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tcg/ppc: Implement INDEX_op_rot[lr]v_vec

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We already had support for rotlv, using a target-specific opcode;
convert to use the generic opcode.  Handle rotrv via simple negation.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2020-04-20 03:46:12 +00:00
parent 7cff8988fa
commit ab87a66fa2
3 changed files with 20 additions and 6 deletions
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2
tcg/ppc/tcg-target.h
View File

@ -163,7 +163,7 @@ extern bool have_vsx;
#define TCG_TARGET_HAS_abs_vec 0
#define TCG_TARGET_HAS_roti_vec 0
#define TCG_TARGET_HAS_rots_vec 0
#define TCG_TARGET_HAS_rotv_vec 0
#define TCG_TARGET_HAS_rotv_vec 1
#define TCG_TARGET_HAS_shi_vec 0
#define TCG_TARGET_HAS_shs_vec 0
#define TCG_TARGET_HAS_shv_vec 1

23
tcg/ppc/tcg-target.inc.c
View File

@ -2995,6 +2995,7 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, unsigned vece)
case INDEX_op_shlv_vec:
case INDEX_op_shrv_vec:
case INDEX_op_sarv_vec:
case INDEX_op_rotlv_vec:
return vece <= MO_32 || have_isa_2_07;
case INDEX_op_ssadd_vec:
case INDEX_op_sssub_vec:
@ -3005,6 +3006,7 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, unsigned vece)
case INDEX_op_shli_vec:
case INDEX_op_shri_vec:
case INDEX_op_sari_vec:
case INDEX_op_rotli_vec:
return vece <= MO_32 || have_isa_2_07 ? -1 : 0;
case INDEX_op_neg_vec:
return vece >= MO_32 && have_isa_3_00;
@ -3019,6 +3021,8 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, unsigned vece)
return 0;
case INDEX_op_bitsel_vec:
return have_vsx;
case INDEX_op_rotrv_vec:
return -1;
default:
return 0;
}
@ -3301,7 +3305,7 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
case INDEX_op_ppc_pkum_vec:
insn = pkum_op[vece];
break;
case INDEX_op_ppc_rotl_vec:
case INDEX_op_rotlv_vec:
insn = rotl_op[vece];
break;
case INDEX_op_ppc_msum_vec:
@ -3409,7 +3413,7 @@ static void expand_vec_mul(TCGType type, unsigned vece, TCGv_vec v0,
t3 = tcg_temp_new_vec(type);
t4 = tcg_temp_new_vec(type);
tcg_gen_dupi_vec(MO_8, t4, -16);
vec_gen_3(INDEX_op_ppc_rotl_vec, type, MO_32, tcgv_vec_arg(t1),
vec_gen_3(INDEX_op_rotlv_vec, type, MO_32, tcgv_vec_arg(t1),
tcgv_vec_arg(v2), tcgv_vec_arg(t4));
vec_gen_3(INDEX_op_ppc_mulou_vec, type, MO_16, tcgv_vec_arg(t2),
tcgv_vec_arg(v1), tcgv_vec_arg(v2));
@ -3434,7 +3438,7 @@ void tcg_expand_vec_op(TCGOpcode opc, TCGType type, unsigned vece,
TCGArg a0, ...)
{
va_list va;
TCGv_vec v0, v1, v2;
TCGv_vec v0, v1, v2, t0;
TCGArg a2;
va_start(va, a0);
@ -3452,6 +3456,9 @@ void tcg_expand_vec_op(TCGOpcode opc, TCGType type, unsigned vece,
case INDEX_op_sari_vec:
expand_vec_shi(type, vece, v0, v1, a2, INDEX_op_sarv_vec);
break;
case INDEX_op_rotli_vec:
expand_vec_shi(type, vece, v0, v1, a2, INDEX_op_rotlv_vec);
break;
case INDEX_op_cmp_vec:
v2 = temp_tcgv_vec(arg_temp(a2));
expand_vec_cmp(type, vece, v0, v1, v2, va_arg(va, TCGArg));
@ -3460,6 +3467,13 @@ void tcg_expand_vec_op(TCGOpcode opc, TCGType type, unsigned vece,
v2 = temp_tcgv_vec(arg_temp(a2));
expand_vec_mul(type, vece, v0, v1, v2);
break;
case INDEX_op_rotlv_vec:
v2 = temp_tcgv_vec(arg_temp(a2));
t0 = tcg_temp_new_vec(type);
tcg_gen_neg_vec(vece, t0, v2);
tcg_gen_rotlv_vec(vece, v0, v1, t0);
tcg_temp_free_vec(t0);
break;
default:
g_assert_not_reached();
}
@ -3664,12 +3678,13 @@ static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode op)
case INDEX_op_shlv_vec:
case INDEX_op_shrv_vec:
case INDEX_op_sarv_vec:
case INDEX_op_rotlv_vec:
case INDEX_op_rotrv_vec:
case INDEX_op_ppc_mrgh_vec:
case INDEX_op_ppc_mrgl_vec:
case INDEX_op_ppc_muleu_vec:
case INDEX_op_ppc_mulou_vec:
case INDEX_op_ppc_pkum_vec:
case INDEX_op_ppc_rotl_vec:
case INDEX_op_dup2_vec:
return &v_v_v;
case INDEX_op_not_vec:

1
tcg/ppc/tcg-target.opc.h
View File

@ -30,4 +30,3 @@ DEF(ppc_msum_vec, 1, 3, 0, IMPLVEC)
DEF(ppc_muleu_vec, 1, 2, 0, IMPLVEC)
DEF(ppc_mulou_vec, 1, 2, 0, IMPLVEC)
DEF(ppc_pkum_vec, 1, 2, 0, IMPLVEC)
DEF(ppc_rotl_vec, 1, 2, 0, IMPLVEC)