X-Git-Url: https://www.bearssl.org/gitweb//home/git/?p=BearSSL;a=blobdiff_plain;f=src%2Finner.h;h=bcf61b04d9bc0dbd8feff5dff392d2e3313177b4;hp=47431c00b9411cedc96fbaae05c567da0a1fcb03;hb=5db2d48b128326704cd33aff56c8b46e463f3bf6;hpb=2f88a673049d1e183d1a8f78e2030bf02362b8bf

diff --git a/src/inner.h b/src/inner.h
index 47431c0..bcf61b0 100644
--- a/src/inner.h
+++ b/src/inner.h
@@ -209,6 +209,17 @@
 #endif
 #endif
 
+/*
+ * Detect support for 128-bit integers.
+ */
+#if !defined BR_INT128 && !defined BR_UMUL128
+#ifdef __SIZEOF_INT128__
+#define BR_INT128    1
+#elif _M_X64
+#define BR_UMUL128   1
+#endif
+#endif
+
 /* ==================================================================== */
 /*
  * Encoding/decoding functions.