Re: [PATCH] xtensa: add HW FPU sequences for DIV/SQRT/RECIP/RSQRT

2016-10-18 Thread Max Filippov
On Tue, Oct 18, 2016 at 11:22 AM, augustine.sterl...@gmail.com wrote: > On Fri, Oct 14, 2016 at 12:14 PM, Max Filippov wrote: >> >> Use new FPU instruction sequences documented in the ISA book to >> implement __divsf3, __divdf3, __recipsf2,

Re: [PATCH] xtensa: add HW FPU sequences for DIV/SQRT/RECIP/RSQRT

2016-10-18 Thread augustine.sterl...@gmail.com
On Fri, Oct 14, 2016 at 12:14 PM, Max Filippov wrote: > > Use new FPU instruction sequences documented in the ISA book to > implement __divsf3, __divdf3, __recipsf2, __recipdf2, __rsqrtsf2, > __rsqrtdf2 and __ieee754_sqrtf and __ieee754_sqrt. > > 2013-02-12 Ding-Kai Chen

[PATCH] xtensa: add HW FPU sequences for DIV/SQRT/RECIP/RSQRT

2016-10-14 Thread Max Filippov
Use new FPU instruction sequences documented in the ISA book to implement __divsf3, __divdf3, __recipsf2, __recipdf2, __rsqrtsf2, __rsqrtdf2 and __ieee754_sqrtf and __ieee754_sqrt. 2013-02-12 Ding-Kai Chen libgcc/ * config/xtensa/ieee754-df.S (__recipdf2,