From 41b290ba397067a09525b6ac89b4040728349046 Mon Sep 17 00:00:00 2001 From: Alexander Monakov Date: Mon, 6 Jan 2020 19:35:57 +0300 Subject: math: move trivial x86-family sqrt functions to C with inline asm --- src/math/x86_64/sqrt.c | 7 +++++++ 1 file changed, 7 insertions(+) create mode 100644 src/math/x86_64/sqrt.c (limited to 'src/math/x86_64/sqrt.c') diff --git a/src/math/x86_64/sqrt.c b/src/math/x86_64/sqrt.c new file mode 100644 index 00000000..657e09e3 --- /dev/null +++ b/src/math/x86_64/sqrt.c @@ -0,0 +1,7 @@ +#include + +double sqrt(double x) +{ + __asm__ ("sqrtsd %1, %0" : "=x"(x) : "x"(x)); + return x; +} -- cgit v1.2.1