wip

Author: ndossche

ext/json/json_encoder.c

@@ -492,7 +492,7 @@ zend_result php_json_escape_string(
 		static const uint32_t charmap[8] = {
 			0xffffffff, 0x500080c4, 0x10000000, 0x00000000,
 			0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff};
-// printf("pos %d\n", pos);
+
 #ifdef __SSE2__
 		while (len >= sizeof(__m128i)) {
 			const __m128i input = _mm_loadu_si128((__m128i *) (s + pos));
@@ -505,11 +505,12 @@ zend_result php_json_escape_string(
 			//printf("\n");
 
 			// TODO: problem if the first UTF-8 char comes before the first escape char
+			// and getting this right+performant is hard, so for now we just don't shift.
 			int input_range_mask = _mm_movemask_epi8(input_range);
 			if (input_range_mask != 0) {
-				int shift = __builtin_ctz(input_range_mask);
-				pos += shift;
-				len -= shift;
+				//int shift = __builtin_ctz(input_range_mask);
+				//pos += shift;
+				//len -= shift;
 				break;
 			}