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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:
Greg Kroah-Hartman 2009-08-25 22:07:13 -07:00
parent 325e3b4c72
commit c8b3953c4c
1 changed files with 3 additions and 36 deletions
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39
drivers/staging/echo/fir.h
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@ -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],