aboutsummaryrefslogtreecommitdiffstats
path: root/tcg/ppc/tcg-target.c
diff options
context:
space:
mode:
Diffstat (limited to 'tcg/ppc/tcg-target.c')
-rw-r--r--tcg/ppc/tcg-target.c1537
1 files changed, 0 insertions, 1537 deletions
diff --git a/tcg/ppc/tcg-target.c b/tcg/ppc/tcg-target.c
deleted file mode 100644
index e3f4b59..0000000
--- a/tcg/ppc/tcg-target.c
+++ /dev/null
@@ -1,1537 +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.
- */
-
-static uint8_t *tb_ret_addr;
-
-#ifdef __APPLE__
-#define LINKAGE_AREA_SIZE 24
-#define LR_OFFSET 8
-#elif defined _AIX
-#define LINKAGE_AREA_SIZE 52
-#define LR_OFFSET 8
-#else
-#define LINKAGE_AREA_SIZE 8
-#define LR_OFFSET 4
-#endif
-
-#define FAST_PATH
-#if TARGET_PHYS_ADDR_BITS <= 32
-#define ADDEND_OFFSET 0
-#else
-#define ADDEND_OFFSET 4
-#endif
-
-#ifndef NDEBUG
-static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = {
- "r0",
- "r1",
- "rp",
- "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 __APPLE__
- 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 __APPLE__
- TCG_REG_R11,
-#endif
- TCG_REG_R12,
-#ifndef __linux__
- 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 __APPLE__
- TCG_REG_R11,
- TCG_REG_R13,
-#endif
-#ifdef _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, so no
- need to save */
- TCG_REG_R28,
- TCG_REG_R29,
- TCG_REG_R30,
- TCG_REG_R31
-};
-
-static uint32_t reloc_pc24_val (void *pc, tcg_target_long target)
-{
- tcg_target_long disp;
-
- disp = target - (tcg_target_long) pc;
- if ((disp << 6) >> 6 != disp)
- tcg_abort ();
-
- return disp & 0x3fffffc;
-}
-
-static void reloc_pc24 (void *pc, tcg_target_long target)
-{
- *(uint32_t *) pc = (*(uint32_t *) pc & ~0x3fffffc)
- | reloc_pc24_val (pc, target);
-}
-
-static uint16_t reloc_pc14_val (void *pc, tcg_target_long target)
-{
- tcg_target_long disp;
-
- disp = target - (tcg_target_long) pc;
- if (disp != (int16_t) disp)
- tcg_abort ();
-
- return disp & 0xfffc;
-}
-
-static void reloc_pc14 (void *pc, tcg_target_long target)
-{
- *(uint32_t *) pc = (*(uint32_t *) pc & ~0xfffc)
- | reloc_pc14_val (pc, target);
-}
-
-static void patch_reloc(uint8_t *code_ptr, int type,
- tcg_target_long value, tcg_target_long addend)
-{
- value += addend;
- switch (type) {
- case R_PPC_REL14:
- reloc_pc14 (code_ptr, value);
- break;
- case R_PPC_REL24:
- reloc_pc24 (code_ptr, value);
- break;
- default:
- tcg_abort();
- }
-}
-
-/* maximum number of register used for input function arguments */
-static int tcg_target_get_call_iarg_regs_count(int flags)
-{
- return ARRAY_SIZE (tcg_target_call_iarg_regs);
-}
-
-/* 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);
- 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);
-#if TARGET_LONG_BITS == 64
- tcg_regset_reset_reg(ct->u.regs, TCG_REG_R6);
