From b7a513372bf9d81bad5b00568aa1daec13054d34 Mon Sep 17 00:00:00 2001
From: Kenneth Heafield <github@kheafield.com>
Date: Wed, 18 Nov 2020 18:16:07 +0000
Subject: Guard cpuid.h for emscripten

---
 intgemm/intgemm.h | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/intgemm/intgemm.h b/intgemm/intgemm.h
index e89f9ff..a354b60 100644
--- a/intgemm/intgemm.h
+++ b/intgemm/intgemm.h
@@ -49,11 +49,14 @@
 #include "avx512_gemm.h"
 #include "avx512vnni_gemm.h"
 
-#if defined(__INTEL_COMPILER)
+#if defined(__EMSCRIPTEN__)
+// No header for CPUID since it's hard-coded.
+#elif defined(__INTEL_COMPILER)
 #include <immintrin.h>
 #elif defined(_MSC_VER)
 #include <intrin.h>
-#elif defined(__GNUC__) || defined(__clang__)
+#else
+// Assume GCC and clang style.
 #include <cpuid.h>
 #endif
 
@@ -177,7 +180,7 @@ template <class T> T ChooseCPU(T
 #endif
     ) {
 #if defined(__EMSCRIPTEN__)
-  // emscripten is always ssse3.
+  // emscripten does SSE4.1 but we only use up to SSSE3.
   return ssse3;
 #elif defined(__INTEL_COMPILER)
 #  ifdef INTGEMM_COMPILER_SUPPORTS_AVX512VNNI
-- 
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