Merge pull request #331 from iabdalkader/master

Implement machine_sqrt using VSQRT
2014-03-02 00:39:18 +00:00 · 2014-03-02 00:39:18 +00:00 · 86227ce7b0
commit 86227ce7b0
parent 75a35c496d 6882dbd9f8
1 changed files with 4 additions and 1 deletions
--- a/stm/main.c
+++ b/stm/main.c
@ -675,6 +675,9 @@ double sqrt(double x) {
 }

 machine_float_t machine_sqrt(machine_float_t x) {
-    // TODO
+    asm volatile (
+            "vsqrt.f32  %[r], %[x]\n"
+            : [r] "=t" (x)
+            : [x] "t"  (x));
    return x;
 }