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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.c164
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 00000000000..04c7503115d
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/comp-goto-1.c
@@ -0,0 +1,164 @@
+#include <stdlib.h>
+
+#ifndef NO_LABEL_VALUES
+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 ();
+
+void
+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;
+ *(int *) (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