Re: [Patch,AVR] Light-weight DImode implementation.

2011-12-01 Thread Georg-Johann Lay
Denis Chertykov wrote: The only question that remains is what the -m64 option should be like? [ ] Omit it altogether [ ] Leave it as is (off per default) [ ] Set it on per default As soon as the direction is clear, I'll post a follow-up patch to add the mis

Re: [Patch,AVR] Light-weight DImode implementation.

2011-11-30 Thread Paolo Bonzini
On 11/22/2011 01:15 AM, Georg-Johann Lay wrote: ldi r30,lo8(1) ; 25*movqi/2[length = 1] cp r10,r18 ; 26*cmpqi/2[length = 1] brlo .L2 ; 27branch[length = 1] ldi r30,lo8(0) ; 28*movqi/1[length = 1] .L2: add r11,r19 ;

Re: [Patch,AVR] Light-weight DImode implementation.

2011-11-29 Thread Denis Chertykov
2011/11/30 Weddington, Eric : > > >> -Original Message- >> From: Richard Henderson >> Sent: Tuesday, November 29, 2011 11:30 AM >> To: Georg-Johann Lay >> Cc: gcc-patches@gcc.gnu.org; Denis Chertykov; Weddington, Eric; > Anatoly >> Sokolov &g

RE: [Patch,AVR] Light-weight DImode implementation.

2011-11-29 Thread Weddington, Eric
> -Original Message- > From: Richard Henderson > Sent: Tuesday, November 29, 2011 11:30 AM > To: Georg-Johann Lay > Cc: gcc-patches@gcc.gnu.org; Denis Chertykov; Weddington, Eric; Anatoly > Sokolov > Subject: Re: [Patch,AVR] Light-weight DImode implementation. >

Re: [Patch,AVR] Light-weight DImode implementation.

2011-11-29 Thread Richard Henderson
On 11/29/2011 10:11 AM, Georg-Johann Lay wrote: > The only question that remains is what the -m64 option should be like? > > [ ] Omit it altogether > [ ] Leave it as is (off per default) > [ ] Set it on per default > > As soon as the direction is clear, I'll post a follow-up patch to add the > mi

Re: [Patch,AVR] Light-weight DImode implementation.

2011-11-29 Thread Georg-Johann Lay
Richard Henderson wrote: > On 11/21/2011 11:31 AM, Georg-Johann Lay wrote: >> ;; The caveat is that if there are insns for some mode, there must also be a >> ;; respective move insn that describes reloads. Therefore, this >> ;; implementation uses an accumulator-based model with two hard-coded, >>

Re: [Patch,AVR] Light-weight DImode implementation.

2011-11-21 Thread Georg-Johann Lay
Richard Henderson schrieb: On 11/21/2011 11:31 AM, Georg-Johann Lay wrote: ;; The caveat is that if there are insns for some mode, there must also be a ;; respective move insn that describes reloads. Therefore, this ;; implementation uses an accumulator-based model with two hard-coded, ;; accu

Re: [Patch,AVR] Light-weight DImode implementation.

2011-11-21 Thread Richard Henderson
On 11/21/2011 11:31 AM, Georg-Johann Lay wrote: > ;; The caveat is that if there are insns for some mode, there must also be a > ;; respective move insn that describes reloads. Therefore, this > ;; implementation uses an accumulator-based model with two hard-coded, > ;; accumulator-like registers