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-rw-r--r--gcc/testsuite/gcc.apple/align-test-3.c136
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diff --git a/gcc/testsuite/gcc.apple/align-test-3.c b/gcc/testsuite/gcc.apple/align-test-3.c
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+/* APPLE LOCAL file Macintosh alignment */
+
+/* { dg-do run } */
+/* { dg-options "-Wno-long-long" } */
+
+/*
+ * GCC alignment test for alignment problems due to interactions
+ * between FSF and Macintosh alignment modes.
+ * Fred Forsman
+ * Apple Computer, Inc.
+ */
+
+#ifdef __LP64__
+int main()
+{
+ return 0;
+}
+#else /* 32-bit */
+
+ /* Check whether we are testing GCC 3 or later. */
+#ifdef __GNUC__
+#if __GNUC__ >= 3
+#define GCC3 1
+#else
+#define GCC3 0
+#endif
+#endif
+
+#include <stdio.h>
+#include <stddef.h>
+#include <string.h>
+
+#define Q(x) #x, x
+
+typedef unsigned char UINT8;
+typedef unsigned long UINT32;
+
+static int bad_option = 0;
+static int flag_verbose = 0;
+static int nbr_failures = 0;
+
+/* === alignment modes === */
+
+#pragma options align=power
+#pragma options align=mac68k
+#pragma pack(1)
+
+typedef struct S0 {
+ UINT32 f1;
+ UINT8 f2;
+} S0;
+
+#pragma options align=reset
+
+/* We should be back in mac68k alignment, if #pragma option align=reset
+ can rest a #pragma pack(n). So check for mac68k alignment. */
+
+typedef struct S1 {
+ UINT32 f1;
+ UINT8 f2;
+} S1;
+
+#if GCC3
+#pragma options align=power
+#pragma options align=mac68k
+//#pragma pack(push, 1)
+//#pragma pack(pop)
+#pragma pack(1)
+#pragma pack()
+
+/* We should be back in mac68k alignment, if #pragma pack()
+ can reset a #pragma pack(n). So check for mac68k alignment. */
+
+typedef struct S2 {
+ UINT32 f1;
+ UINT8 f2;
+} S2;
+#endif /* GCC3 */
+
+static void check(char * rec_name, int actual, int expected_ppc32, int expected_ia32, char * comment)
+{
+ int expected;
+#ifdef __i386__
+ expected = expected_ia32;
+#else
+ expected = expected_ppc32;
+#endif
+ if (flag_verbose || (actual != expected)) {
+ printf("%-20s = %2d (%2d) ", rec_name, actual, expected);
+ if (actual != expected) {
+ printf("*** FAIL");
+ nbr_failures++;
+ } else
+ printf(" PASS");
+ printf(": %s\n", comment);
+ }
+}
+
+static void check_option(char *option)
+{
+ if (*option == '-') {
+ if (strcmp(option, "-v") == 0)
+ flag_verbose = 1;
+ else {
+ fprintf(stderr, "*** unrecognized option '%s'.\n", option);
+ bad_option = 1;
+ }
+ } else {
+ fprintf(stderr, "*** unrecognized option '%s'.\n", option);
+ bad_option = 1;
+ }
+}
+
+int main(int argc, char *argv[])
+{
+ int i;
+
+ for (i = 1; i < argc; i++)
+ check_option(argv[i]);
+
+ if (bad_option)
+ return 1;
+
+ check(Q(sizeof(S0)), 5, 5, "struct with 1 long, 1 char; pack(1) mode");
+ check(Q(sizeof(S1)), 6, 6, "struct with 1 long, 1 char; should be mac68k mode");
+#if GCC3
+ check(Q(sizeof(S2)), 6, 6, "struct with 1 long, 1 char; should be mac68k mode");
+#endif
+
+ if (nbr_failures > 0)
+ return 1;
+ else
+ return 0;
+}
+
+#endif /* 32-bit */