diff --git a/libc/intrin/tmmintrin.internal.h b/libc/intrin/tmmintrin.internal.h
index 58e3ce657..9e251babd 100644
--- a/libc/intrin/tmmintrin.internal.h
+++ b/libc/intrin/tmmintrin.internal.h
@@ -7,11 +7,100 @@
 │ cosmopolitan § it's a trap! » ssse3                                      ─╬─│┼
 ╚────────────────────────────────────────────────────────────────────────────│*/
 
+#define _mm_hadd_epi16(M128I_0, M128I_1) \
+  ((__m128i)__builtin_ia32_phaddw128((__v8hi)(M128I_0), (__v8hi)(M128I_1)))
+
+#define _mm_hadd_epi32(M128I_0, M128I_1) \
+  ((__m128i)__builtin_ia32_phaddd128((__v4si)(M128I_0), (__v4si)(M128I_1)))
+
+#define _mm_hadds_epi16(M128I_0, M128I_1) \
+  ((__m128i)__builtin_ia32_phaddsw128((__v8hi)(M128I_0), (__v8hi)(M128I_1)))
+
+#define _mm_hsub_epi16(M128I_0, M128I_1) \
+  ((__m128i)__builtin_ia32_phsubw128((__v8hi)(M128I_0), (__v8hi)(M128I_1)))
+
+#define _mm_hsub_epi32(M128I_0, M128I_1) \
+  ((__m128i)__builtin_ia32_phsubd128((__v4si)(M128I_0), (__v4si)(M128I_1)))
+
+#define _mm_hsubs_epi16(M128I_0, M128I_1) \
+  ((__m128i)__builtin_ia32_phsubsw128((__v8hi)(M128I_0), (__v8hi)(M128I_1)))
+
 #define _mm_maddubs_epi16(M128I_0, M128I_1) \
   ((__m128i)__builtin_ia32_pmaddubsw128((__v16qi)(M128I_0), (__v16qi)(M128I_1)))
 
+#define _mm_mulhrs_epi16(M128I_0, M128I_1) \
+  ((__m128i)__builtin_ia32_pmulhrsw128((__v8hi)(M128I_0), (__v8hi)(M128I_1)))
+
 #define _mm_shuffle_epi8(M128I_0, M128I_1) \
   ((__m128i)__builtin_ia32_pshufb128((__v16qi)(M128I_0), (__v16qi)(M128I_1)))
 
