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pc-bios/s390-ccw: Fix inline assembly for older versions of Clang

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Clang versions before v11.0 insist on having the %rX or %cX register
names instead of just a number. Since our Travis-CI is currently
still using Clang v6.0, we have to fix this to avoid failing jobs.

Message-Id: <20210512171550.476130-2-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Thomas Huth 2021-05-12 19:15:48 +02:00
parent 2ed765fdee
commit 052b66e721
4 changed files with 8 additions and 8 deletions
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2
pc-bios/s390-ccw/virtio.c
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@ -54,7 +54,7 @@ static long kvm_hypercall(unsigned long nr, unsigned long param1,
register ulong r_param3 asm("4") = param3;
register long retval asm("2");
asm volatile ("diag 2,4,0x500"
asm volatile ("diag %%r2,%%r4,0x500"
: "=d" (retval)
: "d" (r_nr), "0" (r_param1), "r"(r_param2), "d"(r_param3)
: "memory", "cc");