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riscv-gcc-1
Commit 1e193337 by Richard Henderson Committed by Richard Henderson
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* genrecog.c (write_switch): Check for duplicate CODE cases. 

From-SVN: r30276
parent cb2ec151
Showing with 10 additions and 2 deletions
gcc/ChangeLog
Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
* genrecog.c (write_switch): Check for duplicate CODE cases.
Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
* ggc-common.c: Update pre-function commentary.
......
gcc/genrecog.c
......@@ -1695,13 +1695,14 @@ write_switch (start, depth)
{
char codemap[NUM_RTX_CODE];
struct decision *ret;
RTX_CODE code;
memset (codemap, 0, sizeof(codemap));
printf (" switch (GET_CODE (x%d))\n {\n", depth);
code = p->tests->u.code;
do
{
RTX_CODE code = p->tests->u.code;
printf (" case ");
print_code (code);
printf (":\n goto L%d;\n", p->success.first->number);
......@@ -1710,7 +1711,10 @@ write_switch (start, depth)
codemap[code] = 1;
p = p->next;
}
while (p && p->tests->type == DT_code && !p->tests->next);
while (p
&& ! p->tests->next
&& p->tests->type == DT_code
&& ! codemap[code = p->tests->u.code]);
/* If P is testing a predicate that we know about and we haven't
seen any of the codes that are valid for the predicate, we can
......
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