+#define _mm_sign_epi8(M128I_0, M128I_1) \
+  ((__m128i)__builtin_ia32_psignb128((__v16qi)(M128I_0), (__v16qi)(M128I_1)))
+
+#define _mm_sign_epi16(M128I_0, M128I_1) \
+  ((__m128i)__builtin_ia32_psignw128((__v8hi)(M128I_0), (__v8hi)(M128I_1)))
+
+#define _mm_sign_epi32(M128I_0, M128I_1) \
+  ((__m128i)__builtin_ia32_psignd128((__v4si)(M128I_0), (__v4si)(M128I_1)))
+
+#define _mm_abs_epi8(M128I_0) \
+  ((__m128i)__builtin_ia32_pabsb128((__v16qi)(M128I_0)))
+
+#define _mm_abs_epi16(M128I_0) \
+  ((__m128i)__builtin_ia32_pabsw128((__v8hi)(M128I_0)))
+
+#define _mm_abs_epi32(M128I_0) \
+  ((__m128i)__builtin_ia32_pabsd128((__v4si)(M128I_0)))
+
+#define _mm_alignr_epi8(M128I_0, M128I_1, N)                      \
+  ((__m128i)__builtin_ia32_palignr128((__v2di)(__m128i)(M128I_0), \
+                                      (__v2di)(__m128i)(M128I_1), (int)(N)*8))
+
+#define _mm_abs_pi8(M64_0) ((__m64)__builtin_ia32_pabsb((__v8qi)(M64_0)))
+
+#define _mm_abs_pi16(M64_0) ((__m64)__builtin_ia32_pabsw((__v4hi)(M64_0)))
+
+#define _mm_abs_pi32(M64_0) ((__m64)__builtin_ia32_pabsd((__v2si)(M64_0)))
+
+#define _mm_hadd_pi16(M64_0, M64_1) \
+  ((__m64)__builtin_ia32_phaddw((__v4hi)(M64_0), (__v4hi)(M64_1)))
+
+#define _mm_hadd_pi32(M64_0, M64_1) \
+  ((__m64)__builtin_ia32_phaddd((__v2si)(M64_0), (__v2si)(M64_1)))
+
+#define _mm_hadds_pi16(M64_0, M64_1) \
+  ((__m64)__builtin_ia32_phaddsw((__v4hi)(M64_0), (__v4hi)(M64_1)))
+
+#define _mm_hsub_pi16(M64_0, M64_1) \
+  ((__m64)__builtin_ia32_phsubw((__v4hi)(M64_0), (__v4hi)(M64_1)))
+
+#define _mm_hsub_pi32(M64_0, M64_1) \
+  ((__m64)__builtin_ia32_phsubd((__v2si)(M64_0), (__v2si)(M64_1)))
+
+#define _mm_hsubs_pi16(M64_0, M64_1) \
+  ((__m64)__builtin_ia32_phsubsw((__v4hi)(M64_0), (__v4hi)(M64_1)))
+
+#define _mm_sign_pi8(M64_0, M64_1) \
+  ((__m64)__builtin_ia32_psignb((__v8qi)(M64_0), (__v8qi)(M64_1)))
+
+#define _mm_sign_pi16(M64_0, M64_1) \
+  ((__m64)__builtin_ia32_psignw((__v4hi)(M64_0), (__v4hi)(M64_1)))
+
+#define _mm_sign_pi32(M64_0, M64_1) \
+  ((__m64)__builtin_ia32_psignd((__v2si)(M64_0), (__v2si)(M64_1)))
+
+#define _mm_shuffle_pi8(M64_0, M64_1) \
+  ((__m64)__builtin_ia32_pshufb((__v8qi)(M64_0), (__v8qi)(M64_1)))
+
+#define _mm_mulhrs_pi16(M64_0, M64_1) \
+  ((__m64)__builtin_ia32_pmulhrsw((__v4hi)(M64_0), (__v4hi)(M64_1)))
+
+#define _mm_maddubs_pi16(M64_0, M64_1) \
+  ((__m64)__builtin_ia32_pmaddubsw((__v8qi)(M64_0), (__v8qi)(M64_1)))
+
+#define _mm_alignr_pi8(M64_0, M64_1, N)                  \
+  ((__m64)__builtin_ia32_palignr((__v1di)(__m64)(M64_0), \
+                                 (__v1di)(__m64)(M64_1), (int)(N)*8))
+
 #endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
 #endif /* COSMOPOLITAN_LIBC_BITS_TMMINTRIN_H_ */
diff --git a/libc/intrin/xmmintrin.internal.h b/libc/intrin/xmmintrin.internal.h
index 6ee1d9ebe..4ae5c3484 100644
--- a/libc/intrin/xmmintrin.internal.h
+++ b/libc/intrin/xmmintrin.internal.h
@@ -30,11 +30,19 @@
 
 #if !(__ASSEMBLER__ + __LINKER__ + 0)
 
+typedef short __m16 _Vector_size(2) mayalias;
+typedef int __m32 _Vector_size(4) mayalias;
+typedef int __m64 _Vector_size(8) mayalias;
+typedef float __m128 _Vector_size(16) mayalias forcealign(16);
+
+typedef short __m16_u _Vector_size(2) mayalias forcealign(1);
+typedef int __m32_u _Vector_size(4) mayalias forcealign(1);
+typedef int __m64_u _Vector_size(8) mayalias forcealign(1);
+typedef float __m128_u _Vector_size(16) mayalias forcealign(1);
+
 typedef int __v4si _Vector_size(16);
 typedef unsigned int __v4su _Vector_size(16);
 typedef float __v4sf _Vector_size(16);
-typedef float __m128 _Vector_size(16) forcealign(16) mayalias;
-typedef float __m128_u _Vector_size(16) forcealign(1) mayalias;
 
 /*───────────────────────────────────────────────────────────────────────────│─╗
 │ cosmopolitan § it's a trap! » sse » simd ops                             ─╬─│┼