-#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);
- 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,
- 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 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 LWZU OPCD(33)
-#define STWU OPCD(37)
-
-#define RLWINM OPCD(21)
-
-#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 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 LBZX XO31( 87)
-#define LHZX XO31(276)
-#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[10] = {
- [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, int ret, int arg)
-{
- tcg_out32 (s, OR | SAB (arg, ret, arg));
-}
-
-static void tcg_out_movi(TCGContext *s, TCGType type,
- int 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_target_long target)
-{
- tcg_target_long disp;
-
- disp = target - (tcg_target_long) s->code_ptr;
- if ((disp << 6) >> 6 == disp)
- tcg_out32 (s, B | (disp & 0x3fffffc) | mask);
- else {
- tcg_out_movi (s, TCG_TYPE_I32, 0, (tcg_target_long) target);
- tcg_out32 (s, MTSPR | RS (0) | CTR);
- tcg_out32 (s, BCCTR | BO_ALWAYS | mask);
- }
-}
-
-#ifdef _AIX
-static void tcg_out_call (TCGContext *s, tcg_target_long arg, int const_arg)
-{
- int reg;
-
- if (const_arg) {
- reg = 2;
- tcg_out_movi (s, TCG_TYPE_I32, reg, arg);
- }
- else reg = arg;
-
- tcg_out32 (s, LWZ | RT (0) | RA (reg));
- tcg_out32 (s, MTSPR | RA (0) | CTR);
- tcg_out32 (s, LWZ | RT (2) | RA (reg) | 4);
- tcg_out32 (s, BCCTR | BO_ALWAYS | LK);
-}
-#endif
-
-#if defined(CONFIG_SOFTMMU)
-
-#include "../../softmmu_defs.h"
-
-static void *qemu_ld_helpers[4] = {
- __ldb_mmu,
- __ldw_mmu,
- __ldl_mmu,
- __ldq_mmu,
-};
-
-static void *qemu_st_helpers[4] = {
- __stb_mmu,
- __stw_mmu,
- __stl_mmu,
- __stq_mmu,
-};
-#endif
-
-static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc)
-{
- int addr_reg, data_reg, data_reg2, r0, r1, mem_index, s_bits, bswap;
-#ifdef CONFIG_SOFTMMU
- int r2;
- void *label1_ptr, *label2_ptr;
-#endif
-#if TARGET_LONG_BITS == 64
- int addr_reg2;
-#endif
-
- data_reg = *args++;
- if (opc == 3)
- data_reg2 = *args++;
- else
- data_reg2 = 0;
- addr_reg = *args++;
-#if TARGET_LONG_BITS == 64
- addr_reg2 = *args++;
-#endif
- mem_index = *args;
- s_bits = opc & 3;
-
-#ifdef CONFIG_SOFTMMU
- r0 = 3;
- r1 = 4;
- r2 = 0;
-
- tcg_out32 (s, (RLWINM
- | RA (r0)
- | RS (addr_reg)
- | SH (32 - (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS))
- | MB (32 - (CPU_TLB_BITS + CPU_TLB_ENTRY_BITS))
- | ME (31 - CPU_TLB_ENTRY_BITS)
- )
- );
- tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (TCG_AREG0));
- tcg_out32 (s, (LWZU
- | RT (r1)
- | RA (r0)
- | offsetof (CPUState, tlb_table[mem_index][0].addr_read)
- )
- );
- tcg_out32 (s, (RLWINM
- | RA (r2)
- | RS (addr_reg)
- | SH (0)
- | MB ((32 - s_bits) & 31)
- | ME (31 - TARGET_PAGE_BITS)
- )
