1 /* { dg-require-effective-target freorder } */
2 /* { dg-options "-O2 -freorder-blocks-and-partition" } */
5 #if !defined(NO_LABEL_VALUES) && (!defined(STACK_SIZE) || STACK_SIZE >= 4000) && __INT_MAX__ >= 2147483647
6 typedef unsigned int uint32;
7 typedef signed int sint32;
11 typedef unsigned long int host_addr_t;
12 typedef uint32 target_addr_t;
13 typedef sint32 target_saddr_t;
20 unsigned int ignore:4;
34 target_addr_t vaddr_tag;
35 unsigned long int rigged_paddr;
43 tlb_entry_t tlb_tab[0x100];
59 simulator_kernel (int what, environment_t *env)
61 register insn_t *pc = env->pc;
62 register reg_t *regs = env->registers;
66 register void *base_addr = &&sim_base_addr;
67 register tlb_entry_t *tlb = env->tlb_tab;
72 static void *op_map[] =
77 insn_t *program = env->program;
78 for (i = 0; i < what; i++)
79 program[i].f1.offset = op_map[program[i].f1.offset] - base_addr;
85 r2 = (*(reg_t *) (((char *) regs) + (insn.f1.s2 << 2)));
86 s1 = (insn.f1.s1 << 2);
87 goto *(base_addr + insn.f1.offset);
91 target_addr_t vaddr_page = r2 / 4096;
92 unsigned int x = vaddr_page % 0x100;
97 target_addr_t tag = tlb[x].vaddr_tag;
98 host_addr_t rigged_paddr = tlb[x].rigged_paddr;
100 if (tag == vaddr_page)
102 *(reg_t *) (((char *) regs) + s1) = *(uint32 *) (rigged_paddr + r2);
103 r2 = *(reg_t *) (((char *) regs) + (insn.f1.s2 << 2));
104 s1 = insn.f1.s1 << 2;
105 goto *(base_addr + insn.f1.offset);
108 if (((target_saddr_t) tag < 0))
110 *(reg_t *) (((char *) regs) + s1) = *(uint32 *) f ();
111 r2 = *(reg_t *) (((char *) regs) + (insn.f1.s2 << 2));
112 s1 = insn.f1.s1 << 2;
113 goto *(base_addr + insn.f1.offset);
120 return (*(reg_t *) (((char *) regs) + s1));
124 insn_t program[2 + 1];
134 host_addr_t a_page = (host_addr_t) malloc (2 * 4096);
135 target_addr_t a_vaddr = 0x123450;
136 target_addr_t vaddr_page = a_vaddr / 4096;
137 a_page = (a_page + 4096 - 1) & -4096;
139 env.tlb_tab[((vaddr_page) % 0x100)].vaddr_tag = vaddr_page;
140 env.tlb_tab[((vaddr_page) % 0x100)].rigged_paddr = a_page - vaddr_page * 4096;
141 insn.f1.offset = LOAD32_RR;
142 env.registers[0] = 0;
143 env.registers[2] = a_vaddr;
144 *(sint32 *) (a_page + a_vaddr % 4096) = 88;
148 for (i = 0; i < 2; i++)
151 insn.f1.offset = METAOP_DONE;
156 env.program = program;
158 res = simulator_kernel (2 + 1, &env);