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896e043830
After the middle-end support the form 10 of unsigned SAT_SUB and
the RISC-V backend implement the scalar .SAT_SUB, add more test
case to cover the form 10 of unsigned .SAT_SUB.
Form 10:
#define SAT_SUB_U_10(T) \
T sat_sub_u_10_##T (T x, T y) \
{ \
T ret; \
T overflow = __builtin_sub_overflow (x, y, &ret); \
return !overflow ? ret : 0; \
}
Passed the rv64gcv fully regression test.
gcc/testsuite/ChangeLog:
* gcc.target/riscv/sat_arith.h: Add helper macro for test.
* gcc.target/riscv/sat_u_sub-37.c: New test.
* gcc.target/riscv/sat_u_sub-38.c: New test.
* gcc.target/riscv/sat_u_sub-39.c: New test.
* gcc.target/riscv/sat_u_sub-40.c: New test.
* gcc.target/riscv/sat_u_sub-run-37.c: New test.
* gcc.target/riscv/sat_u_sub-run-38.c: New test.
* gcc.target/riscv/sat_u_sub-run-39.c: New test.
* gcc.target/riscv/sat_u_sub-run-40.c: New test.
Signed-off-by: Pan Li <pan2.li@intel.com>
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