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[174.21.7.63]) by smtp.gmail.com with ESMTPSA id y19sm21050272pgv.19.2017.12.18.09.18.33 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 18 Dec 2017 09:18:34 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Date: Mon, 18 Dec 2017 09:17:54 -0800 Message-Id: <20171218171758.16964-23-richard.henderson@linaro.org> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20171218171758.16964-1-richard.henderson@linaro.org> References: <20171218171758.16964-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400e:c01::244 Subject: [Qemu-devel] [PATCH v7 22/26] tcg/aarch64: Add vector operations X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Richard Henderson --- tcg/aarch64/tcg-target.h | 30 +- tcg/aarch64/tcg-target.opc.h | 3 + tcg/aarch64/tcg-target.inc.c | 674 ++++++++++++++++++++++++++++++++++++++++--- 3 files changed, 660 insertions(+), 47 deletions(-) create mode 100644 tcg/aarch64/tcg-target.opc.h -- 2.14.3 diff --git a/tcg/aarch64/tcg-target.h b/tcg/aarch64/tcg-target.h index c2525066ab..46434ecca4 100644 --- a/tcg/aarch64/tcg-target.h +++ b/tcg/aarch64/tcg-target.h @@ -31,13 +31,22 @@ typedef enum { TCG_REG_SP = 31, TCG_REG_XZR = 31, + TCG_REG_V0 = 32, TCG_REG_V1, TCG_REG_V2, TCG_REG_V3, + TCG_REG_V4, TCG_REG_V5, TCG_REG_V6, TCG_REG_V7, + TCG_REG_V8, TCG_REG_V9, TCG_REG_V10, TCG_REG_V11, + TCG_REG_V12, TCG_REG_V13, TCG_REG_V14, TCG_REG_V15, + TCG_REG_V16, TCG_REG_V17, TCG_REG_V18, TCG_REG_V19, + TCG_REG_V20, TCG_REG_V21, TCG_REG_V22, TCG_REG_V23, + TCG_REG_V24, TCG_REG_V25, TCG_REG_V26, TCG_REG_V27, + TCG_REG_V28, TCG_REG_V29, TCG_REG_V30, TCG_REG_V31, + /* Aliases. */ TCG_REG_FP = TCG_REG_X29, TCG_REG_LR = TCG_REG_X30, TCG_AREG0 = TCG_REG_X19, } TCGReg; -#define TCG_TARGET_NB_REGS 32 +#define TCG_TARGET_NB_REGS 64 /* used for function call generation */ #define TCG_REG_CALL_STACK TCG_REG_SP @@ -113,6 +122,25 @@ typedef enum { #define TCG_TARGET_HAS_mulsh_i64 1 #define TCG_TARGET_HAS_direct_jump 1 +#define TCG_TARGET_HAS_v64 1 +#define TCG_TARGET_HAS_v128 1 +#define TCG_TARGET_HAS_v256 0 + +#define TCG_TARGET_HAS_andc_vec 1 +#define TCG_TARGET_HAS_orc_vec 1 +#define TCG_TARGET_HAS_not_vec 1 +#define TCG_TARGET_HAS_neg_vec 1 +#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_zip_vec 1 +#define TCG_TARGET_HAS_uzp_vec 1 +#define TCG_TARGET_HAS_trn_vec 1 +#define TCG_TARGET_HAS_cmp_vec 1 +#define TCG_TARGET_HAS_mul_vec 1 +#define TCG_TARGET_HAS_extl_vec 1 +#define TCG_TARGET_HAS_exth_vec 1 + #define TCG_TARGET_DEFAULT_MO (0) static inline void flush_icache_range(uintptr_t start, uintptr_t stop) diff --git a/tcg/aarch64/tcg-target.opc.h b/tcg/aarch64/tcg-target.opc.h new file mode 100644 index 0000000000..4816a6c3d4 --- /dev/null +++ b/tcg/aarch64/tcg-target.opc.h @@ -0,0 +1,3 @@ +/* Target-specific opcodes for host vector expansion. These will be + emitted by tcg_expand_vec_op. For those familiar with GCC internals, + consider these to be UNSPEC with names. */ diff --git a/tcg/aarch64/tcg-target.inc.c b/tcg/aarch64/tcg-target.inc.c index 150530f30e..b2ce818d7c 100644 --- a/tcg/aarch64/tcg-target.inc.c +++ b/tcg/aarch64/tcg-target.inc.c @@ -20,10 +20,15 @@ QEMU_BUILD_BUG_ON(TCG_TYPE_I32 != 0 || TCG_TYPE_I64 != 1); #ifdef CONFIG_DEBUG_TCG static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = { - "%x0", "%x1", "%x2", "%x3", "%x4", "%x5", "%x6", "%x7", - "%x8", "%x9", "%x10", "%x11", "%x12", "%x13", "%x14", "%x15", - "%x16", "%x17", "%x18", "%x19", "%x20", "%x21", "%x22", "%x23", - "%x24", "%x25", "%x26", "%x27", "%x28", "%fp", "%x30", "%sp", + "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7", + "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15", + "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23", + "x24", "x25", "x26", "x27", "x28", "fp", "x30", "sp", + + "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", + "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15", + "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", + "v24", "v25", "v26", "v27", "v28", "fp", "v30", "v31", }; #endif /* CONFIG_DEBUG_TCG */ @@ -43,6 +48,14 @@ static const int tcg_target_reg_alloc_order[] = { /* X19 reserved for AREG0 */ /* X29 reserved as fp */ /* X30 reserved as temporary */ + + TCG_REG_V0, TCG_REG_V1, TCG_REG_V2, TCG_REG_V3, + TCG_REG_V4, TCG_REG_V5, TCG_REG_V6, TCG_REG_V7, + /* V8 - V15 are call-saved, and skipped. */ + TCG_REG_V16, TCG_REG_V17, TCG_REG_V18, TCG_REG_V19, + TCG_REG_V20, TCG_REG_V21, TCG_REG_V22, TCG_REG_V23, + TCG_REG_V24, TCG_REG_V25, TCG_REG_V26, TCG_REG_V27, + TCG_REG_V28, TCG_REG_V29, TCG_REG_V30, TCG_REG_V31, }; static const int tcg_target_call_iarg_regs[8] = { @@ -54,6 +67,7 @@ static const int tcg_target_call_oarg_regs[1] = { }; #define TCG_REG_TMP TCG_REG_X30 +#define TCG_VEC_TMP TCG_REG_V31 #ifndef CONFIG_SOFTMMU /* Note that XZR cannot be encoded in the address base register slot, @@ -119,9 +133,13 @@ static const char *target_parse_constraint(TCGArgConstraint *ct, const char *ct_str, TCGType type) { switch (*ct_str++) { - case 'r': + case 'r': /* general registers */ ct->ct |= TCG_CT_REG; - ct->u.regs = 0xffffffffu; + ct->u.regs |= 0xffffffffu; + break; + case 'w': /* advsimd registers */ + ct->ct |= TCG_CT_REG; + ct->u.regs |= 0xffffffff00000000ull; break; case 'l': /* qemu_ld / qemu_st address, data_reg */ ct->ct |= TCG_CT_REG; @@ -178,6 +196,98 @@ static inline bool is_limm(uint64_t val) return (val & (val - 1)) == 0; } +static bool is_fimm(uint64_t v64, int *op, int *cmode, int *imm8) +{ + int i; + + *op = 0; + if (v64 == (-1ull / 0xff) * (v64 & 0xff)) { + *cmode = 0xe; + *imm8 = v64 & 0xff; + return true; + } + if (v64 == (-1ull / 0xffff) * (v64 & 0xffff)) { + uint64_t v16 = v64 & 0xffff; + + if (v16 == (v64 & 0xff)) { + *cmode = 0x8; + *imm8 = v64 & 0xff; + return true; + } else if (v16 == (v64 & 0xff00)) { + *cmode = 0xa; + *imm8 = v16 >> 8; + return true; + } + } + if (v64 == deposit64(v64, 32, 32, v64)) { + uint64_t v32 = (uint32_t)v64; + + if (v32 == (v64 & 0xff)) { + *cmode = 0x0; + *imm8 = v64 & 0xff; + return true; + } else if (v32 == (v32 & 0xff00)) { + *cmode = 0x2; + *imm8 = (v64 >> 8) & 0xff; + return true; + } else if (v32 == (v32 & 0xff0000)) { + *cmode = 0x4; + *imm8 = (v64 >> 16) & 0xff; + return true; + } else if (v32 == (v32 & 0xff000000)) { + *cmode = 0x6; + *imm8 = v32 >> 24; + return true; + } else if ((v32 & 0xffff00ff) == 0xff) { + *cmode = 0xc; + *imm8 = (v64 >> 8) & 0xff; + return true; + } else if ((v32 & 0xff00ffff) == 0xffff) { + *cmode = 0xd; + *imm8 = (v64 >> 16) & 0xff; + return true; + } else if (extract32(v32, 0, 19) == 0 + && (extract32(v32, 25, 6) == 0x20 + || extract32(v32, 25, 6) == 0x1f)) { + *cmode = 0xf; + *imm8 = (extract32(v32, 31, 1) << 7) + | (extract32(v32, 25, 1) << 6) + | extract32(v32, 19, 6); + return true; + } + } + if (extract64(v64, 0, 48) == 0 + && (extract64(v64, 54, 9) == 0x100 + || extract64(v64, 54, 9) == 0x0ff)) { + *cmode = 0xf; + *op = 1; + *imm8 = (extract64(v64, 63, 1) << 7) + | (extract64(v64, 54, 1) << 6) + | extract64(v64, 48, 6); + return true; + } + for (i = 0; i < 64; i += 8) { + uint64_t byte = extract64(v64, i, 8); + if (byte != 0 && byte != 0xff) { + break; + } + } + if (i == 64) { + *cmode = 0xe; + *op = 1; + *imm8 = (extract64(v64, 0, 1) << 0) + | (extract64(v64, 8, 1) << 1) + | (extract64(v64, 16, 1) << 2) + | (extract64(v64, 24, 1) << 3) + | (extract64(v64, 32, 1) << 4) + | (extract64(v64, 40, 1) << 5) + | (extract64(v64, 