From 340d3a7083334c4d8f7caa027bee09b32bf72e20 Mon Sep 17 00:00:00 2001 From: dj Date: Thu, 23 Dec 2004 20:21:08 +0000 Subject: [PATCH] * genrecog.c (did_you_mean_codes): New. (compute_predicate_codes): Fail unmatched codes. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@92565 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 5 +++++ gcc/genrecog.c | 19 +++++++++++++++++++ 2 files changed, 24 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 287eb53f1b4..9f8e174b30d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-12-23 DJ Delorie + + * genrecog.c (did_you_mean_codes): New. + (compute_predicate_codes): Fail unmatched codes. + 2004-12-23 Eric Christopher * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add diff --git a/gcc/genrecog.c b/gcc/genrecog.c index 64cd905b0ca..2936f80afc7 100644 --- a/gcc/genrecog.c +++ b/gcc/genrecog.c @@ -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; -- 2.11.4.GIT