- );
-
- tcg_out32 (s, CMP | BF (7) | RA (r2) | RB (r1));
-#if TARGET_LONG_BITS == 64
- tcg_out32 (s, LWZ | RT (r1) | RA (r0) | 4);
- tcg_out32 (s, CMP | BF (6) | RA (addr_reg2) | RB (r1));
- tcg_out32 (s, CRAND | BT (7, CR_EQ) | BA (6, CR_EQ) | BB (7, CR_EQ));
-#endif
-
- label1_ptr = s->code_ptr;
-#ifdef FAST_PATH
- tcg_out32 (s, BC | BI (7, CR_EQ) | BO_COND_TRUE);
-#endif
-
- /* slow path */
-#if TARGET_LONG_BITS == 32
- tcg_out_mov (s, 3, addr_reg);
- tcg_out_movi (s, TCG_TYPE_I32, 4, mem_index);
-#else
- tcg_out_mov (s, 3, addr_reg2);
- tcg_out_mov (s, 4, addr_reg);
- tcg_out_movi (s, TCG_TYPE_I32, 5, mem_index);
-#endif
-
-#ifdef _AIX
- tcg_out_call (s, (tcg_target_long) qemu_ld_helpers[s_bits], 1);
-#else
- tcg_out_b (s, LK, (tcg_target_long) qemu_ld_helpers[s_bits]);
-#endif
- switch (opc) {
- case 0|4:
- tcg_out32 (s, EXTSB | RA (data_reg) | RS (3));
- break;
- case 1|4:
- tcg_out32 (s, EXTSH | RA (data_reg) | RS (3));
- break;
- case 0:
- case 1:
- case 2:
- if (data_reg != 3)
- tcg_out_mov (s, data_reg, 3);
- break;
- case 3:
- if (data_reg == 3) {
- if (data_reg2 == 4) {
- tcg_out_mov (s, 0, 4);
- tcg_out_mov (s, 4, 3);
- tcg_out_mov (s, 3, 0);
- }
- else {
- tcg_out_mov (s, data_reg2, 3);
- tcg_out_mov (s, 3, 4);
- }
- }
- else {
- if (data_reg != 4) tcg_out_mov (s, data_reg, 4);
- if (data_reg2 != 3) tcg_out_mov (s, data_reg2, 3);
- }
- break;
- }
- label2_ptr = s->code_ptr;
- tcg_out32 (s, B);
-
- /* label1: fast path */
-#ifdef FAST_PATH
- reloc_pc14 (label1_ptr, (tcg_target_long) s->code_ptr);
-#endif
-
- /* r0 now contains &env->tlb_table[mem_index][index].addr_read */
- tcg_out32 (s, (LWZ
- | RT (r0)
- | RA (r0)
- | (ADDEND_OFFSET + offsetof (CPUTLBEntry, addend)
- - offsetof (CPUTLBEntry, addr_read))
- ));
- /* r0 = env->tlb_table[mem_index][index].addend */
- tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (addr_reg));
- /* r0 = env->tlb_table[mem_index][index].addend + addr */
-
-#else /* !CONFIG_SOFTMMU */
- r0 = addr_reg;
- r1 = 3;
-#endif
-
-#ifdef TARGET_WORDS_BIGENDIAN
- bswap = 0;
-#else
- bswap = 1;
-#endif
- switch (opc) {
- default:
- case 0:
- tcg_out32 (s, LBZ | RT (data_reg) | RA (r0));
- break;
- case 0|4:
- tcg_out32 (s, LBZ | RT (data_reg) | RA (r0));
- tcg_out32 (s, EXTSB | RA (data_reg) | RS (data_reg));
- break;
- case 1:
- if (bswap) tcg_out32 (s, LHBRX | RT (data_reg) | RB (r0));
- else tcg_out32 (s, LHZ | RT (data_reg) | RA (r0));
- break;
- case 1|4:
- if (bswap) {
- tcg_out32 (s, LHBRX | RT (data_reg) | RB (r0));
- tcg_out32 (s, EXTSH | RA (data_reg) | RS (data_reg));
- }
- else tcg_out32 (s, LHA | RT (data_reg) | RA (r0));
- break;
- case 2:
- if (bswap) tcg_out32 (s, LWBRX | RT (data_reg) | RB (r0));
- else tcg_out32 (s, LWZ | RT (data_reg)| RA (r0));
- break;
- case 3:
- if (bswap) {
