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target/riscv: rvv-1.0: count population in mask instruction 

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: <20211210075704.23951-30-frank.chang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Frank Chang 2021-12-10 15:56:15 +08:00 committed by Alistair Francis
parent 0676d8e3dc
commit 0014aa741d
4 changed files with 9 additions and 8 deletions
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2
target/riscv/helper.h
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@ -1020,7 +1020,7 @@ DEF_HELPER_6(vmnor_mm, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vmornot_mm, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vmxnor_mm, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_4(vmpopc_m, tl, ptr, ptr, env, i32)
DEF_HELPER_4(vcpop_m, tl, ptr, ptr, env, i32)
DEF_HELPER_4(vmfirst_m, tl, ptr, ptr, env, i32)

2
target/riscv/insn32.decode
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@ -627,7 +627,7 @@ vmor_mm 011010 - ..... ..... 010 ..... 1010111 @r
vmnor_mm 011110 - ..... ..... 010 ..... 1010111 @r
vmornot_mm 011100 - ..... ..... 010 ..... 1010111 @r
vmxnor_mm 011111 - ..... ..... 010 ..... 1010111 @r
vmpopc_m 010100 . ..... ----- 010 ..... 1010111 @r2_vm
vcpop_m 010000 . ..... 10000 010 ..... 1010111 @r2_vm
vmfirst_m 010101 . ..... ----- 010 ..... 1010111 @r2_vm
vmsbf_m 010110 . ..... 00001 010 ..... 1010111 @r2_vm
vmsif_m 010110 . ..... 00011 010 ..... 1010111 @r2_vm

7
target/riscv/insn_trans/trans_rvv.c.inc
View File

@ -2664,8 +2664,8 @@ GEN_MM_TRANS(vmnor_mm)
GEN_MM_TRANS(vmornot_mm)
GEN_MM_TRANS(vmxnor_mm)
/* Vector mask population count vmpopc */
static bool trans_vmpopc_m(DisasContext *s, arg_rmr *a)
/* Vector count population in mask vcpop */
static bool trans_vcpop_m(DisasContext *s, arg_rmr *a)
{
if (require_rvv(s) &&
vext_check_isa_ill(s)) {
@ -2684,11 +2684,12 @@ static bool trans_vmpopc_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_vmpopc_m(dst, mask, src2, cpu_env, desc);
gen_helper_vcpop_m(dst, mask, src2, cpu_env, desc);
gen_set_gpr(s, a->rd, dst);
tcg_temp_free_ptr(mask);
tcg_temp_free_ptr(src2);
return true;
}
return false;

6
target/riscv/vector_helper.c
View File

@ -4214,9 +4214,9 @@ GEN_VEXT_MASK_VV(vmnor_mm, DO_NOR)
GEN_VEXT_MASK_VV(vmornot_mm, DO_ORNOT)
GEN_VEXT_MASK_VV(vmxnor_mm, DO_XNOR)
/* Vector mask population count vmpopc */
target_ulong HELPER(vmpopc_m)(void *v0, void *vs2, CPURISCVState *env,
uint32_t desc)
/* Vector count population in mask vcpop */
target_ulong HELPER(vcpop_m)(void *v0, void *vs2, CPURISCVState *env,
uint32_t desc)
{
target_ulong cnt = 0;
uint32_t vm = vext_vm(desc);