From: Richard Henderson Date: Tue, 28 Jun 2005 05:15:11 +0000 (-0700) Subject: tree-vect-transform.c (vect_create_epilog_for_reduction): Remove duplicate little... X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=46ae108707e53e994a2ee93a0f782a61f9bc0c9c;p=gcc.git tree-vect-transform.c (vect_create_epilog_for_reduction): Remove duplicate little-endian adjustment. * tree-vect-transform.c (vect_create_epilog_for_reduction): Remove duplicate little-endian adjustment. From-SVN: r101372 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 76594b77fc2..f2d29d05cb3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-06-27 Richard Henderson + + * tree-vect-transform.c (vect_create_epilog_for_reduction): Remove + duplicate little-endian adjustment. + 2005-06-28 Kelley Cook * doc/include/texinfo.tex: Import from upstream CVS. diff --git a/gcc/tree-vect-transform.c b/gcc/tree-vect-transform.c index 2de9ce63d2d..cdd3acfbb68 100644 --- a/gcc/tree-vect-transform.c +++ b/gcc/tree-vect-transform.c @@ -926,17 +926,12 @@ vect_create_epilog_for_reduction (tree vect_def, tree stmt, tree reduction_op, int vec_size_in_bits = tree_low_cst (TYPE_SIZE (vectype), 1); tree vec_temp; - /* The result of the reduction is expected to be at the LSB bits - of the vector. For big-endian targets this means at the right - end of the vector. For little-endian targets this means at the - left end of the vector. */ - - if (BITS_BIG_ENDIAN - && vec_shr_optab->handlers[mode].insn_code != CODE_FOR_nothing) + /* The result of the reduction is expected to be at the least + significant bits of the vector. This is merely convention, + as it's the extraction later that really matters, and that + is also under our control. */ + if (vec_shr_optab->handlers[mode].insn_code != CODE_FOR_nothing) shift_code = VEC_RSHIFT_EXPR; - else if (!BITS_BIG_ENDIAN - && vec_shl_optab->handlers[mode].insn_code != CODE_FOR_nothing) - shift_code = VEC_LSHIFT_EXPR; else have_whole_vector_shift = false;