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[RFC,v2,03/76] target/riscv: fix rsub gvec tcg_assert_listed_vecop assertion

Message ID 20200722091641.8834-4-frank.chang@sifive.com (mailing list archive)
State New, archived
Headers show
Series target/riscv: support vector extension v0.9 | expand

Commit Message

Frank Chang July 22, 2020, 9:15 a.m. UTC
From: Frank Chang <frank.chang@sifive.com>

gvec should provide vecop_list to avoid:
"tcg_tcg_assert_listed_vecop: code should not be reached bug" assertion.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
---
 target/riscv/insn_trans/trans_rvv.inc.c | 5 +++++
 1 file changed, 5 insertions(+)

Comments

Richard Henderson July 22, 2020, 4:18 p.m. UTC | #1
On 7/22/20 2:15 AM, frank.chang@sifive.com wrote:
> From: Frank Chang <frank.chang@sifive.com>
> 
> gvec should provide vecop_list to avoid:
> "tcg_tcg_assert_listed_vecop: code should not be reached bug" assertion.
> 
> Signed-off-by: Frank Chang <frank.chang@sifive.com>
> ---
>  target/riscv/insn_trans/trans_rvv.inc.c | 5 +++++
>  1 file changed, 5 insertions(+)

It would be handy if you would rebase on master when you re-post, since this
patch and the 4 following were merged to master on July 14.


r~
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Patch

diff --git a/target/riscv/insn_trans/trans_rvv.inc.c b/target/riscv/insn_trans/trans_rvv.inc.c
index dc333e6a91..433cdacbe1 100644
--- a/target/riscv/insn_trans/trans_rvv.inc.c
+++ b/target/riscv/insn_trans/trans_rvv.inc.c
@@ -958,22 +958,27 @@  static void gen_rsub_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b)
 static void tcg_gen_gvec_rsubs(unsigned vece, uint32_t dofs, uint32_t aofs,
                                TCGv_i64 c, uint32_t oprsz, uint32_t maxsz)
 {
+    static const TCGOpcode vecop_list[] = { INDEX_op_sub_vec, 0 };
     static const GVecGen2s rsub_op[4] = {
         { .fni8 = gen_vec_rsub8_i64,
           .fniv = gen_rsub_vec,
           .fno = gen_helper_vec_rsubs8,
+          .opt_opc = vecop_list,
           .vece = MO_8 },
         { .fni8 = gen_vec_rsub16_i64,
           .fniv = gen_rsub_vec,
           .fno = gen_helper_vec_rsubs16,
+          .opt_opc = vecop_list,
           .vece = MO_16 },
         { .fni4 = gen_rsub_i32,
           .fniv = gen_rsub_vec,
           .fno = gen_helper_vec_rsubs32,
+          .opt_opc = vecop_list,
           .vece = MO_32 },
         { .fni8 = gen_rsub_i64,
           .fniv = gen_rsub_vec,
           .fno = gen_helper_vec_rsubs64,
+          .opt_opc = vecop_list,
           .prefer_i64 = TCG_TARGET_REG_BITS == 64,
           .vece = MO_64 },
     };