pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN, [...]): Define to OpenMP 5.0 pragmas even for GCC 10.0+.

	* include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
	_PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
	Define to OpenMP 5.0 pragmas even for GCC 10.0+.
	(_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.

From-SVN: r272634

libstdc++-v3/ChangeLog

+2019-06-25  Jakub Jelinek  <jakub@redhat.com>
+
+	* include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
+	_PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
+	Define to OpenMP 5.0 pragmas even for GCC 10.0+.
+	(_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
+
 2019-06-24  Jonathan Wakely  <jwakely@redhat.com>
 
 	* include/std/numeric (midpoint(T, T)): Change implementation for

libstdc++-v3/include/pstl/pstl_config.h

@@ -70,7 +70,7 @@
 #    define _PSTL_PRAGMA_FORCEINLINE
 #endif
 
-#if (__INTEL_COMPILER >= 1900)
+#if (__INTEL_COMPILER >= 1900) || (_PSTL_GCC_VERSION >= 100000)
 #    define _PSTL_PRAGMA_SIMD_SCAN(PRM) _PSTL_PRAGMA(omp simd reduction(inscan, PRM))
 #    define _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN(PRM) _PSTL_PRAGMA(omp scan inclusive(PRM))
 #    define _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN(PRM) _PSTL_PRAGMA(omp scan exclusive(PRM))
@@ -100,7 +100,11 @@
 #    define _PSTL_UDR_PRESENT 0
 #endif
 
-#define _PSTL_UDS_PRESENT (__INTEL_COMPILER >= 1900 && __INTEL_COMPILER_BUILD_DATE >= 20180626)
+#if ((__INTEL_COMPILER >= 1900 && __INTEL_COMPILER_BUILD_DATE >= 20180626) || _PSTL_GCC_VERSION >= 100000)
+#    define _PSTL_UDS_PRESENT 1
+#else
+#    define _PSTL_UDS_PRESENT 0
+#endif
 
 #if _PSTL_EARLYEXIT_PRESENT
 #    define _PSTL_PRAGMA_SIMD_EARLYEXIT _PSTL_PRAGMA(omp simd early_exit)