Re: [Qemu-devel] [PATCH v2 10/10] tcg/optimize: add constant folding for deposit

2012-09-22 Thread Aurelien Jarno
On Fri, Sep 21, 2012 at 04:22:53PM -0700, Richard Henderson wrote: On 09/21/2012 12:43 PM, Aurelien Jarno wrote: +tmp = ((1ull args[4]) - 1); +tmp = (temps[args[1]].val ~(tmp args[3])) + | ((temps[args[2]].val tmp) args[3]); +

Re: [Qemu-devel] [PATCH v2 10/10] tcg/optimize: add constant folding for deposit

2012-09-22 Thread Richard Henderson
On 2012-09-22 02:41, Aurelien Jarno wrote: On Fri, Sep 21, 2012 at 04:22:53PM -0700, Richard Henderson wrote: On 09/21/2012 12:43 PM, Aurelien Jarno wrote: +tmp = ((1ull args[4]) - 1); +tmp = (temps[args[1]].val ~(tmp args[3])) + |

Re: [Qemu-devel] [PATCH v2 10/10] tcg/optimize: add constant folding for deposit

2012-09-22 Thread Blue Swirl
On Sat, Sep 22, 2012 at 9:41 AM, Aurelien Jarno aurel...@aurel32.net wrote: On Fri, Sep 21, 2012 at 04:22:53PM -0700, Richard Henderson wrote: On 09/21/2012 12:43 PM, Aurelien Jarno wrote: +tmp = ((1ull args[4]) - 1); +tmp = (temps[args[1]].val ~(tmp

[Qemu-devel] [PATCH v2 10/10] tcg/optimize: add constant folding for deposit

2012-09-21 Thread Aurelien Jarno
Signed-off-by: Aurelien Jarno aurel...@aurel32.net --- tcg/optimize.c | 20 1 file changed, 20 insertions(+) diff --git a/tcg/optimize.c b/tcg/optimize.c index c8ae50b..35532a1 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -668,6 +668,26 @@ static TCGArg

Re: [Qemu-devel] [PATCH v2 10/10] tcg/optimize: add constant folding for deposit

2012-09-21 Thread Richard Henderson
On 09/21/2012 12:43 PM, Aurelien Jarno wrote: +tmp = ((1ull args[4]) - 1); +tmp = (temps[args[1]].val ~(tmp args[3])) + | ((temps[args[2]].val tmp) args[3]); +tcg_opt_gen_movi(gen_args, args[0], tmp); We do have a