Added sqrt() and sqrtf() assembly versions.

Still they are not yet really used.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12731 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/libroot/posix/math/arch/x86/Jamfile

@@ -7,6 +7,8 @@ KernelMergeObject posix_math_arch_$(OBOS_ARCH).o :
 	isinf.c
 	ldexp.c
 	sin.S
+	sqrt.S
+	sqrtf.S
 	:
 	-fPIC -DPIC
 	;

src/system/libroot/posix/math/arch/x86/sqrt.S

@@ -0,0 +1,16 @@
+/*
+ * Written by J.T. Conklin <jtc@netbsd.org>.
+ * Public domain.
+ */
+
+#define FUNCTION(x) .global x; .type x,@function; x
+#define FUNCTION_END(x)
+#define WEAK_ALIAS(original, alias) .weak original; original = alias
+
+FUNCTION(__sqrt):
+	fldl		4(%esp)
+	fsqrt
+	ret
+FUNCTION_END(__sqrt)
+
+WEAK_ALIAS(__sqrt, sqrt)

src/system/libroot/posix/math/arch/x86/sqrtf.S

@@ -0,0 +1,16 @@
+/*
+ * Written by J.T. Conklin <jtc@netbsd.org>.
+ * Public domain.
+ */
+
+#define FUNCTION(x) .global x; .type x,@function; x
+#define FUNCTION_END(x)
+#define WEAK_ALIAS(original, alias) .weak original; original = alias
+
+FUNCTION(__sqrtf):
+	flds		4(%esp)
+	fsqrt
+	ret
+FUNCTION_END(__sqrtf)
+
+WEAK_ALIAS(__sqrtf, sqrtf)