48, 1) << 6) + | (extract64(v64, 56, 1) << 7); + return true; + } + return false; +} + static int tcg_target_const_match(tcg_target_long val, TCGType type, const TCGArgConstraint *arg_ct) { @@ -271,6 +381,9 @@ typedef enum { /* Load literal for loading the address at pc-relative offset */ I3305_LDR = 0x58000000, + I3305_LDR_v64 = 0x5c000000, + I3305_LDR_v128 = 0x9c000000, + /* Load/store register. Described here as 3.3.12, but the helper that emits them can transform to 3.3.10 or 3.3.13. */ I3312_STRB = 0x38000000 | LDST_ST << 22 | MO_8 << 30, @@ -290,6 +403,15 @@ typedef enum { I3312_LDRSHX = 0x38000000 | LDST_LD_S_X << 22 | MO_16 << 30, I3312_LDRSWX = 0x38000000 | LDST_LD_S_X << 22 | MO_32 << 30, + I3312_LDRVS = 0x3c000000 | LDST_LD << 22 | MO_32 << 30, + I3312_STRVS = 0x3c000000 | LDST_ST << 22 | MO_32 << 30, + + I3312_LDRVD = 0x3c000000 | LDST_LD << 22 | MO_64 << 30, + I3312_STRVD = 0x3c000000 | LDST_ST << 22 | MO_64 << 30, + + I3312_LDRVQ = 0x3c000000 | 3 << 22 | 0 << 30, + I3312_STRVQ = 0x3c000000 | 2 << 22 | 0 << 30, + I3312_TO_I3310 = 0x00200800, I3312_TO_I3313 = 0x01000000, @@ -374,8 +496,58 @@ typedef enum { I3510_EON = 0x4a200000, I3510_ANDS = 0x6a000000, - NOP = 0xd503201f, + /* AdvSIMD zip.uzp/trn */ + I3603_ZIP1 = 0x0e003800, + I3603_UZP1 = 0x0e001800, + I3603_TRN1 = 0x0e002800, + I3603_ZIP2 = 0x0e007800, + I3603_UZP2 = 0x0e005800, + I3603_TRN2 = 0x0e006800, + + /* AdvSIMD copy */ + I3605_DUP = 0x0e000400, + I3605_INS = 0x4e001c00, + I3605_UMOV = 0x0e003c00, + + /* AdvSIMD modified immediate */ + I3606_MOVI = 0x0f000400, + + /* AdvSIMD shift by immediate */ + I3614_SSHR = 0x0f000400, + I3614_SSRA = 0x0f001400, + I3614_SHL = 0x0f005400, + I3614_SSHLL = 0x0f00a400, + I3614_USHR = 0x2f000400, + I3614_USRA = 0x2f001400, + I3614_USHLL = 0x2f00a400, + + /* AdvSIMD three same. */ + I3616_ADD = 0x0e208400, + I3616_AND = 0x0e201c00, + I3616_BIC = 0x0e601c00, + I3616_EOR = 0x2e201c00, + I3616_MUL = 0x0e209c00, + I3616_ORR = 0x0ea01c00, + I3616_ORN = 0x0ee01c00, + I3616_SUB = 0x2e208400, + I3616_CMGT = 0x0e203400, + I3616_CMGE = 0x0e203c00, + I3616_CMTST = 0x0e208c00, + I3616_CMHI = 0x2e203400, + I3616_CMHS = 0x2e203c00, + I3616_CMEQ = 0x2e208c00, + + /* AdvSIMD two-reg misc. */ + I3617_CMGT0 = 0x0e208800, + I3617_CMEQ0 = 0x0e209800, + I3617_CMLT0 = 0x0e20a800, + I3617_CMGE0 = 0x2e208800, + I3617_CMLE0 = 0x2e20a800, + I3617_NOT = 0x2e205800, + I3617_NEG = 0x2e20b800, + /* System instructions. */ + NOP = 0xd503201f, DMB_ISH = 0xd50338bf, DMB_LD = 0x00000100, DMB_ST = 0x00000200, @@ -520,26 +692,71 @@ static void tcg_out_insn_3509(TCGContext *s, AArch64Insn insn, TCGType ext, tcg_out32(s, insn | ext << 31 | rm << 16 | ra << 10 | rn << 5 | rd); } +static void tcg_out_insn_3603(TCGContext *s, AArch64Insn insn, bool q, + unsigned size, TCGReg rd, TCGReg rn, TCGReg rm) +{ + tcg_out32(s, insn | q << 30 | (size << 22) | (rd & 0x1f) + | (rn & 0x1f) << 5 | (rm & 0x1f) << 16); +} + +static void tcg_out_insn_3605(TCGContext *s, AArch64Insn insn, bool q, + TCGReg rd, TCGReg rn, int dst_idx, int src_idx) +{ + /* Note that bit 11 set means general register input. Therefore + we can handle both register sets with one function. */ + tcg_out32(s, insn | q << 30 | (dst_idx << 16) | (src_idx << 11) + | (rd & 0x1f) | (~rn & 0x20) << 6 | (rn & 0x1f) << 5); +} + +static void tcg_out_insn_3606(TCGContext *s, AArch64Insn insn, bool q, + TCGReg rd, bool op, int cmode, uint8_t imm8) +{ + tcg_out32(s, insn | q << 30 | op << 29 | cmode << 12 | (rd & 0x1f) + | (imm8 & 0xe0) << (16 - 5) | (imm8 & 0x1f) << 5); +} + +static void tcg_out_insn_3614(TCGContext *s, AArch64Insn insn, bool q, + TCGReg rd, TCGReg rn, unsigned immhb) +{ + tcg_out32(s, insn | q << 30 | immhb << 16 + | (rn & 0x1f) << 