diff mbox series

[v3,03/33] target/arm: Assert oprsz in range when using vfp.qc

Message ID 20240528203044.612851-4-richard.henderson@linaro.org (mailing list archive)
State New, archived
Headers show
Series target/arm: Convert a64 advsimd to decodetree (part 1b) | expand

Commit Message

Richard Henderson May 28, 2024, 8:30 p.m. UTC 
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/tcg/gengvec.c | 9 +++++++++
 1 file changed, 9 insertions(+)

Comments

Peter Maydell May 30, 2024, 2:14 p.m. UTC | #1 
On Tue, 28 May 2024 at 21:30, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> Suggested-by: Peter Maydell <peter.maydell@linaro.org>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM
diff mbox series

Patch

diff --git a/target/arm/tcg/gengvec.c b/target/arm/tcg/gengvec.c
index bfe6885a01..3e2d3c21a1 100644
--- a/target/arm/tcg/gengvec.c
+++ b/target/arm/tcg/gengvec.c
@@ -29,6 +29,7 @@  static void gen_gvec_fn3_qc(uint32_t rd_ofs, uint32_t rn_ofs, uint32_t rm_ofs,
 {
     TCGv_ptr qc_ptr = tcg_temp_new_ptr();
 
+    tcg_debug_assert(opr_sz <= sizeof_field(CPUARMState, vfp.qc));
     tcg_gen_addi_ptr(qc_ptr, tcg_env, offsetof(CPUARMState, vfp.qc));
     tcg_gen_gvec_3_ptr(rd_ofs, rn_ofs, rm_ofs, qc_ptr,
                        opr_sz, max_sz, 0, fn);
@@ -1255,6 +1256,8 @@  void gen_gvec_uqadd_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
           .opt_opc = vecop_list,
           .vece = MO_64 },
     };
+
+    tcg_debug_assert(opr_sz <= sizeof_field(CPUARMState, vfp.qc));
     tcg_gen_gvec_4(rd_ofs, offsetof(CPUARMState, vfp.qc),
                    rn_ofs, rm_ofs, opr_sz, max_sz, &ops[vece]);
 }
@@ -1297,6 +1300,8 @@  void gen_gvec_sqadd_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
           .write_aofs = true,
           .vece = MO_64 },
     };
+
+    tcg_debug_assert(opr_sz <= sizeof_field(CPUARMState, vfp.qc));
     tcg_gen_gvec_4(rd_ofs, offsetof(CPUARMState, vfp.qc),
                    rn_ofs, rm_ofs, opr_sz, max_sz, &ops[vece]);
 }
@@ -1339,6 +1344,8 @@  void gen_gvec_uqsub_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
           .write_aofs = true,
           .vece = MO_64 },
     };
+
+    tcg_debug_assert(opr_sz <= sizeof_field(CPUARMState, vfp.qc));
     tcg_gen_gvec_4(rd_ofs, offsetof(CPUARMState, vfp.qc),
                    rn_ofs, rm_ofs, opr_sz, max_sz, &ops[vece]);
 }
@@ -1381,6 +1388,8 @@  void gen_gvec_sqsub_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
           .write_aofs = true,
           .vece = MO_64 },
     };
+
+    tcg_debug_assert(opr_sz <= sizeof_field(CPUARMState, vfp.qc));
     tcg_gen_gvec_4(rd_ofs, offsetof(CPUARMState, vfp.qc),
                    rn_ofs, rm_ofs, opr_sz, max_sz, &ops[vece]);
 }