use clc_ldexp

Author: frasercrmck

libclc/clc/lib/amdgpu/math/clc_sqrt_fp64.cl

@@ -23,6 +23,7 @@
 #include <clc/clcmacro.h>
 #include <clc/internal/clc.h>
 #include <clc/math/clc_fma.h>
+#include <clc/math/clc_ldexp.h>
 
 #ifdef cl_khr_fp64
 
@@ -39,7 +40,7 @@ _CLC_OVERLOAD _CLC_DEF double __clc_sqrt(double x) {
   uint exp0 = vcc ? 0x100 : 0;
   unsigned exp1 = vcc ? 0xffffff80 : 0;
 
-  double v01 = __builtin_ldexp(x, exp0);
+  double v01 = __clc_ldexp(x, exp0);
   double v23 = __clc_builtin_rsq(v01);
   double v45 = v01 * v23;
   v23 = v23 * 0.5;
@@ -52,7 +53,7 @@ _CLC_OVERLOAD _CLC_DEF double __clc_sqrt(double x) {
   v67 = __clc_fma(-v45, v45, v01);
   v23 = __clc_fma(v67, v23, v45);
 
-  v23 = __builtin_ldexp(v23, exp1);
+  v23 = __clc_ldexp(v23, exp1);
   return (x == __builtin_inf() || (x == 0.0)) ? v01 : v23;
 }