xmm_quantize_sub.c: In function 'init_xrpow_core_sse': xmm_quantize_sub.c:65:18: warning: SSE vector return without SSE enabled changes the ABI [-W psabi] const __m128 vec_fabs_mask = _mm_loadu_ps(&fabs_mask._float[0]); ^ In file included from xmm_quantize_sub.c:37:0: /usr/lib/gcc/i686-w64-mingw32/4.9.0/include/xmmintrin.h:933:1: error: inlining failed in call to always_inline '_mm_loadu_ps': target specific option mismatch _mm_loadu_ps (float const *__P) ^ xmm_quantize_sub.c:65:18: error: called from here const __m128 vec_fabs_mask = _mm_loadu_ps(&fabs_mask._float[0]); ^ --- lame/libmp3lame/vector/xmm_quantize_sub.c.orig 2014-06-08 12:16:19.455468042 -0700 +++ lame/libmp3lame/vector/xmm_quantize_sub.c 2014-06-08 12:16:09.592356980 -0700 @@ -35,6 +35,7 @@ #ifdef HAVE_XMMINTRIN_H #include +#pragma GCC target("sse") typedef union { int32_t _i_32[4]; /* unions are initialized by its first member */ @@ -124,6 +125,7 @@ } +#pragma GCC target("sse2") void fht_SSE2(FLOAT * fz, int n) {