Add testcase for PR111751 which has been fixed: https://gcc.gnu.org/pipermail/gcc-patches/2023-October/632474.html
PR target/111751 gcc/testsuite/ChangeLog: * gcc.target/riscv/rvv/autovec/pr111751.c: New test. --- .../gcc.target/riscv/rvv/autovec/pr111751.c | 55 +++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/autovec/pr111751.c diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr111751.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr111751.c new file mode 100644 index 00000000000..0f1e8a7d567 --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr111751.c @@ -0,0 +1,55 @@ +/* { dg-do compile } */ +/* { dg-options "-march=rv64gcv -mabi=lp64d -O3" } */ + +#define N 16 + +int foo1 () +{ + int i; + char ia[N]; + char ic[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45}; + char ib[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45}; + + /* Not vectorizable, multiplication */ + for (i = 0; i < N; i++) + { + ia[i] = ib[i] * ic[i]; + } + + /* check results: */ + for (i = 0; i < N; i++) + { + if (ia[i] != (char) (ib[i] * ic[i])) + __builtin_abort (); + } + + return 0; +} + +typedef int half_word; + +int foo2 () +{ + int i; + half_word ia[N]; + half_word ic[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45}; + half_word ib[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45}; + + /* Not worthwhile, only 2 parts per int */ + for (i = 0; i < N; i++) + { + ia[i] = ib[i] + ic[i]; + } + + /* check results: */ + for (i = 0; i < N; i++) + { + if (ia[i] != ib[i] + ic[i]) + __builtin_abort (); + } + + return 0; +} + +/* { dg-final { scan-assembler-times {li\s+[a-x0-9]+,0\s+ret} 2 } } */ +/* { dg-final { scan-assembler-not {vset} } } */ -- 2.36.3