fix: breakpad use miniz

third_party/zlib-ng/arch/arm/crc32_acle.c

@@ -0,0 +1,76 @@
+/* crc32_acle.c -- compute the CRC-32 of a data stream
+ * Copyright (C) 1995-2006, 2010, 2011, 2012 Mark Adler
+ * Copyright (C) 2016 Yang Zhang
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ *
+*/
+
+#ifdef ARM_ACLE
+#include "acle_intrins.h"
+#include "zbuild.h"
+
+Z_INTERNAL Z_TARGET_CRC uint32_t crc32_acle(uint32_t crc, const uint8_t *buf, size_t len) {
+    Z_REGISTER uint32_t c;
+    Z_REGISTER uint16_t buf2;
+    Z_REGISTER uint32_t buf4;
+    Z_REGISTER uint64_t buf8;
+
+    c = ~crc;
+
+    if (UNLIKELY(len == 1)) {
+        c = __crc32b(c, *buf);
+        c = ~c;
+        return c;
+    }
+
+    if ((ptrdiff_t)buf & (sizeof(uint64_t) - 1)) {
+        if (len && ((ptrdiff_t)buf & 1)) {
+            c = __crc32b(c, *buf++);
+            len--;
+        }
+
+        if ((len >= sizeof(uint16_t)) && ((ptrdiff_t)buf & (sizeof(uint32_t) - 1))) {
+            buf2 = *((uint16_t*)buf);
+            c = __crc32h(c, buf2);
+            buf += sizeof(uint16_t);
+            len -= sizeof(uint16_t);
+        }
+
+        if ((len >= sizeof(uint32_t)) && ((ptrdiff_t)buf & (sizeof(uint64_t) - 1))) {
+            buf4 = *((uint32_t*)buf);
+            c = __crc32w(c, buf4);
+            len -= sizeof(uint32_t);
+            buf += sizeof(uint32_t);
+        }
+
+    }
+
+    while (len >= sizeof(uint64_t)) {
+        buf8 = *((uint64_t*)buf);
+        c = __crc32d(c, buf8);
+        len -= sizeof(uint64_t);
+        buf += sizeof(uint64_t);
+    }
+
+    if (len >= sizeof(uint32_t)) {
+        buf4 = *((uint32_t*)buf);
+        c = __crc32w(c, buf4);
+        len -= sizeof(uint32_t);
+        buf += sizeof(uint32_t);
+    }
+
+    if (len >= sizeof(uint16_t)) {
+        buf2 = *((uint16_t*)buf);
+        c = __crc32h(c, buf2);
+        len -= sizeof(uint16_t);
+        buf += sizeof(uint16_t);
+    }
+
+    if (len) {
+        c = __crc32b(c, *buf);
+    }
+
+    c = ~c;
+    return c;
+}
+#endif