1 files changed, 46 insertions, 0 deletions
diff --git a/community/firefox/b3d8b08265b800165d684281d19ac845a8ff9a66.patch b/community/firefox/b3d8b08265b800165d684281d19ac845a8ff9a66.patch
new file mode 100644
index 0000000000..873f4c3ad4
--- /dev/null
+++ b/community/firefox/b3d8b08265b800165d684281d19ac845a8ff9a66.patch
@@ -0,0 +1,46 @@
+
+# HG changeset patch
+# User Andrew Osmond <aosmond@mozilla.com>
+# Date 1579706360 0
+# Node ID b3d8b08265b800165d684281d19ac845a8ff9a66
+# Parent  50c371b37a9fcd994a5866db73bd0d078e19f95d
+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
+
+diff --git a/gfx/2d/SwizzleNEON.cpp b/gfx/2d/SwizzleNEON.cpp
+--- a/gfx/2d/SwizzleNEON.cpp
++++ b/gfx/2d/SwizzleNEON.cpp
+@@ -407,25 +407,25 @@ void UnpackRowRGB24_NEON(const uint8_t* 
+   }
+ 
+   uint8x16_t alpha = vreinterpretq_u8_u32(vdupq_n_u32(0xFF000000));
+ 
+   // Process all 4-pixel chunks as one vector.
+   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
+     uint8x8_t pxhi =
+         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;
+   }
+ }
+ 
+ // Force instantiation of swizzle variants here.
+ template void UnpackRowRGB24_NEON<false>(const uint8_t*, uint8_t*, int32_t);
+ template void UnpackRowRGB24_NEON<true>(const uint8_t*, uint8_t*, int32_t);
+