- tcg_out32 (s, ADDI | RT (r1) | RA (r0) | 4);
- tcg_out32 (s, LWBRX | RT (data_reg) | RB (r0));
- tcg_out32 (s, LWBRX | RT (data_reg2) | RB (r1));
- }
- else {
- if (r0 == data_reg2) {
- tcg_out32 (s, LWZ | RT (0) | RA (r0));
- tcg_out32 (s, LWZ | RT (data_reg) | RA (r0) | 4);
- tcg_out_mov (s, data_reg2, 0);
- }
- else {
- tcg_out32 (s, LWZ | RT (data_reg2) | RA (r0));
- tcg_out32 (s, LWZ | RT (data_reg) | RA (r0) | 4);
- }
- }
- break;
- }
-
-#ifdef CONFIG_SOFTMMU
- reloc_pc24 (label2_ptr, (tcg_target_long) s->code_ptr);
-#endif
-}
-
-static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc)
-{
- int addr_reg, r0, r1, data_reg, data_reg2, mem_index, bswap;
-#ifdef CONFIG_SOFTMMU
- int r2, ir;
- void *label1_ptr, *label2_ptr;
-#endif
-#if TARGET_LONG_BITS == 64
- int addr_reg2;
-#endif
-
- data_reg = *args++;
- if (opc == 3)
- data_reg2 = *args++;
- else
- data_reg2 = 0;
- addr_reg = *args++;
-#if TARGET_LONG_BITS == 64
- addr_reg2 = *args++;
-#endif
- mem_index = *args;
-
-#ifdef CONFIG_SOFTMMU
- r0 = 3;
- r1 = 4;
- r2 = 0;
-
- tcg_out32 (s, (RLWINM
- | RA (r0)
- | RS (addr_reg)
- | SH (32 - (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS))
- | MB (32 - (CPU_TLB_ENTRY_BITS + CPU_TLB_BITS))
- | ME (31 - CPU_TLB_ENTRY_BITS)
- )
- );
- tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (TCG_AREG0));
- tcg_out32 (s, (LWZU
- | RT (r1)
- | RA (r0)
- | offsetof (CPUState, tlb_table[mem_index][0].addr_write)
- )
- );
- tcg_out32 (s, (RLWINM
- | RA (r2)
- | RS (addr_reg)
- | SH (0)
- | MB ((32 - opc) & 31)
- | ME (31 - TARGET_PAGE_BITS)
- )
- );
-
- tcg_out32 (s, CMP | (7 << 23) | RA (r2) | RB (r1));
-#if TARGET_LONG_BITS == 64
- tcg_out32 (s, LWZ | RT (r1) | RA (r0) | 4);
- tcg_out32 (s, CMP | BF (6) | RA (addr_reg2) | RB (r1));
- tcg_out32 (s, CRAND | BT (7, CR_EQ) | BA (6, CR_EQ) | BB (7, CR_EQ));
-#endif
-
- label1_ptr = s->code_ptr;
-#ifdef FAST_PATH
- tcg_out32 (s, BC | BI (7, CR_EQ) | BO_COND_TRUE);
-#endif
-
- /* slow path */
-#if TARGET_LONG_BITS == 32
- tcg_out_mov (s, 3, addr_reg);
- ir = 4;
-#else
- tcg_out_mov (s, 3, addr_reg2);
- tcg_out_mov (s, 4, addr_reg);
-#ifdef TCG_TARGET_CALL_ALIGN_ARGS
- ir = 5;
-#else
- ir = 4;
-#endif
-#endif
-
- switch (opc) {
- case 0:
- tcg_out32 (s, (RLWINM
- | RA (ir)
- | RS (data_reg)
- | SH (0)
- | MB (24)
- | ME (31)));
- break;
- case 1:
- tcg_out32 (s, (RLWINM
- | RA (ir)
- | RS (data_reg)
- | SH (0)
- | MB (16)
- | ME (31)));
- break;
- case 2:
- tcg_out_mov (s, ir, data_reg);
- break;
- case 3:
-#ifdef TCG_TARGET_CALL_ALIGN_ARGS
- ir = 5;
-#endif
- tcg_out_mov (s, ir++, data_reg2);
- tcg_out_mov (s, ir, data_reg);
- break;
- }
- ir++;
-
- tcg_out_movi (s, TCG_TYPE_I32, ir, mem_index);
-#ifdef _AIX
- tcg_out_call (s, (tcg_target_long) qemu_st_helpers[opc], 1);
-#else
