#include <config.h>
#endif
-#include <pulse/timeval.h>
#include <pulse/rtclock.h>
#include <pulsecore/random.h>
#include <pulsecore/macro.h>
-#include <pulsecore/g711.h>
-#include <pulsecore/core-util.h>
+#include <pulsecore/endianmacros.h>
#include "cpu-x86.h"
#include "sample-util.h"
-#include "endianmacros.h"
-#if defined (__i386__) || defined (__amd64__)
+#if (!defined(__FreeBSD__) && defined (__i386__)) || defined (__amd64__)
#define VOLUME_32x16(s,v) /* .. | vh | vl | */ \
" pxor %%xmm4, %%xmm4 \n\t" /* .. | 0 | 0 | */ \
" por %%xmm4, "#s1" \n\t" /* .. | l h | */ \
" por %%xmm5, "#s2" \n\t"
-static void
-pa_volume_s16ne_sse2 (int16_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
+static int channel_overread_table[8] = {8,8,8,12,8,10,12,14};
+
+static void pa_volume_s16ne_sse2(int16_t *samples, const int32_t *volumes, unsigned channels, unsigned length) {
pa_reg_x86 channel, temp;
- /* the max number of samples we process at a time, this is also the max amount
- * we overread the volume array, which should have enough padding. */
- channels = PA_MAX (8U, channels);
+ /* Channels must be at least 8 and always a multiple of the original number.
+ * This is also the max amount we overread the volume array, which should
+ * have enough padding. */
+ if (channels < 8)
+ channels = channel_overread_table[channels];
__asm__ __volatile__ (
" xor %3, %3 \n\t"
" test $1, %2 \n\t" /* check for odd samples */
" je 2f \n\t"
- " movd (%1, %3, 4), %%xmm0 \n\t" /* | v0h | v0l | */
+ " movd (%q1, %3, 4), %%xmm0 \n\t" /* | v0h | v0l | */
" movw (%0), %w4 \n\t" /* .. | p0 | */
" movd %4, %%xmm1 \n\t"
VOLUME_32x16 (%%xmm1, %%xmm0)
" je 4f \n\t"
"3: \n\t" /* do samples in groups of 2 */
- " movq (%1, %3, 4), %%xmm0 \n\t" /* | v1h | v1l | v0h | v0l | */
+ " movq (%q1, %3, 4), %%xmm0 \n\t" /* | v1h | v1l | v0h | v0l | */
" movd (%0), %%xmm1 \n\t" /* .. | p1 | p0 | */
VOLUME_32x16 (%%xmm1, %%xmm0)
" movd %%xmm0, (%0) \n\t" /* .. | p1*v1 | p0*v0 | */
* that the array is 16 bytes aligned, we probably have to do the odd values
* after this then. */
"5: \n\t" /* do samples in groups of 4 */
- " movdqu (%1, %3, 4), %%xmm0 \n\t" /* | v3h | v3l .. v0h | v0l | */
+ " movdqu (%q1, %3, 4), %%xmm0 \n\t" /* | v3h | v3l .. v0h | v0l | */
" movq (%0), %%xmm1 \n\t" /* .. | p3 .. p0 | */
VOLUME_32x16 (%%xmm1, %%xmm0)
" movq %%xmm0, (%0) \n\t" /* .. | p3*v3 .. p0*v0 | */
" je 8f \n\t"
"7: \n\t" /* do samples in groups of 8 */
- " movdqu (%1, %3, 4), %%xmm0 \n\t" /* | v3h | v3l .. v0h | v0l | */
- " movdqu 16(%1, %3, 4), %%xmm2 \n\t" /* | v7h | v7l .. v4h | v4l | */
+ " movdqu (%q1, %3, 4), %%xmm0 \n\t" /* | v3h | v3l .. v0h | v0l | */
+ " movdqu 16(%q1, %3, 4), %%xmm2 \n\t" /* | v7h | v7l .. v4h | v4l | */
" movq (%0), %%xmm1 \n\t" /* .. | p3 .. p0 | */
" movq 8(%0), %%xmm3 \n\t" /* .. | p7 .. p4 | */
VOLUME_32x16 (%%xmm1, %%xmm0)
"8: \n\t"
: "+r" (samples), "+r" (volumes), "+r" (length), "=D" (channel), "=&r" (temp)
- : "rm" ((pa_reg_x86)channels)
+#if defined (__i386__)
+ : "m" (channels)
+#else
+ : "r" ((pa_reg_x86)channels)
+#endif
: "cc"
);
}
-static void
-pa_volume_s16re_sse2 (int16_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
+static void pa_volume_s16re_sse2(int16_t *samples, const int32_t *volumes, unsigned channels, unsigned length) {
pa_reg_x86 channel, temp;
- /* the max number of samples we process at a time, this is also the max amount
- * we overread the volume array, which should have enough padding. */
- channels = PA_MAX (8U, channels);
+ /* Channels must be at least 8 and always a multiple of the original number.
