From 83fcd573b121939e850d9a9836e24298d189aa79 Mon Sep 17 00:00:00 2001 From: Frank Chang Date: Fri, 10 Dec 2021 15:56:08 +0800 Subject: [PATCH] target/riscv: rvv-1.0: fix address index overflow bug of indexed load/store insns Replace ETYPE from signed int to unsigned int to prevent index overflow issue, which would lead to wrong index address. Signed-off-by: Frank Chang Reviewed-by: Richard Henderson Reviewed-by: Alistair Francis Message-Id: <20211210075704.23951-23-frank.chang@sifive.com> Signed-off-by: Alistair Francis --- target/riscv/vector_helper.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index df45c1620c..3da4f3b1e6 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -374,10 +374,10 @@ static target_ulong NAME(target_ulong base, \ return (base + *((ETYPE *)vs2 + H(idx))); \ } -GEN_VEXT_GET_INDEX_ADDR(idx_b, int8_t, H1) -GEN_VEXT_GET_INDEX_ADDR(idx_h, int16_t, H2) -GEN_VEXT_GET_INDEX_ADDR(idx_w, int32_t, H4) -GEN_VEXT_GET_INDEX_ADDR(idx_d, int64_t, H8) +GEN_VEXT_GET_INDEX_ADDR(idx_b, uint8_t, H1) +GEN_VEXT_GET_INDEX_ADDR(idx_h, uint16_t, H2) +GEN_VEXT_GET_INDEX_ADDR(idx_w, uint32_t, H4) +GEN_VEXT_GET_INDEX_ADDR(idx_d, uint64_t, H8) static inline void vext_ldst_index(void *vd, void *v0, target_ulong base,