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target/riscv: rvv-1.0: integer comparison instructions

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* Sign-extend vmselu.vi and vmsgtu.vi immediate values.
* Remove "set tail elements to zeros" as tail elements can be unchanged
  for either VTA to have undisturbed or agnostic setting.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211210075704.23951-48-frank.chang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Frank Chang 2021-12-10 15:56:33 +08:00 • committed by Alistair Francis
parent d6be7a3504
commit 063f8bbca0
2 changed files with 2 additions and 11 deletions
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9
target/riscv/vector_helper.c
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@ -1190,8 +1190,6 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2, \
{ \
uint32_t vm = vext_vm(desc); \
uint32_t vl = env->vl; \
uint32_t vlmax = vext_max_elems(desc, \
ctzl(sizeof(ETYPE))); \
uint32_t i; \
\
for (i = 0; i < vl; i++) { \
@ -1202,9 +1200,6 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2, \
} \
vext_set_elem_mask(vd, i, DO_OP(s2, s1)); \
} \
for (; i < vlmax; i++) { \
vext_set_elem_mask(vd, i, 0); \
} \
}
GEN_VEXT_CMP_VV(vmseq_vv_b, uint8_t, H1, DO_MSEQ)
@ -1243,7 +1238,6 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2, \
{ \
uint32_t vm = vext_vm(desc); \
uint32_t vl = env->vl; \
uint32_t vlmax = vext_max_elems(desc, ctzl(sizeof(ETYPE))); \
uint32_t i; \
\
for (i = 0; i < vl; i++) { \
@ -1254,9 +1248,6 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2, \
vext_set_elem_mask(vd, i, \
DO_OP(s2, (ETYPE)(target_long)s1)); \
} \
for (; i < vlmax; i++) { \
vext_set_elem_mask(vd, i, 0); \
} \
}
GEN_VEXT_CMP_VX(vmseq_vx_b, uint8_t, H1, DO_MSEQ)