From b38daef9d4a174b874284ddac6d82f246a556363 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Wed, 30 Apr 2014 14:05:39 -0700 Subject: tcg-ppc: Remove the backend Vectoring the 32-bit build to the ppc64 directory. Tested-by: Tom Musta Signed-off-by: Richard Henderson --- tcg/ppc/tcg-target.c | 1933 -------------------------------------------------- tcg/ppc/tcg-target.h | 109 --- 2 files changed, 2042 deletions(-) delete mode 100644 tcg/ppc/tcg-target.c delete mode 100644 tcg/ppc/tcg-target.h (limited to 'tcg/ppc') diff --git a/tcg/ppc/tcg-target.c b/tcg/ppc/tcg-target.c deleted file mode 100644 index d64eaa5f4f..0000000000 --- a/tcg/ppc/tcg-target.c +++ /dev/null @@ -1,1933 +0,0 @@ -/* - * Tiny Code Generator for QEMU - * - * Copyright (c) 2008 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include "tcg-be-ldst.h" - -static tcg_insn_unit *tb_ret_addr; - -#if defined _CALL_DARWIN || defined __APPLE__ -#define TCG_TARGET_CALL_DARWIN -#endif - -#ifdef TCG_TARGET_CALL_DARWIN -#define LINKAGE_AREA_SIZE 24 -#define LR_OFFSET 8 -#elif defined _CALL_AIX -#define LINKAGE_AREA_SIZE 52 -#define LR_OFFSET 8 -#else -#define LINKAGE_AREA_SIZE 8 -#define LR_OFFSET 4 -#endif - -#ifndef GUEST_BASE -#define GUEST_BASE 0 -#endif - -#ifdef CONFIG_USE_GUEST_BASE -#define TCG_GUEST_BASE_REG 30 -#else -#define TCG_GUEST_BASE_REG 0 -#endif - -#ifndef NDEBUG -static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = { - "r0", - "r1", - "r2", - "r3", - "r4", - "r5", - "r6", - "r7", - "r8", - "r9", - "r10", - "r11", - "r12", - "r13", - "r14", - "r15", - "r16", - "r17", - "r18", - "r19", - "r20", - "r21", - "r22", - "r23", - "r24", - "r25", - "r26", - "r27", - "r28", - "r29", - "r30", - "r31" -}; -#endif - -static const int tcg_target_reg_alloc_order[] = { - TCG_REG_R14, - TCG_REG_R15, - TCG_REG_R16, - TCG_REG_R17, - TCG_REG_R18, - TCG_REG_R19, - TCG_REG_R20, - TCG_REG_R21, - TCG_REG_R22, - TCG_REG_R23, - TCG_REG_R28, - TCG_REG_R29, - TCG_REG_R30, - TCG_REG_R31, -#ifdef TCG_TARGET_CALL_DARWIN - TCG_REG_R2, -#endif - TCG_REG_R3, - TCG_REG_R4, - TCG_REG_R5, - TCG_REG_R6, - TCG_REG_R7, - TCG_REG_R8, - TCG_REG_R9, - TCG_REG_R10, -#ifndef TCG_TARGET_CALL_DARWIN - TCG_REG_R11, -#endif - TCG_REG_R12, -#ifndef _CALL_SYSV - TCG_REG_R13, -#endif - TCG_REG_R24, - TCG_REG_R25, - TCG_REG_R26, - TCG_REG_R27 -}; - -static const int tcg_target_call_iarg_regs[] = { - TCG_REG_R3, - TCG_REG_R4, - TCG_REG_R5, - TCG_REG_R6, - TCG_REG_R7, - TCG_REG_R8, - TCG_REG_R9, - TCG_REG_R10 -}; - -static const int tcg_target_call_oarg_regs[2] = { - TCG_REG_R3, - TCG_REG_R4 -}; - -static const int tcg_target_callee_save_regs[] = { -#ifdef TCG_TARGET_CALL_DARWIN - TCG_REG_R11, - TCG_REG_R13, -#endif -#ifdef _CALL_AIX - TCG_REG_R13, -#endif - TCG_REG_R14, - TCG_REG_R15, - TCG_REG_R16, - TCG_REG_R17, - TCG_REG_R18, - TCG_REG_R19, - TCG_REG_R20, - TCG_REG_R21, - TCG_REG_R22, - TCG_REG_R23, - TCG_REG_R24, - TCG_REG_R25, - TCG_REG_R26, - TCG_REG_R27, /* currently used for the global env */ - TCG_REG_R28, - TCG_REG_R29, - TCG_REG_R30, - TCG_REG_R31 -}; - -static inline bool in_range_b(tcg_target_long target) -{ - return target == sextract32(target, 0, 26); -} - -static uint32_t reloc_pc24_val(tcg_insn_unit *pc, tcg_insn_unit *target) -{ - ptrdiff_t disp = tcg_ptr_byte_diff(target, pc); - assert(in_range_b(disp)); - return disp & 0x3fffffc; -} - -static void reloc_pc24(tcg_insn_unit *pc, tcg_insn_unit *target) -{ - *pc = (*pc & ~0x3fffffc) | reloc_pc24_val(pc, target); -} - -static uint16_t reloc_pc14_val(tcg_insn_unit *pc, tcg_insn_unit *target) -{ - ptrdiff_t disp = tcg_ptr_byte_diff(target, pc); - assert(disp == (int16_t) disp); - return disp & 0xfffc; -} - -static void reloc_pc14(tcg_insn_unit *pc, tcg_insn_unit *target) -{ - *pc = (*pc & ~0xfffc) | reloc_pc14_val(pc, target); -} - -static void patch_reloc(tcg_insn_unit *code_ptr, int type, - intptr_t value, intptr_t addend) -{ - tcg_insn_unit *target = (tcg_insn_unit *)value; - - assert(addend == 0); - switch (type) { - case R_PPC_REL14: - reloc_pc14(code_ptr, target); - break; - case R_PPC_REL24: - reloc_pc24(code_ptr, target); - break; - default: - tcg_abort(); - } -} - -/* parse target specific constraints */ -static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str) -{ - const char *ct_str; - - ct_str = *pct_str; - switch (ct_str[0]) { - case 'A': case 'B': case 'C': case 'D': - ct->ct |= TCG_CT_REG; - tcg_regset_set_reg(ct->u.regs, 3 + ct_str[0] - 'A'); - break; - case 'r': - ct->ct |= TCG_CT_REG; - tcg_regset_set32(ct->u.regs, 0, 0xffffffff); - break; -#ifdef CONFIG_SOFTMMU - case 'L': /* qemu_ld constraint */ - ct->ct |= TCG_CT_REG; - tcg_regset_set32(ct->u.regs, 0, 0xffffffff); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_R4); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_R5); -#if TARGET_LONG_BITS == 64 - tcg_regset_reset_reg(ct->u.regs, TCG_REG_R6); -#ifdef TCG_TARGET_CALL_ALIGN_ARGS - tcg_regset_reset_reg(ct->u.regs, TCG_REG_R7); -#endif -#endif - break; - case 'K': /* qemu_st[8..32] constraint */ - ct->ct |= TCG_CT_REG; - tcg_regset_set32(ct->u.regs, 0, 0xffffffff); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_R4); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_R5); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_R6); -#if TARGET_LONG_BITS == 64 - tcg_regset_reset_reg(ct->u.regs, TCG_REG_R7); -#ifdef TCG_TARGET_CALL_ALIGN_ARGS - tcg_regset_reset_reg(ct->u.regs, TCG_REG_R8); -#endif -#endif - break; - case 'M': /* qemu_st64 constraint */ - ct->ct |= TCG_CT_REG; - tcg_regset_set32(ct->u.regs, 0, 0xffffffff); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_R4); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_R5); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_R6); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_R7); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_R8); -#ifdef TCG_TARGET_CALL_ALIGN_ARGS - tcg_regset_reset_reg(ct->u.regs, TCG_REG_R9); -#endif - break; -#else - case 'L': - case 'K': - ct->ct |= TCG_CT_REG; - tcg_regset_set32(ct->u.regs, 0, 0xffffffff); - break; - case 'M': - ct->ct |= TCG_CT_REG; - tcg_regset_set32(ct->u.regs, 