6 files changed, 36 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
diff --git a/src/math/x86_64/fabsf.s b/src/math/x86_64/fabsf.s
new file mode 100644
index 00000000..501a1f17
--- /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
diff --git a/src/math/x86_64/llrint.s b/src/math/x86_64/llrint.s
new file mode 100644
index 00000000..0de0658f
--- /dev/null
+++ b/src/math/x86_64/llrint.s
@@ -0,0 +1,5 @@
+.global llrint
+.type llrint,@function
+llrint:
+	cvtsd2si @xmm0,%rax
+	ret
diff --git a/src/math/x86_64/llrintf.s b/src/math/x86_64/llrintf.s
new file mode 100644
index 00000000..b05f7be9
--- /dev/null
+++ b/src/math/x86_64/llrintf.s
@@ -0,0 +1,5 @@
+.global llrintf
+.type llrintf,@function
+llrintf:
+	cvtss2si @xmm0,%rax
+	ret
diff --git a/src/math/x86_64/lrint.s b/src/math/x86_64/lrint.s
new file mode 100644
index 00000000..59b12038
--- /dev/null
+++ b/src/math/x86_64/lrint.s
@@ -0,0 +1,5 @@
+.global lrint
+.type lrint,@function
+lrint:
+	cvtsd2si @xmm0,%rax
+	ret
diff --git a/src/math/x86_64/lrintf.s b/src/math/x86_64/lrintf.s
new file mode 100644
index 00000000..951894b6
--- /dev/null
+++ b/src/math/x86_64/lrintf.s
@@ -0,0 +1,5 @@
+.global lrintf
+.type lrintf,@function
+lrintf:
+	cvtss2si @xmm0,%rax
+	ret