diff options
Diffstat (limited to 'gcc/testsuite/jit.dg/test-register-variable.c')
| -rw-r--r-- | gcc/testsuite/jit.dg/test-register-variable.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/gcc/testsuite/jit.dg/test-register-variable.c b/gcc/testsuite/jit.dg/test-register-variable.c new file mode 100644 index 00000000000..ce6dcaa9213 --- /dev/null +++ b/gcc/testsuite/jit.dg/test-register-variable.c @@ -0,0 +1,56 @@ +/* { 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" } } */ |