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| /freebsd-10.2-release/lib/msun/ld128/ | ||
| H A D | e_rem_pio2l.h | diff 176558 Mon Feb 25 18:28:58 MST 2008 bde Use a temporary array instead of the arg array y[] for calling __kernel_rem_pio2(). This simplifies analysis of aliasing and thus results in better code for the usual case where __kernel_rem_pio2() is not called. In particular, when __ieee854_rem_pio2[f]() is inlined, it normally results in y[] being returned in registers. I couldn't get this to work using the restrict qualifier. In float precision, this saves 2-3% in most cases on amd64 and i386 (A64) despite it not being inlined in float precision yet. In double precision, this has high variance, with an average gain of 2% for amd64 and 0.7% for i386 (but a much larger gain for usual cases) and some losses. |
| /freebsd-10.2-release/lib/msun/ld80/ | ||
| H A D | e_rem_pio2l.h | diff 176558 Mon Feb 25 18:28:58 MST 2008 bde Use a temporary array instead of the arg array y[] for calling __kernel_rem_pio2(). This simplifies analysis of aliasing and thus results in better code for the usual case where __kernel_rem_pio2() is not called. In particular, when __ieee854_rem_pio2[f]() is inlined, it normally results in y[] being returned in registers. I couldn't get this to work using the restrict qualifier. In float precision, this saves 2-3% in most cases on amd64 and i386 (A64) despite it not being inlined in float precision yet. In double precision, this has high variance, with an average gain of 2% for amd64 and 0.7% for i386 (but a much larger gain for usual cases) and some losses. |
| /freebsd-10.2-release/lib/msun/src/ | ||
| H A D | e_rem_pio2.c | diff 176558 Mon Feb 25 18:28:58 MST 2008 bde Use a temporary array instead of the arg array y[] for calling __kernel_rem_pio2(). This simplifies analysis of aliasing and thus results in better code for the usual case where __kernel_rem_pio2() is not called. In particular, when __ieee854_rem_pio2[f]() is inlined, it normally results in y[] being returned in registers. I couldn't get this to work using the restrict qualifier. In float precision, this saves 2-3% in most cases on amd64 and i386 (A64) despite it not being inlined in float precision yet. In double precision, this has high variance, with an average gain of 2% for amd64 and 0.7% for i386 (but a much larger gain for usual cases) and some losses. |
| H A D | e_rem_pio2f.c | diff 176558 Mon Feb 25 18:28:58 MST 2008 bde Use a temporary array instead of the arg array y[] for calling __kernel_rem_pio2(). This simplifies analysis of aliasing and thus results in better code for the usual case where __kernel_rem_pio2() is not called. In particular, when __ieee854_rem_pio2[f]() is inlined, it normally results in y[] being returned in registers. I couldn't get this to work using the restrict qualifier. In float precision, this saves 2-3% in most cases on amd64 and i386 (A64) despite it not being inlined in float precision yet. In double precision, this has high variance, with an average gain of 2% for amd64 and 0.7% for i386 (but a much larger gain for usual cases) and some losses. |
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