[gentoo-commits] repo/gentoo:master commit in: www-client/chromium/files/, www-client/chromium/

[Stephan Hartmann]

commit:     b2ffd5b5e35dea8fd3c9dc8ab89bc20133024cdc
Author:     Stephan Hartmann <sultan <AT> gentoo <DOT> org>
AuthorDate: Mon Oct  4 20:57:33 2021 +0000
Commit:     Stephan Hartmann <sultan <AT> gentoo <DOT> org>
CommitDate: Mon Oct  4 20:58:26 2021 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=b2ffd5b5

www-client/chromium: fix building without AVX2

Closes: https://bugs.gentoo.org/815487
Package-Manager: Portage-3.0.20, Repoman-3.0.3
Signed-off-by: Stephan Hartmann <sultan <AT> gentoo.org>

 www-client/chromium/chromium-95.0.4638.32.ebuild   |   3 +
 www-client/chromium/chromium-96.0.4655.0.ebuild    |   3 +
 .../chromium/files/chromium-95-eigen-avx-1.patch   | 229 +++++++++++++++++++++
 .../chromium/files/chromium-95-eigen-avx-2.patch   |  30 +++
 .../chromium/files/chromium-95-eigen-avx-3.patch   |  44 ++++
 5 files changed, 309 insertions(+)

diff --git a/www-client/chromium/chromium-95.0.4638.32.ebuild b/www-client/chromium/chromium-95.0.4638.32.ebuild
index 15e8a266530..96e6f24a0b1 100644
--- a/www-client/chromium/chromium-95.0.4638.32.ebuild
+++ b/www-client/chromium/chromium-95.0.4638.32.ebuild
@@ -234,6 +234,9 @@ src_prepare() {
 		"${FILESDIR}/chromium-93-EnumTable-crash.patch"
 		"${FILESDIR}/chromium-93-InkDropHost-crash.patch"
 		"${FILESDIR}/chromium-95-maldoca-zlib.patch"
+		"${FILESDIR}/chromium-95-eigen-avx-1.patch"
+		"${FILESDIR}/chromium-95-eigen-avx-2.patch"
+		"${FILESDIR}/chromium-95-eigen-avx-3.patch"
 		"${FILESDIR}/chromium-use-oauth2-client-switches-as-default.patch"
 		"${FILESDIR}/chromium-shim_headers.patch"
 	)

diff --git a/www-client/chromium/chromium-96.0.4655.0.ebuild b/www-client/chromium/chromium-96.0.4655.0.ebuild
index 15e18722e20..d53a4e5b63b 100644
--- a/www-client/chromium/chromium-96.0.4655.0.ebuild
+++ b/www-client/chromium/chromium-96.0.4655.0.ebuild
@@ -233,6 +233,9 @@ src_prepare() {
 		"${WORKDIR}/patches"
 		"${FILESDIR}/chromium-93-EnumTable-crash.patch"
 		"${FILESDIR}/chromium-93-InkDropHost-crash.patch"
+		"${FILESDIR}/chromium-95-eigen-avx-1.patch"
+		"${FILESDIR}/chromium-95-eigen-avx-2.patch"
+		"${FILESDIR}/chromium-95-eigen-avx-3.patch"
 		"${FILESDIR}/chromium-use-oauth2-client-switches-as-default.patch"
 		"${FILESDIR}/chromium-shim_headers.patch"
 	)

diff --git a/www-client/chromium/files/chromium-95-eigen-avx-1.patch b/www-client/chromium/files/chromium-95-eigen-avx-1.patch
new file mode 100644
index 00000000000..21d520cc4d4
--- /dev/null
+++ b/www-client/chromium/files/chromium-95-eigen-avx-1.patch
@@ -0,0 +1,229 @@
+From 3d4ba855e014987cad86d62a8dff533492255695 Mon Sep 17 00:00:00 2001
+From: Antonio Sanchez <cantonios@××××××.com>
+Date: Wed, 1 Sep 2021 14:11:21 -0700
+Subject: [PATCH] Fix AVX integer packet issues.
+
+Most are instances of AVX2 functions not protected by
+`EIGEN_VECTORIZE_AVX2`.  There was also a missing semi-colon
+for AVX512.
