45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/* { dg-do compile } */
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/* { dg-require-effective-target lp64 } */
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/* { dg-options "-O -fno-pie -mno-vis3 -mno-vis4" } */
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#include <stdbool.h>
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#include <stdint.h>
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bool my_uadd_overflow (uint64_t a, uint64_t b, uint64_t *res)
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{
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return __builtin_add_overflow (a, b, res);
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}
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bool my_usub_overflow (uint64_t a, uint64_t b, uint64_t *res)
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{
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return __builtin_sub_overflow (a, b, res);
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}
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bool my_uneg_overflow (uint64_t a, uint64_t *res)
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{
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return __builtin_sub_overflow (0, a, res);
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}
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bool my_add_overflow (int64_t a, int64_t b, int64_t *res)
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{
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return __builtin_add_overflow (a, b, res);
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}
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bool my_sub_overflow (int64_t a, int64_t b, int64_t *res)
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{
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return __builtin_sub_overflow (a, b, res);
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}
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bool my_neg_overflow (int64_t a, int64_t *res)
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{
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return __builtin_sub_overflow (0, a, res);
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}
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/* { dg-final { scan-assembler-times "addcc\t%" 2 } } */
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/* { dg-final { scan-assembler-times "subcc\t%" 4 } } */
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/* { dg-final { scan-assembler-times "movlu\t%" 1 } } */
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/* { dg-final { scan-assembler-times "blu" 2 } } */
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/* { dg-final { scan-assembler-times "bvs" 3 } } */
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/* { dg-final { scan-assembler-not "cmp\t%" } } */
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/* { dg-final { scan-assembler-not "save\t%" } } */
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