5 | (rd & 0x1f)); +} + +static void tcg_out_insn_3616(TCGContext *s, AArch64Insn insn, bool q, + unsigned size, TCGReg rd, TCGReg rn, TCGReg rm) +{ + tcg_out32(s, insn | q << 30 | (size << 22) | (rm & 0x1f) << 16 + | (rn & 0x1f) << 5 | (rd & 0x1f)); +} + +static void tcg_out_insn_3617(TCGContext *s, AArch64Insn insn, bool q, + unsigned size, TCGReg rd, TCGReg rn) +{ + tcg_out32(s, insn | q << 30 | (size << 22) + | (rn & 0x1f) << 5 | (rd & 0x1f)); +} + static void tcg_out_insn_3310(TCGContext *s, AArch64Insn insn, TCGReg rd, TCGReg base, TCGType ext, TCGReg regoff) { /* Note the AArch64Insn constants above are for C3.3.12. Adjust. */ tcg_out32(s, insn | I3312_TO_I3310 | regoff << 16 | - 0x4000 | ext << 13 | base << 5 | rd); + 0x4000 | ext << 13 | base << 5 | (rd & 0x1f)); } static void tcg_out_insn_3312(TCGContext *s, AArch64Insn insn, TCGReg rd, TCGReg rn, intptr_t offset) { - tcg_out32(s, insn | (offset & 0x1ff) << 12 | rn << 5 | rd); + tcg_out32(s, insn | (offset & 0x1ff) << 12 | rn << 5 | (rd & 0x1f)); } static void tcg_out_insn_3313(TCGContext *s, AArch64Insn insn, TCGReg rd, TCGReg rn, uintptr_t scaled_uimm) { /* Note the AArch64Insn constants above are for C3.3.12. Adjust. */ - tcg_out32(s, insn | I3312_TO_I3313 | scaled_uimm << 10 | rn << 5 | rd); + tcg_out32(s, insn | I3312_TO_I3313 | scaled_uimm << 10 + | rn << 5 | (rd & 0x1f)); } /* Register to register move using ORR (shifted register with no shift). */ @@ -585,6 +802,35 @@ static void tcg_out_logicali(TCGContext *s, AArch64Insn insn, TCGType ext, tcg_out_insn_3404(s, insn, ext, rd, rn, ext, r, c); } +static void tcg_out_dupi_vec(TCGContext *s, TCGType type, + TCGReg rd, uint64_t v64) +{ + int op, cmode, imm8; + + if (is_fimm(v64, &op, &cmode, &imm8)) { + tcg_out_insn(s, 3606, MOVI, type == TCG_TYPE_V128, rd, op, cmode, imm8); + } else if (type == TCG_TYPE_V128) { + new_pool_l2(s, R_AARCH64_CONDBR19, s->code_ptr, 0, v64, v64); + tcg_out_insn(s, 3305, LDR_v128, 0, rd); + } else { + new_pool_label(s, v64, R_AARCH64_CONDBR19, s->code_ptr, 0); + tcg_out_insn(s, 3305, LDR_v64, 0, rd); + } +} + +static void tcg_out_movi_vec(TCGContext *s, TCGType type, + TCGReg ret, const TCGArg *a) +{ + if (type == TCG_TYPE_V128) { + /* We assume that INDEX_op_dupi could not be used and + therefore we must use a constant pool entry. */ + new_pool_l2(s, R_AARCH64_CONDBR19, s->code_ptr, 0, a[0], a[1]); + tcg_out_insn(s, 3305, LDR_v128, 0, ret); + } else { + tcg_out_dupi_vec(s, TCG_TYPE_V64, ret, a[0]); + } +} + static void tcg_out_movi(TCGContext *s, TCGType type, TCGReg rd, tcg_target_long value) { @@ -594,6 +840,22 @@ static void tcg_out_movi(TCGContext *s, TCGType type, TCGReg rd, int s0, s1; AArch64Insn opc; + switch (type) { + case TCG_TYPE_I32: + case TCG_TYPE_I64: + tcg_debug_assert(rd < 32); + break; + + case TCG_TYPE_V64: + case TCG_TYPE_V128: + tcg_debug_assert(rd >= 32); + tcg_out_dupi_vec(s, type, rd, value); + return; + + default: + g_assert_not_reached(); + } + /* For 32-bit values, discard potential garbage in value. For 64-bit values within [2**31, 2**32-1], we can create smaller sequences by interpreting this as a negative 32-bit number, while ensuring that @@ -669,15 +931,13 @@ static void tcg_out_movi(TCGContext *s, TCGType type, TCGReg rd, /* Define something more legible for general use. */ #define tcg_out_ldst_r tcg_out_insn_3310 -static void tcg_out_ldst(TCGContext *s, AArch64Insn insn, - TCGReg rd, TCGReg rn, intptr_t offset) +static void tcg_out_ldst(TCGContext *s, AArch64Insn insn, TCGReg rd, + TCGReg rn, intptr_t offset, int lgsize) { - TCGMemOp size = (uint32_t)insn >> 30; - /* If the offset is naturally aligned and in range, then we can use the scaled uimm12 encoding */ - if (offset >= 0 && !