+---
+ Eigen/src/Core/arch/AVX/PacketMath.h    | 83 ++++++++++++++++++-------
+ Eigen/src/Core/arch/AVX512/PacketMath.h |  6 +-
+ 2 files changed, 63 insertions(+), 26 deletions(-)
+
+diff --git a/third_party/eigen3/src/Eigen/src/Core/arch/AVX/PacketMath.h b/third_party/eigen3/src/Eigen/src/Core/arch/AVX/PacketMath.h
+index dc1a1d6b0..247ee4efd 100644
+--- a/third_party/eigen3/src/Eigen/src/Core/arch/AVX/PacketMath.h
++++ b/third_party/eigen3/src/Eigen/src/Core/arch/AVX/PacketMath.h
+@@ -262,10 +262,6 @@ template<> EIGEN_STRONG_INLINE Packet4d peven_mask(const Packet4d& /*a*/) { retu
+ template<> EIGEN_STRONG_INLINE Packet8f pload1<Packet8f>(const float*  from) { return _mm256_broadcast_ss(from); }
+ template<> EIGEN_STRONG_INLINE Packet4d pload1<Packet4d>(const double* from) { return _mm256_broadcast_sd(from); }
+ 
+-template<> EIGEN_STRONG_INLINE Packet8f plset<Packet8f>(const float& a) { return _mm256_add_ps(_mm256_set1_ps(a), _mm256_set_ps(7.0,6.0,5.0,4.0,3.0,2.0,1.0,0.0)); }
+-template<> EIGEN_STRONG_INLINE Packet4d plset<Packet4d>(const double& a) { return _mm256_add_pd(_mm256_set1_pd(a), _mm256_set_pd(3.0,2.0,1.0,0.0)); }
+-template<> EIGEN_STRONG_INLINE Packet8i plset<Packet8i>(const int& a) { return _mm256_add_epi32(_mm256_set1_epi32(a), _mm256_set_epi32(7,6,5,4,3,2,1,0)); }
+-
+ template<> EIGEN_STRONG_INLINE Packet8f padd<Packet8f>(const Packet8f& a, const Packet8f& b) { return _mm256_add_ps(a,b); }
+ template<> EIGEN_STRONG_INLINE Packet4d padd<Packet4d>(const Packet4d& a, const Packet4d& b) { return _mm256_add_pd(a,b); }
+ template<> EIGEN_STRONG_INLINE Packet8i padd<Packet8i>(const Packet8i& a, const Packet8i& b) {
+@@ -278,6 +274,10 @@ template<> EIGEN_STRONG_INLINE Packet8i padd<Packet8i>(const Packet8i& a, const
+ #endif
+ }
+ 
++template<> EIGEN_STRONG_INLINE Packet8f plset<Packet8f>(const float& a) { return padd(pset1(a), _mm256_set_ps(7.0,6.0,5.0,4.0,3.0,2.0,1.0,0.0)); }
++template<> EIGEN_STRONG_INLINE Packet4d plset<Packet4d>(const double& a) { return padd(pset1(a), _mm256_set_pd(3.0,2.0,1.0,0.0)); }
++template<> EIGEN_STRONG_INLINE Packet8i plset<Packet8i>(const int& a) { return padd(pset1(a), _mm256_set_epi32(7,6,5,4,3,2,1,0)); }
++
+ template<> EIGEN_STRONG_INLINE Packet8f psub<Packet8f>(const Packet8f& a, const Packet8f& b) { return _mm256_sub_ps(a,b); }
+ template<> EIGEN_STRONG_INLINE Packet4d psub<Packet4d>(const Packet4d& a, const Packet4d& b) { return _mm256_sub_pd(a,b); }
+ template<> EIGEN_STRONG_INLINE Packet8i psub<Packet8i>(const Packet8i& a, const Packet8i& b) {
+@@ -300,7 +300,7 @@ template<> EIGEN_STRONG_INLINE Packet4d pnegate(const Packet4d& a)
+ }
+ template<> EIGEN_STRONG_INLINE Packet8i pnegate(const Packet8i& a)
+ {
+-  return _mm256_sub_epi32(_mm256_set1_epi32(0), a);
++  return psub(pzero(a), a);
+ }
+ 
+ template<> EIGEN_STRONG_INLINE Packet8f pconj(const Packet8f& a) { return a; }
