33 lines
788 B
C
33 lines
788 B
C
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/* { 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 (SI))) int_t;
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int_t
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eq_ctzsi (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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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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movl 4(%ap),%r1 # 32 [c=16] *movsi_2
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ffs $0,$32,%r1,%r0 # 45 [c=4] *ctzsi2_ccz
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jeql .L1 # 35 [c=26] *branch_ccz
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addl2 $2,%r0 # 31 [c=32] *addsi3
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.L1:
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*/
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/* { dg-final { scan-rtl-dump-times "Splitting with gen_peephole2" 1 "peephole2" } } */
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/* { dg-final { scan-assembler-not "\t(bit|cmpz?|tst). " } } */
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/* { dg-final { scan-assembler "ctzsi\[^ \]*_ccz(/\[0-9\]+)?\n" } } */
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/* { dg-final { scan-assembler "branch_ccz\n" } } */
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