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[PATCH v6 29/72] target/riscv: rvv-1.0: find-first-set mask bit instruct
From: |
frank . chang |
Subject: |
[PATCH v6 29/72] target/riscv: rvv-1.0: find-first-set mask bit instruction |
Date: |
Tue, 12 Jan 2021 17:39:03 +0800 |
From: Frank Chang <frank.chang@sifive.com>
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
target/riscv/helper.h | 2 +-
target/riscv/insn32.decode | 2 +-
target/riscv/insn_trans/trans_rvv.c.inc | 4 ++--
target/riscv/vector_helper.c | 6 +++---
4 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index 9d1601510f7..abf08dbc710 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -1063,7 +1063,7 @@ DEF_HELPER_6(vmxnor_mm, void, ptr, ptr, ptr, ptr, env,
i32)
DEF_HELPER_4(vpopc_m, tl, ptr, ptr, env, i32)
-DEF_HELPER_4(vmfirst_m, tl, ptr, ptr, env, i32)
+DEF_HELPER_4(vfirst_m, tl, ptr, ptr, env, i32)
DEF_HELPER_5(vmsbf_m, void, ptr, ptr, ptr, env, i32)
DEF_HELPER_5(vmsif_m, void, ptr, ptr, ptr, env, i32)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index 0f111c885c3..0b53ce432c1 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -603,7 +603,7 @@ vmnor_mm 011110 - ..... ..... 010 ..... 1010111 @r
vmornot_mm 011100 - ..... ..... 010 ..... 1010111 @r
vmxnor_mm 011111 - ..... ..... 010 ..... 1010111 @r
vpopc_m 010000 . ..... 10000 010 ..... 1010111 @r2_vm
-vmfirst_m 010101 . ..... ----- 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
diff --git a/target/riscv/insn_trans/trans_rvv.c.inc
b/target/riscv/insn_trans/trans_rvv.c.inc
index f658f8566da..97ad16f2b21 100644
--- a/target/riscv/insn_trans/trans_rvv.c.inc
+++ b/target/riscv/insn_trans/trans_rvv.c.inc
@@ -2927,7 +2927,7 @@ static bool trans_vpopc_m(DisasContext *s, arg_rmr *a)
}
/* vmfirst find-first-set mask bit */
-static bool trans_vmfirst_m(DisasContext *s, arg_rmr *a)
+static bool trans_vfirst_m(DisasContext *s, arg_rmr *a)
{
if (require_rvv(s) &&
vext_check_isa_ill(s)) {
@@ -2946,7 +2946,7 @@ static bool trans_vmfirst_m(DisasContext *s, arg_rmr *a)
tcg_gen_addi_ptr(src2, cpu_env, vreg_ofs(s, a->rs2));
tcg_gen_addi_ptr(mask, cpu_env, vreg_ofs(s, 0));
- gen_helper_vmfirst_m(dst, mask, src2, cpu_env, desc);
+ gen_helper_vfirst_m(dst, mask, src2, cpu_env, desc);
gen_set_gpr(a->rd, dst);
tcg_temp_free_ptr(mask);
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index 517e7344b96..ecc9be77335 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -4439,9 +4439,9 @@ target_ulong HELPER(vpopc_m)(void *v0, void *vs2,
CPURISCVState *env,
return cnt;
}
-/* vmfirst find-first-set mask bit*/
-target_ulong HELPER(vmfirst_m)(void *v0, void *vs2, CPURISCVState *env,
- uint32_t desc)
+/* vfirst find-first-set mask bit*/
+target_ulong HELPER(vfirst_m)(void *v0, void *vs2, CPURISCVState *env,
+ uint32_t desc)
{
uint32_t vm = vext_vm(desc);
uint32_t vl = env->vl;
--
2.17.1
- Re: [PATCH v6 24/72] target/riscv: rvv-1.0: update vext_max_elems() for load/store insns, (continued)
- [PATCH v6 25/72] target/riscv: rvv-1.0: take fractional LMUL into vector max elements calculation, frank . chang, 2021/01/12
- [PATCH v6 22/72] target/riscv: rvv-1.0: amo operations, frank . chang, 2021/01/12
- [PATCH v6 26/72] target/riscv: rvv-1.0: floating-point square-root instruction, frank . chang, 2021/01/12
- [PATCH v6 27/72] target/riscv: rvv-1.0: floating-point classify instructions, frank . chang, 2021/01/12
- [PATCH v6 28/72] target/riscv: rvv-1.0: mask population count instruction, frank . chang, 2021/01/12
- [PATCH v6 29/72] target/riscv: rvv-1.0: find-first-set mask bit instruction,
frank . chang <=
- [PATCH v6 30/72] target/riscv: rvv-1.0: set-X-first mask bit instructions, frank . chang, 2021/01/12
- [PATCH v6 31/72] target/riscv: rvv-1.0: iota instruction, frank . chang, 2021/01/12
- [PATCH v6 32/72] target/riscv: rvv-1.0: element index instruction, frank . chang, 2021/01/12
- [PATCH v6 34/72] target/riscv: rvv-1.0: register gather instructions, frank . chang, 2021/01/12
- [PATCH v6 33/72] target/riscv: rvv-1.0: allow load element with sign-extended, frank . chang, 2021/01/12
- [PATCH v6 35/72] target/riscv: rvv-1.0: integer scalar move instructions, frank . chang, 2021/01/12
- [PATCH v6 37/72] target/riscv: rvv-1.0: floating-point scalar move instructions, frank . chang, 2021/01/12
- [PATCH v6 36/72] target/riscv: rvv-1.0: floating-point move instruction, frank . chang, 2021/01/12