This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.
Index Nav: | [Date Index] [Subject Index] [Author Index] [Thread Index] | |
---|---|---|
Message Nav: | [Date Prev] [Date Next] | [Thread Prev] [Thread Next] |
Other format: | [Raw text] |
On 10/17/2012 12:56 PM, Marc Glisse wrote:+ if (!COMPARISON_CLASS_P (arg1)) + { + if (TYPE_UNSIGNED (TREE_TYPE (arg1_type))) + { + arg1_type = signed_type_for (arg1_type); + arg1 = convert (arg1_type, arg1); + } + arg1 = build2 (LT_EXPR, arg1_type, arg1, + build_zero_cst (arg1_type)); + }
Why LT_EXPR rather than NE_EXPR?
For each component of a vector type, result[i] = if MSB of c[i] is set ? b[i] : a[i].
-- Marc Glisse
Index Nav: | [Date Index] [Subject Index] [Author Index] [Thread Index] | |
---|---|---|
Message Nav: | [Date Prev] [Date Next] | [Thread Prev] [Thread Next] |