machine description file. */\n\
\n\
#include \"bconfig.h\"\n\
-#include \"insn-constants.h\"\n");
-
- puts ("\
+#include \"system.h\"\n\
+\n\
+/* It is necessary, but not entirely safe, to include the headers below\n\
+ in a generator program. As a defensive measure, don't do so when the\n\
+ table isn't going to have anything in it. */\n\
+#if GCC_VERSION >= 3001\n\
+\n\
/* Do not allow checking to confuse the issue. */\n\
#undef ENABLE_CHECKING\n\
#undef ENABLE_TREE_CHECKING\n\
#undef ENABLE_RTL_CHECKING\n\
#undef ENABLE_RTL_FLAG_CHECKING\n\
#undef ENABLE_GC_CHECKING\n\
-#undef ENABLE_GC_ALWAYS_COLLECT\n");
-
- puts ("\
-#include \"system.h\"\n\
+#undef ENABLE_GC_ALWAYS_COLLECT\n\
+\n\
#include \"coretypes.h\"\n\
#include \"tm.h\"\n\
+#include \"insn-constants.h\"\n\
#include \"rtl.h\"\n\
#include \"tm_p.h\"\n\
-#include \"function.h\"\n");
-
- puts ("\
+#include \"function.h\"\n\
+\n\
/* Fake - insn-config.h doesn't exist yet. */\n\
#define MAX_RECOG_OPERANDS 10\n\
#define MAX_DUP_OPERANDS 10\n\
-#define MAX_INSNS_PER_SPLIT 5\n");
-
- puts ("\
+#define MAX_INSNS_PER_SPLIT 5\n\
+\n\
#include \"regs.h\"\n\
#include \"recog.h\"\n\
#include \"real.h\"\n\
#include \"resource.h\"\n\
#include \"toplev.h\"\n\
#include \"reload.h\"\n\
-#include \"gensupport.h\"\n");
+#include \"tm-constrs.h\"\n");
if (saw_eh_return)
puts ("#define HAVE_eh_return 1");
/* Dummy external declarations. */\n\
extern rtx insn;\n\
extern rtx ins1;\n\
-extern rtx operands[];\n");
+extern rtx operands[];\n\
+\n\
+#endif /* gcc >= 3.0.1 */\n");
}
/* Write out one entry in the conditions table, using the data pointed
fputs (" { \"", stdout);
for (p = test->expr; *p; p++)
{
- if (*p == '\n')
- fputs ("\\n\\\n", stdout);
- else if (*p == '"')
- fputs ("\\\"", stdout);
- else
- putchar (*p);
+ switch (*p)
+ {
+ case '\n': fputs ("\\n\\", stdout); break;
+ case '\\':
+ case '\"': putchar ('\\'); break;
+ default: break;
+ }
+ putchar (*p);
}
- printf ("\",\n __builtin_constant_p ");
+ fputs ("\",\n __builtin_constant_p ", stdout);
print_c_condition (test->expr);
- printf ("\n ? (int) ");
+ fputs ("\n ? (int) ", stdout);
print_c_condition (test->expr);
- printf ("\n : -1 },\n");
+ fputs ("\n : -1 },\n", stdout);
return 1;
}
write_conditions (void)
{
puts ("\
+/* Structure definition duplicated from gensupport.h rather than\n\
+ drag in that file and its dependencies. */\n\
+struct c_test\n\
+{\n\
+ const char *expr;\n\
+ int value;\n\
+};\n\
+\n\
/* This table lists each condition found in the machine description.\n\
Each condition is mapped to its truth value (0 or 1), or -1 if that\n\
- cannot be calculated at compile time. */\n\
-\n\
-static const struct c_test insn_conditions[] = {\n \
-/* If we don't have __builtin_constant_p, or it's not acceptable in array\n\
+ cannot be calculated at compile time.\n\
+ If we don't have __builtin_constant_p, or it's not acceptable in array\n\
initializers, fall back to assuming that all conditions potentially\n\
vary at run time. It works in 3.0.1 and later; 3.0 only when not\n\
optimizing. */\n\
-#if GCC_VERSION >= 3001");
+\n\
+#if GCC_VERSION >= 3001\n\
+static const struct c_test insn_conditions[] = {\n");
traverse_c_tests (write_one_condition, 0);
- puts ("#endif\n};\n");
+ puts ("\n};\n#endif /* gcc >= 3.0.1 */\n");
}
/* Emit code which will convert the C-format table to a
static void
write_writer (void)
{
- puts ("int\nmain(void)\n{\n\
- unsigned int i;\n\
-\n\
- puts (\"(define_conditions [\");\n\
- for (i = 0; i < ARRAY_SIZE (insn_conditions); i++)\n\
- printf (\" (%d \\\"%s\\\")\\n\",\n\
- insn_conditions[i].value, insn_conditions[i].expr);\n\
- puts (\"])\");\n\
- fflush (stdout);\n\
- return (ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE);\n}");
+ puts ("int\n"
+ "main(void)\n"
+ "{\n"
+ " unsigned int i;\n"
+ " const char *p;\n"
+ " puts (\"(define_conditions [\");\n"
+ "#if GCC_VERSION >= 3001\n"
+ " for (i = 0; i < ARRAY_SIZE (insn_conditions); i++)\n"
+ " {\n"
+ " printf (\" (%d \\\"\", insn_conditions[i].value);\n"
+ " for (p = insn_conditions[i].expr; *p; p++)\n"
+ " {\n"
+ " switch (*p)\n"
+ " {\n"
+ " case '\\\\':\n"
+ " case '\\\"': putchar ('\\\\'); break;\n"
+ " default: break;\n"
+ " }\n"
+ " putchar (*p);\n"
+ " }\n"
+ " puts (\"\\\")\");\n"
+ " }\n"
+ "#endif /* gcc >= 3.0.1 */\n"
+ " puts (\"])\");\n"
+ " fflush (stdout);\n"
+ "return ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE;\n"
+ "}");
}
int