+@@ -419,7 +419,13 @@ template<> EIGEN_STRONG_INLINE Packet4d pmin<Packet4d>(const Packet4d& a, const
+ #endif
+ }
+ template<> EIGEN_STRONG_INLINE Packet8i pmin<Packet8i>(const Packet8i& a, const Packet8i& b) {
++#ifdef EIGEN_VECTORIZE_AVX2
+   return _mm256_min_epi32(a, b);
++#else
++  __m128i lo = _mm_min_epi32(_mm256_extractf128_si256(a, 0), _mm256_extractf128_si256(b, 0));
++  __m128i hi = _mm_min_epi32(_mm256_extractf128_si256(a, 1), _mm256_extractf128_si256(b, 1));
++  return _mm256_insertf128_si256(_mm256_castsi128_si256(lo), (hi), 1);
++#endif
+ }
+ 
+ template<> EIGEN_STRONG_INLINE Packet8f pmax<Packet8f>(const Packet8f& a, const Packet8f& b) {
+@@ -445,7 +451,13 @@ template<> EIGEN_STRONG_INLINE Packet4d pmax<Packet4d>(const Packet4d& a, const
+ #endif
+ }
+ template<> EIGEN_STRONG_INLINE Packet8i pmax<Packet8i>(const Packet8i& a, const Packet8i& b) {
++#ifdef EIGEN_VECTORIZE_AVX2
+   return _mm256_max_epi32(a, b);
++#else
++  __m128i lo = _mm_max_epi32(_mm256_extractf128_si256(a, 0), _mm256_extractf128_si256(b, 0));
++  __m128i hi = _mm_max_epi32(_mm256_extractf128_si256(a, 1), _mm256_extractf128_si256(b, 1));
++  return _mm256_insertf128_si256(_mm256_castsi128_si256(lo), (hi), 1);
++#endif
+ }
+ 
+ // Add specializations for min/max with prescribed NaN progation.
+@@ -641,17 +653,25 @@ template<> EIGEN_STRONG_INLINE Packet8f ploaddup<Packet8f>(const float* from)
+   // then we can perform a consistent permutation on the global register to get everything in shape:
+   return  _mm256_permute_ps(tmp, _MM_SHUFFLE(3,3,2,2));
+ }
+-// Loads 2 doubles from memory a returns the packet {a0, a0  a1, a1}
++// Loads 2 doubles from memory a returns the packet {a0, a0, a1, a1}
+ template<> EIGEN_STRONG_INLINE Packet4d ploaddup<Packet4d>(const double* from)
+ {
+   Packet4d tmp = _mm256_broadcast_pd((const __m128d*)(const void*)from);
+   return  _mm256_permute_pd(tmp, 3<<2);
+ }
+-// Loads 4 integers from memory a returns the packet {a0, a0  a1, a1, a2, a2, a3, a3}
++// Loads 4 integers from memory a returns the packet {a0, a0, a1, a1, a2, a2, a3, a3}
+ template<> EIGEN_STRONG_INLINE Packet8i ploaddup<Packet8i>(const int* from)
+ {
+-  Packet8i a = _mm256_castsi128_si256(pload<Packet4i>(from));
++#ifdef EIGEN_VECTORIZE_AVX2
++  const Packet8i a = _mm256_castsi128_si256(pload<Packet4i>(from));
+   return _mm256_permutevar8x32_epi32(a, _mm256_setr_epi32(0, 0, 1, 1, 2, 2, 3, 3));
++#else
++  __m256 tmp = _mm256_broadcast_ps((const __m128*)(const void*)from);
++  // mimic an "inplace" permutation of the lower 128bits using a blend
++  tmp = _mm256_blend_ps(tmp,_mm256_castps128_ps256(_mm_permute_ps( _mm256_castps256_ps128(tmp), _MM_SHUFFLE(1,0,1,0))), 15);
++  // then we can perform a consistent permutation on the global register to get everything in shape:
