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tcg/i386: Support vector variable shift opcodes

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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2019-04-14 09:13:21 -10:00
parent 5ee5c14cac
commit a2ce146a06
2 changed files with 36 additions and 1 deletions
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2
tcg/i386/tcg-target.h
View file

@ -184,7 +184,7 @@ extern bool have_avx2;
#define TCG_TARGET_HAS_neg_vec 0
#define TCG_TARGET_HAS_shi_vec 1
#define TCG_TARGET_HAS_shs_vec 0
#define TCG_TARGET_HAS_shv_vec 0
#define TCG_TARGET_HAS_shv_vec have_avx2
#define TCG_TARGET_HAS_cmp_vec 1
#define TCG_TARGET_HAS_mul_vec 1
#define TCG_TARGET_HAS_sat_vec 1

35
tcg/i386/tcg-target.inc.c
View file

@ -467,6 +467,11 @@ static inline int tcg_target_const_match(tcg_target_long val, TCGType type,
#define OPC_VPBROADCASTQ (0x59 | P_EXT38 | P_DATA16)
#define OPC_VPERMQ (0x00 | P_EXT3A | P_DATA16 | P_REXW)
#define OPC_VPERM2I128 (0x46 | P_EXT3A | P_DATA16 | P_VEXL)
#define OPC_VPSLLVD (0x47 | P_EXT38 | P_DATA16)
#define OPC_VPSLLVQ (0x47 | P_EXT38 | P_DATA16 | P_REXW)
#define OPC_VPSRAVD (0x46 | P_EXT38 | P_DATA16)
#define OPC_VPSRLVD (0x45 | P_EXT38 | P_DATA16)
#define OPC_VPSRLVQ (0x45 | P_EXT38 | P_DATA16 | P_REXW)
#define OPC_VZEROUPPER (0x77 | P_EXT)
#define OPC_XCHG_ax_r32 (0x90)
@ -2707,6 +2712,18 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
static int const umax_insn[4] = {
OPC_PMAXUB, OPC_PMAXUW, OPC_PMAXUD, OPC_UD2
};
static int const shlv_insn[4] = {
/* TODO: AVX512 adds support for MO_16. */
OPC_UD2, OPC_UD2, OPC_VPSLLVD, OPC_VPSLLVQ
};
static int const shrv_insn[4] = {
/* TODO: AVX512 adds support for MO_16. */
OPC_UD2, OPC_UD2, OPC_VPSRLVD, OPC_VPSRLVQ
};
static int const sarv_insn[4] = {
/* TODO: AVX512 adds support for MO_16, MO_64. */
OPC_UD2, OPC_UD2, OPC_VPSRAVD, OPC_UD2
};
TCGType type = vecl + TCG_TYPE_V64;
int insn, sub;
@ -2759,6 +2776,15 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
case INDEX_op_umax_vec:
insn = umax_insn[vece];
goto gen_simd;
case INDEX_op_shlv_vec:
insn = shlv_insn[vece];
goto gen_simd;
case INDEX_op_shrv_vec:
insn = shrv_insn[vece];
goto gen_simd;
case INDEX_op_sarv_vec:
insn = sarv_insn[vece];
goto gen_simd;
case INDEX_op_x86_punpckl_vec:
insn = punpckl_insn[vece];
goto gen_simd;
@ -3136,6 +3162,9 @@ static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode op)
case INDEX_op_umin_vec:
case INDEX_op_smax_vec:
case INDEX_op_umax_vec:
case INDEX_op_shlv_vec:
case INDEX_op_shrv_vec:
case INDEX_op_sarv_vec:
case INDEX_op_cmp_vec:
case INDEX_op_x86_shufps_vec:
case INDEX_op_x86_blend_vec:
@ -3193,6 +3222,12 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, unsigned vece)
}
return 1;
case INDEX_op_shlv_vec:
case INDEX_op_shrv_vec:
return have_avx2 && vece >= MO_32;
case INDEX_op_sarv_vec:
return have_avx2 && vece == MO_32;
case INDEX_op_mul_vec:
if (vece == MO_8) {
/* We can expand the operation for MO_8. */