sse2: add debug infrastructuredebug

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>

1 files changed, 136 insertions, 0 deletions

diff --git a/pixman/pixman-sse2.c b/pixman/pixman-sse2.c
index 8955103..404349f 100644
--- a/pixman/pixman-sse2.c
+++ b/pixman/pixman-sse2.c
@@ -39,6 +39,142 @@
 #include "pixman-combine32.h"
 #include "pixman-inlines.h"
 
+#undef DEBUG_MODE
+
+#ifdef DEBUG_MODE
+
+static force_inline int
+get_x(const __m128i vec){
+    return _mm_cvtsi128_si32 (vec);
+}
+
+static force_inline int
+get_y(const __m128i vec){
+    return _mm_cvtsi128_si32 (_mm_shuffle_epi32(vec,0x55));
+}
+
+static force_inline int
+get_z(const __m128i vec){
+    return _mm_cvtsi128_si32 (_mm_shuffle_epi32(vec,0xAA));
+}
+
+static force_inline int
+get_w(const __m128i vec){
+    return _mm_cvtsi128_si32 (_mm_shuffle_epi32(vec,0xFF));
+}
+
+union SSE128i {
+    __m128i sse;
+    char array[16];
+};
+
+static void __print_uchar_vector(__m128i input, char *name, int decimal, int cond)
+{
+    int i;
+    unsigned char element[16];
+    union SSE128i sse8;
+
+    if (!cond)
+	return;
+
+    sse8.sse = _mm_loadu_si128(&input);
+    element[0] = sse8.array[0];
+    element[1] = sse8.array[1];
+    element[2] = sse8.array[2];
+    element[3] = sse8.array[3];
+    element[4] = sse8.array[4];
+    element[5] = sse8.array[5];
+    element[6] = sse8.array[6];
+    element[7] = sse8.array[7];
+    element[8] = sse8.array[8];
+    element[9] = sse8.array[9];
+    element[10] = sse8.array[10];
+    element[11] = sse8.array[11];
+    element[12] = sse8.array[12];
+    element[13] = sse8.array[13];
+    element[14] = sse8.array[14];
+    element[15] = sse8.array[15];
+
+
+    printf("%s:   ", name);
+    for (i = 0 ; i < 16 ; i++) {
+        printf("0x%x ", element[i]);
+	if (decimal)
+	    printf("(%u),  ", element[i]);
+    }
+    printf("\n");
+}
+
+static void __print_uint_vector(__m128i input, char *name, int decimal, int cond)
+{
+    int i;
+    unsigned int element[4];
+
+    if (!cond)
+	return;
+
+    printf("%s:   ", name);
+    element[0] = get_x(input);
+    element[1] = get_y(input);
+    element[2] = get_z(input);
+    element[3] = get_w(input);
+
+    for (i = 0 ; i < 4 ; i++) {
+        printf("0x%08x ", element[i]);
+        if (decimal)
+            printf("(%u),  ", element[i]);
+    }
+    printf("\n");
+}
+
+static void __print_ushort_vector(__m128i input, char *name, int decimal, int cond)
+{
+    int i;
+    unsigned short element[8];
+
+    if (!cond)
+	return;
+
+    printf("%s:   ", name);
+    element[0] = _mm_extract_epi16(input, 0);
+    element[1] = _mm_extract_epi16(input, 1);
+    element[2] = _mm_extract_epi16(input, 2);
+    element[3] = _mm_extract_epi16(input, 3);
+    element[4] = _mm_extract_epi16(input, 4);
+    element[5] = _mm_extract_epi16(input, 5);
+    element[6] = _mm_extract_epi16(input, 6);
+    element[7] = _mm_extract_epi16(input, 7);
+
+    for (i = 0 ; i < 8 ; i++) {
+         printf("0x%04x ", element[i]);
+        if (decimal)
+            printf("(%u),  ", element[i]);
+    }
+    printf("\n");
+}
+
+#define print_uchar_vector(v,s,d,c) __print_uchar_vector(v,s,d,c);
+#define print_uint_vector(v,s,d,c) __print_uint_vector(v,s,d,c);
+#define print_ushort_vector(v,s,d,c) __print_ushort_vector(v,s,d,c);
+#define my_exit(c) exit(c)
+#define my_printf printf
+
+#else
+
+#define print_uchar_vector(v,s,d,c)
+#define print_uint_vector(v,s,d,c)
+#define print_ushort_vector(v,s,d,c)
+#define my_exit(c)
+
+int empty_printf (const char *__restrict __format, ...)
+{
+    return 0;
+}
+
+#define my_printf empty_printf
+
+#endif /* DEBUG_MODE */
+
 static __m128i mask_0080;
 static __m128i mask_00ff;
 static __m128i mask_0101;