0, 0xffffffff); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3); - break; -#endif - default: - return -1; - } - ct_str++; - *pct_str = ct_str; - return 0; -} - -/* test if a constant matches the constraint */ -static int tcg_target_const_match(tcg_target_long val, TCGType type, - const TCGArgConstraint *arg_ct) -{ - int ct; - - ct = arg_ct->ct; - if (ct & TCG_CT_CONST) - return 1; - return 0; -} - -#define OPCD(opc) ((opc)<<26) -#define XO31(opc) (OPCD(31)|((opc)<<1)) -#define XO19(opc) (OPCD(19)|((opc)<<1)) - -#define B OPCD(18) -#define BC OPCD(16) -#define LBZ OPCD(34) -#define LHZ OPCD(40) -#define LHA OPCD(42) -#define LWZ OPCD(32) -#define STB OPCD(38) -#define STH OPCD(44) -#define STW OPCD(36) - -#define ADDIC OPCD(12) -#define ADDI OPCD(14) -#define ADDIS OPCD(15) -#define ORI OPCD(24) -#define ORIS OPCD(25) -#define XORI OPCD(26) -#define XORIS OPCD(27) -#define ANDI OPCD(28) -#define ANDIS OPCD(29) -#define MULLI OPCD( 7) -#define CMPLI OPCD(10) -#define CMPI OPCD(11) -#define SUBFIC OPCD( 8) - -#define LWZU OPCD(33) -#define STWU OPCD(37) - -#define RLWIMI OPCD(20) -#define RLWINM OPCD(21) -#define RLWNM OPCD(23) - -#define BCLR XO19( 16) -#define BCCTR XO19(528) -#define CRAND XO19(257) -#define CRANDC XO19(129) -#define CRNAND XO19(225) -#define CROR XO19(449) -#define CRNOR XO19( 33) - -#define EXTSB XO31(954) -#define EXTSH XO31(922) -#define ADD XO31(266) -#define ADDE XO31(138) -#define ADDC XO31( 10) -#define AND XO31( 28) -#define SUBF XO31( 40) -#define SUBFC XO31( 8) -#define SUBFE XO31(136) -#define OR XO31(444) -#define XOR XO31(316) -#define MULLW XO31(235) -#define MULHWU XO31( 11) -#define DIVW XO31(491) -#define DIVWU XO31(459) -#define CMP XO31( 0) -#define CMPL XO31( 32) -#define LHBRX XO31(790) -#define LWBRX XO31(534) -#define STHBRX XO31(918) -#define STWBRX XO31(662) -#define MFSPR XO31(339) -#define MTSPR XO31(467) -#define SRAWI XO31(824) -#define NEG XO31(104) -#define MFCR XO31( 19) -#define CNTLZW XO31( 26) -#define NOR XO31(124) -#define ANDC XO31( 60) -#define ORC XO31(412) -#define EQV XO31(284) -#define NAND XO31(476) -#define ISEL XO31( 15) - -#define LBZX XO31( 87) -#define LHZX XO31(279) -#define LHAX XO31(343) -#define LWZX XO31( 23) -#define STBX XO31(215) -#define STHX XO31(407) -#define STWX XO31(151) - -#define SPR(a,b) ((((a)<<5)|(b))<<11) -#define LR SPR(8, 0) -#define CTR SPR(9, 0) - -#define SLW XO31( 24) -#define SRW XO31(536) -#define SRAW XO31(792) - -#define TW XO31(4) -#define TRAP (TW | TO (31)) - -#define RT(r) ((r)<<21) -#define RS(r) ((r)<<21) -#define RA(r) ((r)<<16) -#define RB(r) ((r)<<11) -#define TO(t) ((t)<<21) -#define SH(s) ((s)<<11) -#define MB(b) ((b)<<6) -#define ME(e) ((e)<<1) -#define BO(o) ((o)<<21) - -#define LK 1 - -#define TAB(t,a,b) (RT(t) | RA(a) | RB(b)) -#define SAB(s,a,b) (RS(s) | RA(a) | RB(b)) - -#define BF(n) ((n)<<23) -#define BI(n, c) (((c)+((n)*4))<<16) -#define BT(n, c) (((c)+((n)*4))<<21) -#define BA(n, c) (((c)+((n)*4))<<16) -#define BB(n, c) (((c)+((n)*4))<<11) - -#define BO_COND_TRUE BO (12) -#define BO_COND_FALSE BO (4) -#define BO_ALWAYS BO (20) - -enum { - CR_LT, - CR_GT, - CR_EQ, - CR_SO -}; - -static const uint32_t tcg_to_bc[] = { - [TCG_COND_EQ] = BC | BI (7, CR_EQ) | BO_COND_TRUE, - [TCG_COND_NE] = BC | BI (7, CR_EQ) | BO_COND_FALSE, - [TCG_COND_LT] = BC | BI (7, CR_LT) | BO_COND_TRUE, - [TCG_COND_GE] = BC | BI (7, CR_LT) | BO_COND_FALSE, - [TCG_COND_LE] = BC | BI (7, CR_GT) | BO_COND_FALSE, - [TCG_COND_GT] = BC | BI (7, CR_GT) | BO_COND_TRUE, - [TCG_COND_LTU] = BC | BI (7, CR_LT) | BO_COND_TRUE, - [TCG_COND_GEU] = BC | BI (7, CR_LT) | BO_COND_FALSE, - [TCG_COND_LEU] = BC | BI (7, CR_GT) | BO_COND_FALSE, - [TCG_COND_GTU] = BC | BI (7, CR_GT) | BO_COND_TRUE, -}; - -static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) -{ - if (ret != arg) { - tcg_out32(s, OR | SAB(arg, ret, arg)); - } -} - -static void tcg_out_movi(TCGContext *s, TCGType type, - TCGReg ret, tcg_target_long arg) -{ - if (arg == (int16_t) arg) - tcg_out32 (s, ADDI | RT (ret) | RA (0) | (arg & 0xffff)); - else { - tcg_out32 (s, ADDIS | RT (ret) | RA (0) | ((arg >> 16) & 0xffff)); - if (arg & 0xffff) - tcg_out32 (s, ORI | RS (ret) | RA (ret) | (arg & 0xffff)); - } -} - -static void tcg_out_ldst (TCGContext *s, int ret, int addr, - int offset, int op1, int op2) -{ - if (offset == (int16_t) offset) - tcg_out32 (s, op1 | RT (ret) | RA (addr) | (offset & 0xffff)); - else { - tcg_out_movi (s, TCG_TYPE_I32, 0, offset); - tcg_out32 (s, op2 | RT (ret) | RA (addr) | RB (0)); - } -} - -static void tcg_out_b(TCGContext *s, int mask, tcg_insn_unit *target) -{ - ptrdiff_t disp = tcg_pcrel_diff(s, target); - if (in_range_b(disp)) { - tcg_out32(s, B | (disp & 0x3fffffc) | mask); - } else { - tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_R0, (uintptr_t)target); - tcg_out32(s, MTSPR | RS(TCG_REG_R0) | CTR); - tcg_out32(s, BCCTR | BO_ALWAYS | mask); - } -} - -static void tcg_out_call1(TCGContext *s, tcg_insn_unit *target, int lk) -{ -#ifdef _CALL_AIX - tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_R2, (uintptr_t)target); - tcg_out32(s, LWZ | RT(TCG_REG_R0) | RA(reg)); - tcg_out32(s, MTSPR | RA(TCG_REG_R0) | CTR); - tcg_out32(s, LWZ | RT(TCG_REG_R2) | RA(reg) | 4); - tcg_out32(s, BCCTR | BO_ALWAYS | lk); -#else - tcg_out_b(s, lk, target); -#endif -} - -static void tcg_out_call(TCGContext *s, tcg_insn_unit *target) -{ - tcg_out_call1(s, target, LK); -} - -#if defined(CONFIG_SOFTMMU) - -static void add_qemu_ldst_label (TCGContext *s, - bool is_ld, - TCGMemOp opc, - int data_reg, - int data_reg2, - int addrlo_reg, - int addrhi_reg, - int mem_index, - tcg_insn_unit *raddr, - tcg_insn_unit *label_ptr) -{ - TCGLabelQemuLdst *label = new_ldst_label(s); - - label->is_ld = is_ld; - label->opc = opc; - label->datalo_reg = data_reg; - label->datahi_reg = data_reg2; - label->addrlo_reg = addrlo_reg; - label->addrhi_reg = addrhi_reg; - label->mem_index = mem_index; - label->raddr = raddr; - label->label_ptr[0] = label_ptr; -} - -/* helper signature: helper_ret_ld_mmu(CPUState *env, target_ulong addr, - * int mmu_idx, uintptr_t