82fc148344
Add a small test to prevent regressions.
Cc: qemu-stable@nongnu.org
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230526181240.1425579-5-iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
(cherry picked from commit 230976232f)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
30 lines
657 B
C
30 lines
657 B
C
/*
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* Test the LOCFHR instruction.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include <assert.h>
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#include <stdlib.h>
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static inline __attribute__((__always_inline__)) long
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locfhr(long r1, long r2, int m3, int cc)
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{
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cc <<= 28;
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asm("spm %[cc]\n"
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"locfhr %[r1],%[r2],%[m3]\n"
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: [r1] "+r" (r1)
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: [cc] "r" (cc), [r2] "r" (r2), [m3] "i" (m3)
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: "cc");
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return r1;
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}
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int main(void)
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{
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assert(locfhr(0x1111111122222222, 0x3333333344444444, 8, 0) ==
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0x3333333322222222);
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assert(locfhr(0x5555555566666666, 0x7777777788888888, 11, 1) ==
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0x5555555566666666);
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return EXIT_SUCCESS;
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}
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