Thanks a lot. As a newbie, I keep reading the gccint manual and the source code. But, the document is not kind enough for a newbie to jump start in a short amount of time. Sometimes an advice from an expert gives a newbie a breakthrough. I appreciate your help!
David ----- Original Message ----- > From: "Segher Boessenkool" <seg...@kernel.crashing.org> > To: "David Kang" <dk...@isi.edu> > Cc: "GCC" <gcc@gcc.gnu.org> > Sent: Tuesday, November 25, 2014 3:25:47 PM > Subject: Re: optab handler for floating point to interger "fix" is not > generated > 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 -- ---------------------- Dr. Dong-In "David" Kang Computer Scientist USC/ISI
