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| author | Georg-Johann Lay <avr@gjlay.de> | 2011-02-27 12:23:14 +0000 |
|---|---|---|
| committer | Denis Chertykov <denisc@gcc.gnu.org> | 2011-02-27 15:23:14 +0300 |
| commit | 593fca4be8f07373eeb4b54225f3ec35724bdbe9 (patch) | |
| tree | 2ed1955f9cd6da44574b9e4b934e64497fec9a3e | |
| parent | 113a53c14290fae0b8769675cc1dff8d0140c54f (diff) | |
| download | gcc-593fca4be8f07373eeb4b54225f3ec35724bdbe9.zip gcc-593fca4be8f07373eeb4b54225f3ec35724bdbe9.tar.gz gcc-593fca4be8f07373eeb4b54225f3ec35724bdbe9.tar.bz2 | |
re PR target/45261 (Doesn't indicate failure status when it doesn't support (attiny2313A))
2011-02-23 Georg-Johann Lay <avr@gjlay.de>
PR target/45261
* config/avr/avr.c (avr_option_override): Use error on bad options.
(avr_help): New function.
(TARGET_HELP): Define.
From-SVN: r170536
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/avr/avr.c | 46 |
2 files changed, 49 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 88d3edd..1d6f9a5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2011-02-23 Georg-Johann Lay <avr@gjlay.de> + + PR target/45261 + * config/avr/avr.c (avr_option_override): Use error on bad options. + (avr_help): New function. + (TARGET_HELP): Define. + 2011-02-22 Georg-Johann Lay <avr@gjlay.de> PR target/42240 diff --git a/gcc/config/avr/avr.c b/gcc/config/avr/avr.c index c6f60b4..465de46 100644 --- a/gcc/config/avr/avr.c +++ b/gcc/config/avr/avr.c @@ -97,6 +97,7 @@ static rtx avr_function_arg (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool); static void avr_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool); +static void avr_help (void); /* Allocate registers from r25 to r8 for parameters for function calls. */ #define FIRST_CUM_REG 26 @@ -221,6 +222,9 @@ static const struct default_options avr_option_optimization_table[] = #undef TARGET_CANNOT_MODIFY_JUMPS_P #define TARGET_CANNOT_MODIFY_JUMPS_P avr_cannot_modify_jumps_p +#undef TARGET_HELP +#define TARGET_HELP avr_help + struct gcc_target targetm = TARGET_INITIALIZER; static void @@ -236,10 +240,8 @@ avr_option_override (void) if (!t->name) { - fprintf (stderr, "unknown MCU '%s' specified\nKnown MCU names:\n", - avr_mcu_name); - for (t = avr_mcu_types; t->name; t++) - fprintf (stderr," %s\n", t->name); + error ("unrecognized argument to -mmcu= option: %qs", avr_mcu_name); + inform (input_location, "See --target-help for supported MCUs"); } avr_current_device = t; @@ -252,6 +254,42 @@ avr_option_override (void) init_machine_status = avr_init_machine_status; } +/* Implement TARGET_HELP */ +/* Report extra information for --target-help */ + +static void +avr_help (void) +{ + const struct mcu_type_s *t; + const char * const indent = " "; + int len; + + /* Give a list of MCUs that are accepted by -mmcu=* . + Note that MCUs supported by the compiler might differ from + MCUs supported by binutils. */ + + len = strlen (indent); + printf ("Known MCU names:\n%s", indent); + + /* Print a blank-separated list of all supported MCUs */ + + for (t = avr_mcu_types; t->name; t++) + { + printf ("%s ", t->name); + len += 1 + strlen (t->name); + + /* Break long lines */ + + if (len > 66 && (t+1)->name) + { + printf ("\n%s", indent); + len = strlen (indent); + } + } + + printf ("\n\n"); +} + /* return register class from register number. */ static const enum reg_class reg_class_tab[]={ |