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-rw-r--r--src/math/x86_64/fabs.s9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/math/x86_64/fabs.s b/src/math/x86_64/fabs.s
new file mode 100644
index 00000000..5715005e
--- /dev/null
+++ b/src/math/x86_64/fabs.s
@@ -0,0 +1,9 @@
+.global fabs
+.type fabs,@function
+fabs:
+	xor %eax,%eax
+	dec %rax
+	shr %rax
+	movq %rax,%xmm1
+	andpd %xmm1,%xmm0
+	ret