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improved check for loop

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This commit is contained in:
ceriel 1989-10-30 15:17:01 +00:00
parent 64c2ad3838
commit 67e5a8e7a5
1 changed files with 2 additions and 1 deletions
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3
util/opt/peephole.c
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@ -642,10 +642,11 @@ basicblock(alpp) line_p *alpp; {
} }
if (lpp == next) { if (lpp == next) {
count++; count++;
if (count > 100) { if (count > 1000) {
/* probably loop in table */ /* probably loop in table */
fprintf(stderr, "Warning: possible loop in patterns; call an expert\n"); fprintf(stderr, "Warning: possible loop in patterns; call an expert\n");
next = &((*lpp)->l_next); next = &((*lpp)->l_next);
count = 0;
} }
} }
else count = 0; else count = 0;