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genrecog.c (did_you_mean_codes): New. 

* genrecog.c (did_you_mean_codes): New.
(compute_predicate_codes): Fail unmatched codes.

From-SVN: r92565
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DJ Delorie 2004-12-23 15:21:08 -05:00 committed by DJ Delorie
parent aae4a27747
commit 603b6b8892
2 changed files with 24 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2004-12-23 DJ Delorie <dj@redhat.com>
* genrecog.c (did_you_mean_codes): New.
(compute_predicate_codes): Fail unmatched codes.
2004-12-23 Eric Christopher <echristo@redhat.com>
* config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add

19
gcc/genrecog.c
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@ -226,6 +226,9 @@ static int error_count;
#define TRISTATE_NOT(a) \
((a) == I ? I : !(a))
/* 0 means no warning about that code yet, 1 means warned. */
static char did_you_mean_codes[NUM_RTX_CODE];
/* Recursively calculate the set of rtx codes accepted by the
predicate expression EXP, writing the result to CODES. */
static void
@ -285,14 +288,30 @@ compute_predicate_codes (rtx exp, char codes[NUM_RTX_CODE])
while ((code = scan_comma_elt (&next_code)) != 0)
{
size_t n = next_code - code;
int found_it = 0;
for (i = 0; i < NUM_RTX_CODE; i++)
if (!strncmp (code, GET_RTX_NAME (i), n)
&& GET_RTX_NAME (i)[n] == '\0')
{
codes[i] = Y;
found_it = 1;
break;
}
if (!found_it)
{
message_with_line (pattern_lineno, "match_code \"%.*s\" matches nothing", n, code);
error_count ++;
for (i = 0; i < NUM_RTX_CODE; i++)
if (!strncasecmp (code, GET_RTX_NAME (i), n)
&& GET_RTX_NAME (i)[n] == '\0'
&& !did_you_mean_codes[i])
{
did_you_mean_codes[i] = 1;
message_with_line (pattern_lineno, "(did you mean \"%s\"?)", GET_RTX_NAME (i));
}
}
}
}
break;