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bug#43583: [PATCH 2/4] Fix building DFLTCC with clang
From: |
Ilya Leoshkevich |
Subject: |
bug#43583: [PATCH 2/4] Fix building DFLTCC with clang |
Date: |
Thu, 24 Sep 2020 00:08:55 +0200 |
clang does not support .machinemode, so put it under an #ifdef.
---
dfltcc.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/dfltcc.c b/dfltcc.c
index 432c68c..86aa56e 100644
--- a/dfltcc.c
+++ b/dfltcc.c
@@ -160,10 +160,15 @@ is_dfltcc_enabled (void)
/* STFLE is supported since z9-109 and only in z/Architecture mode. When
* compiling with -m31, gcc defaults to ESA mode, however, since the kernel
* is 64-bit, it's always z/Architecture mode at runtime. */
- __asm__ (".machinemode push\n"
+ __asm__ (
+#ifndef __clang__
+ ".machinemode push\n"
".machinemode zarch\n"
+#endif
"stfle %[facilities]\n"
+#ifndef __clang__
".machinemode pop\n"
+#endif
: [facilities] "=Q"(facilities), [r0] "+r"(r0) :: "cc");
return is_bit_set (facilities, DFLTCC_FACILITY);
}
--
2.25.4