++  return  _mm256_castps_si256(_mm256_permute_ps(tmp, _MM_SHUFFLE(3,3,2,2)));
++#endif
+ }
+ 
+ // Loads 2 floats from memory a returns the packet {a0, a0  a0, a0, a1, a1, a1, a1}
+@@ -662,7 +682,7 @@ template<> EIGEN_STRONG_INLINE Packet8f ploadquad<Packet8f>(const float* from)
+ }
+ template<> EIGEN_STRONG_INLINE Packet8i ploadquad<Packet8i>(const int* from)
+ {
+-  return _mm256_inserti128_si256(_mm256_set1_epi32(*from), _mm_set1_epi32(*(from+1)), 1);
++  return _mm256_insertf128_si256(_mm256_set1_epi32(*from), _mm_set1_epi32(*(from+1)), 1);
+ }
+ 
+ template<> EIGEN_STRONG_INLINE void pstore<float>(float*   to, const Packet8f& from) { EIGEN_DEBUG_ALIGNED_STORE _mm256_store_ps(to, from); }
+@@ -723,13 +743,13 @@ template<> EIGEN_DEVICE_FUNC inline void pscatter<double, Packet4d>(double* to,
+ }
+ template<> EIGEN_DEVICE_FUNC inline void pscatter<int, Packet8i>(int* to, const Packet8i& from, Index stride)
+ {
+-  __m128i low = _mm256_extracti128_si256(from, 0);
++  __m128i low = _mm256_extractf128_si256(from, 0);
+   to[stride*0] = _mm_extract_epi32(low, 0);
+   to[stride*1] = _mm_extract_epi32(low, 1);
+   to[stride*2] = _mm_extract_epi32(low, 2);
+   to[stride*3] = _mm_extract_epi32(low, 3);
+ 
+-  __m128i high = _mm256_extracti128_si256(from, 1);
++  __m128i high = _mm256_extractf128_si256(from, 1);
+   to[stride*4] = _mm_extract_epi32(high, 0);
+   to[stride*5] = _mm_extract_epi32(high, 1);
+   to[stride*6] = _mm_extract_epi32(high, 2);
+@@ -803,7 +823,13 @@ template<> EIGEN_STRONG_INLINE Packet4d pabs(const Packet4d& a)
+ }
+ template<> EIGEN_STRONG_INLINE Packet8i pabs(const Packet8i& a)
+ {
++#ifdef EIGEN_VECTORIZE_AVX2
+   return _mm256_abs_epi32(a);
++#else
++  __m128i lo = _mm_abs_epi32(_mm256_extractf128_si256(a, 0));
++  __m128i hi = _mm_abs_epi32(_mm256_extractf128_si256(a, 1));
++  return _mm256_insertf128_si256(_mm256_castsi128_si256(lo), (hi), 1);
++#endif
+ }
+ 
+ template<> EIGEN_STRONG_INLINE Packet8f pfrexp<Packet8f>(const Packet8f& a, Packet8f& exponent) {
+@@ -989,16 +1015,27 @@ ptranspose(PacketBlock<Packet8f,4>& kernel) {
+ #define MM256_SHUFFLE_EPI32(A, B, M) \
+   _mm256_castps_si256(_mm256_shuffle_ps(_mm256_castsi256_ps(A), _mm256_castsi256_ps(B), M))
+ 
++#ifdef EIGEN_VECTORIZE_AVX2
++#define MM256_UNPACKLO_EPI32(A, B) \
++  _mm256_castps_si256(_mm256_unpacklo_ps(_mm256_castsi256_ps(A), _mm256_castsi256_ps(B)))
++#define MM256_UNPACKHI_EPI32(A, B) \
++  _mm256_castps_si256(_mm256_unpackhi_ps(_mm256_castsi256_ps(A), _mm256_castsi256_ps(B)))
++#else
++#define MM256_UNPACKLO_EPI32(A, B) _mm256_unpacklo_ps(A, B)
++#define MM256_UNPACKHI_EPI32(A, B) _mm256_unpackhi_ps(A, B)
++#endif
++
++
+ EIGEN_DEVICE_FUNC inline void
+ ptranspose(PacketBlock<Packet8i,8>& kernel) {
+-  __m256i T0 = _mm256_unpacklo_epi32(kernel.packet[0], kernel.packet[1]);
+-  __m256i T1 = _mm256_unpackhi_epi32(kernel.packet[0], kernel.packet[1]);