ra) - */ -static void * const qemu_ld_helpers[16] = { - [MO_UB] = helper_ret_ldub_mmu, - [MO_LEUW] = helper_le_lduw_mmu, - [MO_LEUL] = helper_le_ldul_mmu, - [MO_LEQ] = helper_le_ldq_mmu, - [MO_BEUW] = helper_be_lduw_mmu, - [MO_BEUL] = helper_be_ldul_mmu, - [MO_BEQ] = helper_be_ldq_mmu, -}; - -/* helper signature: helper_ret_st_mmu(CPUState *env, target_ulong addr, - * uintxx_t val, int mmu_idx, uintptr_t ra) - */ -static void * const qemu_st_helpers[16] = { - [MO_UB] = helper_ret_stb_mmu, - [MO_LEUW] = helper_le_stw_mmu, - [MO_LEUL] = helper_le_stl_mmu, - [MO_LEQ] = helper_le_stq_mmu, - [MO_BEUW] = helper_be_stw_mmu, - [MO_BEUL] = helper_be_stl_mmu, - [MO_BEQ] = helper_be_stq_mmu, -}; - -static tcg_insn_unit *ld_trampolines[16]; -static tcg_insn_unit *st_trampolines[16]; - -/* Perform the TLB load and compare. Branches to the slow path, placing the - address of the branch in *LABEL_PTR. Loads the addend of the TLB into R0. - Clobbers R1 and R2. */ - -static void tcg_out_tlb_check(TCGContext *s, TCGReg r0, TCGReg r1, TCGReg r2, - TCGReg addrlo, TCGReg addrhi, TCGMemOp s_bits, - int mem_index, int is_load, - tcg_insn_unit **label_ptr) -{ - int cmp_off = - (is_load - ? offsetof(CPUArchState, tlb_table[mem_index][0].addr_read) - : offsetof(CPUArchState, tlb_table[mem_index][0].addr_write)); - int add_off = offsetof(CPUArchState, tlb_table[mem_index][0].addend); - tcg_insn_unit retranst; - TCGReg base = TCG_AREG0; - - /* Extract the page index, shifted into place for tlb index. */ - tcg_out32(s, (RLWINM - | RA(r0) - | RS(addrlo) - | SH(32 - (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS)) - | MB(32 - (CPU_TLB_BITS + CPU_TLB_ENTRY_BITS)) - | ME(31 - CPU_TLB_ENTRY_BITS))); - - /* Compensate for very large offsets. */ - if (add_off >= 0x8000) { - /* Most target env are smaller than 32k; none are larger than 64k. - Simplify the logic here merely to offset by 0x7ff0, giving us a - range just shy of 64k. Check this assumption. */ - QEMU_BUILD_BUG_ON(offsetof(CPUArchState, - tlb_table[NB_MMU_MODES - 1][1]) - > 0x7ff0 + 0x7fff); - tcg_out32(s, ADDI | RT(r1) | RA(base) | 0x7ff0); - base = r1; - cmp_off -= 0x7ff0; - add_off -= 0x7ff0; - } - - /* Clear the non-page, non-alignment bits from the address. */ - tcg_out32(s, (RLWINM - | RA(r2) - | RS(addrlo) - | SH(0) - | MB((32 - s_bits) & 31) - | ME(31 - TARGET_PAGE_BITS))); - - tcg_out32(s, ADD | RT(r0) | RA(r0) | RB(base)); - base = r0; - - /* Load the tlb comparator. */ - tcg_out32(s, LWZ | RT(r1) | RA(base) | (cmp_off & 0xffff)); - - tcg_out32(s, CMP | BF(7) | RA(r2) | RB(r1)); - - if (TARGET_LONG_BITS == 64) { - tcg_out32(s, LWZ | RT(r1) | RA(base) | ((cmp_off + 4) & 0xffff)); - } - - /* Load the tlb addend for use on the fast path. - Do this asap to minimize load delay. */ - tcg_out32(s, LWZ | RT(r0) | RA(base) | (add_off & 0xffff)); - - if (TARGET_LONG_BITS == 64) { - tcg_out32(s, CMP | BF(6) | RA(addrhi) | RB(r1)); - tcg_out32(s, CRAND | BT(7, CR_EQ) | BA(6, CR_EQ) | BB(7, CR_EQ)); - } - - /* Use a conditional branch-and-link so that we load a pointer to - somewhere within the current opcode, for passing on to the helper. - This address cannot be used for a tail call, but it's shorter - than forming an address from scratch. */ - *label_ptr = s->code_ptr; - retranst = *s->code_ptr & 0xfffc; - tcg_out32(s, BC | BI(7, CR_EQ) | retranst | BO_COND_FALSE | LK); -} -#endif - -static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, bool is64) -{ - TCGReg addrlo, datalo, datahi, rbase, addrhi __attribute__((unused)); - TCGMemOp opc, bswap; -#ifdef CONFIG_SOFTMMU - int mem_index; - tcg_insn_unit *label_ptr; -#endif - - datalo = *args++; - datahi = (is64 ? *args++ : 0); - addrlo = *args++; - addrhi = (TARGET_LONG_BITS == 64 ? *args++ : 0); - opc = *args++; - bswap = opc & MO_BSWAP; - -#ifdef CONFIG_SOFTMMU - mem_index = *args; - tcg_out_tlb_check(s, TCG_REG_R3, TCG_REG_R4, TCG_REG_R0, addrlo, - addrhi, opc & MO_SIZE, mem_index, 0, &label_ptr); - rbase = TCG_REG_R3; -#else /* !CONFIG_SOFTMMU */ - rbase = GUEST_BASE ? TCG_GUEST_BASE_REG : 0; -#endif - - switch (opc & MO_SSIZE) { - default: - case MO_UB: - tcg_out32(s, LBZX | TAB(datalo, rbase, addrlo)); - break; - case MO_SB: - tcg_out32(s, LBZX | TAB(datalo, rbase, addrlo)); - tcg_out32(s, EXTSB | RA(datalo) | RS(datalo)); - break; - case MO_UW: - tcg_out32(s, (bswap ? LHBRX : LHZX) | TAB(datalo, rbase, addrlo)); - break; - case MO_SW: - if (bswap) { - tcg_out32(s, LHBRX | TAB(datalo, rbase, addrlo)); - tcg_out32(s, EXTSH | RA(datalo) | RS(datalo)); - } else { - tcg_out32(s, LHAX | TAB(datalo, rbase, addrlo)); - } - break; - case MO_UL: - tcg_out32(s, (bswap ? LWBRX : LWZX) | TAB(datalo, rbase, addrlo)); - break; - case MO_Q: - if (bswap) { - tcg_out32(s, ADDI | RT(TCG_REG_R0) | RA(addrlo) | 4); - tcg_out32(s, LWBRX | TAB(datalo, rbase, addrlo)); - tcg_out32(s, LWBRX | TAB(datahi, rbase, TCG_REG_R0)); - } else if (rbase != 0) { - tcg_out32(s, ADDI | RT(TCG_REG_R0) | RA(addrlo) | 4); - tcg_out32(s, LWZX | TAB(datahi, rbase, addrlo)); - tcg_out32(s, LWZX | TAB(datalo, rbase, TCG_REG_R0)); - } else if (addrlo == datahi) { - tcg_out32(s, LWZ | RT(datalo) | RA(addrlo) | 4); - tcg_out32(s, LWZ | RT(datahi) | RA(addrlo)); - } else { - tcg_out32(s, LWZ | RT(datahi) | RA(addrlo)); - tcg_out32(s, LWZ | RT(datalo) | RA(addrlo) | 4); - } - break; - } -#ifdef CONFIG_SOFTMMU - add_qemu_ldst_label(s, true, opc, datalo, datahi, addrlo, - addrhi, mem_index, s->code_ptr, label_ptr); -#endif -} - -static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, bool is64) -{ - TCGReg addrlo, datalo, datahi, rbase, addrhi __attribute__((unused)); - TCGMemOp opc, bswap, s_bits; -#ifdef CONFIG_SOFTMMU - int mem_index; - tcg_insn_unit *label_ptr; -#endif - - datalo = *args++; - datahi = (is64 ? *args++ : 0); - addrlo = *args++; - addrhi = (TARGET_LONG_BITS == 64 ? *args++ : 0); - opc = *args++; - bswap = opc & MO_BSWAP; - s_bits = opc & MO_SIZE; - -#ifdef CONFIG_SOFTMMU - mem_index = *args; - tcg_out_tlb_check(s, TCG_REG_R3, TCG_REG_R4, TCG_REG_R0, addrlo, - addrhi, s_bits, mem_index, 0, &label_ptr); - rbase = TCG_REG_R3; -#else /* !CONFIG_SOFTMMU */ - rbase = GUEST_BASE ? TCG_GUEST_BASE_REG : 0; -#endif - - switch (s_bits) { - case MO_8: - tcg_out32(s, STBX | SAB(datalo, rbase, addrlo)); - break; - case MO_16: - tcg_out32(s, (bswap ? STHBRX : STHX) | SAB(datalo, rbase, addrlo)); - break; - case MO_32: - default: - tcg_out32(s, (bswap ? STWBRX : STWX) | SAB(datalo, rbase, addrlo)); - break; - case MO_64: - if (bswap) { - tcg_out32(s, ADDI | RT(TCG_REG_R0) | RA(addrlo) | 4); - tcg_out32(s, STWBRX | SAB(datalo, rbase, addrlo)); - tcg_out32(s, STWBRX | SAB(datahi, rbase, TCG_REG_R0)); - } else if (rbase != 0) { - tcg_out32(s, ADDI | RT(TCG_REG_R0) | RA(addrlo) | 4); - tcg_out32(s, STWX | SAB(datahi, rbase, addrlo)); - tcg_out32(s, STWX | SAB(datalo, rbase, TCG_REG_R0)); - } else { - tcg_out32(s, STW | RS(datahi) | RA(addrlo)); - tcg_out32(s, STW | RS(datalo) | RA(addrlo) | 4); - } - break; - } - -#ifdef CONFIG_SOFTMMU - add_qemu_ldst_label(s, false, opc, datalo, datahi, addrlo, addrhi, - mem_index, s->code_ptr, label_ptr); -#endif -} - -#if defined(CONFIG_SOFTMMU) -static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l) -{ - TCGReg ir, datalo, datahi; - TCGMemOp opc = l->opc; - - reloc_pc14(l->label_ptr[0], s->code_ptr); - - ir = TCG_REG_R4; - if (TARGET_LONG_BITS == 32) { - tcg_out_mov(s, TCG_TYPE_I32, ir++, l->addrlo_reg); - } else { -#ifdef TCG_TARGET_CALL_ALIGN_ARGS - ir |= 1; -#endif - tcg_out_mov(s, TCG_TYPE_I32, ir++, l->addrhi_reg); - tcg_out_mov(s, TCG_TYPE_I32, ir++, l->addrlo_reg); - } - tcg_out_movi(s, TCG_TYPE_I32, ir++, l->mem_index); - tcg_out32(s, MFSPR | RT(ir++) | LR); - tcg_out_b(s, LK, ld_trampolines[opc & ~MO_SIGN]); - - datalo = l->datalo_reg; - switch (opc & MO_SSIZE) { - case MO_SB: - tcg_out32(s, EXTSB | RA(datalo) | RS(TCG_REG_R3)); - break; - case MO_SW: - tcg_out32(s, EXTSH | RA(datalo) | RS(TCG_REG_R3)); - break; - default: - tcg_out_mov(s, TCG_TYPE_I32, datalo, TCG_REG_R3); - break; - case MO_Q: - datahi = l->datahi_reg; - if (datalo != TCG_REG_R3) { - tcg_out_mov(s, TCG_TYPE_I32, datalo, TCG_REG_R4); - tcg_out_mov(s, TCG_TYPE_I32, datahi, TCG_REG_R3); - } else if (datahi != TCG_REG_R4) { - tcg_out_mov(s, TCG_TYPE_I32, datahi, TCG_REG_R3); - tcg_out_mov(s, TCG_TYPE_I32, datalo, TCG_REG_R4); - } else { - tcg_out_mov(s, TCG_TYPE_I32, TCG_REG_R0, TCG_REG_R4); - tcg_out_mov(s, TCG_TYPE_I32, datahi, TCG_REG_R3); - tcg_out_mov(s, TCG_TYPE_I32, datalo, TCG_REG_R0); - } - break; - } - tcg_out_b(s, 0, l->raddr); -} - -static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l) -{ - TCGReg ir, datalo; - TCGMemOp opc = l->opc; - - reloc_pc14(l->label_ptr[0], s->code_ptr); - - ir = TCG_REG_R4; - if (TARGET_LONG_BITS == 32) { - tcg_out_mov (s, TCG_TYPE_I32, ir++, l->addrlo_reg); - } else { -#ifdef TCG_TARGET_CALL_ALIGN_ARGS - ir |= 1; -#endif - tcg_out_mov (s, TCG_TYPE_I32, ir++, l->addrhi_reg); - tcg_out_mov (s, TCG_TYPE_I32, ir++, l->addrlo_reg); - } - - datalo = l->datalo_reg; - switch (opc & MO_SIZE) { - case MO_8: - tcg_out32(s, (RLWINM | RA (ir) | RS (datalo) - | SH (0) | MB (24) | ME (31))); - break; - case MO_16: - tcg_out32(s, (RLWINM | RA (ir) | RS (datalo) - | SH (0) | MB (16) | ME (31))); - break; - default: - tcg_out_mov(s, TCG_TYPE_I32, ir, datalo); - break; - case MO_64: -#ifdef TCG_TARGET_CALL_ALIGN_ARGS - ir |= 1; -#endif - tcg_out_mov(s, TCG_TYPE_I32, ir++, l->datahi_reg); - tcg_out_mov(s, TCG_TYPE_I32, ir, datalo); - break; - } - ir++; - - tcg_out_movi(s, TCG_TYPE_I32, ir++, l->mem_index); - tcg_out32(s, MFSPR | RT(ir++) | LR); - tcg_out_b(s, LK, st_trampolines[opc]); - tcg_out_b(s, 0, l->raddr); -} -#endif - -#ifdef CONFIG_SOFTMMU -static void emit_ldst_trampoline(TCGContext *s, tcg_insn_unit *ptr) -{ - tcg_out_mov(s, TCG_TYPE_PTR, TCG_REG_R3, TCG_AREG0); - tcg_out_call1(s, ptr, 0); -} -#endif - -static void tcg_target_qemu_prologue (TCGContext *s) -{ - int i, frame_size; - - frame_size = 0 - + LINKAGE_AREA_SIZE - + TCG_STATIC_CALL_ARGS_SIZE - + ARRAY_SIZE (tcg_target_callee_save_regs) * 4 - + CPU_TEMP_BUF_NLONGS * sizeof(long) - ; - frame_size = (frame_size + 15) & ~15; - - tcg_set_frame(s, TCG_REG_CALL_STACK, frame_size - - CPU_TEMP_BUF_NLONGS * sizeof(long), - CPU_TEMP_BUF_NLONGS * sizeof(long)); - -#ifdef _CALL_AIX - { - uintptr_t addr; - - /* First emit adhoc function descriptor */ - addr = (uintptr_t)s->code_ptr + 12; - tcg_out32(s, addr); /* entry point */ - tcg_out32(s, 0); /* toc */ - tcg_out32(s, 0); /* environment pointer */ - } -#endif - tcg_out32 (s, MFSPR | RT (0) | LR); - tcg_out32 (s, STWU | RS (1) | RA (1) | (-frame_size & 0xffff)); - for (i = 0; i < ARRAY_SIZE (tcg_target_callee_save_regs); ++i) - tcg_out32 (s, (STW - | RS (tcg_target_callee_save_regs[i]) - | RA (1) - | (i * 4 + LINKAGE_AREA_SIZE + TCG_STATIC_CALL_ARGS_SIZE) - ) - ); - tcg_out32 (s, STW | RS (0) | RA (1) | (frame_size + LR_OFFSET)); - -#ifdef CONFIG_USE_GUEST_BASE - if (GUEST_BASE) { - tcg_out_movi (s, TCG_TYPE_I32, TCG_GUEST_BASE_REG, GUEST_BASE); - tcg_regset_set_reg(s->reserved_regs, TCG_GUEST_BASE_REG); - } -#endif - - tcg_out_mov (s, TCG_TYPE_PTR, TCG_AREG0, tcg_target_call_iarg_regs[0]); - tcg_out32 (s, MTSPR | RS (tcg_target_call_iarg_regs[1]) | CTR); - tcg_out32 (s, BCCTR | BO_ALWAYS); - tb_ret_addr = s->code_ptr; - - for (i = 0; i < ARRAY_SIZE (tcg_target_callee_save_regs); ++i) - tcg_out32 (s, (LWZ - | RT (tcg_target_callee_save_regs[i]) - | RA (1) - | (i * 4 + LINKAGE_AREA_SIZE + TCG_STATIC_CALL_ARGS_SIZE) - ) - ); - tcg_out32 (s, LWZ | RT (0) | RA (1) | (frame_size + LR_OFFSET)); - tcg_out32 (s, MTSPR | RS (0) | LR); - tcg_out32 (s, ADDI | RT (1) | RA (1) | frame_size); - tcg_out32 (s, BCLR | BO_ALWAYS); - -#ifdef CONFIG_SOFTMMU - for (i = 0; i < 16; ++i) { - if (qemu_ld_helpers[i]) { - ld_trampolines[i] = s->code_ptr; - emit_ldst_trampoline(s, qemu_ld_helpers[i]); - } - if (qemu_st_helpers[i]) { - st_trampolines[i] = s->code_ptr; - emit_ldst_trampoline(s, qemu_st_helpers[i]); - } - } -#endif -} - -static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg1, - intptr_t arg2) -{ - tcg_out_ldst (s, ret, arg1, arg2, LWZ, LWZX); -} - -static void tcg_out_st(TCGContext *s, TCGType