Enabled aarch64, thanks to Gabriel Hojda

Bug-1610814-Fix-NEON-compile-error-with-gcc-and-RGB-.patch

@@ -0,0 +1,36 @@
+From: Andrew Osmond <aosmond@mozilla.com>
+Date: Wed, 22 Jan 2020 15:19:20 +0000
+Subject: Bug 1610814 - Fix NEON compile error with gcc and RGB unpacking.
+ r=lsalzman
+
+This patch makes us use the correct intrinsic for loading a uint8x16
+register. It is not entirely clear why clang accepts this without
+complaint but beyond the types, it should be equivalent.
+
+Differential Revision: https://phabricator.services.mozilla.com/D60667
+---
+ gfx/2d/SwizzleNEON.cpp | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/gfx/2d/SwizzleNEON.cpp b/gfx/2d/SwizzleNEON.cpp
+index 6b34f76cab1..63f211ff294 100644
+--- a/gfx/2d/SwizzleNEON.cpp
++++ b/gfx/2d/SwizzleNEON.cpp
+@@ -412,7 +412,7 @@ void UnpackRowRGB24_NEON(const uint8_t* aSrc, uint8_t* aDst, int32_t aLength) {
+   src -= 4 * 3;
+   dst -= 4 * 4;
+   while (src >= aSrc) {
+-    uint8x16_t px = vld1q_u16(reinterpret_cast<const uint16_t*>(src));
++    uint8x16_t px = vld1q_u8(src);
+     // G2R2B1G1 R1B0G0R0 -> X1R1G1B1 X0R0G0B0
+     uint8x8_t pxlo = vtbl1_u8(vget_low_u8(px), masklo);
+     // B3G3R3B2 G2R2B1G1 -> X3R3G3B3 X2R2G2B2
+@@ -420,7 +420,7 @@ void UnpackRowRGB24_NEON(const uint8_t* aSrc, uint8_t* aDst, int32_t aLength) {
+         vtbl1_u8(vext_u8(vget_low_u8(px), vget_high_u8(px), 4), maskhi);
+     px = vcombine_u8(pxlo, pxhi);
+     px = vorrq_u8(px, alpha);
+-    vst1q_u16(reinterpret_cast<uint16_t*>(dst), px);
++    vst1q_u8(dst, px);
+     src -= 4 * 3;
+     dst -= 4 * 4;
+   }

firefox.spec

@@ -9,7 +9,7 @@
 # Disabled due to https://pagure.io/fedora-infrastructure/issue/7581
 ExcludeArch: s390x
 # Disabled due to neon build error
-ExcludeArch: aarch64
+# ExcludeArch: aarch64
 
 %global enable_mozilla_crashreporter 0
 %ifarch x86_64 %{ix86}
@@ -113,7 +113,7 @@ ExcludeArch: aarch64
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
 Version:        73.0.1
-Release:        3%{?dist}
+Release:        4%{?dist}
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Source0:        https://archive.mozilla.org/pub/firefox/releases/%{version}%{?pre_version}/source/firefox-%{version}%{?pre_version}.source.tar.xz
@@ -157,6 +157,7 @@ Patch46:        firefox-nss-version.patch
 Patch47:        fedora-shebang-build.patch
 Patch48:        build-arm-wasm.patch
 Patch49:        build-arm-libaom.patch
+Patch50:        Bug-1610814-Fix-NEON-compile-error-with-gcc-and-RGB-.patch
 
 # Fedora specific patches
 Patch215:        firefox-enable-addons.patch
@@ -357,6 +358,7 @@ This package contains results of tests executed during build.
 %patch47 -p1 -b .fedora-shebang
 %patch48 -p1 -b .build-arm-wasm
 %patch49 -p1 -b .build-arm-libaom
+%patch50 -p1 -b .build-arm-SwizzleNEON
 
 # Fedora patches
 %patch215 -p1 -b .addons
@@ -969,7 +971,7 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
-* Mon Feb 24 2020 Martin Stransky <stransky@redhat.com> - 73.0.1-3
+* Mon Feb 24 2020 Martin Stransky <stransky@redhat.com> - 73.0.1-4
 - Update pipewire patch for Fedora 32
 - Added armv7hl fixes by Gabriel Hojda