define is never set in the kernel, so remove the code using it. Cc: David Rowe <david@rowetel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Родитель
325e3b4c72
Коммит
c8b3953c4c
|
@ -102,7 +102,7 @@ static inline const int16_t *fir16_create(struct fir16_state_t *fir,
|
|||
fir->taps = taps;
|
||||
fir->curr_pos = taps - 1;
|
||||
fir->coeffs = coeffs;
|
||||
#if defined(USE_SSE2) || defined(__bfin__)
|
||||
#if defined(__bfin__)
|
||||
fir->history = kcalloc(2 * taps, sizeof(int16_t), GFP_KERNEL);
|
||||
#else
|
||||
fir->history = kcalloc(taps, sizeof(int16_t), GFP_KERNEL);
|
||||
|
@ -112,7 +112,7 @@ static inline const int16_t *fir16_create(struct fir16_state_t *fir,
|
|||
|
||||
static inline void fir16_flush(struct fir16_state_t *fir)
|
||||
{
|
||||
#if defined(USE_SSE2) || defined(__bfin__)
|
||||
#if defined(__bfin__)
|
||||
memset(fir->history, 0, 2 * fir->taps * sizeof(int16_t));
|
||||
#else
|
||||
memset(fir->history, 0, fir->taps * sizeof(int16_t));
|
||||
|
@ -154,40 +154,7 @@ static inline int32_t dot_asm(short *x, short *y, int len)
|
|||
static inline int16_t fir16(struct fir16_state_t *fir, int16_t sample)
|
||||
{
|
||||
int32_t y;
|
||||
#if defined(USE_SSE2)
|
||||
int i;
|
||||
union xmm_t *xmm_coeffs;
|
||||
union xmm_t *xmm_hist;
|
||||
|
||||
fir->history[fir->curr_pos] = sample;
|
||||
fir->history[fir->curr_pos + fir->taps] = sample;
|
||||
|
||||
xmm_coeffs = (union xmm_t *)fir->coeffs;
|
||||
xmm_hist = (union xmm_t *)&fir->history[fir->curr_pos];
|
||||
i = fir->taps;
|
||||
pxor_r2r(xmm4, xmm4);
|
||||
/* 16 samples per iteration, so the filter must be a multiple of 16 long. */
|
||||
while (i > 0) {
|
||||
movdqu_m2r(xmm_coeffs[0], xmm0);
|
||||
movdqu_m2r(xmm_coeffs[1], xmm2);
|
||||
movdqu_m2r(xmm_hist[0], xmm1);
|
||||
movdqu_m2r(xmm_hist[1], xmm3);
|
||||
xmm_coeffs += 2;
|
||||
xmm_hist += 2;
|
||||
pmaddwd_r2r(xmm1, xmm0);
|
||||
pmaddwd_r2r(xmm3, xmm2);
|
||||
paddd_r2r(xmm0, xmm4);
|
||||
paddd_r2r(xmm2, xmm4);
|
||||
i -= 16;
|
||||
}
|
||||
movdqa_r2r(xmm4, xmm0);
|
||||
psrldq_i2r(8, xmm0);
|
||||
paddd_r2r(xmm0, xmm4);
|
||||
movdqa_r2r(xmm4, xmm0);
|
||||
psrldq_i2r(4, xmm0);
|
||||
paddd_r2r(xmm0, xmm4);
|
||||
movd_r2m(xmm4, y);
|
||||
#elif defined(__bfin__)
|
||||
#if defined(__bfin__)
|
||||
fir->history[fir->curr_pos] = sample;
|
||||
fir->history[fir->curr_pos + fir->taps] = sample;
|
||||
y = dot_asm((int16_t *) fir->coeffs, &fir->history[fir->curr_pos],
|
||||
|
|
Загрузка…
Ссылка в новой задаче