diff --git a/gcc/config/riscv/autovec.md b/gcc/config/riscv/autovec.md index 493d57454858f81e2f825662789cf253ffd3387d..f6d8616d5a206acc1b83e5311a881049ea9fa379 100644 --- a/gcc/config/riscv/autovec.md +++ b/gcc/config/riscv/autovec.md @@ -1401,9 +1401,9 @@ /* If we set the first element, emit an v(f)mv.s.[xf]. */ if (operands[2] == const0_rtx) { - rtx ops[] = {operands[0], operands[1]}; + rtx ops[] = {operands[0], operands[0], operands[1]}; riscv_vector::emit_nonvlmax_insn (code_for_pred_broadcast (<MODE>mode), - riscv_vector::SCALAR_MOVE_OP, ops, CONST1_RTX (Pmode)); + riscv_vector::SCALAR_MOVE_MERGED_OP, ops, CONST1_RTX (Pmode)); } else { diff --git a/gcc/config/riscv/riscv-protos.h b/gcc/config/riscv/riscv-protos.h index 5a2d218d67bdea00ae8c0baf19237a7b38295e18..6d9367d9602198d4581fd88aca31ab160570e246 100644 --- a/gcc/config/riscv/riscv-protos.h +++ b/gcc/config/riscv/riscv-protos.h @@ -345,6 +345,10 @@ enum insn_type : unsigned int SCALAR_MOVE_OP = HAS_DEST_P | HAS_MASK_P | USE_ONE_TRUE_MASK_P | HAS_MERGE_P | USE_VUNDEF_MERGE_P | TDEFAULT_POLICY_P | MDEFAULT_POLICY_P | UNARY_OP_P, + + SCALAR_MOVE_MERGED_OP = HAS_DEST_P | HAS_MASK_P | USE_ONE_TRUE_MASK_P + | HAS_MERGE_P | TDEFAULT_POLICY_P | MDEFAULT_POLICY_P + | UNARY_OP_P, }; enum vlmul_type diff --git a/gcc/testsuite/gcc.target/riscv/rvv/base/scalar-move-merged-run-1.c b/gcc/testsuite/gcc.target/riscv/rvv/base/scalar-move-merged-run-1.c new file mode 100644 index 0000000000000000000000000000000000000000..7aee75c6940882fce9f673c7e39a4026e24a2ff4 --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/rvv/base/scalar-move-merged-run-1.c @@ -0,0 +1,29 @@ +/* { dg-do run { target { riscv_vector } } } */ +/* { dg-options "-O3 -Wno-psabi" } */ + +#define TEST_VAL 2 + +typedef long long vl_t __attribute__((vector_size(2 * sizeof (long long)))); + +void init_vl (vl_t *u) +{ + vl_t t; + long long *p = (long long *)&t; + + p[0] = p[1] = TEST_VAL; + + *u = t; +} + +int +main () +{ + vl_t vl = {}; + + init_vl (&vl); + + if (vl[0] != TEST_VAL || vl[1] != TEST_VAL) + __builtin_abort (); + + return 0; +}