- tcg_out_b (s, LK, (tcg_target_long) qemu_st_helpers[opc]);
-#endif
- label2_ptr = s->code_ptr;
- tcg_out32 (s, B);
-
- /* label1: fast path */
-#ifdef FAST_PATH
- reloc_pc14 (label1_ptr, (tcg_target_long) s->code_ptr);
-#endif
-
- tcg_out32 (s, (LWZ
- | RT (r0)
- | RA (r0)
- | (ADDEND_OFFSET + offsetof (CPUTLBEntry, addend)
- - offsetof (CPUTLBEntry, addr_write))
- ));
- /* r0 = env->tlb_table[mem_index][index].addend */
- tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (addr_reg));
- /* r0 = env->tlb_table[mem_index][index].addend + addr */
-
-#else /* !CONFIG_SOFTMMU */
- r1 = 3;
- r0 = addr_reg;
-#endif
-
-#ifdef TARGET_WORDS_BIGENDIAN
- bswap = 0;
-#else
- bswap = 1;
-#endif
- switch (opc) {
- case 0:
- tcg_out32 (s, STB | RS (data_reg) | RA (r0));
- break;
- case 1:
- if (bswap) tcg_out32 (s, STHBRX | RS (data_reg) | RA (0) | RB (r0));
- else tcg_out32 (s, STH | RS (data_reg) | RA (r0));
- break;
- case 2:
- if (bswap) tcg_out32 (s, STWBRX | RS (data_reg) | RA (0) | RB (r0));
- else tcg_out32 (s, STW | RS (data_reg) | RA (r0));
- break;
- case 3:
- if (bswap) {
- tcg_out32 (s, ADDI | RT (r1) | RA (r0) | 4);
- tcg_out32 (s, STWBRX | RS (data_reg) | RA (0) | RB (r0));
- tcg_out32 (s, STWBRX | RS (data_reg2) | RA (0) | RB (r1));
- }
- else {
- tcg_out32 (s, STW | RS (data_reg2) | RA (r0));
- tcg_out32 (s, STW | RS (data_reg) | RA (r0) | 4);
- }
- break;
- }
-
-#ifdef CONFIG_SOFTMMU
- reloc_pc24 (label2_ptr, (tcg_target_long) s->code_ptr);
-#endif
-}
-
-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
- ;
- frame_size = (frame_size + 15) & ~15;
-
-#ifdef _AIX
- {
- uint32_t addr;
-
- /* First emit adhoc function descriptor */
- addr = (uint32_t) s->code_ptr + 12;
- tcg_out32 (s, addr); /* entry point */
- s->code_ptr += 8; /* skip TOC and 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));
-
- tcg_out32 (s, MTSPR | RS (3) | 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);
-}
-
-static void tcg_out_ld (TCGContext *s, TCGType type, int ret, int arg1,
- tcg_target_long arg2)
-{
- tcg_out_ldst (s, ret, arg1, arg2, LWZ, LWZX);
-}
-
-static void tcg_out_st (TCGContext *s, TCGType type, int arg, int arg1,
- tcg_target_long 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_addi(TCGContext *s, int reg, tcg_target_long val)
-{
- ppc_addi (s, reg, reg, val);
-}
-
-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));
- else {
- uint16_t val = *(uint16_t *) &s->code_ptr[2];
-
- /* Thanks to Andrzej Zaborowski */
- tcg_out32 (s, bc | (val & 0xfffc));
- tcg_out_reloc (s, s->code_ptr - 4, R_PPC_REL14, label_index, 0);
- }
-}
-
-static void tcg_out_brcond (TCGContext *s, int 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)
-{
- int cond = args[4], label_index = args[5], 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_COND_EQ, args[1], args[3], const_args[3], 6);
