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* gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New. * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New. * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2, fixuns_truncdfhi2): New. (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse. (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse. (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse. (floatunssidf2): Allow nonimmediate source. * gcc/config/i386/sse.md (movdi_to_sse): New. (vec_concatv2di): Drop '*'. * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse, ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse, ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse): New. * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse, ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse, ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse, ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New. (ix86_build_signbit_mask): Fix decl of v, refactor to call ix86_build_const_vector. (x86_emit_floatuns): Rewrite. Co-Authored-By: Richard Henderson <rth@redhat.com> From-SVN: r121790
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