chromium/chromium-83.0.4103.97-gcc10-aarch64-hack.patch
2020-06-18 13:47:14 -04:00

46 lines
2.4 KiB
Diff

diff -up chromium-83.0.4103.97/third_party/skia/include/private/SkVx.h.gcc10-aarch64-hack chromium-83.0.4103.97/third_party/skia/include/private/SkVx.h
--- chromium-83.0.4103.97/third_party/skia/include/private/SkVx.h.gcc10-aarch64-hack 2020-06-18 14:47:30.912177044 +0000
+++ chromium-83.0.4103.97/third_party/skia/include/private/SkVx.h 2020-06-18 14:51:08.230506417 +0000
@@ -141,6 +141,15 @@ static inline D bit_pun(const S& s) {
return d;
}
+// This is a hack to work around GCC PR95726
+template <typename D, typename S>
+static inline D bit_pun2(const S& s) {
+ static_assert(sizeof(D) == sizeof(S), "");
+ D d;
+ memcpy(&d, &s, sizeof(D));
+ return d;
+}
+
// Translate from a value type T to its corresponding Mask, the result of a comparison.
template <typename T> struct Mask { using type = T; };
template <> struct Mask<float > { using type = int32_t; };
@@ -554,9 +563,9 @@ static inline Vec<N,uint8_t> approx_scal
static inline Vec<4,float> if_then_else(const Vec<4,int >& c,
const Vec<4,float>& t,
const Vec<4,float>& e) {
- return bit_pun<Vec<4,float>>(vbslq_f32(bit_pun<uint32x4_t> (c),
- bit_pun<float32x4_t>(t),
- bit_pun<float32x4_t>(e)));
+ return bit_pun<Vec<4,float>>(vbslq_f32(bit_pun2<uint32x4_t> (c),
+ bit_pun2<float32x4_t>(t),
+ bit_pun2<float32x4_t>(e)));
}
#endif
@@ -581,9 +590,9 @@ static inline Vec<N,uint8_t> approx_scal
const Vec<4,float>& y,
const Vec<4,float>& z) {
// These instructions tend to work like z += xy, so the order here is z,x,y.
- return bit_pun<Vec<4,float>>(vfmaq_f32(bit_pun<float32x4_t>(z),
- bit_pun<float32x4_t>(x),
- bit_pun<float32x4_t>(y)));
+ return bit_pun<Vec<4,float>>(vfmaq_f32(bit_pun2<float32x4_t>(z),
+ bit_pun2<float32x4_t>(x),
+ bit_pun2<float32x4_t>(y)));
}
#endif