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[metatoy] / src / util.h

diff --git a/src/util.h b/src/util.h
index 0ec72f3..2e8c1d8 100644 (file)
--- a/src/util.h
+++ b/src/util.h
@@ -48,6 +48,24 @@ extern uint32_t perf_start_count, perf_interval_count;
                        : "flags", "memory"); \
        } while(0)
 
+/*
+#define memset32(dest, val, count) \
+       asm volatile ( \
+               "cld\n\t" \
+               "rep stosl\n\t" \
+               :: "a"(val), "c"(count), "D"(dest) \
+               : "flags", "memory")
+*/
+#define memset32(dest, val, count) \
+       do { \
+               int i; \
+               uint32_t *ptr = (uint32_t*)dest; \
+               for(i=0; i<count; i++) { \
+                       ptr[i] = val; \
+               } \
+       } while(0)
+
+
 #ifdef USE_MMX
 #define memcpy64(dest, src, count) asm volatile ( \
        "0:\n\t" \