X-Git-Url: https://bearssl.org/gitweb//home/git/?p=BearSSL;a=blobdiff_plain;f=src%2Fconfig.h;h=b06807b1c9a8dba45db10a5058c078c67c7e08b2;hp=c315a53a884395eb8d70841c5facb4ca01442e01;hb=24c6f09bf83015e04e16666e8a5fb66e75967e0d;hpb=90bc9406c31e03d09b3d835c3cbabfec83f4e94d

diff --git a/src/config.h b/src/config.h
index c315a53..b06807b 100644
--- a/src/config.h
+++ b/src/config.h
@@ -162,6 +162,16 @@
 #define BR_AES_X86NI   1
  */
 
+/*
+ * When BR_SSE2 is enabled, SSE2 intrinsics will be used for some
+ * algorithm implementations that use them (e.g. chacha20_sse2). If this
+ * is not enabled explicitly, then support for SSE2 intrinsics will be
+ * automatically detected. If set explicitly to 0, then SSE2 code will
+ * not be compiled at all.
+ *
+#define BR_SSE2   1
+ */
+
 /*
  * When BR_POWER8 is enabled, the AES implementation using the POWER ISA
  * 2.07 opcodes (available on POWER8 processors and later) is compiled.