diff options
Diffstat (limited to 'gitlab/issues/target_riscv/host_missing/accel_TCG/1028.toml')
| -rw-r--r-- | gitlab/issues/target_riscv/host_missing/accel_TCG/1028.toml | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/gitlab/issues/target_riscv/host_missing/accel_TCG/1028.toml b/gitlab/issues/target_riscv/host_missing/accel_TCG/1028.toml deleted file mode 100644 index c3cb8fd6..00000000 --- a/gitlab/issues/target_riscv/host_missing/accel_TCG/1028.toml +++ /dev/null @@ -1,42 +0,0 @@ -id = 1028 -title = "Assert fail for RISC-V RVV vmv.v.x for e64, vl == vl_max on RV32 guest" -state = "closed" -created_at = "2022-05-17T10:13:33.837Z" -closed_at = "2022-06-09T01:27:05.150Z" -labels = ["accel: TCG", "target: riscv"] -url = "https://gitlab.com/qemu-project/qemu/-/issues/1028" -host-os = "(CentOS-8.5.2111)" -host-arch = "(x86)" -qemu-version = "(7.0.0)" -guest-os = "(baremetal)" -guest-arch = "(RV32)" -description = """assert message: -qemu/tcg/tcg-op-gvec.c:1714: tcg_gen_gvec_dup_i32: Assertion `vece <= MO_32' failed. - -For a e64 vmv.v.x, in the file trans_rvv.c.inc, function "trans_vmv_v_x", when s->vl_eq_vlmax is true, then "tcg_gen_gvec_dup_tl" (it's defined to tcg_gen_gvec_dup_i32 for RV32) is called. In "tcg_gen_gvec_dup_i32" the assert "tcg_debug_assert(vece <= MO_32) will be triggered, since vece == MO_64 for e64.""" -reproduce = """1.enable cfg.Zve64f - -2.Prepare a problem as set e64, vl == vl_max and use vmv.v.x, maybe as below -``` - li t0, -1, - vsetvli x0, t0, e64,m1,tu,mu - li t1, -1 - vmv.v.x v0, t1 -```""" -additional = """Below is a possible solution if it's appropriate. -``` -#if TARGET_LONG_BITS == 32 - if (s->sew == 3) { - TCGv_i64 s1_i64 = tcg_temp_new_i64(); - tcg_gen_ext_tl_i64(s1_i64, s1); - tcg_gen_gvec_dup_i64(s->sew, vreg_ofs(s, a->rd), - MAXSZ(s), MAXSZ(s), s1_i64); - tcg_temp_free_i64(s1_i64); - } else { -#endif - tcg_gen_gvec_dup_tl(s->sew, vreg_ofs(s, a->rd), - MAXSZ(s), MAXSZ(s), s1); -#if TARGET_LONG_BITS == 32 - } -#endif -```""" |