haraldwolff/qemu-patch-raspberry4
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target/riscv: fix vrgather macro index variable type bug

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ETYPE may be type of uint64_t, thus index variable has to be declared as
type of uint64_t, too. Otherwise the value read from vs1 register may be
truncated to type of uint32_t.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419060302.14075-1-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Frank Chang 2021-04-19 14:03:01 +08:00 committed by Alistair Francis
parent ed6eebaaaf
commit b11e84b883
1 changed files with 4 additions and 2 deletions
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6
target/riscv/vector_helper.c
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@ -4796,7 +4796,8 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2, \
uint32_t vlmax = env_archcpu(env)->cfg.vlen / mlen; \
uint32_t vm = vext_vm(desc); \
uint32_t vl = env->vl; \
uint32_t index, i; \
uint64_t index; \
uint32_t i; \
\
for (i = 0; i < vl; i++) { \
if (!vm && !vext_elem_mask(v0, mlen, i)) { \
@ -4826,7 +4827,8 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2, \
uint32_t vlmax = env_archcpu(env)->cfg.vlen / mlen; \
uint32_t vm = vext_vm(desc); \
uint32_t vl = env->vl; \
uint32_t index = s1, i; \
uint64_t index = s1; \
uint32_t i; \
\
for (i = 0; i < vl; i++) { \
if (!vm && !vext_elem_mask(v0, mlen, i)) { \