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-rw-r--r--src/pulsecore/macro.h11
-rw-r--r--src/pulsecore/remap_mmx.c2
2 files changed, 13 insertions, 0 deletions
diff --git a/src/pulsecore/macro.h b/src/pulsecore/macro.h
index ce88c1b9..87684ad3 100644
--- a/src/pulsecore/macro.h
+++ b/src/pulsecore/macro.h
@@ -157,6 +157,17 @@ static inline size_t PA_PAGE_ALIGN(size_t l) {
#define PA_ROUND_DOWN(a, b) (((a) / (b)) * (b))
#endif
+#ifdef __GNUC__
+#define PA_CLIP_SUB(a, b) \
+ __extension__ ({ \
+ typeof(a) _a = (a); \
+ typeof(b) _b = (b); \
+ _a > _b ? _a - _b : 0; \
+ })
+#else
+#define PA_CLIP_SUB(a, b) ((a) > (b) ? (a) - (b) : 0)
+#endif
+
/* This type is not intended to be used in exported APIs! Use classic "int" there! */
#ifdef HAVE_STD_BOOL
typedef _Bool pa_bool_t;
diff --git a/src/pulsecore/remap_mmx.c b/src/pulsecore/remap_mmx.c
index bfcae6c5..00252dac 100644
--- a/src/pulsecore/remap_mmx.c
+++ b/src/pulsecore/remap_mmx.c
@@ -95,6 +95,7 @@
"4: \n\t" \
" emms \n\t"
+#if defined (__i386__) || defined (__amd64__)
static void remap_mono_to_stereo_mmx (pa_remap_t *m, void *dst, const void *src, unsigned n) {
pa_reg_x86 temp;
@@ -138,6 +139,7 @@ static void init_remap_mmx (pa_remap_t *m) {
pa_log_info("Using MMX mono to stereo remapping");
}
}
+#endif /* defined (__i386__) || defined (__amd64__) */
void pa_remap_func_init_mmx (pa_cpu_x86_flag_t flags) {
#if defined (__i386__) || defined (__amd64__)