diff options
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/d30v/d30v.h | 105 |
2 files changed, 76 insertions, 36 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1f7a785..5b54a90 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2000-11-22 Michael Meissner <meissner@redhat.com> + + * d30v.h (TARGET_SWITCHES): Add documentation strings. + (TARGET_OPTIONS): Ditto. + (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if + -O3. + Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com) * pa.c (hppa_encode_label): Account for addition of encoding diff --git a/gcc/config/d30v/d30v.h b/gcc/config/d30v/d30v.h index e6e1eee..ef9ecd9 100644 --- a/gcc/config/d30v/d30v.h +++ b/gcc/config/d30v/d30v.h @@ -419,37 +419,60 @@ extern int target_flags; `target_flags'. Its definition is an initializer with a subgrouping for each command option. - Each subgrouping contains a string constant, that defines the option name, - and a number, which contains the bits to set in `target_flags'. A negative - number says to clear bits instead; the negative of the number is which bits - to clear. The actual option name is made by appending `-m' to the specified - name. + Each subgrouping contains a string constant, that defines the option name, a + number, which contains the bits to set in `target_flags', and a second + string which is the description displayed by `--help'. If the number is + negative then the bits specified by the number are cleared instead of being + set. If the description string is present but empty, then no help + information will be displayed for that option, but it will not count as an + undocumented option. The actual option name is made by appending `-m' to + the specified name. One of the subgroupings should have a null string. The number in this - grouping is the default value for `target_flags'. Any target options act + grouping is the default value for target_flags. Any target options act starting with that value. - Here is an example which defines `-m68000' and `-m68020' with opposite - meanings, and picks the latter as the default: + Here is an example which defines -m68000 and -m68020 with opposite meanings, + and picks the latter as the default: - #define TARGET_SWITCHES \ - { { "68020", 1}, \ - { "68000", -1}, \ - { "", 1}} */ + #define TARGET_SWITCHES \ + { { "68020", TARGET_MASK_68020, "" }, \ + { "68000", -TARGET_MASK_68020, "Compile for the 68000" }, \ + { "", TARGET_MASK_68020, "" }} */ #define TARGET_SWITCHES \ { \ - { "cond-move", -MASK_NO_COND_MOVE }, \ - { "no-cond-move", MASK_NO_COND_MOVE }, \ - { "debug-arg", MASK_DEBUG_ARG }, \ - { "debug-stack", MASK_DEBUG_STACK }, \ - { "debug-addr", MASK_DEBUG_ADDR }, \ - { "asm-optimize", 0 }, \ - { "no-asm-optimize", 0 }, \ - { "extmem", 0 }, \ - { "extmemory", 0 }, \ - { "onchip", 0 }, \ - { "", TARGET_DEFAULT }, \ + { "cond-move", -MASK_NO_COND_MOVE, \ + N_("Enable use of conditional move instructions") }, \ + \ + { "no-cond-move", MASK_NO_COND_MOVE, \ + N_("Disable use of conditional move instructions") }, \ + \ + { "debug-arg", MASK_DEBUG_ARG, \ + N_("Debug argument support in compiler") }, \ + \ + { "debug-stack", MASK_DEBUG_STACK, \ + N_("Debug stack support in compiler") }, \ + \ + { "debug-addr", MASK_DEBUG_ADDR, \ + N_("Debug memory address support in compiler") }, \ + \ + { "asm-optimize", 0, \ + N_("Make adjacent short instructions parallel if possible.") }, \ + \ + { "no-asm-optimize", 0, \ + N_("Do not make adjacent short instructions parallel.") }, \ + \ + { "extmem", 0, \ + N_("Link programs/data to be in external memory by default") }, \ + \ + { "extmemory", 0, \ + N_("Link programs/data to be in external memory by default") }, \ + \ + { "onchip", 0, \ + N_("Link programs/data to be in onchip memory by default") }, \ + \ + { "", TARGET_DEFAULT, "" }, \ } /* This macro is similar to `TARGET_SWITCHES' but defines names of command @@ -457,23 +480,27 @@ extern int target_flags; subgrouping for each command option. Each subgrouping contains a string constant, that defines the fixed part of - the option name, and the address of a variable. The variable, type `char - *', is set to the variable part of the given option if the fixed part - matches. The actual option name is made by appending `-m' to the specified - name. + the option name, the address of a variable, and a description string. The + variable, type `char *', is set to the variable part of the given option if + the fixed part matches. The actual option name is made by appending `-m' to + the specified name. - Here is an example which defines `-mshort-data-NUMBER'. If the given option - is `-mshort-data-512', the variable `m88k_short_data' will be set to the - string `"512"'. + Here is an example which defines `-mshort-data-<number>'. If the given + option is `-mshort-data-512', the variable `m88k_short_data' will be set to + the string "512". - extern char *m88k_short_data; - #define TARGET_OPTIONS \ - { { "short-data-", &m88k_short_data } } */ + extern char *m88k_short_data; + #define TARGET_OPTIONS \ + { { "short-data-", &m88k_short_data, \ + "Specify the size of the short data section" } } */ #define TARGET_OPTIONS \ { \ - {"branch-cost=", &d30v_branch_cost_string}, \ - {"cond-exec=", &d30v_cond_exec_string}, \ + {"branch-cost=", &d30v_branch_cost_string, \ + N_("Change the branch costs within the compiler") }, \ + \ + {"cond-exec=", &d30v_cond_exec_string, \ + N_("Change the threshold for conversion to conditional execution") }, \ } /* This macro is a C statement to print on `stderr' a string describing the @@ -517,7 +544,13 @@ extern int target_flags; *Do not examine `write_symbols' in this macro!* The debugging options are *not supposed to alter the generated code. */ -/* #define OPTIMIZATION_OPTIONS(LEVEL,SIZE) */ + +/* -frename-registers seems to abort on d30v, turn off until fixed. */ +#define OPTIMIZATION_OPTIONS(LEVEL,SIZE) \ +do { \ + if (LEVEL >= 3) \ + flag_rename_registers = 0; \ +} while (0) /* Define this macro if debugging can be performed even without a frame pointer. If this macro is defined, GNU CC will turn on the |