- tcg_out_cmp (s, cond, args[0], args[2], const_args[2], 7);
- tcg_out32 (s, op | BT (7, CR_EQ) | BA (6, 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();
- }
-
- tcg_out_bc (s, (BC | BI (7, CR_EQ) | BO_COND_TRUE), label_index);
-}
-
-void ppc_tb_set_jmp_target (unsigned long jmp_addr, unsigned long 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, int 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, (tcg_target_long) tb_ret_addr);
- break;
- case INDEX_op_goto_tb:
- if (s->tb_jmp_offset) {
- /* direct jump method */
-
- s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf;
- s->code_ptr += 16;
- }
- else {
- tcg_abort ();
- }
- s->tb_next_offset[args[0]] = s->code_ptr - s->code_buf;
- break;
- case INDEX_op_br:
- {
- TCGLabel *l = &s->labels[args[0]];
-
- if (l->has_value) {
- tcg_out_b (s, 0, l->u.value);
- }
- else {
- uint32_t val = *(uint32_t *) s->code_ptr;
-
- /* Thanks to Andrzej Zaborowski */
- tcg_out32 (s, B | (val & 0x3fffffc));
- tcg_out_reloc (s, s->code_ptr - 4, R_PPC_REL24, args[0], 0);
- }
- }
- break;
- case INDEX_op_call:
-#ifdef _AIX
- tcg_out_call (s, args[0], const_args[0]);
-#else
- if (const_args[0]) {
- tcg_out_b (s, LK, args[0]);
- }
- else {
- tcg_out32 (s, MTSPR | RS (args[0]) | LR);
- tcg_out32 (s, BCLR | BO_ALWAYS | LK);
- }
-#endif
- break;
- case INDEX_op_jmp:
- if (const_args[0]) {
- tcg_out_b (s, 0, args[0]);
- }
- else {
- tcg_out32 (s, MTSPR | RS (args[0]) | CTR);
- tcg_out32 (s, BCCTR | BO_ALWAYS);
- }
- break;
- case INDEX_op_movi_i32:
- tcg_out_movi(s, TCG_TYPE_I32, args[0], args[1]);
- 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]) {
- if ((args[2] & 0xffff) == args[2])
- tcg_out32 (s, ANDI | RS (args[1]) | RA (args[0]) | args[2]);
- else if ((args[2] & 0xffff0000) == args[2])
- tcg_out32 (s, ANDIS | RS (args[1]) | RA (args[0])
- | ((args[2] >> 16) & 0xffff));
- else {
- tcg_out_movi (s, TCG_TYPE_I32, 0, args[2]);
- 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_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_rem_i32:
- tcg_out32 (s, DIVW | TAB (0, args[1], args[2]));
- tcg_out32 (s, MULLW | TAB (0, 0, args[2]));
- tcg_out32 (s, SUBF | TAB (args[0], 0, args[1]));
- break;
-
- case INDEX_op_remu_i32:
- tcg_out32 (s, DIVWU | TAB (0, args[1], args[2]));
- tcg_out32 (s, MULLW | TAB (0, 0, args[2]));
- tcg_out32 (s, SUBF | TAB (args[0], 0, args[1]));
- 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, 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_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, 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, 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_qemu_ld8u:
- tcg_out_qemu_ld(s, args, 0);
- break;
- case INDEX_op_qemu_ld8s:
