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[PATCH v8 30/78] target/riscv: rvv-1.0: find-first-set mask bit instruct
From: |
frank . chang |
Subject: |
[PATCH v8 30/78] target/riscv: rvv-1.0: find-first-set mask bit instruction |
Date: |
Fri, 15 Oct 2021 15:45:38 +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 3f30882aec4..7646567eb27 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -1022,7 +1022,7 @@ DEF_HELPER_6(vmxnor_mm, void, ptr, ptr, ptr, ptr, env,
i32)
DEF_HELPER_4(vcpop_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 e748f7ca714..4df2aa9cddc 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -628,7 +628,7 @@ vmnor_mm 011110 - ..... ..... 010 ..... 1010111 @r
vmornot_mm 011100 - ..... ..... 010 ..... 1010111 @r
vmxnor_mm 011111 - ..... ..... 010 ..... 1010111 @r
vcpop_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 fc17e57d0f7..5376adca60c 100644
--- a/target/riscv/insn_trans/trans_rvv.c.inc
+++ b/target/riscv/insn_trans/trans_rvv.c.inc
@@ -2695,7 +2695,7 @@ static bool trans_vcpop_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)) {
@@ -2714,7 +2714,7 @@ 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(s, a->rd, dst);
tcg_temp_free_ptr(mask);
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index 9451112b3da..f97783acf05 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -4233,9 +4233,9 @@ target_ulong HELPER(vcpop_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;
--
2.25.1
- [PATCH 22/76] target/riscv: rvv-1.0: fault-only-first unit stride load, (continued)
- [PATCH 22/76] target/riscv: rvv-1.0: fault-only-first unit stride load, frank . chang, 2021/10/15
- [PATCH 23/76] target/riscv: rvv-1.0: amo operations, frank . chang, 2021/10/15
- [PATCH v8 24/78] target/riscv: rvv-1.0: load/store whole register instructions, frank . chang, 2021/10/15
- [PATCH v8 23/78] target/riscv: rvv-1.0: fault-only-first unit stride load, frank . chang, 2021/10/15
- [PATCH v8 25/78] target/riscv: rvv-1.0: update vext_max_elems() for load/store insns, frank . chang, 2021/10/15
- [PATCH v8 26/78] target/riscv: rvv-1.0: take fractional LMUL into vector max elements calculation, frank . chang, 2021/10/15
- [PATCH v8 27/78] target/riscv: rvv-1.0: floating-point square-root instruction, frank . chang, 2021/10/15
- [PATCH v8 29/78] target/riscv: rvv-1.0: count population in mask instruction, frank . chang, 2021/10/15
- [PATCH 29/76] target/riscv: rvv-1.0: mask population count instruction, frank . chang, 2021/10/15
- [PATCH v8 30/78] target/riscv: rvv-1.0: find-first-set mask bit instruction,
frank . chang <=
- [PATCH v8 28/78] target/riscv: rvv-1.0: floating-point classify instructions, frank . chang, 2021/10/15
- [PATCH v8 31/78] target/riscv: rvv-1.0: set-X-first mask bit instructions, frank . chang, 2021/10/15
- [PATCH v8 33/78] target/riscv: rvv-1.0: element index instruction, frank . chang, 2021/10/15
- [PATCH v8 32/78] target/riscv: rvv-1.0: iota instruction, frank . chang, 2021/10/15
- [PATCH v8 34/78] target/riscv: rvv-1.0: allow load element with sign-extended, frank . chang, 2021/10/15