Fix vec_zero_copy when src == dst

Fixes 3 / 2 returning 0 in node #90
ish-app · Jun 26, 2020 · 65aca71 · 65aca71
1 parent 25a77a8
commit 65aca71
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/emu/vec.c b/emu/vec.c
@@ -11,8 +11,8 @@ static inline void zero_xmm(union xmm_reg *xmm) {
 
 #define VEC_ZERO_COPY(zero, copy) \
     void vec_zero##zero##_copy##copy(NO_CPU, const void *src, void *dst) { \
-        memset(dst, 0, zero/8); \
         memcpy(dst, src, copy/8); \
+        memset((char *) dst + copy/8, 0, (zero-copy)/8); \
     }
 VEC_ZERO_COPY(128, 128)
 VEC_ZERO_COPY(128, 64)

diff --git a/emu/vec_noasan.c b/emu/vec_noasan.c
@@ -0,0 +1,6 @@
+#include <math.h>
+#include <string.h>
+
+#include "emu/vec.h"
+#include "emu/cpu.h"
+