(offset & ((1 << size) - 1))) { - uintptr_t scaled_uimm = offset >> size; + if (offset >= 0 && !(offset & ((1 << lgsize) - 1))) { + uintptr_t scaled_uimm = offset >> lgsize; if (scaled_uimm <= 0xfff) { tcg_out_insn_3313(s, insn, rd, rn, scaled_uimm); return; @@ -695,32 +955,102 @@ static void tcg_out_ldst(TCGContext *s, AArch64Insn insn, tcg_out_ldst_r(s, insn, rd, rn, TCG_TYPE_I64, TCG_REG_TMP); } -static inline void tcg_out_mov(TCGContext *s, - TCGType type, TCGReg ret, TCGReg arg) +static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) { - if (ret != arg) { - tcg_out_movr(s, type, ret, arg); + if (ret == arg) { + return; + } + switch (type) { + case TCG_TYPE_I32: + case TCG_TYPE_I64: + if (ret < 32 && arg < 32) { + tcg_out_movr(s, type, ret, arg); + break; + } else if (ret < 32) { + tcg_out_insn(s, 3605, UMOV, type, ret, arg, 0, 0); + break; + } else if (arg < 32) { + tcg_out_insn(s, 3605, INS, 0, ret, arg, 4 << type, 0); + break; + } + /* FALLTHRU */ + + case TCG_TYPE_V64: + tcg_debug_assert(ret >= 32 && arg >= 32); + tcg_out_insn(s, 3616, ORR, 0, 0, ret, arg, arg); + break; + case TCG_TYPE_V128: + tcg_debug_assert(ret >= 32 && arg >= 32); + tcg_out_insn(s, 3616, ORR, 1, 0, ret, arg, arg); + break; + + default: + g_assert_not_reached(); } } -static inline void tcg_out_ld(TCGContext *s, TCGType type, TCGReg arg, - TCGReg arg1, intptr_t arg2) +static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg ret, + TCGReg base, intptr_t ofs) { - tcg_out_ldst(s, type == TCG_TYPE_I32 ? I3312_LDRW : I3312_LDRX, - arg, arg1, arg2); + AArch64Insn insn; + int lgsz; + + switch (type) { + case TCG_TYPE_I32: + insn = (ret < 32 ? I3312_LDRW : I3312_LDRVS); + lgsz = 2; + break; + case TCG_TYPE_I64: + insn = (ret < 32 ? I3312_LDRX : I3312_LDRVD); + lgsz = 3; + break; + case TCG_TYPE_V64: + insn = I3312_LDRVD; + lgsz = 3; + break; + case TCG_TYPE_V128: + insn = I3312_LDRVQ; + lgsz = 4; + break; + default: + g_assert_not_reached(); + } + tcg_out_ldst(s, insn, ret, base, ofs, lgsz); } -static inline void tcg_out_st(TCGContext *s, TCGType type, TCGReg arg, - TCGReg arg1, intptr_t arg2) +static void tcg_out_st(TCGContext *s, TCGType type, TCGReg src, + TCGReg base, intptr_t ofs) { - tcg_out_ldst(s, type == TCG_TYPE_I32 ? I3312_STRW : I3312_STRX, - arg, arg1, arg2); + AArch64Insn insn; + int lgsz; + + switch (type) { + case TCG_TYPE_I32: + insn = (src < 32 ? I3312_STRW : I3312_STRVS); + lgsz = 2; + break; + case TCG_TYPE_I64: + insn = (src < 32 ? I3312_STRX : I3312_STRVD); + lgsz = 3; + break; + case TCG_TYPE_V64: + insn = I3312_STRVD; + lgsz = 3; + break; + case TCG_TYPE_V128: + insn = I3312_STRVQ; + lgsz = 4; + break; + default: + g_assert_not_reached(); + } + tcg_out_ldst(s, insn, src, base, ofs, lgsz); } static inline bool tcg_out_sti(TCGContext *s, TCGType type, TCGArg val, TCGReg base, intptr_t ofs) { - if (val == 0) { + if (type <= TCG_TYPE_I64 && val == 0) { tcg_out_st(s, type, TCG_REG_XZR, base, ofs); return true; } @@ -1210,14 +1540,15 @@ static void tcg_out_tlb_read(TCGContext *s, TCGReg addr_reg, TCGMemOp opc, /* Merge "low bits" from tlb offset, load the tlb comparator into X0. X0 = load [X2 + (tlb_offset & 0x000fff)] */ tcg_out_ldst(s, TARGET_LONG_BITS == 32 ? I3312_LDRW : I3312_LDRX, - TCG_REG_X0, TCG_REG_X2, tlb_offset & 0xfff); + TCG_REG_X0, TCG_REG_X2, tlb_offset & 0xfff, + TARGET_LONG_BITS == 32 ? 