diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/comp-goto-1.c')
-rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/comp-goto-1.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/comp-goto-1.c b/gcc/testsuite/gcc.c-torture/execute/comp-goto-1.c new file mode 100644 index 000000000..3bf9a26f6 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/comp-goto-1.c @@ -0,0 +1,164 @@ +#include <stdlib.h> + +#if !defined(NO_LABEL_VALUES) && (!defined(STACK_SIZE) || STACK_SIZE >= 4000) && __INT_MAX__ >= 2147483647 +typedef unsigned int uint32; +typedef signed int sint32; + +typedef uint32 reg_t; + +typedef unsigned long int host_addr_t; +typedef uint32 target_addr_t; +typedef sint32 target_saddr_t; + +typedef union +{ + struct + { + unsigned int offset:18; + unsigned int ignore:4; + unsigned int s1:8; + int :2; + signed int simm:14; + unsigned int s3:8; + unsigned int s2:8; + int pad2:2; + } f1; + long long ll; + double d; +} insn_t; + +typedef struct +{ + target_addr_t vaddr_tag; + unsigned long int rigged_paddr; +} tlb_entry_t; + +typedef struct +{ + insn_t *pc; + reg_t registers[256]; + insn_t *program; + tlb_entry_t tlb_tab[0x100]; +} environment_t; + +enum operations +{ + LOAD32_RR, + METAOP_DONE +}; + +host_addr_t +f () +{ + abort (); +} + +reg_t +simulator_kernel (int what, environment_t *env) +{ + register insn_t *pc = env->pc; + register reg_t *regs = env->registers; + register insn_t insn; + register int s1; + register reg_t r2; + register void *base_addr = &&sim_base_addr; + register tlb_entry_t *tlb = env->tlb_tab; + + if (what != 0) + { + int i; + static void *op_map[] = + { + &&L_LOAD32_RR, + &&L_METAOP_DONE, + }; + insn_t *program = env->program; + for (i = 0; i < what; i++) + program[i].f1.offset = op_map[program[i].f1.offset] - base_addr; + } + + sim_base_addr:; + + insn = *pc++; + r2 = (*(reg_t *) (((char *) regs) + (insn.f1.s2 << 2))); + s1 = (insn.f1.s1 << 2); + goto *(base_addr + insn.f1.offset); + + L_LOAD32_RR: + { + target_addr_t vaddr_page = r2 / 4096; + unsigned int x = vaddr_page % 0x100; + insn = *pc++; + + for (;;) + { + target_addr_t tag = tlb[x].vaddr_tag; + host_addr_t rigged_paddr = tlb[x].rigged_paddr; + + if (tag == vaddr_page) + { + *(reg_t *) (((char *) regs) + s1) = *(uint32 *) (rigged_paddr + r2); + r2 = *(reg_t *) (((char *) regs) + (insn.f1.s2 << 2)); + s1 = insn.f1.s1 << 2; + goto *(base_addr + insn.f1.offset); + } + + if (((target_saddr_t) tag < 0)) + { + *(reg_t *) (((char *) regs) + s1) = *(uint32 *) f (); + r2 = *(reg_t *) (((char *) regs) + (insn.f1.s2 << 2)); + s1 = insn.f1.s1 << 2; + goto *(base_addr + insn.f1.offset); + } + + x = (x - 1) % 0x100; + } + + L_METAOP_DONE: + return (*(reg_t *) (((char *) regs) + s1)); + } +} + +insn_t program[2 + 1]; + +void *malloc (); + +int +main () +{ + environment_t env; + insn_t insn; + int i, res; + host_addr_t a_page = (host_addr_t) malloc (2 * 4096); + target_addr_t a_vaddr = 0x123450; + target_addr_t vaddr_page = a_vaddr / 4096; + a_page = (a_page + 4096 - 1) & -4096; + + env.tlb_tab[((vaddr_page) % 0x100)].vaddr_tag = vaddr_page; + env.tlb_tab[((vaddr_page) % 0x100)].rigged_paddr = a_page - vaddr_page * 4096; + insn.f1.offset = LOAD32_RR; + env.registers[0] = 0; + env.registers[2] = a_vaddr; + *(sint32 *) (a_page + a_vaddr % 4096) = 88; + insn.f1.s1 = 0; + insn.f1.s2 = 2; + + for (i = 0; i < 2; i++) + program[i] = insn; + + insn.f1.offset = METAOP_DONE; + insn.f1.s1 = 0; + program[2] = insn; + + env.pc = program; + env.program = program; + + res = simulator_kernel (2 + 1, &env); + + if (res != 88) + abort (); + exit (0); +} +#else +main(){ exit (0); } +#endif |