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authorFrank Chang <frank.chang@sifive.com>2021-12-10 15:56:17 +0800
committerAlistair Francis <alistair.francis@wdc.com>2021-12-20 14:51:36 +1000
commit40c1495d69b17d34f073a5b92970b1b82e6ad7ef (patch)
treef40f03a77c2cd519321b6965969b289a4f18b2b6 /target
parentd71a24fc82c50f6fe0d86feece01a4ef43b1af82 (diff)
target/riscv: rvv-1.0: set-X-first mask bit instructions
Signed-off-by: Frank Chang <frank.chang@sifive.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20211210075704.23951-32-frank.chang@sifive.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target')
-rw-r--r--target/riscv/insn32.decode6
-rw-r--r--target/riscv/insn_trans/trans_rvv.c.inc5
-rw-r--r--target/riscv/vector_helper.c4
3 files changed, 7 insertions, 8 deletions
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index 4df2aa9cdd..d139c0aade 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -629,9 +629,9 @@ vmornot_mm 011100 - ..... ..... 010 ..... 1010111 @r
vmxnor_mm 011111 - ..... ..... 010 ..... 1010111 @r
vcpop_m 010000 . ..... 10000 010 ..... 1010111 @r2_vm
vfirst_m 010000 . ..... 10001 010 ..... 1010111 @r2_vm
-vmsbf_m 010110 . ..... 00001 010 ..... 1010111 @r2_vm
-vmsif_m 010110 . ..... 00011 010 ..... 1010111 @r2_vm
-vmsof_m 010110 . ..... 00010 010 ..... 1010111 @r2_vm
+vmsbf_m 010100 . ..... 00001 010 ..... 1010111 @r2_vm
+vmsif_m 010100 . ..... 00011 010 ..... 1010111 @r2_vm
+vmsof_m 010100 . ..... 00010 010 ..... 1010111 @r2_vm
viota_m 010110 . ..... 10000 010 ..... 1010111 @r2_vm
vid_v 010110 . 00000 10001 010 ..... 1010111 @r1_vm
vext_x_v 001100 1 ..... ..... 010 ..... 1010111 @r
diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_trans/trans_rvv.c.inc
index 3645bb9635..9206e6f06c 100644
--- a/target/riscv/insn_trans/trans_rvv.c.inc
+++ b/target/riscv/insn_trans/trans_rvv.c.inc
@@ -2731,7 +2731,10 @@ static bool trans_vfirst_m(DisasContext *s, arg_rmr *a)
#define GEN_M_TRANS(NAME) \
static bool trans_##NAME(DisasContext *s, arg_rmr *a) \
{ \
- if (vext_check_isa_ill(s)) { \
+ if (require_rvv(s) && \
+ vext_check_isa_ill(s) && \
+ require_vm(a->vm, a->rd) && \
+ (a->rd != a->rs2)) { \
uint32_t data = 0; \
gen_helper_gvec_3_ptr *fn = gen_helper_##NAME; \
TCGLabel *over = gen_new_label(); \
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index f97783acf0..b0dc971a86 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -4260,7 +4260,6 @@ enum set_mask_type {
static void vmsetm(void *vd, void *v0, void *vs2, CPURISCVState *env,
uint32_t desc, enum set_mask_type type)
{
- uint32_t vlmax = env_archcpu(env)->cfg.vlen;
uint32_t vm = vext_vm(desc);
uint32_t vl = env->vl;
int i;
@@ -4290,9 +4289,6 @@ static void vmsetm(void *vd, void *v0, void *vs2, CPURISCVState *env,
}
}
}
- for (; i < vlmax; i++) {
- vext_set_elem_mask(vd, i, 0);
- }
}
void HELPER(vmsbf_m)(void *vd, void *v0, void *vs2, CPURISCVState *env,