new math asm (abs/rounding) for x86_64

[musl] / src / math / x86_64 / fabsf.s

diff --git a/src/math/x86_64/fabsf.s b/src/math/x86_64/fabsf.s
new file mode 100644 (file)
index 0000000..501a1f1
--- /dev/null
+++ b/src/math/x86_64/fabsf.s
@@ -0,0 +1,7 @@
+.global fabsf
+.type fabsf,@function
+fabsf:
+       mov $0x7fffffff,%eax
+       movq %rax,%xmm1
+       andps %xmm1,%xmm0
+       ret