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-rw-r--r--gcc/testsuite/ChangeLog6
-rw-r--r--gcc/testsuite/g++.dg/other/pr59492.C1
-rw-r--r--gcc/testsuite/lib/target-supports.exp14
3 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 818e002..f1c61a6 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2017-05-01 Tom de Vries <tom@codesourcery.com>
+
+ PR testsuite/65941
+ * lib/target-supports.exp (check_effective_target_rdrand): New proc.
+ * g++.dg/other/pr59492.C: Require effective target rdrand.
+
2017-04-29 Volker Reichelt <v.reichelt@netcologne.de>
* g++.dg/diagnostic/member-decl-1.C: New test.
diff --git a/gcc/testsuite/g++.dg/other/pr59492.C b/gcc/testsuite/g++.dg/other/pr59492.C
index 84bd255..92694ae 100644
--- a/gcc/testsuite/g++.dg/other/pr59492.C
+++ b/gcc/testsuite/g++.dg/other/pr59492.C
@@ -2,6 +2,7 @@
// { dg-options "-mx32 -fPIC" }
// { dg-require-ifunc "" }
// { dg-require-effective-target maybe_x32 }
+// { dg-require-effective-target rdrand }
void
__throw_runtime_error(const char*) __attribute__((__noreturn__));
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index 342af27..83e7f26 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -8296,6 +8296,20 @@ proc check_effective_target_store_merge { } {
return 0
}
+# Return 1 if we're able to assemble rdrand
+
+proc check_effective_target_rdrand { } {
+ return [check_no_compiler_messages_nocache rdrand object {
+ unsigned int
+ __foo(void)
+ {
+ unsigned int val;
+ __builtin_ia32_rdrand32_step(&val);
+ return val;
+ }
+ } "-mrdrnd" ]
+}
+
# Return 1 if the target supports coprocessor instructions: cdp, ldc, stc, mcr and
# mrc.
proc check_effective_target_arm_coproc1_ok_nocache { } {