2 : 3); /* Load the tlb addend. Do that early to avoid stalling. X1 = load [X2 + (tlb_offset & 0xfff) + offsetof(addend)] */ tcg_out_ldst(s, I3312_LDRX, TCG_REG_X1, TCG_REG_X2, (tlb_offset & 0xfff) + (offsetof(CPUTLBEntry, addend)) - (is_read ? offsetof(CPUTLBEntry, addr_read) - : offsetof(CPUTLBEntry, addr_write))); + : offsetof(CPUTLBEntry, addr_write)), 3); /* Perform the address comparison. */ tcg_out_cmp(s, (TARGET_LONG_BITS == 64), TCG_REG_X0, TCG_REG_X3, 0); @@ -1435,49 +1766,49 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, case INDEX_op_ld8u_i32: case INDEX_op_ld8u_i64: - tcg_out_ldst(s, I3312_LDRB, a0, a1, a2); + tcg_out_ldst(s, I3312_LDRB, a0, a1, a2, 0); break; case INDEX_op_ld8s_i32: - tcg_out_ldst(s, I3312_LDRSBW, a0, a1, a2); + tcg_out_ldst(s, I3312_LDRSBW, a0, a1, a2, 0); break; case INDEX_op_ld8s_i64: - tcg_out_ldst(s, I3312_LDRSBX, a0, a1, a2); + tcg_out_ldst(s, I3312_LDRSBX, a0, a1, a2, 0); break; case INDEX_op_ld16u_i32: case INDEX_op_ld16u_i64: - tcg_out_ldst(s, I3312_LDRH, a0, a1, a2); + tcg_out_ldst(s, I3312_LDRH, a0, a1, a2, 1); break; case INDEX_op_ld16s_i32: - tcg_out_ldst(s, I3312_LDRSHW, a0, a1, a2); + tcg_out_ldst(s, I3312_LDRSHW, a0, a1, a2, 1); break; case INDEX_op_ld16s_i64: - tcg_out_ldst(s, I3312_LDRSHX, a0, a1, a2); + tcg_out_ldst(s, I3312_LDRSHX, a0, a1, a2, 1); break; case INDEX_op_ld_i32: case INDEX_op_ld32u_i64: - tcg_out_ldst(s, I3312_LDRW, a0, a1, a2); + tcg_out_ldst(s, I3312_LDRW, a0, a1, a2, 2); break; case INDEX_op_ld32s_i64: - tcg_out_ldst(s, I3312_LDRSWX, a0, a1, a2); + tcg_out_ldst(s, I3312_LDRSWX, a0, a1, a2, 2); break; case INDEX_op_ld_i64: - tcg_out_ldst(s, I3312_LDRX, a0, a1, a2); + tcg_out_ldst(s, I3312_LDRX, a0, a1, a2, 3); break; case INDEX_op_st8_i32: case INDEX_op_st8_i64: - tcg_out_ldst(s, I3312_STRB, REG0(0), a1, a2); + tcg_out_ldst(s, I3312_STRB, REG0(0), a1, a2, 0); break; case INDEX_op_st16_i32: case INDEX_op_st16_i64: - tcg_out_ldst(s, I3312_STRH, REG0(0), a1, a2); + tcg_out_ldst(s, I3312_STRH, REG0(0), a1, a2, 1); break; case INDEX_op_st_i32: case INDEX_op_st32_i64: - tcg_out_ldst(s, I3312_STRW, REG0(0), a1, a2); + tcg_out_ldst(s, I3312_STRW, REG0(0), a1, a2, 2); break; case INDEX_op_st_i64: - tcg_out_ldst(s, I3312_STRX, REG0(0), a1, a2); + tcg_out_ldst(s, I3312_STRX, REG0(0), a1, a2, 3); break; case INDEX_op_add_i32: @@ -1776,25 +2107,230 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */ case INDEX_op_mov_i64: + case INDEX_op_mov_vec: case INDEX_op_movi_i32: /* Always emitted via tcg_out_movi. */ case INDEX_op_movi_i64: + case INDEX_op_dupi_vec: case INDEX_op_call: /* Always emitted via tcg_out_call. */ default: - tcg_abort(); + g_assert_not_reached(); } #undef REG0 } +static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc, + unsigned vecl, unsigned vece, + const TCGArg *args, const int *const_args) +{ + static const AArch64Insn cmp_insn[16] = { + [TCG_COND_EQ] = I3616_CMEQ, + [TCG_COND_GT] = I3616_CMGT, + [TCG_COND_GE] = I3616_CMGE, + [TCG_COND_GTU] = I3616_CMHI, + [TCG_COND_GEU] = I3616_CMHS, + }; + static const AArch64Insn cmp0_insn[16] = { + [TCG_COND_EQ] = I3617_CMEQ0, + [TCG_COND_GT] = I3617_CMGT0, + [TCG_COND_GE] = I3617_CMGE0, + [TCG_COND_LT] = I3617_CMLT0, + [TCG_COND_LE] = I3617_CMLE0, + }; + + TCGType type = vecl + TCG_TYPE_V64; + unsigned is_q = vecl; + TCGArg a0, a1, a2; + + a0 = args[0]; + a1 = args[1]; + a2 = args[2]; + + switch (opc) { + case INDEX_op_movi_vec: + tcg_out_movi_vec(s, type, a0, args + 1); + break; + case INDEX_op_ld_vec: + tcg_out_ld(s, type, a0, a1, a2); + break; + case INDEX_op_st_vec: + tcg_out_st(s, type, a0, a1, a2); + break; + case INDEX_op_add_vec: + tcg_out_insn(s, 3616, ADD, is_q, vece, a0, a1, a2); + break; + case INDEX_op_sub_vec: + tcg_out_insn(s, 3616, SUB, is_q, vece, a0, a1, a2); + break; + case INDEX_op_mul_vec: + tcg_out_insn(s, 3616, MUL, is_q, vece, a0, a1, a2); + break; + case INDEX_op_neg_vec: + tcg_out_insn(s, 3617, NEG, is_q, vece, a0, a1); + break; + case INDEX_op_and_vec: + tcg_out_insn(s, 3616, AND, is_q, 0, a0, a1, a2); + break; + case INDEX_op_or_vec: + tcg_out_insn(s, 3616, ORR, is_q, 