x86/intreadwrite: add missing casts to pointer arguments

Should make strict compilers happy.

Also, make AV_COPY128 use integer operations while at it. Removing the
inclusion of immintrin.h ensures a lot less intrinsic related headers are
included as well, which fixes a clash of defines with some Clang versions.

Reviewed-by: Martin Storsjö <martin@martin.st>
Signed-off-by: James Almer <jamrial@gmail.com>

configure

@@ -2314,7 +2314,6 @@ HEADERS_LIST="
 
 INTRINSICS_LIST="
     intrinsics_neon
-    intrinsics_sse
     intrinsics_sse2
 "
 
@@ -2745,8 +2744,7 @@ armv6t2_deps="arm"
 armv8_deps="aarch64"
 neon_deps_any="aarch64 arm"
 intrinsics_neon_deps="neon"
-intrinsics_sse_deps="sse"
+intrinsics_sse2_deps="sse2"
-intrinsics_sse2_deps="sse2 intrinsics_sse"
 vfp_deps="arm"
 vfpv3_deps="vfp"
 setend_deps="arm"
@@ -6448,7 +6446,6 @@ elif enabled loongarch; then
 fi
 
 check_cc intrinsics_neon arm_neon.h "int16x8_t test = vdupq_n_s16(0)"
-check_cc intrinsics_sse immintrin.h "__m128 test = _mm_setzero_ps()"
 check_cc intrinsics_sse2 emmintrin.h "__m128i test = _mm_setzero_si128()"
 
 check_ldflags -Wl,--as-needed

libavutil/x86/intreadwrite.h

@@ -23,32 +23,25 @@
 
 #include <stdint.h>
 #include "config.h"
-#if HAVE_INTRINSICS_SSE && defined(__SSE__)
-#include <immintrin.h>
-#endif
 #if HAVE_INTRINSICS_SSE2 && defined(__SSE2__)
 #include <emmintrin.h>
 #endif
 #include "libavutil/attributes.h"
 
-#if HAVE_INTRINSICS_SSE && defined(__SSE__)
+#if HAVE_INTRINSICS_SSE2 && defined(__SSE2__)
 
 #define AV_COPY128 AV_COPY128
 static av_always_inline void AV_COPY128(void *d, const void *s)
 {
-    __m128 tmp = _mm_load_ps(s);
+    __m128i tmp = _mm_load_si128((const __m128i *)s);
-    _mm_store_ps(d, tmp);
+    _mm_store_si128((__m128i *)d, tmp);
 }
 
-#endif /* HAVE_INTRINSICS_SSE && defined(__SSE__) */
-
-#if HAVE_INTRINSICS_SSE2 && defined(__SSE2__)
-
 #define AV_ZERO128 AV_ZERO128
 static av_always_inline void AV_ZERO128(void *d)
 {
     __m128i zero = _mm_setzero_si128();
-    _mm_store_si128(d, zero);
+    _mm_store_si128((__m128i *)d, zero);
 }
 
 #endif /* HAVE_INTRINSICS_SSE2 && defined(__SSE2__) */