+-  __m256i T2 = _mm256_unpacklo_epi32(kernel.packet[2], kernel.packet[3]);
+-  __m256i T3 = _mm256_unpackhi_epi32(kernel.packet[2], kernel.packet[3]);
+-  __m256i T4 = _mm256_unpacklo_epi32(kernel.packet[4], kernel.packet[5]);
+-  __m256i T5 = _mm256_unpackhi_epi32(kernel.packet[4], kernel.packet[5]);
+-  __m256i T6 = _mm256_unpacklo_epi32(kernel.packet[6], kernel.packet[7]);
+-  __m256i T7 = _mm256_unpackhi_epi32(kernel.packet[6], kernel.packet[7]);
++  __m256i T0 = MM256_UNPACKLO_EPI32(kernel.packet[0], kernel.packet[1]);
++  __m256i T1 = MM256_UNPACKHI_EPI32(kernel.packet[0], kernel.packet[1]);
++  __m256i T2 = MM256_UNPACKLO_EPI32(kernel.packet[2], kernel.packet[3]);
++  __m256i T3 = MM256_UNPACKHI_EPI32(kernel.packet[2], kernel.packet[3]);
++  __m256i T4 = MM256_UNPACKLO_EPI32(kernel.packet[4], kernel.packet[5]);
++  __m256i T5 = MM256_UNPACKHI_EPI32(kernel.packet[4], kernel.packet[5]);
++  __m256i T6 = MM256_UNPACKLO_EPI32(kernel.packet[6], kernel.packet[7]);
++  __m256i T7 = MM256_UNPACKHI_EPI32(kernel.packet[6], kernel.packet[7]);
+   __m256i S0 = MM256_SHUFFLE_EPI32(T0,T2,_MM_SHUFFLE(1,0,1,0));
+   __m256i S1 = MM256_SHUFFLE_EPI32(T0,T2,_MM_SHUFFLE(3,2,3,2));
+   __m256i S2 = MM256_SHUFFLE_EPI32(T1,T3,_MM_SHUFFLE(1,0,1,0));
+@@ -1019,10 +1056,10 @@ ptranspose(PacketBlock<Packet8i,8>& kernel) {
+ 
+ EIGEN_DEVICE_FUNC inline void
+ ptranspose(PacketBlock<Packet8i,4>& kernel) {
+-  __m256i T0 = _mm256_unpacklo_epi32(kernel.packet[0], kernel.packet[1]);
+-  __m256i T1 = _mm256_unpackhi_epi32(kernel.packet[0], kernel.packet[1]);
+-  __m256i T2 = _mm256_unpacklo_epi32(kernel.packet[2], kernel.packet[3]);
+-  __m256i T3 = _mm256_unpackhi_epi32(kernel.packet[2], kernel.packet[3]);
++  __m256i T0 = MM256_UNPACKLO_EPI32(kernel.packet[0], kernel.packet[1]);
++  __m256i T1 = MM256_UNPACKHI_EPI32(kernel.packet[0], kernel.packet[1]);
++  __m256i T2 = MM256_UNPACKLO_EPI32(kernel.packet[2], kernel.packet[3]);
++  __m256i T3 = MM256_UNPACKHI_EPI32(kernel.packet[2], kernel.packet[3]);
+ 
+   __m256i S0 = MM256_SHUFFLE_EPI32(T0,T2,_MM_SHUFFLE(1,0,1,0));
+   __m256i S1 = MM256_SHUFFLE_EPI32(T0,T2,_MM_SHUFFLE(3,2,3,2));
+diff --git a/third_party/eigen3/src/Eigen/src/Core/arch/AVX512/PacketMath.h b/third_party/eigen3/src/Eigen/src/Core/arch/AVX512/PacketMath.h
+index 6ce15c677..0810f66ee 100644
+--- a/third_party/eigen3/src/Eigen/src/Core/arch/AVX512/PacketMath.h
++++ b/third_party/eigen3/src/Eigen/src/Core/arch/AVX512/PacketMath.h
+@@ -1028,7 +1028,7 @@ template<> EIGEN_STRONG_INLINE Packet8d pldexp<Packet8d>(const Packet8d& a, cons
+ 
+ // AVX512F does not define _mm512_extracti32x8_epi32 to extract _m256i from _m512i
+ #define EIGEN_EXTRACT_8i_FROM_16i(INPUT, OUTPUT)                           \
+-  __m256i OUTPUT##_0 = _mm512_extracti32x8_epi32(INPUT, 0)                 \
