graphics/blender: fix build on powerpc64le
/wrkdirs/usr/ports/graphics/blender/work/blender-5.0.1/source/blender/blenlib/intern/math_half.cc:275:15: error: unknown type name '__m128i'
275 | static inline __m128i srai_epi8_sse2(__m128i x, int imm)
| ^/wrkdirs/usr/ports/graphics/blender/work/blender-5.0.1/source/blender/blenlib/intern/math_half.cc:275:38: error: unknown type name '__m128i'
275 | static inline __m128i srai_epi8_sse2(__m128i x, int imm)
| ^/wrkdirs/usr/ports/graphics/blender/work/blender-5.0.1/source/blender/blenlib/intern/math_half.cc:278:5: error: unknown type name '__m128i'
278 | __m128i sign = _mm_cmpgt_epi8(_mm_setzero_si128(), x); // 0xFF where x < 0
| ^/wrkdirs/usr/ports/graphics/blender/work/blender-5.0.1/source/blender/blenlib/intern/math_half.cc:278:35: error: use of undeclared identifier '_mm_setzero_si128'
278 | __m128i sign = _mm_cmpgt_epi8(_mm_setzero_si128(), x); // 0xFF where x < 0
| ^/wrkdirs/usr/ports/graphics/blender/work/blender-5.0.1/source/blender/blenlib/intern/math_half.cc:279:5: error: unknown type name '__m128i'
279 | __m128i lo = _mm_unpacklo_epi8(x, sign);
| ^/wrkdirs/usr/ports/graphics/blender/work/blender-5.0.1/source/blender/blenlib/intern/math_half.cc:280:5: error: unknown type name '__m128i'
280 | __m128i hi = _mm_unpackhi_epi8(x, sign);
| ^/wrkdirs/usr/ports/graphics/blender/work/blender-5.0.1/source/blender/blenlib/intern/math_half.cc:290:15: error: unknown type name '__m128i'
290 | static inline __m128i blendv_epi8_sse2(__m128i a, __m128i b, __m128i mask)
| ^/wrkdirs/usr/ports/graphics/blender/work/blender-5.0.1/source/blender/blenlib/intern/math_half.cc:290:40: error: unknown type name '__m128i'
290 | static inline __m128i blendv_epi8_sse2(__m128i a, __m128i b, __m128i mask)
| ^/wrkdirs/usr/ports/graphics/blender/work/blender-5.0.1/source/blender/blenlib/intern/math_half.cc:290:51: error: unknown type name '__m128i'
290 | static inline __m128i blendv_epi8_sse2(__m128i a, __m128i b, __m128i mask)
| ^/wrkdirs/usr/ports/graphics/blender/work/blender-5.0.1/source/blender/blenlib/intern/math_half.cc:290:62: error: unknown type name '__m128i'
290 | static inline __m128i blendv_epi8_sse2(__m128i a, __m128i b, __m128i mask)
| ^10 errors generated.