Add
void __cpuidex (int __cpuid_info[4], int __leaf, int __subleaf);
as well as include guard to <cpuid.h>.
gcc/
PR target/95973
PR target/96238
* config/i386/cpuid.h: Add include guard.
(__cpuidex): New.
gcc/testsuite/
PR target/95973
PR target/96238
* gcc.target/i386/pr95973.c: New test.
---
gcc/config/i386/cpuid.h | 12 ++++++++++++
gcc/testsuite/gcc.target/i386/pr95973.c | 26 +++++++++++++++++++++++++
2 files changed, 38 insertions(+)
create mode 100644 gcc/testsuite/gcc.target/i386/pr95973.c
diff --git a/gcc/config/i386/cpuid.h b/gcc/config/i386/cpuid.h
index 94af4910d3c..bca61d620db 100644
--- a/gcc/config/i386/cpuid.h
+++ b/gcc/config/i386/cpuid.h
@@ -21,6 +21,9 @@
* <http://www.gnu.org/licenses/>.
*/
+#ifndef _CPUID_H_INCLUDED
+#define _CPUID_H_INCLUDED
+
/* %eax */
#define bit_AVX512BF16 (1 << 5)
@@ -313,3 +316,12 @@ __get_cpuid_count (unsigned int __leaf, unsigned int
__subleaf,
__cpuid_count (__leaf, __subleaf, *__eax, *__ebx, *__ecx, *__edx);
return 1;
}
+
+static __inline void
+__cpuidex (int __cpuid_info[4], int __leaf, int __subleaf)
+{
+ __cpuid_count (__leaf, __subleaf, __cpuid_info[0], __cpuid_info[1],
+ __cpuid_info[2], __cpuid_info[3]);
+}
+
+#endif /* _CPUID_H_INCLUDED */
diff --git a/gcc/testsuite/gcc.target/i386/pr95973.c
b/gcc/testsuite/gcc.target/i386/pr95973.c
new file mode 100644
index 00000000000..6d8e8f12f64
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr95973.c
@@ -0,0 +1,26 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -Wall" } */
+
+#include <stdlib.h>
+#include <cpuid.h>
+#include <cpuid.h>
+
+int
+main ()
+{
+ unsigned int eax, ebx, ecx, edx;
+ int cpuid_info[4];
+
+ if (!__get_cpuid_count (7, 0, &eax, &ebx, &ecx, &edx))
+ return 0;
+
+ __cpuidex (cpuid_info, 7, 0);
+
+ if (cpuid_info[0] != eax
+ || cpuid_info[1] != ebx
+ || cpuid_info[2] != ecx
+ || cpuid_info[3] != edx)
+ abort ();
+
+ return 0;
+}
--
2.26.2