++  __m256i OUTPUT##_0 = _mm512_extracti32x8_epi32(INPUT, 0);                \
+   __m256i OUTPUT##_1 = _mm512_extracti32x8_epi32(INPUT, 1) 
+ #else
+ #define EIGEN_EXTRACT_8f_FROM_16f(INPUT, OUTPUT)                \
+@@ -1037,7 +1037,7 @@ template<> EIGEN_STRONG_INLINE Packet8d pldexp<Packet8d>(const Packet8d& a, cons
+       _mm512_extractf32x4_ps(INPUT, 1), 1);                     \
+   __m256 OUTPUT##_1 = _mm256_insertf128_ps(                     \
+       _mm256_castps128_ps256(_mm512_extractf32x4_ps(INPUT, 2)), \
+-      _mm512_extractf32x4_ps(INPUT, 3), 1);
++      _mm512_extractf32x4_ps(INPUT, 3), 1)
+ 
+ #define EIGEN_EXTRACT_8i_FROM_16i(INPUT, OUTPUT)                    \
+   __m256i OUTPUT##_0 = _mm256_insertf128_si256(                     \
+@@ -1045,7 +1045,7 @@ template<> EIGEN_STRONG_INLINE Packet8d pldexp<Packet8d>(const Packet8d& a, cons
+       _mm512_extracti32x4_epi32(INPUT, 1), 1);                      \
+   __m256i OUTPUT##_1 = _mm256_insertf128_si256(                     \
+       _mm256_castsi128_si256(_mm512_extracti32x4_epi32(INPUT, 2)),  \
+-      _mm512_extracti32x4_epi32(INPUT, 3), 1);
++      _mm512_extracti32x4_epi32(INPUT, 3), 1)
+ #endif
+ 
+ #ifdef EIGEN_VECTORIZE_AVX512DQ
+-- 
+GitLab
+

diff --git a/www-client/chromium/files/chromium-95-eigen-avx-2.patch b/www-client/chromium/files/chromium-95-eigen-avx-2.patch
new file mode 100644
index 00000000000..1cb8007b6a6
--- /dev/null
+++ b/www-client/chromium/files/chromium-95-eigen-avx-2.patch
@@ -0,0 +1,30 @@
+From def145547fc6abd14236e103b9443a36064f664f Mon Sep 17 00:00:00 2001
+From: Antonio Sanchez <cantonios@××××××.com>
+Date: Thu, 2 Sep 2021 16:21:07 -0700
+Subject: [PATCH] Add missing packet types in pset1 call.
+
+Oops, introduced this when "fixing" integer packets.
+---
+ Eigen/src/Core/arch/AVX/PacketMath.h | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/third_party/eigen3/src/Eigen/src/Core/arch/AVX/PacketMath.h b/third_party/eigen3/src/Eigen/src/Core/arch/AVX/PacketMath.h
+index 247ee4efd..8da9031dc 100644
+--- a/third_party/eigen3/src/Eigen/src/Core/arch/AVX/PacketMath.h
++++ b/third_party/eigen3/src/Eigen/src/Core/arch/AVX/PacketMath.h
+@@ -274,9 +274,9 @@ template<> EIGEN_STRONG_INLINE Packet8i padd<Packet8i>(const Packet8i& a, const
+ #endif
+ }
+ 
+-template<> EIGEN_STRONG_INLINE Packet8f plset<Packet8f>(const float& a) { return padd(pset1(a), _mm256_set_ps(7.0,6.0,5.0,4.0,3.0,2.0,1.0,0.0)); }
+-template<> EIGEN_STRONG_INLINE Packet4d plset<Packet4d>(const double& a) { return padd(pset1(a), _mm256_set_pd(3.0,2.0,1.0,0.0)); }
+-template<> EIGEN_STRONG_INLINE Packet8i plset<Packet8i>(const int& a) { return padd(pset1(a), _mm256_set_epi32(7,6,5,4,3,2,1,0)); }
++template<> EIGEN_STRONG_INLINE Packet8f plset<Packet8f>(const float& a) { return padd(pset1<Packet8f>(a), _mm256_set_ps(7.0,6.0,5.0,4.0,3.0,2.0,1.0,0.0)); }
