Re: [Qemu-devel] [PATCH v4 62/64] tcg: Use ctpop to generate ctz if needed

2016-12-09 Thread Richard Henderson
On 12/09/2016 08:07 AM, Alex Bennée wrote: > > Richard Henderson writes: > >> Particularly when andc is also available, this is two insns >> shorter than using clz to compute ctz. >> >> Signed-off-by: Richard Henderson >> --- >> tcg/tcg-op.c | 107 >> --

Re: [Qemu-devel] [PATCH v4 62/64] tcg: Use ctpop to generate ctz if needed

2016-12-09 Thread Alex Bennée
Richard Henderson writes: > Particularly when andc is also available, this is two insns > shorter than using clz to compute ctz. > > Signed-off-by: Richard Henderson > --- > tcg/tcg-op.c | 107 > --- > 1 file changed, 65 insertions(+), 4

[Qemu-devel] [PATCH v4 62/64] tcg: Use ctpop to generate ctz if needed

2016-11-23 Thread Richard Henderson
Particularly when andc is also available, this is two insns shorter than using clz to compute ctz. Signed-off-by: Richard Henderson --- tcg/tcg-op.c | 107 --- 1 file changed, 65 insertions(+), 42 deletions(-) diff --git a/tcg/tcg-op.c b/t