+ * This is also the max amount we overread the volume array, which should
+ * have enough padding. */
+ if (channels < 8)
+ channels = channel_overread_table[channels];
__asm__ __volatile__ (
" xor %3, %3 \n\t"
" test $1, %2 \n\t" /* check for odd samples */
" je 2f \n\t"
- " movd (%1, %3, 4), %%xmm0 \n\t" /* | v0h | v0l | */
+ " movd (%q1, %3, 4), %%xmm0 \n\t" /* | v0h | v0l | */
" movw (%0), %w4 \n\t" /* .. | p0 | */
" rorw $8, %w4 \n\t"
" movd %4, %%xmm1 \n\t"
" je 4f \n\t"
"3: \n\t" /* do samples in groups of 2 */
- " movq (%1, %3, 4), %%xmm0 \n\t" /* | v1h | v1l | v0h | v0l | */
+ " movq (%q1, %3, 4), %%xmm0 \n\t" /* | v1h | v1l | v0h | v0l | */
" movd (%0), %%xmm1 \n\t" /* .. | p1 | p0 | */
SWAP_16 (%%xmm1)
VOLUME_32x16 (%%xmm1, %%xmm0)
* that the array is 16 bytes aligned, we probably have to do the odd values
* after this then. */
"5: \n\t" /* do samples in groups of 4 */
- " movdqu (%1, %3, 4), %%xmm0 \n\t" /* | v3h | v3l .. v0h | v0l | */
+ " movdqu (%q1, %3, 4), %%xmm0 \n\t" /* | v3h | v3l .. v0h | v0l | */
" movq (%0), %%xmm1 \n\t" /* .. | p3 .. p0 | */
SWAP_16 (%%xmm1)
VOLUME_32x16 (%%xmm1, %%xmm0)
" je 8f \n\t"
"7: \n\t" /* do samples in groups of 8 */
- " movdqu (%1, %3, 4), %%xmm0 \n\t" /* | v3h | v3l .. v0h | v0l | */
- " movdqu 16(%1, %3, 4), %%xmm2 \n\t" /* | v7h | v7l .. v4h | v4l | */
+ " movdqu (%q1, %3, 4), %%xmm0 \n\t" /* | v3h | v3l .. v0h | v0l | */
+ " movdqu 16(%q1, %3, 4), %%xmm2 \n\t" /* | v7h | v7l .. v4h | v4l | */
" movq (%0), %%xmm1 \n\t" /* .. | p3 .. p0 | */
" movq 8(%0), %%xmm3 \n\t" /* .. | p7 .. p4 | */
SWAP_16_2 (%%xmm1, %%xmm3)
"8: \n\t"
: "+r" (samples), "+r" (volumes), "+r" (length), "=D" (channel), "=&r" (temp)
- : "rm" ((pa_reg_x86)channels)
+#if defined (__i386__)
+ : "m" (channels)
+#else
+ : "r" ((pa_reg_x86)channels)
+#endif
: "cc"
);
}
-#undef RUN_TEST
-
-#ifdef RUN_TEST
-#define CHANNELS 2
-#define SAMPLES 1021
-#define TIMES 1000
-#define PADDING 16
-
-static void run_test (void) {
- int16_t samples[SAMPLES];
- int16_t samples_ref[SAMPLES];
- int16_t samples_orig[SAMPLES];
- int32_t volumes[CHANNELS + PADDING];
- int i, j, padding;
- pa_do_volume_func_t func;
- pa_usec_t start, stop;
-
- func = pa_get_volume_func (PA_SAMPLE_S16NE);
-
- printf ("checking SSE2 %zd\n", sizeof (samples));
-
- pa_random (samples, sizeof (samples));
