From c83674433be5e89763eef28a30eca8c94d3899db Mon Sep 17 00:00:00 2001
From: Sergey Isupov <sergey.isupov@intel.com>
Date: Tue, 24 Nov 2015 14:37:03 +0300
Subject: [PATCH] Fix issue #1122

---
 ispc.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/ispc.cpp b/ispc.cpp
index b9e5b821..6e4292b5 100644
--- a/ispc.cpp
+++ b/ispc.cpp
@@ -478,6 +478,10 @@ Target::Target(const char *arch, const char *cpu, const char *isa, bool pic, boo
         }
     }
 
+    if (!strcasecmp(isa, "host")) {
+        isa = lGetSystemISA();
+    }
+
     if (isa == NULL) {
         // If a CPU was specified explicitly, try to pick the best
         // possible ISA based on that.
@@ -1130,7 +1134,7 @@ Target::SupportedArchs() {
 const char *
 Target::SupportedTargets() {
     return
-        "sse2-i32x4, sse2-i32x8, "
+        "host, sse2-i32x4, sse2-i32x8, "
         "sse4-i32x4, sse4-i32x8, sse4-i16x8, sse4-i8x16, "
         "avx1-i32x4, "
         "avx1-i32x8, avx1-i32x16, avx1-i64x4, "