target-supports.exp (check_effective_target_pow10): New.

	* lib/target-supports.exp (check_effective_target_pow10): New.
	* g++.dg/cdce3.C: Set GNU_EXTENSION if pow10.

From-SVN: r140618

3 files changed, 55 insertions, 36 deletions

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c93187e..411cf0c 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2008-09-23  Steve Ellcey  <sje@cup.hp.com>
+
+	* lib/target-supports.exp (check_effective_target_pow10): New.
+	* g++.dg/cdce3.C: Set GNU_EXTENSION if pow10.
+
 2008-09-23  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/37533
diff --git a/gcc/testsuite/g++.dg/cdce3.C b/gcc/testsuite/g++.dg/cdce3.C
index d70fa6d..b73ebf8 100644
--- a/gcc/testsuite/g++.dg/cdce3.C
+++ b/gcc/testsuite/g++.dg/cdce3.C
@@ -1,24 +1,25 @@
 /* { dg-do run } */
 /* { dg-require-effective-target c99_runtime } */
-/* { dg-options "-O2 -fmath-errno -fdump-tree-cdce-details -DNO_GNU_EXTENSION -lm" { target "*-*-darwin*" } } */
-/* { dg-options "-O2 -fmath-errno -fdump-tree-cdce-details  -lm" { target { {! "*-*-darwin*" } && large_long_double } } }*/
-/* { dg-options "-O2 -fmath-errno -fdump-tree-cdce-details -DNO_LONG_DOUBLE -lm" { target {! large_long_double } } } */
-/* { dg-final { scan-tree-dump  "cdce3.C:90: note: function call is shrink-wrapped into error conditions\." "cdce" { target {! "*-*-darwin*" } } } }*/
-/* { dg-final { scan-tree-dump  "cdce3.C:91: note: function call is shrink-wrapped into error conditions\." "cdce" { target {! "*-*-darwin*" } } } }*/
-/* { dg-final { scan-tree-dump  "cdce3.C:93: note: function call is shrink-wrapped into error conditions\." "cdce" } }*/
-/* { dg-final { scan-tree-dump  "cdce3.C:94: note: function call is shrink-wrapped into error conditions\." "cdce" } }*/
-/* { dg-final { scan-tree-dump  "cdce3.C:95: note: function call is shrink-wrapped into error conditions\." "cdce" } }*/
-/* { dg-final { scan-tree-dump  "cdce3.C:96: note: function call is shrink-wrapped into error conditions\." "cdce" } }*/
-/* { dg-final { scan-tree-dump  "cdce3.C:97: note: function call is shrink-wrapped into error conditions\." "cdce" } }*/
-/* { dg-final { scan-tree-dump  "cdce3.C:98: note: function call is shrink-wrapped into error conditions\." "cdce" } }*/
-/* { dg-final { scan-tree-dump  "cdce3.C:99: note: function call is shrink-wrapped into error conditions\." "cdce" } }*/
-/* { dg-final { scan-tree-dump  "cdce3.C:100: note: function call is shrink-wrapped into error conditions\." "cdce" } }*/
-/* { dg-final { scan-tree-dump  "cdce3.C:101: note: function call is shrink-wrapped into error conditions\." "cdce" } }*/
-/* { dg-final { scan-tree-dump  "cdce3.C:102: note: function call is shrink-wrapped into error conditions\." "cdce" } }*/
-/* { dg-final { scan-tree-dump  "cdce3.C:103: note: function call is shrink-wrapped into error conditions\." "cdce" } }*/
-/* { dg-final { scan-tree-dump  "cdce3.C:104: note: function call is shrink-wrapped into error conditions\." "cdce" } }*/
-/* { dg-final { scan-tree-dump  "cdce3.C:105: note: function call is shrink-wrapped into error conditions\." "cdce" } }*/
-/* { dg-final { scan-tree-dump  "cdce3.C:106: note: function call is shrink-wrapped into error conditions\." "cdce" } }*/
+/* { dg-options "-O2 -fmath-errno -fdump-tree-cdce-details  -DGNU_EXTENSION -DLARGE_LONG_DOUBLE -lm" { target { pow10 && large_long_double } } } */
+/* { dg-options "-O2 -fmath-errno -fdump-tree-cdce-details -DLARGE_LONG_DOUBLE -lm" { target { {! pow10 } && large_long_double } } } */
+/* { dg-options "-O2 -fmath-errno -fdump-tree-cdce-details -DGNU_EXTENSION -lm" { target {pow10 && {! large_long_double } } } } */
+/* { dg-options "-O2 -fmath-errno -fdump-tree-cdce-details -lm" { target { {! pow10 } && {! large_long_double } } } } */
+/* { dg-final { scan-tree-dump  "cdce3.C:91: note: function call is shrink-wrapped into error conditions\." "cdce" { target { pow10 } } } } */
+/* { dg-final { scan-tree-dump  "cdce3.C:92: note: function call is shrink-wrapped into error conditions\." "cdce" { target { pow10 } } } } */
+/* { dg-final { scan-tree-dump  "cdce3.C:94: note: function call is shrink-wrapped into error conditions\." "cdce" } } */
+/* { dg-final { scan-tree-dump  "cdce3.C:95: note: function call is shrink-wrapped into error conditions\." "cdce" } } */
+/* { dg-final { scan-tree-dump  "cdce3.C:96: note: function call is shrink-wrapped into error conditions\." "cdce" } } */
+/* { dg-final { scan-tree-dump  "cdce3.C:97: note: function call is shrink-wrapped into error conditions\." "cdce" } } */
+/* { dg-final { scan-tree-dump  "cdce3.C:98: note: function call is shrink-wrapped into error conditions\." "cdce" } } */
+/* { dg-final { scan-tree-dump  "cdce3.C:99: note: function call is shrink-wrapped into error conditions\." "cdce" } } */
+/* { dg-final { scan-tree-dump  "cdce3.C:100: note: function call is shrink-wrapped into error conditions\." "cdce" } } */
+/* { dg-final { scan-tree-dump  "cdce3.C:101: note: function call is shrink-wrapped into error conditions\." "cdce" } } */
+/* { dg-final { scan-tree-dump  "cdce3.C:102: note: function call is shrink-wrapped into error conditions\." "cdce" } } */
+/* { dg-final { scan-tree-dump  "cdce3.C:103: note: function call is shrink-wrapped into error conditions\." "cdce" } } */
+/* { dg-final { scan-tree-dump  "cdce3.C:104: note: function call is shrink-wrapped into error conditions\." "cdce" } } */
+/* { dg-final { scan-tree-dump  "cdce3.C:105: note: function call is shrink-wrapped into error conditions\." "cdce" } } */
+/* { dg-final { scan-tree-dump  "cdce3.C:106: note: function call is shrink-wrapped into error conditions\." "cdce" } } */
+/* { dg-final { scan-tree-dump  "cdce3.C:107: note: function call is shrink-wrapped into error conditions\." "cdce" } } */
 /* { dg-final { cleanup-tree-dump "cdce" } } */
 #include <stdlib.h>
 #include <math.h>
@@ -29,8 +30,9 @@
 typedef void (*FP) (int xp);
 #define NI __attribute__((noinline))
 