- memcpy (samples_ref, samples, sizeof (samples));
- memcpy (samples_orig, samples, sizeof (samples));
-
- for (i = 0; i < CHANNELS; i++)
- volumes[i] = rand() >> 1;
- for (padding = 0; padding < PADDING; padding++, i++)
- volumes[i] = volumes[padding];
-
- func (samples_ref, volumes, CHANNELS, sizeof (samples));
- pa_volume_s16ne_sse2 (samples, volumes, CHANNELS, sizeof (samples));
- for (i = 0; i < SAMPLES; i++) {
- if (samples[i] != samples_ref[i]) {
- printf ("%d: %04x != %04x (%04x * %04x)\n", i, samples[i], samples_ref[i],
- samples_orig[i], volumes[i % CHANNELS]);
- }
- }
-
- start = pa_rtclock_now();
- for (j = 0; j < TIMES; j++) {
- memcpy (samples, samples_orig, sizeof (samples));
- pa_volume_s16ne_sse2 (samples, volumes, CHANNELS, sizeof (samples));
- }
- stop = pa_rtclock_now();
- pa_log_info("SSE: %llu usec.", (long long unsigned int)(stop - start));
-
- start = pa_rtclock_now();
- for (j = 0; j < TIMES; j++) {
- memcpy (samples_ref, samples_orig, sizeof (samples));
- func (samples_ref, volumes, CHANNELS, sizeof (samples));
- }
- stop = pa_rtclock_now();
- pa_log_info("ref: %llu usec.", (long long unsigned int)(stop - start));
-
- pa_assert_se(memcmp(samples_ref, samples, sizeof(samples)) == 0);
-}
-#endif
-#endif /* defined (__i386__) || defined (__amd64__) */
-
-void pa_volume_func_init_sse (pa_cpu_x86_flag_t flags) {
-#if defined (__i386__) || defined (__amd64__)
-
-#ifdef RUN_TEST
- run_test ();
-#endif
+#endif /* (!defined(__FreeBSD__) && defined (__i386__)) || defined (__amd64__) */
+void pa_volume_func_init_sse(pa_cpu_x86_flag_t flags) {
+#if (!defined(__FreeBSD__) && defined (__i386__)) || defined (__amd64__)
if (flags & PA_CPU_X86_SSE2) {
- pa_log_info("Initialising SSE2 optimized functions.");
+ pa_log_info("Initialising SSE2 optimized volume functions.");
- pa_set_volume_func (PA_SAMPLE_S16NE, (pa_do_volume_func_t) pa_volume_s16ne_sse2);
- pa_set_volume_func (PA_SAMPLE_S16RE, (pa_do_volume_func_t) pa_volume_s16re_sse2);
+ pa_set_volume_func(PA_SAMPLE_S16NE, (pa_do_volume_func_t) pa_volume_s16ne_sse2);
+ pa_set_volume_func(PA_SAMPLE_S16RE, (pa_do_volume_func_t) pa_volume_s16re_sse2);
}
-#endif /* defined (__i386__) || defined (__amd64__) */
+#endif /* (!defined(__FreeBSD__) && defined (__i386__)) || defined (__amd64__) */
}