diff options
Diffstat (limited to 'src/pulsecore/svolume_sse.c')
| -rw-r--r-- | src/pulsecore/svolume_sse.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/src/pulsecore/svolume_sse.c b/src/pulsecore/svolume_sse.c index 54af4a57..ab9394fb 100644 --- a/src/pulsecore/svolume_sse.c +++ b/src/pulsecore/svolume_sse.c @@ -45,7 +45,7 @@ " movdqa "#s", %%xmm5 \n\t" \ " pmulhuw "#v", "#s" \n\t" /* .. | 0 | vl*p0 | */ \ " psubd %%xmm4, "#s" \n\t" /* .. | 0 | vl*p0 | + sign correct */ \ - " psrld $16, "#v" \n\t" /* .. | p0 | 0 | */ \ + " psrld $16, "#v" \n\t" /* .. | 0 | vh | */ \ " pmaddwd %%xmm5, "#v" \n\t" /* .. | p0 * vh | */ \ " paddd "#s", "#v" \n\t" /* .. | p0 * v0 | */ \ " packssdw "#v", "#v" \n\t" /* .. | p1*v1 | p0*v0 | */ @@ -75,7 +75,7 @@ " por %%xmm5, "#s2" \n\t" static void -pa_volume_s16ne_sse (int16_t *samples, int32_t *volumes, unsigned channels, unsigned length) +pa_volume_s16ne_sse2 (int16_t *samples, int32_t *volumes, unsigned channels, unsigned length) { pa_reg_x86 channel, temp; @@ -149,13 +149,13 @@ pa_volume_s16ne_sse (int16_t *samples, int32_t *volumes, unsigned channels, unsi "8: \n\t" : "+r" (samples), "+r" (volumes), "+r" (length), "=D" (channel), "=&r" (temp) - : "r" ((pa_reg_x86)channels) + : "X" ((pa_reg_x86)channels) : "cc" ); } static void -pa_volume_s16re_sse (int16_t *samples, int32_t *volumes, unsigned channels, unsigned length) +pa_volume_s16re_sse2 (int16_t *samples, int32_t *volumes, unsigned channels, unsigned length) { pa_reg_x86 channel, temp; @@ -237,7 +237,7 @@ pa_volume_s16re_sse (int16_t *samples, int32_t *volumes, unsigned channels, unsi "8: \n\t" : "+r" (samples), "+r" (volumes), "+r" (length), "=D" (channel), "=&r" (temp) - : "r" ((pa_reg_x86)channels) + : "X" ((pa_reg_x86)channels) : "cc" ); } @@ -302,13 +302,16 @@ static void run_test (void) { void pa_volume_func_init_sse (pa_cpu_x86_flag_t flags) { #if defined (__i386__) || defined (__amd64__) - pa_log_info("Initialising SSE optimized functions."); #ifdef RUN_TEST run_test (); #endif - pa_set_volume_func (PA_SAMPLE_S16NE, (pa_do_volume_func_t) pa_volume_s16ne_sse); - pa_set_volume_func (PA_SAMPLE_S16RE, (pa_do_volume_func_t) pa_volume_s16re_sse); + if (flags & PA_CPU_X86_SSE2) { + pa_log_info("Initialising SSE2 optimized 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); + } #endif /* defined (__i386__) || defined (__amd64__) */ } |