diff options
Diffstat (limited to 'gcc/testsuite/jit.dg/test-setting-alignment.c')
-rw-r--r-- | gcc/testsuite/jit.dg/test-setting-alignment.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/gcc/testsuite/jit.dg/test-setting-alignment.c b/gcc/testsuite/jit.dg/test-setting-alignment.c new file mode 100644 index 0000000..8489df9 --- /dev/null +++ b/gcc/testsuite/jit.dg/test-setting-alignment.c @@ -0,0 +1,66 @@ +/* { 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-setting-alignment.c.s" +#include "harness.h" + +void +create_code (gcc_jit_context *ctxt, void *user_data) +{ + /* Let's try to inject the equivalent of: + int foo __attribute__((aligned (8))); + + int main (void) { + int bar __attribute__((aligned (16))); + } + */ + gcc_jit_type *int_type = + gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT); + gcc_jit_lvalue *foo = + gcc_jit_context_new_global ( + ctxt, NULL, GCC_JIT_GLOBAL_EXPORTED, int_type, "foo"); + gcc_jit_lvalue_set_alignment(foo, 8); + + gcc_jit_field *field = gcc_jit_context_new_field (ctxt, + NULL, + int_type, + "a"); + gcc_jit_struct *struct_type = + gcc_jit_context_new_struct_type(ctxt, NULL, "Type", 1, &field); + 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 *bar = + gcc_jit_function_new_local ( + func_main, NULL, + gcc_jit_struct_as_type (struct_type), + "bar"); + CHECK_VALUE (gcc_jit_lvalue_get_alignment (bar), 0); + gcc_jit_lvalue_set_alignment (bar, 16); + CHECK_VALUE (gcc_jit_lvalue_get_alignment (bar), 16); + gcc_jit_block *block = gcc_jit_function_new_block (func_main, NULL); + gcc_jit_rvalue *return_value = + gcc_jit_lvalue_as_rvalue (gcc_jit_lvalue_access_field (bar, NULL, field)); + gcc_jit_block_end_with_return (block, NULL, return_value); +} + +/* { dg-final { jit-verify-output-file-was-created "" } } */ +/* { dg-final { jit-verify-assembler-output ".comm foo,4,8" } } */ +/* { dg-final { jit-verify-assembler-output "movl -16\\\(%rbp\\\), %eax" } } */ |