Viewing file:  test-register-variable.c (1.92 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* { dg-do compile { target x86_64-*-* } } */
#include <stdlib.h>
#include <stdio.h>
#include "libgccjit.h"
/* We don't want set_options() in harness.h to set -O3 so our little local
is optimized away. */
#define TEST_ESCHEWS_SET_OPTIONS
static void set_options (gcc_jit_context *ctxt, const char *argv0)
{
}
#define TEST_COMPILING_TO_FILE
#define OUTPUT_KIND GCC_JIT_OUTPUT_KIND_ASSEMBLER
#define OUTPUT_FILENAME "output-of-test-link-section-assembler.c.s"
#include "harness.h"
void
create_code (gcc_jit_context *ctxt, void *user_data)
{
/* Let's try to inject the equivalent of:
register int global_variable asm ("r13");
int main() {
register int variable asm ("r12");
return 0;
}
*/
gcc_jit_type *int_type =
gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT);
gcc_jit_lvalue *global_variable =
gcc_jit_context_new_global (
ctxt, NULL, GCC_JIT_GLOBAL_EXPORTED, int_type, "global_variable");
gcc_jit_lvalue_set_register_name(global_variable, "r13");
gcc_jit_function *func_main =
gcc_jit_context_new_function (ctxt, NULL,
GCC_JIT_FUNCTION_EXPORTED,
int_type,
"main",
0, NULL,
0);
gcc_jit_lvalue *variable = gcc_jit_function_new_local(func_main, NULL, int_type, "variable");
gcc_jit_lvalue_set_register_name(variable, "r12");
gcc_jit_rvalue *two = gcc_jit_context_new_rvalue_from_int (ctxt, int_type, 2);
gcc_jit_rvalue *one = gcc_jit_context_one (ctxt, int_type);
gcc_jit_block *block = gcc_jit_function_new_block (func_main, NULL);
gcc_jit_block_add_assignment(block, NULL, variable, one);
gcc_jit_block_add_assignment(block, NULL, global_variable, two);
gcc_jit_block_end_with_return (block, NULL, gcc_jit_lvalue_as_rvalue(variable));
}
/* { dg-final { jit-verify-output-file-was-created "" } } */
/* { dg-final { jit-verify-assembler-output "movl \\\$1, %r12d" } } */
/* { dg-final { jit-verify-assembler-output "movl \\\$2, %r13d" } } */
|
