On Sun, Mar 25, 2012 at 2:42 PM, Bin.Cheng <amker.ch...@gmail.com> wrote: > Hi, > In tree-complex.c's function expand_complex_comparison, gcc just > expand comparison on complex > operands into comparisons on inner type, like: > > D.5375_17 = REALPART_EXPR <g2>; > D.5376_18 = IMAGPART_EXPR <g2>; > g2.1_5 = COMPLEX_EXPR <D.5375_17, D.5376_18>; > D.5377_19 = REALPART_EXPR <g3>; > D.5378_20 = IMAGPART_EXPR <g3>; > g3.2_6 = COMPLEX_EXPR <D.5377_19, D.5378_20>; > D.5379_21 = D.5375_17 == D.5377_19; > D.5380_22 = D.5376_18 == D.5378_20; > D.5381_23 = D.5379_21 & D.5380_22; > if (D.5381_23 == 1) > goto <bb 3>; > else > goto <bb 4>; > > So is it possible to do shortcut operation for the "&" on the > real/imag part of complex data?
Sure. Does the RTL expander not do that for your target? Richard. > Thanks > > -- > Best Regards.
