33 lines
793 B
C
33 lines
793 B
C
/* { dg-do compile } */
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/* { dg-options "-fdump-rtl-peephole2 -dp" } */
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/* { dg-skip-if "code quality test" { *-*-* } { "-O0" "-O1" } { "" } } */
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typedef int __attribute__ ((mode (QI))) int_t;
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void
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eq_ctzqi (int_t *w, int_t *x)
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{
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int_t v;
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v = __builtin_ctz (*x);
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if (*x == 0)
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*w = v;
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else
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*w = v + 2;
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}
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/* Expect assembly like:
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movb *8(%ap),%r1 # 34 [c=24] *movqi
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ffs $0,$8,%r1,%r0 # 49 [c=4] *ctzqi2_ccz
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jeql .L3 # 38 [c=26] *branch_ccz
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addb2 $2,%r0 # 33 [c=32] *addqi3
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.L3:
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*/
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/* { dg-final { scan-rtl-dump-times "Splitting with gen_peephole2" 2 "peephole2" } } */
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/* { dg-final { scan-assembler-not "\t(bit|cmpz?|tst). " } } */
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/* { dg-final { scan-assembler "ctzqi\[^ \]*_ccz(/\[0-9\]+)?\n" } } */
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/* { dg-final { scan-assembler "branch_ccz\n" } } */
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