chromium/0002-Highway-disable-128-bit-vsx.patch

Index: chromium-120.0.6099.71/third_party/highway/src/hwy/ops/ppc_vsx-inl.h
===================================================================
--- chromium-120.0.6099.71.orig/third_party/highway/src/hwy/ops/ppc_vsx-inl.h
+++ chromium-120.0.6099.71/third_party/highway/src/hwy/ops/ppc_vsx-inl.h
@@ -36,6 +36,8 @@
 
 #include "hwy/ops/shared-inl.h"
 
+#undef __SIZEOF_INT128__
+
 HWY_BEFORE_NAMESPACE();
 namespace hwy {
 namespace HWY_NAMESPACE {
@@ -2844,7 +2846,6 @@ struct CompressIsPartition {
 
 namespace detail {
 
-#if HWY_TARGET > HWY_PPC10 || __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__
 // fallback for missing vec_extractm
 template <size_t N>
 HWY_INLINE uint64_t ExtractSignBits(Vec128<uint8_t, N> sign_bits,
@@ -2857,22 +2858,16 @@ HWY_INLINE uint64_t ExtractSignBits(Vec1
   return extracted.raw[__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__];
 }
 
-#endif  // HWY_TARGET > HWY_PPC10
-
 template <typename T, size_t N>
 HWY_INLINE uint64_t BitsFromMask(hwy::SizeTag<1> /*tag*/,
                                  Mask128<T, N> mask) {
   const DFromM<decltype(mask)> d;
   const Repartition<uint8_t, decltype(d)> du8;
   const VFromD<decltype(du8)> sign_bits = BitCast(du8, VecFromMask(d, mask));
-#if HWY_TARGET <= HWY_PPC10 && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
-  return static_cast<uint64_t>(vec_extractm(sign_bits.raw));
-#else
   const __vector unsigned char kBitShuffle = {
     120, 112, 104, 96, 88, 80, 72, 64, 56, 48, 40, 32, 24, 16, 8, 0
   };
   return ExtractSignBits(sign_bits, kBitShuffle);
-#endif  // HWY_TARGET <= HWY_PPC10
 }
 
 template <typename T, size_t N>
@@ -2882,10 +2877,6 @@ HWY_INLINE uint64_t BitsFromMask(hwy::Si
   const Repartition<uint8_t, decltype(d)> du8;
   const VFromD<decltype(du8)> sign_bits = BitCast(du8, VecFromMask(d, mask));
 
-#if HWY_TARGET <= HWY_PPC10 && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
-  const RebindToUnsigned<decltype(d)> du;
-  return static_cast<uint64_t>(vec_extractm(BitCast(du, sign_bits).raw));
-#else
 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
   const __vector unsigned char kBitShuffle = {
     112, 96, 80, 64, 48, 32, 16, 0, 128, 128, 128, 128, 128, 128, 128, 128};
@@ -2894,7 +2885,6 @@ HWY_INLINE uint64_t BitsFromMask(hwy::Si
     128, 128, 128, 128, 128, 128, 128, 128, 112, 96, 80, 64, 48, 32, 16, 0};
 #endif
   return ExtractSignBits(sign_bits, kBitShuffle);
-#endif  // HWY_TARGET <= HWY_PPC10
 }
 
 template <typename T, size_t N>
@@ -2903,10 +2893,6 @@ HWY_INLINE uint64_t BitsFromMask(hwy::Si
   const DFromM<decltype(mask)> d;
   const Repartition<uint8_t, decltype(d)> du8;
   const VFromD<decltype(du8)> sign_bits = BitCast(du8, VecFromMask(d, mask));
-#if HWY_TARGET <= HWY_PPC10 && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
-  const RebindToUnsigned<decltype(d)> du;
-  return static_cast<uint64_t>(vec_extractm(BitCast(du, sign_bits).raw));
-#else
 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
   const __vector unsigned char kBitShuffle = {
     96, 64, 32, 0, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128};
@@ -2915,7 +2901,6 @@ HWY_INLINE uint64_t BitsFromMask(hwy::Si
      128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 96, 64, 32, 0};
 #endif
   return ExtractSignBits(sign_bits, kBitShuffle);
-#endif  // HWY_TARGET <= HWY_PPC10
 }
 
 template <typename T, size_t N>
@@ -2924,10 +2909,6 @@ HWY_INLINE uint64_t BitsFromMask(hwy::Si
   const DFromM<decltype(mask)> d;
   const Repartition<uint8_t, decltype(d)> du8;
   const VFromD<decltype(du8)> sign_bits = BitCast(du8, VecFromMask(d, mask));
-#if HWY_TARGET <= HWY_PPC10 && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
-  const RebindToUnsigned<decltype(d)> du;
-  return static_cast<uint64_t>(vec_extractm(BitCast(du, sign_bits).raw));
-#else
 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
   const __vector unsigned char kBitShuffle = {64,  0,   128, 128, 128, 128,
                                               128, 128, 128, 128, 128, 128,
@@ -2938,7 +2919,6 @@ HWY_INLINE uint64_t BitsFromMask(hwy::Si
                                               128, 128, 64,  0};
 #endif
   return ExtractSignBits(sign_bits, kBitShuffle);
-#endif  // HWY_TARGET <= HWY_PPC10
 }
 
 // Returns the lowest N of the mask bits.