0, a0, a1, a2); + break; + case INDEX_op_xor_vec: + tcg_out_insn(s, 3616, EOR, is_q, 0, a0, a1, a2); + break; + case INDEX_op_andc_vec: + tcg_out_insn(s, 3616, BIC, is_q, 0, a0, a1, a2); + break; + case INDEX_op_orc_vec: + tcg_out_insn(s, 3616, ORN, is_q, 0, a0, a1, a2); + break; + case INDEX_op_not_vec: + tcg_out_insn(s, 3617, NOT, is_q, 0, a0, a1); + break; + case INDEX_op_dup_vec: + tcg_out_insn(s, 3605, DUP, is_q, a0, a1, 1 << vece, 0); + break; + case INDEX_op_shli_vec: + tcg_out_insn(s, 3614, SHL, is_q, a0, a1, a2 + (8 << vece)); + break; + case INDEX_op_shri_vec: + tcg_out_insn(s, 3614, USHR, is_q, a0, a1, (16 << vece) - a2); + break; + case INDEX_op_sari_vec: + tcg_out_insn(s, 3614, SSHR, is_q, a0, a1, (16 << vece) - a2); + break; + case INDEX_op_cmp_vec: + { + TCGCond cond = args[3]; + AArch64Insn insn; + + if (cond == TCG_COND_NE) { + if (const_args[2]) { + tcg_out_insn(s, 3616, CMTST, is_q, vece, a0, a1, a1); + } else { + tcg_out_insn(s, 3616, CMEQ, is_q, vece, a0, a1, a2); + tcg_out_insn(s, 3617, NOT, is_q, 0, a0, a0); + } + } else { + if (const_args[2]) { + insn = cmp0_insn[cond]; + if (insn) { + tcg_out_insn_3617(s, insn, is_q, vece, a0, a1); + break; + } + tcg_out_dupi_vec(s, type, TCG_VEC_TMP, 0); + a2 = TCG_VEC_TMP; + } + insn = cmp_insn[cond]; + if (insn == 0) { + TCGArg t; + t = a1, a1 = a2, a2 = t; + cond = tcg_swap_cond(cond); + insn = cmp_insn[cond]; + tcg_debug_assert(insn != 0); + } + tcg_out_insn_3616(s, insn, is_q, vece, a0, a1, a2); + } + } + break; + case INDEX_op_zipl_vec: + tcg_out_insn(s, 3603, ZIP1, is_q, vece, a0, a1, a2); + break; + case INDEX_op_ziph_vec: + tcg_out_insn(s, 3603, ZIP2, is_q, vece, a0, a1, a2); + break; + case INDEX_op_uzpe_vec: + tcg_out_insn(s, 3603, UZP1, is_q, vece, a0, a1, a2); + break; + case INDEX_op_uzpo_vec: + tcg_out_insn(s, 3603, UZP2, is_q, vece, a0, a1, a2); + break; + case INDEX_op_trne_vec: + tcg_out_insn(s, 3603, TRN1, is_q, vece, a0, a1, a2); + break; + case INDEX_op_trno_vec: + tcg_out_insn(s, 3603, TRN2, is_q, vece, a0, a1, a2); + break; + case INDEX_op_extul_vec: + tcg_out_insn(s, 3614, USHLL, 0, a0, a1, 0 + (8 << vece)); + break; + case INDEX_op_extuh_vec: + if (is_q) { + tcg_out_insn(s, 3614, USHLL, 1, a0, a1, 0 + (8 << vece)); + } else { + tcg_out_insn(s, 3614, USHLL, 0, a0, a1, 0 + (8 << vece)); + tcg_out_insn(s, 3605, INS, 0, a0, a0, 8, 16); + } + break; + case INDEX_op_extsl_vec: + tcg_out_insn(s, 3614, SSHLL, 0, a0, a1, 0 + (8 << vece)); + break; + case INDEX_op_extsh_vec: + if (is_q) { + tcg_out_insn(s, 3614, SSHLL, 1, a0, a1, 0 + (8 << vece)); + } else { + tcg_out_insn(s, 3614, SSHLL, 0, a0, a1, 0 + (8 << vece)); + tcg_out_insn(s, 3605, INS, 0, a0, a0, 8, 16); + } + break; + default: + g_assert_not_reached(); + } +} + +int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, unsigned vece) +{ + switch (opc) { + case INDEX_op_add_vec: + case INDEX_op_sub_vec: + case INDEX_op_mul_vec: + case INDEX_op_and_vec: + case INDEX_op_or_vec: + case INDEX_op_xor_vec: + case INDEX_op_andc_vec: + case INDEX_op_orc_vec: + case INDEX_op_neg_vec: + case INDEX_op_not_vec: + case INDEX_op_cmp_vec: + case INDEX_op_zipl_vec: + case INDEX_op_ziph_vec: + case INDEX_op_uzpe_vec: + case INDEX_op_uzpo_vec: + case INDEX_op_trne_vec: + case INDEX_op_trno_vec: + case INDEX_op_shli_vec: + case INDEX_op_shri_vec: + case INDEX_op_sari_vec: + case INDEX_op_extul_vec: + case INDEX_op_extuh_vec: + case INDEX_op_extsl_vec: + case INDEX_op_extsh_vec: + return 1; + + default: + return 0; + } +} + +void tcg_expand_vec_op(TCGOpcode opc, TCGType type, unsigned vece, + TCGArg a0, ...) +{ +} + static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode op) { static const TCGTargetOpDef r = { .args_ct_str = { "r" } }; + static