From b5ac3839e18524524fa3e0da7ec68dbce16e8203 Mon Sep 17 00:00:00 2001 From: Wim Taymans Date: Mon, 7 Sep 2009 17:21:21 +0200 Subject: x86: only install some functions when SSE2 Remap and volume functions use SSE2 instructions so only install them when SSE2 is present. --- src/pulsecore/remap_sse.c | 9 +++++---- src/pulsecore/svolume_sse.c | 10 ++++++---- 2 files changed, 11 insertions(+), 8 deletions(-) (limited to 'src/pulsecore') diff --git a/src/pulsecore/remap_sse.c b/src/pulsecore/remap_sse.c index bf22df7c..dac072ec 100644 --- a/src/pulsecore/remap_sse.c +++ b/src/pulsecore/remap_sse.c @@ -102,7 +102,7 @@ "4: \n\t" #if defined (__i386__) || defined (__amd64__) -static void remap_mono_to_stereo_sse (pa_remap_t *m, void *dst, const void *src, unsigned n) { +static void remap_mono_to_stereo_sse2 (pa_remap_t *m, void *dst, const void *src, unsigned n) { pa_reg_x86 temp, temp2; switch (*m->format) { @@ -132,7 +132,7 @@ static void remap_mono_to_stereo_sse (pa_remap_t *m, void *dst, const void *src, } /* set the function that will execute the remapping based on the matrices */ -static void init_remap_sse (pa_remap_t *m) { +static void init_remap_sse2 (pa_remap_t *m) { unsigned n_oc, n_ic; n_oc = m->o_ss->channels; @@ -141,7 +141,7 @@ static void init_remap_sse (pa_remap_t *m) { /* find some common channel remappings, fall back to full matrix operation. */ if (n_ic == 1 && n_oc == 2 && m->map_table_f[0][0] >= 1.0 && m->map_table_f[1][0] >= 1.0) { - m->do_remap = (pa_do_remap_func_t) remap_mono_to_stereo_sse; + m->do_remap = (pa_do_remap_func_t) remap_mono_to_stereo_sse2; pa_log_info("Using SSE mono to stereo remapping"); } } @@ -151,6 +151,7 @@ void pa_remap_func_init_sse (pa_cpu_x86_flag_t flags) { #if defined (__i386__) || defined (__amd64__) pa_log_info("Initialising SSE optimized remappers."); - pa_set_init_remap_func ((pa_init_remap_func_t) init_remap_sse); + if (flags & PA_CPU_X86_SSE2) + pa_set_init_remap_func ((pa_init_remap_func_t) init_remap_sse2); #endif /* defined (__i386__) || defined (__amd64__) */ } diff --git a/src/pulsecore/svolume_sse.c b/src/pulsecore/svolume_sse.c index 54af4a57..d9dcf476 100644 --- a/src/pulsecore/svolume_sse.c +++ b/src/pulsecore/svolume_sse.c @@ -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; @@ -155,7 +155,7 @@ pa_volume_s16ne_sse (int16_t *samples, int32_t *volumes, unsigned channels, unsi } 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; @@ -308,7 +308,9 @@ void pa_volume_func_init_sse (pa_cpu_x86_flag_t flags) { 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_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__) */ } -- cgit