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-rw-r--r--k9decmpeg/mmx.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/k9decmpeg/mmx.h b/k9decmpeg/mmx.h
index a410caa..01943de 100644
--- a/k9decmpeg/mmx.h
+++ b/k9decmpeg/mmx.h
@@ -27,6 +27,9 @@
* values by ULL, lest they be truncated by the compiler)
*/
+#ifndef MMX_H
+#define MMX_H
+
typedef union {
long long q; /* Quadword (64-bit) value */
unsigned long long uq; /* Unsigned Quadword */
@@ -261,3 +264,5 @@ typedef union {
#define pshufw_r2r(regs,regd,imm) mmx_r2ri(pshufw, regs, regd, imm)
#define sfence() __asm__ __volatile__ ("sfence\n\t")
+
+#endif /* MMX_H */