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authorGreg Kroah-Hartman <gregkh@suse.de>2009-08-26 09:07:13 +0400
committerGreg Kroah-Hartman <gregkh@suse.de>2009-09-15 23:02:16 +0400
commitc8b3953c4c267133ed3276d7b052282dca1e2e91 (patch)
treed484e1f16174e13378b84495a93e4c0cb9ed7eef /drivers/staging/echo
parent325e3b4c72ba1aaca7ceba4cac22173b1e7ae427 (diff)
downloadlinux-c8b3953c4c267133ed3276d7b052282dca1e2e91.tar.xz
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.h39
1 files changed, 3 insertions, 36 deletions
diff --git a/drivers/staging/echo/fir.h b/drivers/staging/echo/fir.h
index 2c182fe8ddcd..4910b3b9226f 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],