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| author | Richard Henderson | 2019-04-18 03:54:20 +0200 |
|---|---|---|
| committer | Richard Henderson | 2019-05-14 00:52:08 +0200 |
| commit | 18f9b65f1a4225dd314cb9b0a8dea968c5bc2ef3 (patch) | |
| tree | 9da07d8f07de171524880eb536f1441bc94cddd9 | |
| parent | tcg: Add support for vector absolute value (diff) | |
| download | qemu-18f9b65f1a4225dd314cb9b0a8dea968c5bc2ef3.tar.gz qemu-18f9b65f1a4225dd314cb9b0a8dea968c5bc2ef3.tar.xz qemu-18f9b65f1a4225dd314cb9b0a8dea968c5bc2ef3.zip | |
tcg/i386: Support vector absolute value
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| -rw-r--r-- | tcg/i386/tcg-target.h | 2 | ||||
| -rw-r--r-- | tcg/i386/tcg-target.inc.c | 15 |
2 files changed, 16 insertions, 1 deletions
diff --git a/tcg/i386/tcg-target.h b/tcg/i386/tcg-target.h index 7445f05885..66f16fbe3c 100644 --- a/tcg/i386/tcg-target.h +++ b/tcg/i386/tcg-target.h @@ -182,7 +182,7 @@ extern bool have_avx2; #define TCG_TARGET_HAS_orc_vec 0 #define TCG_TARGET_HAS_not_vec 0 #define TCG_TARGET_HAS_neg_vec 0 -#define TCG_TARGET_HAS_abs_vec 0 +#define TCG_TARGET_HAS_abs_vec 1 #define TCG_TARGET_HAS_shi_vec 1 #define TCG_TARGET_HAS_shs_vec 1 #define TCG_TARGET_HAS_shv_vec have_avx2 diff --git a/tcg/i386/tcg-target.inc.c b/tcg/i386/tcg-target.inc.c index 0ba1587da4..aafd01cb49 100644 --- a/tcg/i386/tcg-target.inc.c +++ b/tcg/i386/tcg-target.inc.c @@ -369,6 +369,9 @@ static inline int tcg_target_const_match(tcg_target_long val, TCGType type, #define OPC_MOVSLQ (0x63 | P_REXW) #define OPC_MOVZBL (0xb6 | P_EXT) #define OPC_MOVZWL (0xb7 | P_EXT) +#define OPC_PABSB (0x1c | P_EXT38 | P_DATA16) +#define OPC_PABSW (0x1d | P_EXT38 | P_DATA16) +#define OPC_PABSD (0x1e | P_EXT38 | P_DATA16) #define OPC_PACKSSDW (0x6b | P_EXT | P_DATA16) #define OPC_PACKSSWB (0x63 | P_EXT | P_DATA16) #define OPC_PACKUSDW (0x2b | P_EXT38 | P_DATA16) @@ -2741,6 +2744,10 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc, static int const sars_insn[4] = { OPC_UD2, OPC_PSRAW, OPC_PSRAD, OPC_UD2 }; + static int const abs_insn[4] = { + /* TODO: AVX512 adds support for MO_64. */ + OPC_PABSB, OPC_PABSW, OPC_PABSD, OPC_UD2 + }; TCGType type = vecl + TCG_TYPE_V64; int insn, sub; @@ -2829,6 +2836,11 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc, insn = OPC_PUNPCKLDQ; goto gen_simd; #endif + case INDEX_op_abs_vec: + insn = abs_insn[vece]; + a2 = a1; + a1 = 0; + goto gen_simd; gen_simd: tcg_debug_assert(insn != OPC_UD2); if (type == TCG_TYPE_V256) { @@ -3206,6 +3218,7 @@ static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode op) case INDEX_op_dup2_vec: #endif return &x_x_x; + case INDEX_op_abs_vec: case INDEX_op_dup_vec: case INDEX_op_shli_vec: case INDEX_op_shri_vec: @@ -3283,6 +3296,8 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, unsigned vece) case INDEX_op_umin_vec: case INDEX_op_umax_vec: return vece <= MO_32 ? 1 : -1; + case INDEX_op_abs_vec: + return vece <= MO_32; default: return 0; |