type, TCGReg arg, TCGReg arg1, - intptr_t arg2) -{ - tcg_out_ldst (s, arg, arg1, arg2, STW, STWX); -} - -static void ppc_addi (TCGContext *s, int rt, int ra, tcg_target_long si) -{ - if (!si && rt == ra) - return; - - if (si == (int16_t) si) - tcg_out32 (s, ADDI | RT (rt) | RA (ra) | (si & 0xffff)); - else { - uint16_t h = ((si >> 16) & 0xffff) + ((uint16_t) si >> 15); - tcg_out32 (s, ADDIS | RT (rt) | RA (ra) | h); - tcg_out32 (s, ADDI | RT (rt) | RA (rt) | (si & 0xffff)); - } -} - -static void tcg_out_cmp (TCGContext *s, int cond, TCGArg arg1, TCGArg arg2, - int const_arg2, int cr) -{ - int imm; - uint32_t op; - - switch (cond) { - case TCG_COND_EQ: - case TCG_COND_NE: - if (const_arg2) { - if ((int16_t) arg2 == arg2) { - op = CMPI; - imm = 1; - break; - } - else if ((uint16_t) arg2 == arg2) { - op = CMPLI; - imm = 1; - break; - } - } - op = CMPL; - imm = 0; - break; - - case TCG_COND_LT: - case TCG_COND_GE: - case TCG_COND_LE: - case TCG_COND_GT: - if (const_arg2) { - if ((int16_t) arg2 == arg2) { - op = CMPI; - imm = 1; - break; - } - } - op = CMP; - imm = 0; - break; - - case TCG_COND_LTU: - case TCG_COND_GEU: - case TCG_COND_LEU: - case TCG_COND_GTU: - if (const_arg2) { - if ((uint16_t) arg2 == arg2) { - op = CMPLI; - imm = 1; - break; - } - } - op = CMPL; - imm = 0; - break; - - default: - tcg_abort (); - } - op |= BF (cr); - - if (imm) - tcg_out32 (s, op | RA (arg1) | (arg2 & 0xffff)); - else { - if (const_arg2) { - tcg_out_movi (s, TCG_TYPE_I32, 0, arg2); - tcg_out32 (s, op | RA (arg1) | RB (0)); - } - else - tcg_out32 (s, op | RA (arg1) | RB (arg2)); - } - -} - -static void tcg_out_bc(TCGContext *s, int bc, int label_index) -{ - TCGLabel *l = &s->labels[label_index]; - - if (l->has_value) { - tcg_out32(s, bc | reloc_pc14_val(s->code_ptr, l->u.value_ptr)); - } else { - /* Thanks to Andrzej Zaborowski */ - tcg_insn_unit retrans = *s->code_ptr & 0xfffc; - tcg_out_reloc(s, s->code_ptr, R_PPC_REL14, label_index, 0); - tcg_out32(s, bc | retrans); - } -} - -static void tcg_out_cr7eq_from_cond (TCGContext *s, const TCGArg *args, - const int *const_args) -{ - TCGCond cond = args[4]; - int op; - struct { int bit1; int bit2; int cond2; } bits[] = { - [TCG_COND_LT ] = { CR_LT, CR_LT, TCG_COND_LT }, - [TCG_COND_LE ] = { CR_LT, CR_GT, TCG_COND_LT }, - [TCG_COND_GT ] = { CR_GT, CR_GT, TCG_COND_GT }, - [TCG_COND_GE ] = { CR_GT, CR_LT, TCG_COND_GT }, - [TCG_COND_LTU] = { CR_LT, CR_LT, TCG_COND_LTU }, - [TCG_COND_LEU] = { CR_LT, CR_GT, TCG_COND_LTU }, - [TCG_COND_GTU] = { CR_GT, CR_GT, TCG_COND_GTU }, - [TCG_COND_GEU] = { CR_GT, CR_LT, TCG_COND_GTU }, - }, *b = &bits[cond]; - - switch (cond) { - case TCG_COND_EQ: - case TCG_COND_NE: - op = (cond == TCG_COND_EQ) ? CRAND : CRNAND; - tcg_out_cmp (s, cond, args[0], args[2], const_args[2], 6); - tcg_out_cmp (s, cond, args[1], args[3], const_args[3], 7); - tcg_out32 (s, op | BT (7, CR_EQ) | BA (6, CR_EQ) | BB (7, CR_EQ)); - break; - case TCG_COND_LT: - case TCG_COND_LE: - case TCG_COND_GT: - case TCG_COND_GE: - case TCG_COND_LTU: - case TCG_COND_LEU: - case TCG_COND_GTU: - case TCG_COND_GEU: - op = (b->bit1 != b->bit2) ? CRANDC : CRAND; - tcg_out_cmp (s, b->cond2, args[1], args[3], const_args[3], 5); - tcg_out_cmp (s, tcg_unsigned_cond (cond), args[0], args[2], - const_args[2], 7); - tcg_out32 (s, op | BT (7, CR_EQ) | BA (5, CR_EQ) | BB (7, b->bit2)); - tcg_out32 (s, CROR | BT (7, CR_EQ) | BA (5, b->bit1) | BB (7, CR_EQ)); - break; - default: - tcg_abort(); - } -} - -static void tcg_out_setcond (TCGContext *s, TCGCond cond, TCGArg arg0, - TCGArg arg1, TCGArg arg2, int const_arg2) -{ - int crop, sh, arg; - - switch (cond) { - case TCG_COND_EQ: - if (const_arg2) { - if (!arg2) { - arg = arg1; - } - else { - arg = 0; - if ((uint16_t) arg2 == arg2) { - tcg_out32 (s, XORI | RS (arg1) | RA (0) | arg2); - } - else { - tcg_out_movi (s, TCG_TYPE_I32, 0, arg2); - tcg_out32 (s, XOR | SAB (arg1, 0, 0)); - } - } - } - else { - arg = 0; - tcg_out32 (s, XOR | SAB (arg1, 0, arg2)); - } - tcg_out32 (s, CNTLZW | RS (arg) | RA (0)); - tcg_out32 (s, (RLWINM - | RA (arg0) - | RS (0) - | SH (27) - | MB (5) - | ME (31) - ) - ); - break; - - case TCG_COND_NE: - if (const_arg2) { - if (!arg2) { - arg = arg1; - } - else { - arg = 0; - if ((uint16_t) arg2 == arg2) { - tcg_out32 (s, XORI | RS (arg1) | RA (0) | arg2); - } - else { - tcg_out_movi (s, TCG_TYPE_I32, 0, arg2); - tcg_out32 (s, XOR | SAB (arg1, 0, 0)); - } - } - } - else { - arg = 0; - tcg_out32 (s, XOR | SAB (arg1, 0, arg2)); - } - - if (arg == arg1 && arg1 == arg0) { - tcg_out32 (s, ADDIC | RT (0) | RA (arg) | 0xffff); - tcg_out32 (s, SUBFE | TAB (arg0, 0, arg)); - } - else { - tcg_out32 (s, ADDIC | RT (arg0) | RA (arg) | 0xffff); - tcg_out32 (s, SUBFE | TAB (arg0, arg0, arg)); - } - break; - - case TCG_COND_GT: - case TCG_COND_GTU: - sh = 30; - crop = 0; - goto crtest; - - case TCG_COND_LT: - case TCG_COND_LTU: - sh = 29; - crop = 0; - goto crtest; - - case TCG_COND_GE: - case TCG_COND_GEU: - sh = 31; - crop = CRNOR | BT (7, CR_EQ) | BA (7, CR_LT) | BB (7, CR_LT); - goto crtest; - - case TCG_COND_LE: - case TCG_COND_LEU: - sh = 31; - crop = CRNOR | BT (7, CR_EQ) | BA (7, CR_GT) | BB (7, CR_GT); - crtest: - tcg_out_cmp (s, cond, arg1, arg2, const_arg2, 7); - if (crop) tcg_out32 (s, crop); - tcg_out32 (s, MFCR | RT (0)); - tcg_out32 (s, (RLWINM - | RA (arg0) - | RS (0) - | SH (sh) - | MB (31) - | ME (31) - ) - ); - break; - - default: - tcg_abort (); - } -} - -static void tcg_out_setcond2 (TCGContext *s, const TCGArg *args, - const int *const_args) -{ - tcg_out_cr7eq_from_cond (s, args + 1, const_args + 1); - tcg_out32 (s, MFCR | RT (0)); - tcg_out32 (s, (RLWINM - | RA (args[0]) - | RS (0) - | SH (31) - | MB (31) - | ME (31) - ) - ); -} - -static void tcg_out_movcond (TCGContext *s, TCGCond cond, - TCGArg dest, - TCGArg c1, TCGArg c2, - TCGArg v1, TCGArg v2, - int const_c2) -{ - tcg_out_cmp (s, cond, c1, c2, const_c2, 7); - - if (1) { - /* At least here on 7747A bit twiddling hacks are outperformed - by jumpy code (the testing was not scientific) */ - if (dest == v2) { - cond = tcg_invert_cond (cond); - v2 = v1; - } - else { - if (dest != v1) { - tcg_out_mov (s, TCG_TYPE_I32, dest, v1); - } - } - /* Branch forward over one insn */ - tcg_out32 (s, tcg_to_bc[cond] | 8); - tcg_out_mov (s, TCG_TYPE_I32, dest, v2); - } - else { - /* isel version, "if (1)" above should be replaced once a way - to figure out availability of isel on the underlying - hardware is found */ - int tab, bc; - - switch (cond) { - case TCG_COND_EQ: - tab = TAB (dest, v1, v2); - bc = CR_EQ; - break; - case TCG_COND_NE: - tab = TAB (dest, v2, v1); - bc = CR_EQ; - break; - case TCG_COND_LTU: - case TCG_COND_LT: - tab = TAB (dest, v1, v2); - bc = CR_LT; - break; - case TCG_COND_GEU: - case TCG_COND_GE: - tab = TAB (dest, v2, v1); - bc = CR_LT; - break; - case TCG_COND_LEU: - case TCG_COND_LE: - tab = TAB (dest, v2, v1); - bc = CR_GT; - break; - case TCG_COND_GTU: - case TCG_COND_GT: - tab = TAB (dest, v1, v2); - bc = CR_GT; - break; - default: - tcg_abort (); - } - tcg_out32 (s, ISEL | tab | ((bc + 28) << 6)); - } -} - -static void tcg_out_brcond (TCGContext *s, TCGCond cond, - TCGArg arg1, TCGArg arg2, int const_arg2, - int label_index) -{ - tcg_out_cmp (s, cond, arg1, arg2, const_arg2, 7); - tcg_out_bc (s, tcg_to_bc[cond], label_index); -} - -/* XXX: we implement it at the target level to avoid having to - handle cross basic blocks temporaries */ -static void tcg_out_brcond2 (TCGContext *s, const TCGArg *args, - const int *const_args) -{ - tcg_out_cr7eq_from_cond (s, args, const_args); - tcg_out_bc (s, (BC | BI (7, CR_EQ) | BO_COND_TRUE), args[5]); -} - -void ppc_tb_set_jmp_target (uintptr_t jmp_addr, uintptr_t addr) -{ - uint32_t *ptr; - long disp = addr - jmp_addr; - unsigned long patch_size; - - ptr = (uint32_t *)jmp_addr; - - if ((disp << 6) >> 6 != disp) { - ptr[0] = 0x3c000000 | (addr >> 16); /* lis 0,addr@ha */ - ptr[1] = 0x60000000 | (addr & 0xffff); /* la 0,addr@l(0) */ - ptr[2] = 0x7c0903a6; /* mtctr 0 */ - ptr[3] = 0x4e800420; /* brctr */ - patch_size = 16; - } else { - /* patch the branch destination */ - if (disp != 16) { - *ptr = 0x48000000 | (disp & 0x03fffffc); /* b disp */ - patch_size = 4; - } else { - ptr[0] = 0x60000000; /* nop */ - ptr[1] = 0x60000000; - ptr[2] = 0x60000000; - ptr[3] = 0x60000000; - patch_size = 16; - } - } - /* flush icache */ - flush_icache_range(jmp_addr, jmp_addr + patch_size); -} - -static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args, - const int *const_args) -{ - switch (opc) { - case INDEX_op_exit_tb: - tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_R3, args[0]); - tcg_out_b(s, 0, tb_ret_addr); - break; - case INDEX_op_goto_tb: - if (s->tb_jmp_offset) { - /* direct jump method */ - s->tb_jmp_offset[args[0]] = tcg_current_code_size(s); - s->code_ptr += 4; - } else { - tcg_abort (); - } - s->tb_next_offset[args[0]] = tcg_current_code_size(s); - break; - case INDEX_op_br: - { - TCGLabel *l = &s->labels[args[0]]; - - if (l->has_value) { - tcg_out_b(s, 0, l->u.value_ptr); - } else { - /* Thanks to Andrzej Zaborowski */ - tcg_insn_unit retrans = *s->code_ptr & 0x3fffffc; - tcg_out_reloc(s, s->code_ptr, R_PPC_REL24, args[0], 0); - tcg_out32(s, B | retrans); - } - } - break; - case INDEX_op_ld8u_i32: - tcg_out_ldst (s, args[0], args[1], args[2], LBZ, LBZX); - break; - case INDEX_op_ld8s_i32: - tcg_out_ldst (s, args[0], args[1], args[2], LBZ, LBZX); - tcg_out32 (s, EXTSB | RS (args[0]) | RA (args[0])); - break; - case INDEX_op_ld16u_i32: - tcg_out_ldst (s, args[0], args[1], args[2], LHZ, LHZX); - break; - case INDEX_op_ld16s_i32: - tcg_out_ldst (s, args[0], args[1], args[2], LHA, LHAX); - break; - case INDEX_op_ld_i32: - tcg_out_ldst (s, args[0], args[1], args[2], LWZ, LWZX); - break; - case INDEX_op_st8_i32: - tcg_out_ldst (s, args[0], args[1], args[2], STB, STBX); - break; - case INDEX_op_st16_i32: - tcg_out_ldst (s, args[0], args[1], args[2], STH, STHX); - break; - case INDEX_op_st_i32: - tcg_out_ldst (s, args[0], args[1], args[2], STW, STWX); - break; - - case INDEX_op_add_i32: - if (const_args[2]) - ppc_addi (s, args[0], args[1], args[2]); - else - tcg_out32 (s, ADD | TAB (args[0], args[1], args[2])); - break; - case INDEX_op_sub_i32: - if (const_args[2]) - ppc_addi (s, args[0], args[1], -args[2]); - else - tcg_out32 (s, SUBF | TAB (args[0], args[2], args[1])); - break; - - case INDEX_op_and_i32: - if (const_args[2]) { - uint32_t c; - - c = args[2]; - - if (!c) { - tcg_out_movi (s, TCG_TYPE_I32, args[0], 0); - break; - } -#ifdef __PPU__ - uint32_t t, n; - int mb, me; - - n = c ^ -(c & 1); - t = n + (n & -n); - - if ((t & (t - 1)) == 0) { - int lzc, tzc; - - if ((c & 0x80000001) == 0x80000001) { - lzc = clz32 (n); - tzc = ctz32 (n); - - mb = 32 - tzc; - me = lzc - 1; - } - else { - lzc = clz32 (c); - tzc = ctz32 (c); - - mb = lzc; - me = 31 - tzc; - } - - tcg_out32 (s, (RLWINM - | RA (args[0]) - | RS (args[1]) - | SH (0) - | MB (mb) - | ME (me) - ) - ); - } - else -#endif /* !__PPU__ */ - { - if ((c & 0xffff) == c) - tcg_out32 (s, ANDI | RS (args[1]) | RA (args[0]) | c); - else if ((c & 0xffff0000) == c) - tcg_out32 (s, ANDIS | RS (args[1]) | RA (args[0]) - | ((c >> 16) & 0xffff)); - else { - tcg_out_movi (s, TCG_TYPE_I32, 0, c); - tcg_out32 (s, AND | SAB (args[1], args[0], 0)); - } - } - } - else - tcg_out32 (s, AND | SAB (args[1], args[0], args[2])); - break; - case INDEX_op_or_i32: - if (const_args[2]) { - if (args[2] & 0xffff) { - tcg_out32 (s, ORI | RS (args[1]) | RA (args[0]) - | (args[2] & 0xffff)); - if (args[2] >> 16) - tcg_out32 (s, ORIS | RS (args[0]) | RA (args[0]) - | ((args[2] >> 16) & 0xffff)); - } - else { - tcg_out32 (s, ORIS | RS (args[1]) | RA (args[0]) - | ((args[2] >> 16) & 0xffff)); - } - } - else - tcg_out32 (s, OR | SAB (args[1], args[0], args[2])); - break; - case INDEX_op_xor_i32: - if (const_args[2]) { - if ((args[2] & 0xffff) == args[2]) - tcg_out32 (s, XORI | RS (args[1]) | RA (args[0]) - | (args[2] & 0xffff)); - else if ((args[2] & 0xffff0000) == args[2]) - tcg_out32 (s, XORIS | RS (args[1]) | RA (args[0]) - | ((args[2] >> 16) & 0xffff)); - else { - tcg_out_movi (s, TCG_TYPE_I32, 0, args[2]); - tcg_out32 (s, XOR | SAB (args[1], args[0], 0)); - } - } - else - tcg_out32 (s, XOR | SAB (args[1], args[0], args[2])); - break; - case INDEX_op_andc_i32: - tcg_out32 (s, ANDC | SAB (args[1], args[0], args[2])); - break; - case INDEX_op_orc_i32: - tcg_out32 (s, ORC | SAB (args[1], args[0], args[2])); - break; - case INDEX_op_eqv_i32: - tcg_out32 (s, EQV | SAB (args[1], args[0], args[2])); - break; - case INDEX_op_nand_i32: - tcg_out32 (s, NAND | SAB (args[1], args[0], args[2])); - break; - case INDEX_op_nor_i32: - tcg_out32 (s, NOR | SAB (args[1], args[0], args[2])); - break; - - case INDEX_op_mul_i32: - if (const_args[2]) { - if (args[2] == (int16_t) args[2]) - tcg_out32 (s, MULLI | RT (args[0]) | RA (args[1]) - | (args[2] & 0xffff)); - else { - tcg_out_movi (s, TCG_TYPE_I32, 0, args[2]); - tcg_out32 (s, MULLW | TAB (args[0], args[1], 0)); - } - } - else - tcg_out32 (s, MULLW | TAB (args[0], args[1], args[2])); - break; - - case INDEX_op_div_i32: - tcg_out32 (s, DIVW | TAB (args[0], args[1], args[2])); - break; - - case INDEX_op_divu_i32: - tcg_out32 (s, DIVWU | TAB (args[0], args[1], args[2])); - break; - - case INDEX_op_mulu2_i32: - if (args[0] == args[2] || args[0] == args[3]) { - tcg_out32 (s, MULLW | TAB (0, args[2], args[3])); - tcg_out32 (s, MULHWU | TAB (args[1], args[2], args[3])); - tcg_out_mov (s, TCG_TYPE_I32, args[0], 0); - } - else { - tcg_out32 (s, MULLW | TAB (args[0], args[2], args[3])); - tcg_out32 (s, MULHWU | TAB (args[1], args[2], args[3])); - } - break; - - case INDEX_op_shl_i32: - if (const_args[2]) { - tcg_out32 (s, (RLWINM - | RA (args[0]) - | RS (args[1]) - | SH (args[2]) - | MB (0) - | ME (31 - args[2]) - ) - ); - } - else - tcg_out32 (s, SLW | SAB (args[1], args[0], args[2])); - break; - case INDEX_op_shr_i32: - if (const_args[2]) { - tcg_out32 (s, (RLWINM - | RA (args[0]) - | RS (args[1]) - | SH (32 - args[2]) - | MB (args[2]) - | ME (31) - ) - ); - } - else - tcg_out32 (s, SRW | SAB (args[1], args[0], args[2])); - break; - case INDEX_op_sar_i32: - if (const_args[2]) - tcg_out32 (s, SRAWI | RS (args[1]) | RA (args[0]) | SH (args[2])); - else - tcg_out32 (s, SRAW | SAB (args[1], args[0], args[2])); - break; - case INDEX_op_rotl_i32: - { - int op = 0 - | RA (args[0]) - | RS (args[1]) - | MB (0) - | ME (31) - | (const_args[2] ? RLWINM | SH (args[2]) - : RLWNM | RB (args[2])) - ; - tcg_out32 (s, op); - } - break; - case INDEX_op_rotr_i32: - if (const_args[2]) { - if (!args[2]) { - tcg_out_mov (s, TCG_TYPE_I32, args[0], args[1]); - } - else { - tcg_out32 (s, RLWINM - | RA (args[0]) - | RS (args[1]) - | SH (32 - args[2]) - | MB (0) - | ME (31) - ); - } - } - else { - tcg_out32 (s, SUBFIC | RT (0) | RA (args[2]) | 32); - tcg_out32 (s, RLWNM - | RA (args[0]) - | RS (args[1]) - | RB (0) - | MB (0) - | ME (31) - ); - } - break; - - case INDEX_op_add2_i32: - if (args[0] == args[3] || args[0] == args[5]) { - tcg_out32 (s, ADDC | TAB (0, args[2], args[4])); - tcg_out32 (s, ADDE | TAB (args[1], args[3], args[5])); - tcg_out_mov (s, TCG_TYPE_I32, args[0], 0); - } - else { - tcg_out32 (s, ADDC | TAB (args[0], args[2], args[4])); - tcg_out32 (s, ADDE | TAB (args[1], args[3], args[5])); - } - break; - case INDEX_op_sub2_i32: - if (args[0] == args[3] || args[0] == args[5]) { - tcg_out32 (s, SUBFC | TAB (0, args[4], args[2])); - tcg_out32 (s, SUBFE | TAB (args[1], args[5], args[3])); - tcg_out_mov (s, TCG_TYPE_I32, args[0], 0); - } - else { - tcg_out32 (s, SUBFC | TAB (args[0], args[4], args[2])); - tcg_out32 (s, SUBFE | TAB (args[1], args[5], args[3])); - } - break; - - case INDEX_op_brcond_i32: - /* - args[0] = r0 - args[1] = r1 - args[2] = cond - args[3] = r1 is const - args[4] = label_index - */ - tcg_out_brcond (s, args[2], args[0], args[1], const_args[1], args[3]); - break; - case INDEX_op_brcond2_i32: - tcg_out_brcond2(s, args, const_args); - break; - - case INDEX_op_neg_i32: - tcg_out32 (s, NEG | RT (args[0]) | RA (args[1])); - break; - - case INDEX_op_not_i32: - tcg_out32 (s, NOR | SAB (args[1], args[0], args[1])); - break; - - case INDEX_op_qemu_ld_i32: - tcg_out_qemu_ld(s, args, 0); - break; - case INDEX_op_qemu_ld_i64: - tcg_out_qemu_ld(s, args, 1); - break; - case INDEX_op_qemu_st_i32: - tcg_out_qemu_st(s, args, 0); - break; - case INDEX_op_qemu_st_i64: - tcg_out_qemu_st(s, args, 1); - break; - - case INDEX_op_ext8s_i32: - tcg_out32 (s, EXTSB | RS (args[1]) | RA (args[0])); - break; - case INDEX_op_ext8u_i32: - tcg_out32 (s, RLWINM - | RA (args[0]) - | RS (args[1]) - | SH (0) - | MB (24) - | ME (31) - ); - break; - case INDEX_op_ext16s_i32: - tcg_out32 (s, EXTSH | RS (args[1]) | RA (args[0])); - break; - case INDEX_op_ext16u_i32: - tcg_out32 (s, RLWINM - | RA (args[0]) - | RS (args[1]) - | SH (0) - | MB (16) - | ME (31) - ); - break; - - case INDEX_op_setcond_i32: - tcg_out_setcond (s, args[3], args[0], args[1], args[2], const_args[2]); - break; - case INDEX_op_setcond2_i32: - tcg_out_setcond2 (s, args, const_args); - break; - - case INDEX_op_bswap16_i32: - /* Stolen from gcc's builtin_bswap16 */ - - /* a1 = abcd */ - - /* r0 = (a1 << 8) & 0xff00 # 00d0 */ - tcg_out32 (s, RLWINM - | RA (0) - | RS (args[1]) - | SH (8) - | MB (16) - | ME (23) - ); - - /* a0 = rotate_left (a1, 24) & 0xff # 000c */ - tcg_out32 (s, RLWINM - | RA (args[0]) - | RS (args[1]) - | SH (24) - | MB (24) - | ME (31) - ); - - /* a0 = a0 | r0 # 00dc */ - tcg_out32 (s, OR | SAB (0, args[0], args[0])); - break; - - case INDEX_op_bswap32_i32: - /* Stolen from gcc's builtin_bswap32 */ - { - int a0 = args[0]; - - /* a1 = args[1] # abcd */ - - if (a0 == args[1]) { - a0 = 0; - } - - /* a0 = rotate_left (a1, 8) # bcda */ - tcg_out32 (s, RLWINM - | RA (a0) - | RS (args[1]) - | SH (8) - | MB (0) - | ME (31) - ); - - /* a0 = (a0 & ~0xff000000) | ((a1 << 24) & 0xff000000) # dcda */ - tcg_out32 (s, RLWIMI - | RA (a0) - | RS (args[1]) - | SH (24) - | MB (0) - | ME (7) - ); - - /* a0 = (a0 & ~0x0000ff00) | ((a1 << 24) & 0x0000ff00) # dcba */ - tcg_out32 (s, RLWIMI - | RA (a0) - | RS (args[1]) - | SH (24) - | MB (16) - | ME (23) - ); - - if (!a0) { - tcg_out_mov (s, TCG_TYPE_I32, args[0], a0); - } - } - break; - - case INDEX_op_deposit_i32: - tcg_out32 (s, RLWIMI - | RA (args[0]) - | RS (args[2]) - | SH (args[3]) - | MB (32 - args[3] - args[4]) - | ME (31 - args[3]) - ); - break; - - case INDEX_op_movcond_i32: - tcg_out_movcond (s, args[5], args[0], - args[1], args[2], - args[3], args[4], - const_args[2]); - break; - - case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */ - case INDEX_op_movi_i32: /* Always emitted via tcg_out_movi. */ - case INDEX_op_call: /* Always emitted via tcg_out_call. */ - default: - tcg_abort(); - } -} - -static const TCGTargetOpDef ppc_op_defs[] = { - { INDEX_op_exit_tb, { } }, - { INDEX_op_goto_tb, { } }, - { INDEX_op_br, { } }, - - { INDEX_op_ld8u_i32, { "r", "r" } }, - { INDEX_op_ld8s_i32, { "r", "r" } }, - { INDEX_op_ld16u_i32, { "r", "r" } }, - { INDEX_op_ld16s_i32, { "r", "r" } }, - { INDEX_op_ld_i32, { "r", "r" } }, - { INDEX_op_st8_i32, { "r", "r" } }, - { INDEX_op_st16_i32, { "r", "r" } }, - { INDEX_op_st_i32, { "r", "r" } }, - - { INDEX_op_add_i32, { "r", "r", "ri" } }, - { INDEX_op_mul_i32, { "r", "r", "ri" } }, - { INDEX_op_div_i32, { "r", "r", "r" } }, - { INDEX_op_divu_i32, { "r", "r", "r" } }, - { INDEX_op_mulu2_i32, { "r", "r", "r", "r" } }, - { INDEX_op_sub_i32, { "r", "r", "ri" } }, - { INDEX_op_and_i32, { "r", "r", "ri" } }, - { INDEX_op_or_i32, { "r", "r", "ri" } }, - { INDEX_op_xor_i32, { "r", "r", "ri" } }, - - { INDEX_op_shl_i32, { "r", "r", "ri" } }, - { INDEX_op_shr_i32, { "r", "r", "ri" } }, - { INDEX_op_sar_i32, { "r", "r", "ri" } }, - - { INDEX_op_rotl_i32, { "r", "r", "ri" } }, - { INDEX_op_rotr_i32, { "r", "r", "ri" } }, - - { INDEX_op_brcond_i32, { "r", "ri" } }, - - { INDEX_op_add2_i32, { "r", "r", "r", "r", "r", "r" } }, - { INDEX_op_sub2_i32, { "r", "r", "r", "r", "r", "r" } }, - { INDEX_op_brcond2_i32, { "r", "r", "r", "r" } }, - - { INDEX_op_neg_i32, { "r", "r" } }, - { INDEX_op_not_i32, { "r", "r" } }, - - { INDEX_op_andc_i32, { "r", "r", "r" } }, - { INDEX_op_orc_i32, { "r", "r", "r" } }, - { INDEX_op_eqv_i32, { "r", "r", "r" } }, - { INDEX_op_nand_i32, { "r", "r", "r" } }, - { INDEX_op_nor_i32, { "r", "r", "r" } }, - - { INDEX_op_setcond_i32, { "r", "r", "ri" } }, - { INDEX_op_setcond2_i32, { "r", "r", "r", "ri", "ri" } }, - - { INDEX_op_bswap16_i32, { "r", "r" } }, - { INDEX_op_bswap32_i32, { "r", "r" } }, - -#if TARGET_LONG_BITS == 32 - { INDEX_op_qemu_ld_i32, { "r", "L" } }, - { INDEX_op_qemu_ld_i64, { "L", "L", "L" } }, - { INDEX_op_qemu_st_i32, { "K", "K" } }, - { INDEX_op_qemu_st_i64, { "M", "M", "M" } }, -#else - { INDEX_op_qemu_ld_i32, { "r", "L", "L" } }, - { INDEX_op_qemu_ld_i64, { "L", "L", "L", "L" } }, - { INDEX_op_qemu_st_i32, { "K", "K", "K" } }, - { INDEX_op_qemu_st_i64, { "M", "M", "M", "M" } }, -#endif - - { INDEX_op_ext8s_i32, { "r", "r" } }, - { INDEX_op_ext8u_i32, { "r", "r" } }, - { INDEX_op_ext16s_i32, { "r", "r" } }, - { INDEX_op_ext16u_i32, { "r", "r" } }, - - { INDEX_op_deposit_i32, { "r", "0", "r" } }, - { INDEX_op_movcond_i32, { "r", "r", "ri", "r", "r" } }, - - { -1 }, -}; - -static void tcg_target_init(TCGContext *s) -{ - tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffffffff); - tcg_regset_set32(tcg_target_call_clobber_regs, 0, - (1 << TCG_REG_R0) | -#ifdef TCG_TARGET_CALL_DARWIN - (1 << TCG_REG_R2) | -#endif - (1 << TCG_REG_R3) | - (1 << TCG_REG_R4) | - (1 << TCG_REG_R5) | - (1 << TCG_REG_R6) | - (1 << TCG_REG_R7) | - (1 << TCG_REG_R8) | - (1 << TCG_REG_R9) | - (1 << TCG_REG_R10) | - (1 << TCG_REG_R11) | - (1 << TCG_REG_R12) - ); - - tcg_regset_clear(s->reserved_regs); - tcg_regset_set_reg(s->reserved_regs, TCG_REG_R0); - tcg_regset_set_reg(s->reserved_regs, TCG_REG_R1); -#ifndef TCG_TARGET_CALL_DARWIN - tcg_regset_set_reg(s->reserved_regs, TCG_REG_R2); -#endif -#ifdef _CALL_SYSV - tcg_regset_set_reg(s->reserved_regs, TCG_REG_R13); -#endif - - tcg_add_target_add_op_defs(ppc_op_defs); -} diff --git a/tcg/ppc/tcg-target.h b/tcg/ppc/tcg-target.h deleted file mode 100644 index 05069ae2d8..0000000000 --- a/tcg/ppc/tcg-target.h +++ /dev/null @@ -1,109 +0,0 @@ -/* - * Tiny Code Generator for QEMU - * - * Copyright (c) 2008 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#ifndef TCG_TARGET_PPC -#define TCG_TARGET_PPC 1 - -#define TCG_TARGET_NB_REGS 32 -#define TCG_TARGET_INSN_UNIT_SIZE 4 - -typedef enum { - TCG_REG_R0 = 0, - TCG_REG_R1, - TCG_REG_R2, - TCG_REG_R3, - TCG_REG_R4, - TCG_REG_R5, - TCG_REG_R6, - TCG_REG_R7, - TCG_REG_R8, - TCG_REG_R9, - TCG_REG_R10, - TCG_REG_R11, - TCG_REG_R12, - TCG_REG_R13, - TCG_REG_R14, - TCG_REG_R15, - TCG_REG_R16, - TCG_REG_R17, - TCG_REG_R18, - TCG_REG_R19, - TCG_REG_R20, - TCG_REG_R21, - TCG_REG_R22, - TCG_REG_R23, - TCG_REG_R24, - TCG_REG_R25, - TCG_REG_R26, - TCG_REG_R27, - TCG_REG_R28, - TCG_REG_R29, - TCG_REG_R30, - TCG_REG_R31 -} TCGReg; - -/* used for function call generation */ -#define TCG_REG_CALL_STACK TCG_REG_R1 -#define TCG_TARGET_STACK_ALIGN 16 -#if defined _CALL_DARWIN || defined __APPLE__ -#define TCG_TARGET_CALL_STACK_OFFSET 24 -#elif defined _CALL_AIX -#define TCG_TARGET_CALL_STACK_OFFSET 52 -#elif defined _CALL_SYSV -#define TCG_TARGET_CALL_ALIGN_ARGS 1 -#define TCG_TARGET_CALL_STACK_OFFSET 8 -#else -#error Unsupported system -#endif - -/* optional instructions */ -#define TCG_TARGET_HAS_div_i32 1 -#define TCG_TARGET_HAS_rem_i32 0 -#define TCG_TARGET_HAS_rot_i32 1 -#define TCG_TARGET_HAS_ext8s_i32 1 -#define TCG_TARGET_HAS_ext16s_i32 1 -#define TCG_TARGET_HAS_ext8u_i32 1 -#define TCG_TARGET_HAS_ext16u_i32 1 -#define TCG_TARGET_HAS_bswap16_i32 1 -#define TCG_TARGET_HAS_bswap32_i32 1 -#define TCG_TARGET_HAS_not_i32 1 -#define TCG_TARGET_HAS_neg_i32 1 -#define TCG_TARGET_HAS_andc_i32 1 -#define TCG_TARGET_HAS_orc_i32 1 -#define TCG_TARGET_HAS_eqv_i32 1 -#define TCG_TARGET_HAS_nand_i32 1 -#define TCG_TARGET_HAS_nor_i32 1 -#define TCG_TARGET_HAS_deposit_i32 1 -#define TCG_TARGET_HAS_movcond_i32 1 -#define TCG_TARGET_HAS_mulu2_i32 1 -#define TCG_TARGET_HAS_muls2_i32 0 -#define TCG_TARGET_HAS_muluh_i32 0 -#define TCG_TARGET_HAS_mulsh_i32 0 - -#define TCG_AREG0 TCG_REG_R27 - -#define tcg_qemu_tb_exec(env, tb_ptr) \ - ((uintptr_t __attribute__ ((longcall)) \ - (*)(void *, void *))tcg_ctx.code_gen_prologue)(env, tb_ptr) - -#endif -- cgit v1.2.3