[Pcre-svn] [1084] code/trunk/src/pcre2_jit_compile.c: Negate…

          http://www.exim.org/viewvc/pcre2?view=rev&revision=1084
Author:   zherczeg
Date:     2019-04-16 09:57:10 +0100 (Tue, 16 Apr 2019)
Log Message:
-----------
Negate signed shift warnings.

Modified Paths:
--------------
    code/trunk/src/pcre2_jit_compile.c

Modified: code/trunk/src/pcre2_jit_compile.c
===================================================================
--- code/trunk/src/pcre2_jit_compile.c    2019-04-12 14:40:27 UTC (rev 1083)
+++ code/trunk/src/pcre2_jit_compile.c    2019-04-16 08:57:10 UTC (rev 1084)
@@ -3257,13 +3257,13 @@
 #ifdef SUPPORT_UNICODE
 if (common->utf && c > 65535)
   {
-  if (bit >= (1 << 10))
+  if (bit >= (1u << 10))
     bit >>= 10;
   else
     return (bit < 256) ? ((2 << 8) | bit) : ((3 << 8) | (bit >> 8));
   }
 #endif /* SUPPORT_UNICODE */
-return (bit < 256) ? ((0 << 8) | bit) : ((1 << 8) | (bit >> 8));
+return (bit < 256) ? ((0u << 8) | bit) : ((1u << 8) | (bit >> 8));

 static sljit_s32 character_to_int32(PCRE2_UCHAR chr)
 {
-sljit_s32 value = (sljit_s32)chr;
+sljit_u32 value = chr;
 #if PCRE2_CODE_UNIT_WIDTH == 8
 #define SSE2_COMPARE_TYPE_INDEX 0
-return (value << 24) | (value << 16) | (value << 8) | value;
+return (sljit_s32)((value << 24) | (value << 16) | (value << 8) | value);
 #elif PCRE2_CODE_UNIT_WIDTH == 16
 #define SSE2_COMPARE_TYPE_INDEX 1
-return (value << 16) | value;
+return (sljit_s32)((value << 16) | value);
 #elif PCRE2_CODE_UNIT_WIDTH == 32
 #define SSE2_COMPARE_TYPE_INDEX 2
-return value;
+return (sljit_s32)(value);
 #else
 #error "Unsupported unit width"
 #endif
@@ -10861,7 +10861,7 @@
   /* We temporarily encode the needs_control_head in the lowest bit.
      Note: on the target architectures of SLJIT the ((x << 1) >> 1) returns
      the same value for small signed numbers (including negative numbers). */
-  BACKTRACK_AS(bracket_backtrack)->u.framesize = (BACKTRACK_AS(bracket_backtrack)->u.framesize << 1) | (needs_control_head ? 1 : 0);
+  BACKTRACK_AS(bracket_backtrack)->u.framesize = (int)((unsigned)BACKTRACK_AS(bracket_backtrack)->u.framesize << 1) | (needs_control_head ? 1 : 0);
   }
 return cc + repeat_length;
 }