++template<> EIGEN_STRONG_INLINE Packet4d plset<Packet4d>(const double& a) { return padd(pset1<Packet4d>(a), _mm256_set_pd(3.0,2.0,1.0,0.0)); }
++template<> EIGEN_STRONG_INLINE Packet8i plset<Packet8i>(const int& a) { return padd(pset1<Packet8i>(a), _mm256_set_epi32(7,6,5,4,3,2,1,0)); }
+ 
+ template<> EIGEN_STRONG_INLINE Packet8f psub<Packet8f>(const Packet8f& a, const Packet8f& b) { return _mm256_sub_ps(a,b); }
+ template<> EIGEN_STRONG_INLINE Packet4d psub<Packet4d>(const Packet4d& a, const Packet4d& b) { return _mm256_sub_pd(a,b); }
+-- 
+GitLab
+

diff --git a/www-client/chromium/files/chromium-95-eigen-avx-3.patch b/www-client/chromium/files/chromium-95-eigen-avx-3.patch
new file mode 100644
index 00000000000..44e9ef4e0ec
--- /dev/null
+++ b/www-client/chromium/files/chromium-95-eigen-avx-3.patch
@@ -0,0 +1,44 @@
+From 7792b1e909a98703181aecb8810b4b654004c25d Mon Sep 17 00:00:00 2001
+From: Antonio Sanchez <cantonios@××××××.com>
+Date: Fri, 3 Sep 2021 10:41:35 -0700
+Subject: [PATCH] Fix AVX2 PacketMath.h.
+
+There were a couple typos ps -> epi32, and an unaligned load issue.
+---
+ Eigen/src/Core/arch/AVX/PacketMath.h | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/third_party/eigen3/src/Eigen/src/Core/arch/AVX/PacketMath.h b/third_party/eigen3/src/Eigen/src/Core/arch/AVX/PacketMath.h
+index 8da9031dc..41cb7af9c 100644
+--- a/third_party/eigen3/src/Eigen/src/Core/arch/AVX/PacketMath.h
++++ b/third_party/eigen3/src/Eigen/src/Core/arch/AVX/PacketMath.h
+@@ -663,7 +663,7 @@ template<> EIGEN_STRONG_INLINE Packet4d ploaddup<Packet4d>(const double* from)
+ template<> EIGEN_STRONG_INLINE Packet8i ploaddup<Packet8i>(const int* from)
+ {
+ #ifdef EIGEN_VECTORIZE_AVX2
+-  const Packet8i a = _mm256_castsi128_si256(pload<Packet4i>(from));
++  const Packet8i a = _mm256_castsi128_si256(ploadu<Packet4i>(from));
+   return _mm256_permutevar8x32_epi32(a, _mm256_setr_epi32(0, 0, 1, 1, 2, 2, 3, 3));
+ #else
+   __m256 tmp = _mm256_broadcast_ps((const __m128*)(const void*)from);
+@@ -1015,14 +1015,14 @@ ptranspose(PacketBlock<Packet8f,4>& kernel) {
+ #define MM256_SHUFFLE_EPI32(A, B, M) \
+   _mm256_castps_si256(_mm256_shuffle_ps(_mm256_castsi256_ps(A), _mm256_castsi256_ps(B), M))
+ 
+-#ifdef EIGEN_VECTORIZE_AVX2
++#ifndef EIGEN_VECTORIZE_AVX2
+ #define MM256_UNPACKLO_EPI32(A, B) \
+   _mm256_castps_si256(_mm256_unpacklo_ps(_mm256_castsi256_ps(A), _mm256_castsi256_ps(B)))
+ #define MM256_UNPACKHI_EPI32(A, B) \
+   _mm256_castps_si256(_mm256_unpackhi_ps(_mm256_castsi256_ps(A), _mm256_castsi256_ps(B)))
+ #else
+-#define MM256_UNPACKLO_EPI32(A, B) _mm256_unpacklo_ps(A, B)
+-#define MM256_UNPACKHI_EPI32(A, B) _mm256_unpackhi_ps(A, B)
++#define MM256_UNPACKLO_EPI32(A, B) _mm256_unpacklo_epi32(A, B)
++#define MM256_UNPACKHI_EPI32(A, B) _mm256_unpackhi_epi32(A, B)
+ #endif
+ 
+ 
+-- 
+GitLab
+