On Tue, Nov 25, 2014 at 10:45:06AM -0800, David Kang wrote: > Is the logical operators described similarly? > I tried "seqf2", "cmpseqf2", and "one_cmplseqf2" for "eq" of two floating > point numbers as it is shown below. > But none of them work. > > (define_expand "seqf2" > [(set (match_operand:SI 0 "register_operand" "") > (eq:SI (match_operand:SF 1 "register_operand" "") > (match_operand:SF 2 "register_operand" "")))]
This is done via cstoresf4. Please see the `gccint' manual, available online or via e.g. `make pdf'; or read gcc/doc/md.texi directly. Segher
