altos: Add 64x64 multiply. Test 64 ops for dest same as either source

The test change is to ensure that the destination may be one of the 64
bit sources.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/src/core/ao_int64.h b/src/core/ao_int64.h
index 93aa87e4..e5eee823 100644
--- a/src/core/ao_int64.h
+++ b/src/core/ao_int64.h
@@ -26,14 +26,19 @@ typedef struct {
 } ao_int64_t;
 
 void ao_plus64(ao_int64_t *r, ao_int64_t *a, ao_int64_t *b);
+void ao_neg64(ao_int64_t *r, ao_int64_t *a);
+void ao_lshift64_16(ao_int64_t *r, uint16_t a, uint8_t d);
 void ao_rshift64(ao_int64_t *r, ao_int64_t *a, uint8_t d);
 void ao_lshift64(ao_int64_t *r, ao_int64_t *a, uint8_t d);
-void ao_mul64(ao_int64_t *r, int32_t a, int32_t b);
-void ao_mul64_16(ao_int64_t *r, ao_int64_t *a, uint16_t b);
+void ao_mul64_64_64(ao_int64_t *r, ao_int64_t *a, ao_int64_t *b);
+void ao_mul64_32_32(ao_int64_t *r, int32_t a, int32_t b);
+void ao_mul64_64_16(ao_int64_t *r, ao_int64_t *a, uint16_t b);
 
 #define ao_int64_init32(r, a) (((r)->high = 0), (r)->low = (a))
 #define ao_int64_init64(r, a, b) (((r)->high = (a)), (r)->low = (b))
 
 #define ao_cast64(a) (((int64_t) (a)->high << 32) | (a)->low)
 
+#define ao_int64_negativep(a)	(((int32_t) (a)->high) < 0)
+
 #endif /* _AO_INT64_H_ */