04fce706bd
Add a small test for RXSBG with T=1 to prevent regressions. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Message-Id: <20230316172205.281369-3-iii@linux.ibm.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
47 lines
862 B
C
47 lines
862 B
C
/*
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* Test the RXSBG 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__)) void
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rxsbg(unsigned long *r1, unsigned long r2, int i3, int i4, int i5, int *cc)
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{
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asm("rxsbg %[r1],%[r2],%[i3],%[i4],%[i5]\n"
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"ipm %[cc]"
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: [r1] "+r" (*r1), [cc] "=r" (*cc)
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: [r2] "r" (r2) , [i3] "i" (i3) , [i4] "i" (i4) , [i5] "i" (i5)
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: "cc");
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*cc = (*cc >> 28) & 3;
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}
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void test_cc0(void)
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{
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unsigned long r1 = 6;
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int cc;
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rxsbg(&r1, 3, 61 | 0x80, 62, 1, &cc);
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assert(r1 == 6);
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assert(cc == 0);
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}
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void test_cc1(void)
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{
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unsigned long r1 = 2;
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int cc;
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rxsbg(&r1, 3, 61 | 0x80, 62, 1, &cc);
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assert(r1 == 2);
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assert(cc == 1);
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}
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int main(void)
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{
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test_cc0();
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test_cc1();
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return EXIT_SUCCESS;
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}
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