const TCGTargetOpDef w = { .args_ct_str = { "w" } }; static const TCGTargetOpDef r_r = { .args_ct_str = { "r", "r" } }; + static const TCGTargetOpDef w_w = { .args_ct_str = { "w", "w" } }; + static const TCGTargetOpDef w_r = { .args_ct_str = { "w", "r" } }; + static const TCGTargetOpDef w_wr = { .args_ct_str = { "w", "wr" } }; static const TCGTargetOpDef r_l = { .args_ct_str = { "r", "l" } }; static const TCGTargetOpDef r_rA = { .args_ct_str = { "r", "rA" } }; static const TCGTargetOpDef rZ_r = { .args_ct_str = { "rZ", "r" } }; static const TCGTargetOpDef lZ_l = { .args_ct_str = { "lZ", "l" } }; static const TCGTargetOpDef r_r_r = { .args_ct_str = { "r", "r", "r" } }; + static const TCGTargetOpDef w_w_w = { .args_ct_str = { "w", "w", "w" } }; + static const TCGTargetOpDef w_w_wZ = { .args_ct_str = { "w", "w", "wZ" } }; static const TCGTargetOpDef r_r_ri = { .args_ct_str = { "r", "r", "ri" } }; static const TCGTargetOpDef r_r_rA = { .args_ct_str = { "r", "r", "rA" } }; static const TCGTargetOpDef r_r_rL = { .args_ct_str = { "r", "r", "rL" } }; @@ -1938,6 +2474,41 @@ static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode op) case INDEX_op_sub2_i64: return &add2; + case INDEX_op_movi_vec: + return &w; + case INDEX_op_add_vec: + case INDEX_op_sub_vec: + case INDEX_op_mul_vec: + case INDEX_op_and_vec: + case INDEX_op_or_vec: + case INDEX_op_xor_vec: + case INDEX_op_andc_vec: + case INDEX_op_orc_vec: + case INDEX_op_zipl_vec: + case INDEX_op_ziph_vec: + case INDEX_op_uzpe_vec: + case INDEX_op_uzpo_vec: + case INDEX_op_trne_vec: + case INDEX_op_trno_vec: + return &w_w_w; + case INDEX_op_not_vec: + case INDEX_op_neg_vec: + case INDEX_op_shli_vec: + case INDEX_op_shri_vec: + case INDEX_op_sari_vec: + case INDEX_op_extul_vec: + case INDEX_op_extuh_vec: + case INDEX_op_extsl_vec: + case INDEX_op_extsh_vec: + return &w_w; + case INDEX_op_ld_vec: + case INDEX_op_st_vec: + return &w_r; + case INDEX_op_dup_vec: + return &w_wr; + case INDEX_op_cmp_vec: + return &w_w_wZ; + default: return NULL; } @@ -1947,8 +2518,10 @@ static void tcg_target_init(TCGContext *s) { tcg_target_available_regs[TCG_TYPE_I32] = 0xffffffffu; tcg_target_available_regs[TCG_TYPE_I64] = 0xffffffffu; + tcg_target_available_regs[TCG_TYPE_V64] = 0xffffffff00000000ull; + tcg_target_available_regs[TCG_TYPE_V128] = 0xffffffff00000000ull; - tcg_target_call_clobber_regs = 0xfffffffu; + tcg_target_call_clobber_regs = -1ull; tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_X19); tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_X20); tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_X21); @@ -1960,12 +2533,21 @@ static void tcg_target_init(TCGContext *s) tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_X27); tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_X28); tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_X29); + tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_V8); + tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_V9); + tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_V10); + tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_V11); + tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_V12); + tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_V13); + tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_V14); + tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_V15); s->reserved_regs = 0; tcg_regset_set_reg(s->reserved_regs, TCG_REG_SP); tcg_regset_set_reg(s->reserved_regs, TCG_REG_FP); tcg_regset_set_reg(s->reserved_regs, TCG_REG_TMP); tcg_regset_set_reg(s->reserved_regs, TCG_REG_X18); /* platform register */ + tcg_regset_set_reg(s->reserved_regs, TCG_VEC_TMP); } /* Saving pairs: (X19, X20) .. (X27, X28), (X29(fp), X30(lr)). */