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target/ppc: Implement vclzdm/vctzdm instructions 

The signature of do_cntzdm is changed to allow reuse as GVecGen3i.fni8.
The method is also moved out of #ifdef TARGET_PPC64, as PowerISA doesn't
say vclzdm and vctzdm are 64-bit only.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Luis Pires <luis.pires@eldorado.org.br>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20211104123719.323713-3-matheus.ferst@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Matheus Ferst 2021-11-04 09:36:56 -03:00 committed by David Gibson
parent 6e0bbc4048
commit a2c975e119
3 changed files with 35 additions and 3 deletions
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2
target/ppc/insn32.decode
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@ -334,3 +334,5 @@ DSCRIQ 111111 ..... ..... ...... 001100010 . @Z22_tap_sh_rc
## Vector Bit Manipulation Instruction
VCFUGED 000100 ..... ..... ..... 10101001101 @VX
VCLZDM 000100 ..... ..... ..... 11110000100 @VX
VCTZDM 000100 ..... ..... ..... 11111000100 @VX

4
target/ppc/translate/fixedpoint-impl.c.inc
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@ -414,8 +414,7 @@ static bool trans_CFUGED(DisasContext *ctx, arg_X *a)
return true;
}
#if defined(TARGET_PPC64)
static void do_cntzdm(TCGv_i64 dst, TCGv_i64 src, TCGv_i64 mask, bool trail)
static void do_cntzdm(TCGv_i64 dst, TCGv_i64 src, TCGv_i64 mask, int64_t trail)
{
TCGv_i64 tmp;
TCGLabel *l1;
@ -444,7 +443,6 @@ static void do_cntzdm(TCGv_i64 dst, TCGv_i64 src, TCGv_i64 mask, bool trail)
tcg_gen_mov_i64(dst, tmp);
}
#endif
static bool trans_CNTLZDM(DisasContext *ctx, arg_X *a)
{

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

@ -1575,6 +1575,38 @@ static bool trans_VCFUGED(DisasContext *ctx, arg_VX *a)
return true;
}
static bool trans_VCLZDM(DisasContext *ctx, arg_VX *a)
{
static const GVecGen3i g = {
.fni8 = do_cntzdm,
.vece = MO_64,
};
REQUIRE_INSNS_FLAGS2(ctx, ISA310);
REQUIRE_VECTOR(ctx);
tcg_gen_gvec_3i(avr_full_offset(a->vrt), avr_full_offset(a->vra),
avr_full_offset(a->vrb), 16, 16, false, &g);
return true;
}
static bool trans_VCTZDM(DisasContext *ctx, arg_VX *a)
{
static const GVecGen3i g = {
.fni8 = do_cntzdm,
.vece = MO_64,
};
REQUIRE_INSNS_FLAGS2(ctx, ISA310);
REQUIRE_VECTOR(ctx);
tcg_gen_gvec_3i(avr_full_offset(a->vrt), avr_full_offset(a->vra),
avr_full_offset(a->vrb), 16, 16, true, &g);
return true;
}
#undef GEN_VR_LDX
#undef GEN_VR_STX
#undef GEN_VR_LVE