Do not parse meaningless fno-... options.

This affects:
- showing the help text
- enabling floating points models

diff --git a/main.c b/main.c
index 2649b76..5bf4bb8 100644 (file)
--- a/main.c
+++ b/main.c
@@ -1058,6 +1058,16 @@ int main(int argc, char **argv)
                                        }
                                } else if (strstart(orig_opt, "message-length=")) {
                                        /* ignore: would only affect error message format */
+                               } else if (strstart(orig_opt, "fast-math") ||
+                                          strstart(orig_opt, "fp-fast")) {
+                                       firm_fp_model = fp_model_fast;
+                               } else if (strstart(orig_opt, "fp-precise")) {
+                                       firm_fp_model = fp_model_precise;
+                               } else if (strstart(orig_opt, "fp-strict")) {
+                                       firm_fp_model = fp_model_strict;
+                               } else if (streq(opt, "help")) {
+                                       fprintf(stderr, "warning: -fhelp is deprecated\n");
+                                       help |= HELP_OPTIMIZATION;
                                } else {
                                        /* -f options which have an -fno- variant */
                                        char const *opt         = orig_opt;
@@ -1103,12 +1113,6 @@ int main(int argc, char **argv)
                                             * anyway was deactivated */
                                        } else if (streq(opt, "verbose-asm")) {
                                                /* ignore: we always print verbose assembler */
-                                       } else if (streq(opt, "fast-math") || streq(opt, "fp-fast")) {
-                                               firm_fp_model = fp_model_fast;
-                                       } else if (streq(opt, "fp-precise")) {
-                                               firm_fp_model = fp_model_precise;
-                                       } else if (streq(opt, "fp-strict")) {
-                                               firm_fp_model = fp_model_strict;
                                        } else if (streq(opt, "jump-tables")             ||
                                                   streq(opt, "expensive-optimizations") ||
                                                   streq(opt, "common")                  ||
@@ -1118,9 +1122,6 @@ int main(int argc, char **argv)
                                                   streq(opt, "align-functions")         ||
                                                   streq(opt, "PIC")) {
                                                fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt);
-                                       } else if (streq(opt, "help")) {
-                                               fprintf(stderr, "warning: -fhelp is deprecated\n");
-                                               help |= HELP_OPTIMIZATION;
                                        } else {
                                                int res = firm_option(orig_opt);
                                                if (res == 0) {