Warning fixes for jerry-libm

JerryScript-DCO-1.0-Signed-off-by: László Langó [email protected]

Author: LaszloLango

jerry-libm/CMakeLists.txt

@@ -19,23 +19,10 @@ project (Jerry_LibM C)
 # Compiler / linker flags
 # TODO: Reduce the below list of warning/error disablings as much as possible
 set(COMPILE_FLAGS_LIBM "${COMPILE_FLAGS_JERRY} ${C_FLAGS_JERRY}")
-set(COMPILE_FLAGS_LIBM "${COMPILE_FLAGS_LIBM} -Wno-error=parentheses")
 set(COMPILE_FLAGS_LIBM "${COMPILE_FLAGS_LIBM} -Wno-error=sign-compare")
 set(COMPILE_FLAGS_LIBM "${COMPILE_FLAGS_LIBM} -Wno-error=sign-conversion")
-set(COMPILE_FLAGS_LIBM "${COMPILE_FLAGS_LIBM} -Wno-error=strict-aliasing")
-set(COMPILE_FLAGS_LIBM "${COMPILE_FLAGS_LIBM} -Wno-error=unknown-pragmas")
-set(COMPILE_FLAGS_LIBM "${COMPILE_FLAGS_LIBM} -Wno-error=missing-declarations")
-set(COMPILE_FLAGS_LIBM "${COMPILE_FLAGS_LIBM} -Wno-error=maybe-uninitialized")
-set(COMPILE_FLAGS_LIBM "${COMPILE_FLAGS_LIBM} -Wno-error=unused-but-set-variable")
-set(COMPILE_FLAGS_LIBM "${COMPILE_FLAGS_LIBM} -Wno-error=unused-variable")
-set(COMPILE_FLAGS_LIBM "${COMPILE_FLAGS_LIBM} -Wno-error=conversion")
 set(COMPILE_FLAGS_LIBM "${COMPILE_FLAGS_LIBM} -Wno-sign-conversion")
 set(COMPILE_FLAGS_LIBM "${COMPILE_FLAGS_LIBM} -Wno-sign-compare")
-set(COMPILE_FLAGS_LIBM "${COMPILE_FLAGS_LIBM} -Wno-parentheses")
-set(COMPILE_FLAGS_LIBM "${COMPILE_FLAGS_LIBM} -Wno-maybe-uninitialized")
-set(COMPILE_FLAGS_LIBM "${COMPILE_FLAGS_LIBM} -Wno-unknown-pragmas")
-set(COMPILE_FLAGS_LIBM "${COMPILE_FLAGS_LIBM} -Wno-unused-but-set-variable")
-set(COMPILE_FLAGS_LIBM "${COMPILE_FLAGS_LIBM} -Wno-unused-variable")
 
 # Include directories
 set(INCLUDE_LIBM ${CMAKE_SOURCE_DIR}/jerry-libm/include)

jerry-libm/atan2.c

@@ -79,7 +79,7 @@ atan2 (double y, double x)
   {
     return x + y;
   }
-  if ((hx - 0x3ff00000 | lx) == 0) /* x = 1.0 */
+  if (((hx - 0x3ff00000) | lx) == 0) /* x = 1.0 */
   {
     return atan (y);
   }

jerry-libm/pow.c

@@ -122,12 +122,10 @@ pow (double x, double y)
 {
   double z, ax, z_h, z_l, p_h, p_l;
   double y1, t1, t2, r, s, t, u, v, w;
-  int i0, i1, i, j, k, yisint, n;
+  int i, j, k, yisint, n;
   int hx, hy, ix, iy;
   unsigned lx, ly;
 
-  i0 = ((*(int *) &one) >> 29) ^ 1;
-  i1 = 1 - i0;
   hx = __HI (x);
   lx = __LO (x);
   hy = __HI (y);