On Fri, Apr 22, 2016 at 09:57:04AM -0700, Richard Henderson wrote: > On 04/22/2016 02:04 AM, Peter Zijlstra wrote: > > + "1: ldl_l %0,%1\n" \ > > + " mov %0,%2\n" \ > > + " " #asm_op " %0,%3,%0\n" \ > > + " stl_c %0,%1\n" \ > > No need for the extra mov. > > ldl_l %2,%1 > asm_op %2,%3,%0 > stl_c %0,%1
Indeed, I got my head stuck in two operand (x86) asm. This is the second such 'mistake', I'll go have a look at the rest too. Thanks!
