commit e30889fa7024ccfd47731aafbaf2288646b65504
Author: Kyrylo Tkachov <kyrylo.tkachov@arm.com>
Date: Wed May 13 16:08:03 2015 +0100
Add testsuite check for hw sqrt. Add generic test for pow sqrt synthesis
new file mode 100644
@@ -0,0 +1,38 @@
+/* { dg-do compile { target hw_sqrt } } */
+/* { dg-options "-fdump-tree-sincos -Ofast --param max-pow-sqrt-depth=8" } */
+/* { dg-additional-options "-mfloat-abi=softfp -mfpu=neon-vfpv4" { target arm*-*-* } } */
+
+double
+foo (double a)
+{
+ return __builtin_pow (a, -5.875);
+}
+
+double
+foof (double a)
+{
+ return __builtin_pow (a, 0.75f);
+}
+
+double
+bar (double a)
+{
+ return __builtin_pow (a, 1.0 + 0.00390625);
+}
+
+double
+baz (double a)
+{
+ return __builtin_pow (a, -1.25) + __builtin_pow (a, 5.75) - __builtin_pow (a, 3.375);
+}
+
+#define N 256
+void
+vecfoo (double *a)
+{
+ for (int i = 0; i < N; i++)
+ a[i] = __builtin_pow (a[i], 1.25);
+}
+
+/* { dg-final { scan-tree-dump-times "synthesizing" 7 "sincos" } } */
+/* { dg-final { cleanup-tree-dump "sincos" } } */
deleted file mode 100644
@@ -1,38 +0,0 @@
-/* { dg-do compile } */
-/* { dg-options "-fdump-tree-sincos -Ofast --param max-pow-sqrt-depth=8" } */
-
-
-double
-foo (double a)
-{
- return __builtin_pow (a, -5.875);
-}
-
-double
-foof (double a)
-{
- return __builtin_pow (a, 0.75f);
-}
-
-double
-bar (double a)
-{
- return __builtin_pow (a, 1.0 + 0.00390625);
-}
-
-double
-baz (double a)
-{
- return __builtin_pow (a, -1.25) + __builtin_pow (a, 5.75) - __builtin_pow (a, 3.375);
-}
-
-#define N 256
-void
-vecfoo (double *a)
-{
- for (int i = 0; i < N; i++)
- a[i] = __builtin_pow (a[i], 1.25);
-}
-
-/* { dg-final { scan-tree-dump-times "synthesizing" 7 "sincos" } } */
-/* { dg-final { cleanup-tree-dump "sincos" } } */
\ No newline at end of file
@@ -4668,6 +4668,27 @@ proc check_effective_target_vect_call_copysignf { } {
return $et_vect_call_copysignf_saved
}
+# Return 1 if the target supports hardware square root instructions.
+
+proc check_effective_target_hw_sqrt { } {
+ global et_hw_sqrt_saved
+
+ if [info exists et_hw_sqrt_saved] {
+ verbose "check_effective_target_hw_sqrt: using cached result" 2
+ } else {
+ set et_hw_sqrt_saved 0
+ if { [istarget x86_64-*-*]
+ || ([istarget powerpc*-*-*] && [check_vsx_hw_available])
+ || [istarget aarch64*-*-*]
+ || ([istarget arm*-*-*] && [check_effective_target_arm_vfp_ok]) } {
+ set et_hw_sqrt_saved 1
+ }
+ }
+
+ verbose "check_effective_target_hw_sqrt: returning et_hw_sqrt_saved" 2
+ return $et_hw_sqrt_saved
+}
+
# Return 1 if the target supports vector sqrtf calls.
proc check_effective_target_vect_call_sqrtf { } {