}
#endif
+#ifdef USE_X86_MMX
+/* We have to compile with -msse to use xmmintrin.h, but that causes SSE
+ * instructions to be generated that we don't want. Just duplicate the
+ * functions we want to use. */
+extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+_mm_mulhi_pu16 (__m64 __A, __m64 __B)
+{
+ asm("pmulhuw %1, %0\n\t"
+ : "+y" (__A)
+ : "y" (__B)
+ );
+ return __A;
+}
+#endif
+
/* Notes about writing mmx code
*
* give memory operands as the second operand. If you give it as the
mmxdatafield mmx_ffff0000ffff0000;
mmxdatafield mmx_0000ffff00000000;
mmxdatafield mmx_000000000000ffff;
+ mmxdatafield mmx_4x0101;
} mmx_data_t;
#if defined(_MSC_VER)
MMXDATA_INIT (.mmx_ffff0000ffff0000, 0xffff0000ffff0000),
MMXDATA_INIT (.mmx_0000ffff00000000, 0x0000ffff00000000),
MMXDATA_INIT (.mmx_000000000000ffff, 0x000000000000ffff),
+ MMXDATA_INIT (.mmx_4x0101, 0x0101010101010101),
};
#ifdef USE_CVT_INTRINSICS
res = _mm_mullo_pi16 (a, b);
res = _mm_adds_pu16 (res, MC (4x0080));
- res = _mm_adds_pu16 (res, _mm_srli_pi16 (res, 8));
- res = _mm_srli_pi16 (res, 8);
+ res = _mm_mulhi_pu16 (res, MC (4x0101));
return res;
}