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target/ppc: implement vcntmb[bhwd]

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Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220225210936.1749575-18-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Matheus Ferst 2022-03-02 06:51:37 +01:00 committed by Cédric Le Goater
parent fb1b56752f
commit 95f1ee288b
2 changed files with 40 additions and 0 deletions
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8
target/ppc/insn32.decode
View File

@ -63,6 +63,9 @@
&VX_bf bf vra vrb
@VX_bf ...... bf:3 .. vra:5 vrb:5 ........... &VX_bf
&VX_mp rt mp:bool vrb
@VX_mp ...... rt:5 .... mp:1 vrb:5 ........... &VX_mp
&VX_tb_rc vrt vrb rc:bool
@VX_tb_rc ...... vrt:5 ..... vrb:5 rc:1 .......... &VX_tb_rc
@ -489,6 +492,11 @@ VEXTRACTWM 000100 ..... 01010 ..... 11001000010 @VX_tb
VEXTRACTDM 000100 ..... 01011 ..... 11001000010 @VX_tb
VEXTRACTQM 000100 ..... 01100 ..... 11001000010 @VX_tb
VCNTMBB 000100 ..... 1100 . ..... 11001000010 @VX_mp
VCNTMBH 000100 ..... 1101 . ..... 11001000010 @VX_mp
VCNTMBW 000100 ..... 1110 . ..... 11001000010 @VX_mp
VCNTMBD 000100 ..... 1111 . ..... 11001000010 @VX_mp
## Vector Multiply Instruction
VMULESB 000100 ..... ..... ..... 01100001000 @VX

32
target/ppc/translate/vmx-impl.c.inc
View File

@ -1910,6 +1910,38 @@ static bool trans_MTVSRBMI(DisasContext *ctx, arg_DX_b *a)
return true;
}
static bool do_vcntmb(DisasContext *ctx, arg_VX_mp *a, int vece)
{
TCGv_i64 rt, vrb, mask;
rt = tcg_const_i64(0);
vrb = tcg_temp_new_i64();
mask = tcg_constant_i64(dup_const(vece, 1ULL << ((8 << vece) - 1)));
for (int i = 0; i < 2; i++) {
get_avr64(vrb, a->vrb, i);
if (a->mp) {
tcg_gen_and_i64(vrb, mask, vrb);
} else {
tcg_gen_andc_i64(vrb, mask, vrb);
}
tcg_gen_ctpop_i64(vrb, vrb);
tcg_gen_add_i64(rt, rt, vrb);
}
tcg_gen_shli_i64(rt, rt, TARGET_LONG_BITS - 8 + vece);
tcg_gen_trunc_i64_tl(cpu_gpr[a->rt], rt);
tcg_temp_free_i64(vrb);
tcg_temp_free_i64(rt);
return true;
}
TRANS(VCNTMBB, do_vcntmb, MO_8)
TRANS(VCNTMBH, do_vcntmb, MO_16)
TRANS(VCNTMBW, do_vcntmb, MO_32)
TRANS(VCNTMBD, do_vcntmb, MO_64)
static bool do_vstri(DisasContext *ctx, arg_VX_tb_rc *a,
void (*gen_helper)(TCGv_i32, TCGv_ptr, TCGv_ptr))
{