35 lines
919 B
C
35 lines
919 B
C
/* { dg-do compile } */
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/* { dg-options "-fdump-rtl-cmpelim -dp" } */
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/* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */
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typedef unsigned int __attribute__ ((mode (SI))) ulong_t;
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typedef int __attribute__ ((mode (SI))) long_t;
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typedef int __attribute__ ((mode (QI))) int_t;
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ulong_t
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eq_rotrsi (ulong_t x, int_t y)
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{
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long_t v;
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v = x >> y | x << 8 * sizeof (x) - y;
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if (v == 0)
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return v;
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else
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return v + 2;
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}
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/* Expect assembly like:
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mnegb 8(%ap),%r0 # 37 [c=16] *negqi2
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rotl %r0,4(%ap),%r0 # 38 [c=36] *rotrnegsi3_2_ccz
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jeql .L1 # 40 [c=26] *branch_ccz
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addl2 $2,%r0 # 36 [c=32] *addsi3
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.L1:
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*/
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/* { dg-final { scan-rtl-dump-times "deleting insn with uid" 1 "cmpelim" } } */
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/* { dg-final { scan-assembler-not "\t(bit|cmpz?|tst). " } } */
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/* { dg-final { scan-assembler "rotrnegsi\[^ \]*_ccz(/\[0-9\]+)?\n" } } */
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/* { dg-final { scan-assembler "branch_ccz\n" } } */
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