obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 166 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.target/i386/m128-check.h b/gcc/testsuite/gcc.target/i386/m128-check.h
new file mode 100644
index 000000000..4e2deecb1
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/m128-check.h
@@ -0,0 +1,166 @@
+#include <stdio.h>
+#include <xmmintrin.h>
+
+#ifdef __SSE2__
+#include <emmintrin.h>
+
+typedef union
+{
+  __m128i x;
+  char a[16];
+} union128i_b;
+
+typedef union
+{
+  __m128i x;
+  unsigned char a[16];
+} union128i_ub;
+
+typedef union
+{
+  __m128i x;
+  short a[8];
+} union128i_w;
+
+typedef union
+{
+  __m128i x;
+  unsigned short a[8];
+} union128i_uw;
+
+typedef union
+{
+  __m128i x;
+  int a[4];
+} union128i_d;
+
+typedef union
+{
+  __m128i x;
+  long long a[2];
+} union128i_q;
+
+typedef union
+{
+  __m128d x;
+  double a[2];
+} union128d;
+#endif
+
+typedef union
+{
+  __m128  x;
+  float a[4];
+} union128;
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(A) (sizeof (A) / sizeof ((A)[0]))
+#endif
+
+#ifdef DEBUG
+#define PRINTF printf
+#else
+#define PRINTF(...)	
+#endif
+
+#define CHECK_EXP(UINON_TYPE, VALUE_TYPE, FMT)		\
+static int						\
+__attribute__((noinline, unused))			\
+check_##UINON_TYPE (UINON_TYPE u, const VALUE_TYPE *v)	\
+{							\
+  int i;						\
+  int err = 0;						\
+							\
+  for (i = 0; i < ARRAY_SIZE (u.a); i++)		\
+    if (u.a[i] != v[i])					\
+      {							\
+	err++;						\
+	PRINTF ("%i: " FMT " != " FMT "\n",		\
+		i, v[i], u.a[i]);			\
+      }							\
+  return err;						\
+}
+
+#ifdef __SSE2__
+CHECK_EXP (union128i_b, char, "%d")
+CHECK_EXP (union128i_ub, unsigned char, "%d")
+CHECK_EXP (union128i_w, short, "%d")
+CHECK_EXP (union128i_uw, unsigned short, "%d")
+CHECK_EXP (union128i_d, int, "0x%x")
+CHECK_EXP (union128i_q, long long, "0x%llx")
+CHECK_EXP (union128d, double, "%f")
+#endif
+
+CHECK_EXP (union128, float, "%f")
+
+#define ESP_FLOAT 0.000001
+#define ESP_DOUBLE 0.000001
+#define CHECK_ARRAY(ARRAY, TYPE, FMT)                   \
+static int                                              \
+__attribute__((noinline, unused))                       \
+checkV##ARRAY (const TYPE *v, const TYPE *e, int n)     \
+{                                                       \
+  int i;                                                \
+  int err = 0;                                          \
+                                                        \
+  for (i = 0; i < n; i++)                               \
+    if (v[i] != e[i])                                   \
+      {                                                 \
+        err++;                                          \
+        PRINTF ("%i: " FMT " != " FMT "\n",             \
+                i, v[i], e[i]);                 \
+      }                                                 \
+  return err;                                           \
+}
+
+CHECK_ARRAY(i, int, "0x%x")
+CHECK_ARRAY(l, long long, "0x%llx")
+
+#define CHECK_FP_ARRAY(ARRAY, TYPE, ESP, FMT)                   \
+static int                                              \
+__attribute__((noinline, unused))                       \
+checkV##ARRAY (const TYPE *v, const TYPE *e, int n)     \
+{                                                       \
+  int i;                                                \
+  int err = 0;                                          \
+                                                        \
+  for (i = 0; i < n; i++)                               \
+    if (v[i] > (e[i] + (ESP)) || v[i] < (e[i] - (ESP))) \
+    if (e[i] != v[i])                                   \
+      {                                                 \
+        err++;                                          \
+        PRINTF ("%i: " FMT " != " FMT "\n",             \
+                i, v[i], e[i]);                 \
+      }                                                 \
+  return err;                                           \
+}
+
+CHECK_FP_ARRAY (d, double, ESP_DOUBLE, "%f")
+CHECK_FP_ARRAY (f, float, ESP_FLOAT, "%f")
+
+#ifdef NEED_IEEE754_FLOAT
+union ieee754_float
+{
+   float d;
+   struct 
+   {
+      unsigned long frac : 23;
+      unsigned exp : 8;
+      unsigned sign : 1;
+   } bits __attribute__((packed));
+};
+#endif
+
+#ifdef NEED_IEEE754_DOUBLE
+union ieee754_double
+{
+   double d;
+   struct 
+   {
+      unsigned long frac1 : 32;
+      unsigned long frac0 : 20;
+      unsigned exp : 11;
+      unsigned sign : 1;
+   } bits __attribute__((packed));
+};
+#endif