diff options
| author | Greg Kroah-Hartman <gregkh@suse.de> | 2009-08-25 22:07:13 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-09-15 12:02:16 -0700 |
| commit | c8b3953c4c267133ed3276d7b052282dca1e2e91 (patch) | |
| tree | d484e1f16174e13378b84495a93e4c0cb9ed7eef /drivers/staging/echo | |
| parent | 325e3b4c72ba1aaca7ceba4cac22173b1e7ae427 (diff) | |
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>
Diffstat (limited to 'drivers/staging/echo')
| -rw-r--r-- | drivers/staging/echo/fir.h | 39 |
1 files changed, 3 insertions, 36 deletions
diff --git a/drivers/staging/echo/fir.h b/drivers/staging/echo/fir.h index 2c182fe8ddc..4910b3b9226 100644 --- a/drivers/staging/echo/fir.h +++ b/drivers/staging/echo/fir.h @@ -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], |