From 23873bfeb22b77bbbbddb425c3b87c59312554ee Mon Sep 17 00:00:00 2001
From: raisinten <raisinten@gmail.com>
Date: Wed, 30 Dec 2020 20:13:15 +0530
Subject: [PATCH 1/5] build: enable sse4.2 in zlib

Fixes: https://github.com/nodejs/node/issues/36678
---
 deps/zlib/contrib/optimizations/insert_string.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/deps/zlib/contrib/optimizations/insert_string.h b/deps/zlib/contrib/optimizations/insert_string.h
index 69eee3dc9e91fc..e4d23434b21882 100644
--- a/deps/zlib/contrib/optimizations/insert_string.h
+++ b/deps/zlib/contrib/optimizations/insert_string.h
@@ -16,6 +16,9 @@
 // clang-format off
 #if defined(CRC32_SIMD_SSE42_PCLMUL)
   /* Required to make MSVC bot build pass. */
+  // TODO(raisinten): When https://github.com/nodejs/node/pull/33044 lands,
+  // remove the next line and add `-msse4.2` to the command line options.
+  #pragma GCC target ("sse4.2")
   #include <smmintrin.h>
   #if defined(__GNUC__) || defined(__clang__)
     #undef TARGET_CPU_WITH_CRC

From c5e62b42f05cc7e3fe0e2617871f56b62d81bf68 Mon Sep 17 00:00:00 2001
From: raisinten <raisinten@gmail.com>
Date: Fri, 1 Jan 2021 19:47:07 +0530
Subject: [PATCH 2/5] build: enable ssse3 in zlib

Fixes: https://github.com/nodejs/node/issues/36678
---
 deps/zlib/adler32_simd.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/deps/zlib/adler32_simd.c b/deps/zlib/adler32_simd.c
index f8b07297b93840..1cd571bda52f2a 100644
--- a/deps/zlib/adler32_simd.c
+++ b/deps/zlib/adler32_simd.c
@@ -54,6 +54,9 @@
 #define __attribute__()
 #endif
 
+// TODO(raisinten): When https://github.com/nodejs/node/pull/33044 lands,
+// remove the next line and add `-mssse3` to the command line options.
+#pragma GCC target ("ssse3")
 #include <tmmintrin.h>
 
 __attribute__((target("ssse3")))

From b35ae3ba202e78081b1a37acbab774c01f87050d Mon Sep 17 00:00:00 2001
From: raisinten <raisinten@gmail.com>
Date: Fri, 1 Jan 2021 19:52:42 +0530
Subject: [PATCH 3/5] build: add TODO comments to add -msse2 for zlib

Refs: https://github.com/nodejs/node/pull/35679
---
 deps/zlib/contrib/optimizations/chunkcopy.h | 2 ++
 deps/zlib/fill_window_sse.c                 | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/deps/zlib/contrib/optimizations/chunkcopy.h b/deps/zlib/contrib/optimizations/chunkcopy.h
index 8bcdadad05a817..944942c8f1a17a 100644
--- a/deps/zlib/contrib/optimizations/chunkcopy.h
+++ b/deps/zlib/contrib/optimizations/chunkcopy.h
@@ -29,6 +29,8 @@
 #include <arm_neon.h>
 typedef uint8x16_t z_vec128i_t;
 #elif defined(INFLATE_CHUNK_SIMD_SSE2)
+// TODO(raisinten): When https://github.com/nodejs/node/pull/33044 lands,
+// remove the next line and add `-msse2` to the command line options.
 #pragma GCC target ("sse2")
 #include <emmintrin.h>
 typedef __m128i z_vec128i_t;
diff --git a/deps/zlib/fill_window_sse.c b/deps/zlib/fill_window_sse.c
index e19154bc14d238..8e5def24a36968 100644
--- a/deps/zlib/fill_window_sse.c
+++ b/deps/zlib/fill_window_sse.c
@@ -9,6 +9,8 @@
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
+// TODO(raisinten): When https://github.com/nodejs/node/pull/33044 lands,
+// remove the next line and add `-msse2` to the command line options.
 #pragma GCC target ("sse2")
 #include <immintrin.h>
 #include "deflate.h"

From 4289461a80dcc8f5d88a3e407006baee98e8a919 Mon Sep 17 00:00:00 2001
From: raisinten <raisinten@gmail.com>
Date: Sat, 2 Jan 2021 15:10:29 +0530
Subject: [PATCH 4/5] build: enable pclmul in zlib

---
 deps/zlib/crc32_simd.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/deps/zlib/crc32_simd.c b/deps/zlib/crc32_simd.c
index 27481847e97b90..d7ebe5d65ed705 100644
--- a/deps/zlib/crc32_simd.c
+++ b/deps/zlib/crc32_simd.c
@@ -20,6 +20,11 @@
  *  V. Gopal, E. Ozturk, et al., 2009, http://intel.ly/2ySEwL0
  */
 
+// TODO(raisinten): When https://github.com/nodejs/node/pull/33044 lands,
+// remove the next line and add `-msse4.2` and `-mpclmul` to the
+// command line options.
+#pragma GCC target ("sse4.2", "pclmul")
+
 #include <emmintrin.h>
 #include <smmintrin.h>
 #include <wmmintrin.h>

From bc657ec3f417631fd90300638f37113af31db31f Mon Sep 17 00:00:00 2001
From: raisinten <raisinten@gmail.com>
Date: Sat, 2 Jan 2021 18:46:24 +0530
Subject: [PATCH 5/5] build: enable sse4.2 and pclmul in zlib

---
 deps/zlib/crc_folding.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/deps/zlib/crc_folding.c b/deps/zlib/crc_folding.c
index 54f4b5c9401089..4e19626da5e9ad 100644
--- a/deps/zlib/crc_folding.c
+++ b/deps/zlib/crc_folding.c
@@ -18,6 +18,11 @@
 
 #include "deflate.h"
 
+// TODO(raisinten): When https://github.com/nodejs/node/pull/33044 lands,
+// remove the next line and add `-msse4.2` and `-mpclmul` to the
+// command line options.
+#pragma GCC target ("sse4.2", "pclmul")
+
 #include <inttypes.h>
 #include <emmintrin.h>
 #include <immintrin.h>