- tcg_out_qemu_ld(s, args, 0 | 4);
- break;
- case INDEX_op_qemu_ld16u:
- tcg_out_qemu_ld(s, args, 1);
- break;
- case INDEX_op_qemu_ld16s:
- tcg_out_qemu_ld(s, args, 1 | 4);
- break;
- case INDEX_op_qemu_ld32u:
- tcg_out_qemu_ld(s, args, 2);
- break;
- case INDEX_op_qemu_ld64:
- tcg_out_qemu_ld(s, args, 3);
- break;
- case INDEX_op_qemu_st8:
- tcg_out_qemu_st(s, args, 0);
- break;
- case INDEX_op_qemu_st16:
- tcg_out_qemu_st(s, args, 1);
- break;
- case INDEX_op_qemu_st32:
- tcg_out_qemu_st(s, args, 2);
- break;
- case INDEX_op_qemu_st64:
- tcg_out_qemu_st(s, args, 3);
- break;
-
- case INDEX_op_ext8s_i32:
- tcg_out32 (s, EXTSB | RS (args[1]) | RA (args[0]));
- break;
- case INDEX_op_ext16s_i32:
- tcg_out32 (s, EXTSH | RS (args[1]) | RA (args[0]));
- break;
-
- default:
- tcg_dump_ops (s, stderr);
- tcg_abort ();
- }
-}
-
-static const TCGTargetOpDef ppc_op_defs[] = {
- { INDEX_op_exit_tb, { } },
- { INDEX_op_goto_tb, { } },
- { INDEX_op_call, { "ri" } },
- { INDEX_op_jmp, { "ri" } },
- { INDEX_op_br, { } },
-
- { INDEX_op_mov_i32, { "r", "r" } },
- { INDEX_op_movi_i32, { "r" } },
- { 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_rem_i32, { "r", "r", "r" } },
- { INDEX_op_remu_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_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" } },
-
-#if TARGET_LONG_BITS == 32
- { INDEX_op_qemu_ld8u, { "r", "L" } },
- { INDEX_op_qemu_ld8s, { "r", "L" } },
- { INDEX_op_qemu_ld16u, { "r", "L" } },
- { INDEX_op_qemu_ld16s, { "r", "L" } },
- { INDEX_op_qemu_ld32u, { "r", "L" } },
- { INDEX_op_qemu_ld32s, { "r", "L" } },
- { INDEX_op_qemu_ld64, { "r", "r", "L" } },
-
- { INDEX_op_qemu_st8, { "K", "K" } },
- { INDEX_op_qemu_st16, { "K", "K" } },
- { INDEX_op_qemu_st32, { "K", "K" } },
- { INDEX_op_qemu_st64, { "M", "M", "M" } },
-#else
- { INDEX_op_qemu_ld8u, { "r", "L", "L" } },
- { INDEX_op_qemu_ld8s, { "r", "L", "L" } },
- { INDEX_op_qemu_ld16u, { "r", "L", "L" } },
- { INDEX_op_qemu_ld16s, { "r", "L", "L" } },
- { INDEX_op_qemu_ld32u, { "r", "L", "L" } },
- { INDEX_op_qemu_ld32s, { "r", "L", "L" } },
- { INDEX_op_qemu_ld64, { "r", "L", "L", "L" } },
-
- { INDEX_op_qemu_st8, { "K", "K", "K" } },
- { INDEX_op_qemu_st16, { "K", "K", "K" } },
- { INDEX_op_qemu_st32, { "K", "K", "K" } },
- { INDEX_op_qemu_st64, { "M", "M", "M", "M" } },
-#endif
-
- { INDEX_op_ext8s_i32, { "r", "r" } },
- { INDEX_op_ext16s_i32, { "r", "r" } },
-
- { -1 },
-};
-
-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 __APPLE__
- (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 __APPLE__
- tcg_regset_set_reg(s->reserved_regs, TCG_REG_R2);
-#endif
-#ifdef __linux__
- tcg_regset_set_reg(s->reserved_regs, TCG_REG_R13);
-#endif
-
- tcg_add_target_add_op_defs(ppc_op_defs);
-}
generated by cgit v1.1 at 2024-05-17 08:24:40 +0000