From fecd08ab8697f0d85ebc450048e621c0f58078fc Mon Sep 17 00:00:00 2001 From: naruse Date: Sun, 29 May 2016 13:56:38 +0000 Subject: * regexec.c (match_at): make compilers optimize harder. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55202 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- regexec.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) (limited to 'regexec.c') diff --git a/regexec.c b/regexec.c index f52e55f879..a70fbdef91 100644 --- a/regexec.c +++ b/regexec.c @@ -1561,9 +1561,6 @@ match_at(regex_t* reg, const UChar* str, const UChar* end, mem_start_stk = (OnigStackIndex* )(repeat_stk + reg->num_repeat); mem_end_stk = mem_start_stk + (num_mem + 1); - for (i = 0; i <= num_mem; i++) { - mem_start_stk[i] = mem_end_stk[i] = INVALID_STACK_INDEX; - } #else /* USE_SUBEXP_CALL */ /* Stack #0 not is used. */ n = reg->num_repeat + reg->num_mem * 2; @@ -1579,10 +1576,14 @@ match_at(regex_t* reg, const UChar* str, const UChar* end, mem_start_stk[1]..mem_start_stk[num_mem] */ mem_end_stk--; /* for index start from 1, mem_end_stk[1]..mem_end_stk[num_mem] */ - for (i = 1; i <= num_mem; i++) { - mem_start_stk[i] = mem_end_stk[i] = INVALID_STACK_INDEX; - } #endif /* USE_SUBEXP_CALL */ + { + OnigStackIndex *pp = mem_start_stk; + for (; pp < (repeat_stk + n); pp+=2) { + pp[0] = INVALID_STACK_INDEX; + pp[1] = INVALID_STACK_INDEX; + } + } #ifdef ONIG_DEBUG_MATCH fprintf(stderr, "match_at: str: %"PRIdPTR" (%p), end: %"PRIdPTR" (%p), start: %"PRIdPTR" (%p), sprev: %"PRIdPTR" (%p)\n", -- cgit v1.2.3