Paper over problem with -frename-registers; Provide help for options
From-SVN: r37661
This commit is contained in:
parent
5789a524a6
commit
fb0b2546c2
|
@ -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)
|
Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
|
||||||
|
|
||||||
* pa.c (hppa_encode_label): Account for addition of encoding
|
* pa.c (hppa_encode_label): Account for addition of encoding
|
||||||
|
|
|
@ -419,37 +419,60 @@ extern int target_flags;
|
||||||
`target_flags'. Its definition is an initializer with a subgrouping for
|
`target_flags'. Its definition is an initializer with a subgrouping for
|
||||||
each command option.
|
each command option.
|
||||||
|
|
||||||
Each subgrouping contains a string constant, that defines the option name,
|
Each subgrouping contains a string constant, that defines the option name, a
|
||||||
and a number, which contains the bits to set in `target_flags'. A negative
|
number, which contains the bits to set in `target_flags', and a second
|
||||||
number says to clear bits instead; the negative of the number is which bits
|
string which is the description displayed by `--help'. If the number is
|
||||||
to clear. The actual option name is made by appending `-m' to the specified
|
negative then the bits specified by the number are cleared instead of being
|
||||||
name.
|
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
|
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.
|
starting with that value.
|
||||||
|
|
||||||
Here is an example which defines `-m68000' and `-m68020' with opposite
|
Here is an example which defines -m68000 and -m68020 with opposite meanings,
|
||||||
meanings, and picks the latter as the default:
|
and picks the latter as the default:
|
||||||
|
|
||||||
#define TARGET_SWITCHES \
|
#define TARGET_SWITCHES \
|
||||||
{ { "68020", 1}, \
|
{ { "68020", TARGET_MASK_68020, "" }, \
|
||||||
{ "68000", -1}, \
|
{ "68000", -TARGET_MASK_68020, "Compile for the 68000" }, \
|
||||||
{ "", 1}} */
|
{ "", TARGET_MASK_68020, "" }} */
|
||||||
|
|
||||||
#define TARGET_SWITCHES \
|
#define TARGET_SWITCHES \
|
||||||
{ \
|
{ \
|
||||||
{ "cond-move", -MASK_NO_COND_MOVE }, \
|
{ "cond-move", -MASK_NO_COND_MOVE, \
|
||||||
{ "no-cond-move", MASK_NO_COND_MOVE }, \
|
N_("Enable use of conditional move instructions") }, \
|
||||||
{ "debug-arg", MASK_DEBUG_ARG }, \
|
\
|
||||||
{ "debug-stack", MASK_DEBUG_STACK }, \
|
{ "no-cond-move", MASK_NO_COND_MOVE, \
|
||||||
{ "debug-addr", MASK_DEBUG_ADDR }, \
|
N_("Disable use of conditional move instructions") }, \
|
||||||
{ "asm-optimize", 0 }, \
|
\
|
||||||
{ "no-asm-optimize", 0 }, \
|
{ "debug-arg", MASK_DEBUG_ARG, \
|
||||||
{ "extmem", 0 }, \
|
N_("Debug argument support in compiler") }, \
|
||||||
{ "extmemory", 0 }, \
|
\
|
||||||
{ "onchip", 0 }, \
|
{ "debug-stack", MASK_DEBUG_STACK, \
|
||||||
{ "", TARGET_DEFAULT }, \
|
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
|
/* 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.
|
subgrouping for each command option.
|
||||||
|
|
||||||
Each subgrouping contains a string constant, that defines the fixed part of
|
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
|
the option name, the address of a variable, and a description string. The
|
||||||
*', is set to the variable part of the given option if the fixed part
|
variable, type `char *', is set to the variable part of the given option if
|
||||||
matches. The actual option name is made by appending `-m' to the specified
|
the fixed part matches. The actual option name is made by appending `-m' to
|
||||||
name.
|
the specified name.
|
||||||
|
|
||||||
Here is an example which defines `-mshort-data-NUMBER'. If the given option
|
Here is an example which defines `-mshort-data-<number>'. If the given
|
||||||
is `-mshort-data-512', the variable `m88k_short_data' will be set to the
|
option is `-mshort-data-512', the variable `m88k_short_data' will be set to
|
||||||
string `"512"'.
|
the string "512".
|
||||||
|
|
||||||
extern char *m88k_short_data;
|
extern char *m88k_short_data;
|
||||||
#define TARGET_OPTIONS \
|
#define TARGET_OPTIONS \
|
||||||
{ { "short-data-", &m88k_short_data } } */
|
{ { "short-data-", &m88k_short_data, \
|
||||||
|
"Specify the size of the short data section" } } */
|
||||||
|
|
||||||
#define TARGET_OPTIONS \
|
#define TARGET_OPTIONS \
|
||||||
{ \
|
{ \
|
||||||
{"branch-cost=", &d30v_branch_cost_string}, \
|
{"branch-cost=", &d30v_branch_cost_string, \
|
||||||
{"cond-exec=", &d30v_cond_exec_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
|
/* 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
|
*Do not examine `write_symbols' in this macro!* The debugging options are
|
||||||
*not supposed to alter the generated code. */
|
*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
|
/* Define this macro if debugging can be performed even without a frame
|
||||||
pointer. If this macro is defined, GNU CC will turn on the
|
pointer. If this macro is defined, GNU CC will turn on the
|
||||||
|
|
Loading…
Reference in New Issue