-#if defined(NO_LONG_DOUBLE)
-double result;
+#if defined(LARGE_LONG_DOUBLE)
+typedef long double ldouble; 
+ldouble result;
 
 #define DEF_MATH_FUNC(prefix, name) NI void prefix##name##f (int x) \
 { \
@@ -41,10 +43,14 @@ NI void prefix##name (int x) \
 { \
   double yy = name ((double)x); \
   STORE_RESULT; \
+} \
+NI void prefix##name##l (int x) \
+{ \
+  ldouble yy = name##l ((ldouble)x); \
+  STORE_RESULT; \
 }
 #else
-typedef long double ldouble; 
-ldouble result;
+double result;
 
 #define DEF_MATH_FUNC(prefix, name) NI void prefix##name##f (int x) \
 { \
@@ -55,17 +61,12 @@ NI void prefix##name (int x) \
 { \
   double yy = name ((double)x); \
   STORE_RESULT; \
-} \
-NI void prefix##name##l (int x) \
-{ \
-  ldouble yy = name##l ((ldouble)x); \
-  STORE_RESULT; \
 }
 #endif
 
 #undef STORE_RESULT
 #define STORE_RESULT result = yy
-#if !defined(NO_GNU_EXTENSION)
+#if defined(GNU_EXTENSION)
 DEF_MATH_FUNC (m,pow10)
 DEF_MATH_FUNC (m,exp10)
 #endif
@@ -86,7 +87,7 @@ DEF_MATH_FUNC (m,sqrt)
 
 #undef STORE_RESULT
 #define STORE_RESULT
-#if !defined(NO_GNU_EXTENSION)
+#if defined(GNU_EXTENSION)
 DEF_MATH_FUNC (o,pow10)
 DEF_MATH_FUNC (o,exp10)
 #endif
@@ -105,13 +106,13 @@ DEF_MATH_FUNC (o,log10)
 DEF_MATH_FUNC (o,log1p)
 DEF_MATH_FUNC (o,sqrt)
 
-#if defined(NO_LONG_DOUBLE)
-#define INIT_MATH_FUNC(prefix, name, lb, ub) { prefix##name##f, #name "f", 0, 0, lb, ub }, \
-{ prefix##name, #name, 0, 0, lb, ub },
-#else
+#if defined(LARGE_LONG_DOUBLE)
 #define INIT_MATH_FUNC(prefix, name, lb, ub) { prefix##name##f, #name "f", 0, 0, lb, ub }, \
 { prefix##name, #name, 0, 0, lb, ub }, \
 { prefix##name##l, #name "l" , 0, 0, lb, ub }, 
+#else
+#define INIT_MATH_FUNC(prefix, name, lb, ub) { prefix##name##f, #name "f", 0, 0, lb, ub }, \
+{ prefix##name, #name, 0, 0, lb, ub },
 #endif
 
 struct MathFuncInfo
@@ -123,7 +124,7 @@ struct MathFuncInfo
   bool has_lb;
   bool has_ub;
 } math_func_arr[] = { 
-#if !defined(NO_GNU_EXTENSION)
+#if defined(GNU_EXTENSION)
   INIT_MATH_FUNC (m,pow10, false, true)
   INIT_MATH_FUNC (m,exp10, false, true)
 #endif
@@ -145,7 +146,7 @@ struct MathFuncInfo
 
 MathFuncInfo opt_math_func_arr[] = 
 {
-#if !defined(NO_GNU_EXTENSION)
+#if defined(GNU_EXTENSION)
   INIT_MATH_FUNC (o,pow10, false, true)
   INIT_MATH_FUNC (o,exp10, false, true)
 #endif
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index 72117c6..a5e03bf 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -2612,3 +2612,16 @@ proc check_effective_target_wchar_t_char32_t_compatible { } {
         char t[(((__CHAR32_TYPE__) -1) < 0 == ((__WCHAR_TYPE__) -1) < 0) ? 1 : -1];
     }]
 }
+
+# Return 1 if pow10 function exists.
+
+proc check_effective_target_pow10 { } {
+    return [check_runtime pow10 {
+	#include <math.h>
+	int main () {
+	double x;
+	x = pow10 (1);
+	return 0;
+	}
+    } "-lm" ]
+}