libm/arm: Remove the compiler specific #warning

let ld report the error instead

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>

libs/libm/libm/arm/armv7-m/arch_fabsf.c

@@ -30,14 +30,10 @@
  ****************************************************************************/
 
 #if (__ARM_ARCH >= 7) && (__ARM_FP >= 4)
-
 float fabsf(float x)
 {
   float result;
   asm volatile ("vabs.f32\t%0, %1" : "=t" (result) : "t" (x));
   return result;
 }
-
-#else
-#  warning fabsf() not built
 #endif

libs/libm/libm/arm/armv7-m/arch_sqrtf.c

@@ -30,14 +30,10 @@
  ****************************************************************************/
 
 #if (__ARM_ARCH >= 7) && (__ARM_FP >= 4)
-
 float sqrtf(float x)
 {
   float result;
   asm volatile ("vsqrt.f32\t%0, %1" : "=t" (result) : "t" (x));
   return result;
 }
-
-#else
-#  warning sqrtf() not built
 #endif

libs/libm/libm/arm/armv8-m/arch_ceil.c

@@ -40,14 +40,10 @@
  ****************************************************************************/
 
 #if __ARM_ARCH >= 8 && (__ARM_FP & 0x8) && !defined (__SOFTFP__)
-
 double ceil(double x)
 {
   double result;
   asm volatile("vrintp.f64\t%P0, %P1" : "=w"(result) : "w"(x));
   return result;
 }
-
-#else
-#  warning ceil() not built
 #endif

libs/libm/libm/arm/armv8-m/arch_ceilf.c

@@ -40,14 +40,10 @@
  ****************************************************************************/
 
 #if __ARM_ARCH >= 8 && !defined (__SOFTFP__)
-
 float ceilf(float x)
 {
   float result;
   asm volatile("vrintp.f32\t%0, %1" : "=t"(result) : "t"(x));
   return result;
 }
-
-#else
-#  warning ceilf() not built
 #endif

libs/libm/libm/arm/armv8-m/arch_floor.c

@@ -40,14 +40,10 @@
  ****************************************************************************/
 
 #if __ARM_ARCH >= 8 && (__ARM_FP & 0x8) && !defined (__SOFTFP__)
-
 double floor(double x)
 {
   double result;
   asm volatile ("vrintm.f64\t%P0, %P1" : "=w" (result) : "w" (x));
   return result;
 }
-
-#else
-#  warning floor() not built
 #endif

libs/libm/libm/arm/armv8-m/arch_floorf.c

@@ -40,14 +40,10 @@
  ****************************************************************************/
 
 #if __ARM_ARCH >= 8 && !defined (__SOFTFP__)
-
 float floorf(float x)
 {
   float result;
   asm volatile("vrintm.f32\t%0, %1" : "=t"(result) : "t"(x));
   return result;
 }
-
-#else
-#  warning floorf() not built
 #endif

libs/libm/libm/arm/armv8-m/arch_nearbyint.c

@@ -40,14 +40,10 @@
  ****************************************************************************/
 
 #if __ARM_ARCH >= 8 && (__ARM_FP & 0x8) && !defined (__SOFTFP__)
-
 double nearbyint(double x)
 {
   double result;
   asm volatile ("vrintr.f64\t%P0, %P1" : "=w" (result) : "w" (x));
   return result;
 }
-
-#else
-#  warning nearbyint() not built
 #endif

libs/libm/libm/arm/armv8-m/arch_nearbyintf.c

@@ -40,14 +40,10 @@
  ****************************************************************************/
 
 #if __ARM_ARCH >= 8 && !defined (__SOFTFP__)
-
 float nearbyintf(float x)
 {
   float result;
   asm volatile ("vrintr.f32\t%0, %1" : "=t" (result) : "t" (x));
   return result;
 }
-
-#else
-#  warning nearbyintf() not built
 #endif

libs/libm/libm/arm/armv8-m/arch_rint.c

@@ -40,14 +40,10 @@
  ****************************************************************************/
 
 #if __ARM_ARCH >= 8 && (__ARM_FP & 0x8) && !defined (__SOFTFP__)
-
 double rint(double x)
 {
   double result;
   asm volatile ("vrintx.f64\t%P0, %P1" : "=w" (result) : "w" (x));
   return result;
 }
-
-#else
-#  warning rint() not built
 #endif

libs/libm/libm/arm/armv8-m/arch_rintf.c

@@ -40,14 +40,10 @@
  ****************************************************************************/
 
 #if __ARM_ARCH >= 8 && !defined (__SOFTFP__)
-
 float rintf(float x)
 {
   float result;
   asm volatile ("vrintx.f32\t%0, %1" : "=t" (result) : "t" (x));
   return result;
 }
-
-#else
-#  warning rintf() not built
 #endif

libs/libm/libm/arm/armv8-m/arch_round.c

@@ -40,14 +40,10 @@
  ****************************************************************************/
 
 #if __ARM_ARCH >= 8 && (__ARM_FP & 0x8) && !defined (__SOFTFP__)
-
 double round(double x)
 {
   double result;
   asm volatile ("vrinta.f64\t%P0, %P1" : "=w" (result) : "w" (x));
   return result;
 }
-
-#else
-#  warning round() not built
 #endif

libs/libm/libm/arm/armv8-m/arch_roundf.c

@@ -40,14 +40,10 @@
  ****************************************************************************/
 
 #if __ARM_ARCH >= 8 && !defined (__SOFTFP__)
-
 float roundf(float x)
 {
   float result;
   asm volatile ("vrinta.f32\t%0, %1" : "=t" (result) : "t" (x));
   return result;
 }
-
-#else
-#  warning roundf() not built
 #endif

libs/libm/libm/arm/armv8-m/arch_trunc.c

@@ -40,14 +40,10 @@
  ****************************************************************************/
 
 #if __ARM_ARCH >= 8 && (__ARM_FP & 0x8) && !defined (__SOFTFP__)
-
 double trunc(double x)
 {
   double result;
   asm volatile ("vrintz.f64\t%P0, %P1" : "=w" (result) : "w" (x));
   return result;
 }
-
-#else
-#  warning trunc() not built
 #endif

libs/libm/libm/arm/armv8-m/arch_truncf.c

@@ -40,14 +40,10 @@
  ****************************************************************************/
 
 #if __ARM_ARCH >= 8 && !defined (__SOFTFP__)
-
 float truncf(float x)
 {
   float result;
   asm volatile ("vrintz.f32\t%0, %1" : "=t" (result) : "t" (x));
   return result;
 }
-
-#else
-#  warning truncf() not built
 #endif