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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
+3
-36
+3
-36
drivers/staging/echo/fir.h
+3
-36
drivers/staging/echo/fir.h
···
102
102
fir->taps = taps;
103
103
fir->curr_pos = taps - 1;
104
104
fir->coeffs = coeffs;
105
-
#if defined(USE_SSE2) || defined(__bfin__)
105
+
#if defined(__bfin__)
106
106
fir->history = kcalloc(2 * taps, sizeof(int16_t), GFP_KERNEL);
107
107
#else
108
108
fir->history = kcalloc(taps, sizeof(int16_t), GFP_KERNEL);
···
112
112
113
113
static inline void fir16_flush(struct fir16_state_t *fir)
114
114
{
115
-
#if defined(USE_SSE2) || defined(__bfin__)
115
+
#if defined(__bfin__)
116
116
memset(fir->history, 0, 2 * fir->taps * sizeof(int16_t));
117
117
#else
118
118
memset(fir->history, 0, fir->taps * sizeof(int16_t));
···
154
154
static inline int16_t fir16(struct fir16_state_t *fir, int16_t sample)
155
155
{
156
156
int32_t y;
157
-
#if defined(USE_SSE2)
158
-
int i;
159
-
union xmm_t *xmm_coeffs;
160
-
union xmm_t *xmm_hist;
161
-
162
-
fir->history[fir->curr_pos] = sample;
163
-
fir->history[fir->curr_pos + fir->taps] = sample;
164
-
165
-
xmm_coeffs = (union xmm_t *)fir->coeffs;
166
-
xmm_hist = (union xmm_t *)&fir->history[fir->curr_pos];
167
-
i = fir->taps;
168
-
pxor_r2r(xmm4, xmm4);
169
-
/* 16 samples per iteration, so the filter must be a multiple of 16 long. */
170
-
while (i > 0) {
171
-
movdqu_m2r(xmm_coeffs[0], xmm0);
172
-
movdqu_m2r(xmm_coeffs[1], xmm2);
173
-
movdqu_m2r(xmm_hist[0], xmm1);
174
-
movdqu_m2r(xmm_hist[1], xmm3);
175
-
xmm_coeffs += 2;
176
-
xmm_hist += 2;
177
-
pmaddwd_r2r(xmm1, xmm0);
178
-
pmaddwd_r2r(xmm3, xmm2);
179
-
paddd_r2r(xmm0, xmm4);
180
-
paddd_r2r(xmm2, xmm4);
181
-
i -= 16;
182
-
}
183
-
movdqa_r2r(xmm4, xmm0);
184
-
psrldq_i2r(8, xmm0);
185
-
paddd_r2r(xmm0, xmm4);
186
-
movdqa_r2r(xmm4, xmm0);
187
-
psrldq_i2r(4, xmm0);
188
-
paddd_r2r(xmm0, xmm4);
189
-
movd_r2m(xmm4, y);
190
-
#elif defined(__bfin__)
157
+
#if defined(__bfin__)
191
158
fir->history[fir->curr_pos] = sample;
192
159
fir->history[fir->curr_pos + fir->taps] = sample;
193
160
y = dot_asm((int16_t *) fir->coeffs, &fir->history[fir->curr_pos],