Re: [Qemu-devel] [PATCH 1/2] target-m68k: add 64bit mull

2016-10-31 Thread Richard Henderson
On 10/29/2016 02:36 AM, Laurent Vivier wrote: Le 29/10/2016 à 01:25, Richard Henderson a écrit : On 10/28/2016 03:39 PM, Laurent Vivier wrote: +tcg_gen_movi_i32(QREG_CC_V, 0); +tcg_gen_mov_i32(QREG_CC_C, QREG_CC_V); movi CC, 0 Just to know, could you explain why it is bett

Re: [Qemu-devel] [PATCH 1/2] target-m68k: add 64bit mull

2016-10-29 Thread Laurent Vivier
Le 29/10/2016 à 01:25, Richard Henderson a écrit : > On 10/28/2016 03:39 PM, Laurent Vivier wrote: >> +tcg_gen_movi_i32(QREG_CC_V, 0); >> +tcg_gen_mov_i32(QREG_CC_C, QREG_CC_V); > > movi CC, 0 Just to know, could you explain why it is better? > Otherwise, > > Reviewed-by: Rich

Re: [Qemu-devel] [PATCH 1/2] target-m68k: add 64bit mull

2016-10-28 Thread Richard Henderson
On 10/28/2016 03:39 PM, Laurent Vivier wrote: +tcg_gen_movi_i32(QREG_CC_V, 0); +tcg_gen_mov_i32(QREG_CC_C, QREG_CC_V); movi CC, 0 Otherwise, Reviewed-by: Richard Henderson r~