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-rw-r--r--gcc/ChangeLog17
-rw-r--r--gcc/config/alpha/alpha.h14
-rw-r--r--gcc/config/arc/arc.h10
-rw-r--r--gcc/config/avr/avr.h4
-rw-r--r--gcc/config/c4x/c4x.h4
-rw-r--r--gcc/config/cris/aout.h2
-rw-r--r--gcc/config/cris/cris.h10
-rw-r--r--gcc/config/d30v/d30v.h4
-rw-r--r--gcc/config/dsp16xx/dsp16xx.h10
-rw-r--r--gcc/config/frv/frv.h14
-rw-r--r--gcc/config/i386/i386.h28
-rw-r--r--gcc/config/ia64/ia64.h6
-rw-r--r--gcc/config/m32r/m32r.h4
-rw-r--r--gcc/config/m68hc11/m68hc11.h4
-rw-r--r--gcc/config/m68k/m68k.h6
-rw-r--r--gcc/config/m88k/m88k.h4
-rw-r--r--gcc/config/mcore/mcore.h2
-rw-r--r--gcc/config/mips/mips.h16
-rw-r--r--gcc/config/mmix/mmix.h4
-rw-r--r--gcc/config/pa/pa.h4
-rw-r--r--gcc/config/rs6000/rs6000.h26
-rw-r--r--gcc/config/rs6000/sysv4.h6
-rw-r--r--gcc/config/s390/s390.h4
-rw-r--r--gcc/config/sparc/sparc.h6
-rw-r--r--gcc/config/v850/v850.h12
-rw-r--r--gcc/doc/tm.texi62
-rw-r--r--gcc/toplev.c18
27 files changed, 185 insertions, 116 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ff7bf20500b..71135aeb688 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,20 @@
+2003-04-17 DJ Delorie <dj@redhat.com>
+
+ * toplev.c (target_options): Add value field.
+ (set_target_switch): Handle target options with values.
+ * doc/tm.texi: Document how fixed vs variable target
+ options work.
+ * config/alpha/alpha.h, config/arc/arc.h, config/avr/avr.h,
+ config/c4x/c4x.h, config/cris/aout.h, config/cris/cris.h,
+ config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
+ config/frv/frv.h, config/i386/i386.h, config/ia64/ia64.h,
+ config/m32r/m32r.h, config/m68hc11/m68hc11.h,
+ config/m68k/m68k.h, config/m88k/m88k.h, config/mcore/mcore.h,
+ config/mips/mips.h, config/mmix/mmix.h, config/pa/pa.h,
+ config/rs6000/rs6000.h, config/rs6000/sysv4.h,
+ config/s390/s390.h, config/sparc/sparc.h, config/v850/v850.h:
+ Add value initializer to target options.
+
2003-04-07 Loren James Rittle <ljrittle@acm.org>
* cpppch.c (cpp_valid_state): Unconditionally initialize nl.
diff --git a/gcc/config/alpha/alpha.h b/gcc/config/alpha/alpha.h
index e20d3c80736..32453cf1351 100644
--- a/gcc/config/alpha/alpha.h
+++ b/gcc/config/alpha/alpha.h
@@ -350,19 +350,19 @@ extern const char *alpha_tls_size_string; /* For -mtls-size= */
#define TARGET_OPTIONS \
{ \
{"cpu=", &alpha_cpu_string, \
- N_("Use features of and schedule given CPU")}, \
+ N_("Use features of and schedule given CPU"), 0}, \
{"tune=", &alpha_tune_string, \
- N_("Schedule given CPU")}, \
+ N_("Schedule given CPU"), 0}, \
{"fp-rounding-mode=", &alpha_fprm_string, \
- N_("Control the generated fp rounding mode")}, \
+ N_("Control the generated fp rounding mode"), 0}, \
{"fp-trap-mode=", &alpha_fptm_string, \
- N_("Control the IEEE trap mode")}, \
+ N_("Control the IEEE trap mode"), 0}, \
{"trap-precision=", &alpha_tp_string, \
- N_("Control the precision given to fp exceptions")}, \
+ N_("Control the precision given to fp exceptions"), 0}, \
{"memory-latency=", &alpha_mlat_string, \
- N_("Tune expected memory latency")}, \
+ N_("Tune expected memory latency"), 0}, \
{"tls-size=", &alpha_tls_size_string, \
- N_("Specify bit size of immediate TLS offsets")}, \
+ N_("Specify bit size of immediate TLS offsets"), 0}, \
}
/* This macro defines names of additional specifications to put in the
diff --git a/gcc/config/arc/arc.h b/gcc/config/arc/arc.h
index 4282f55ecc9..62c221dd863 100644
--- a/gcc/config/arc/arc.h
+++ b/gcc/config/arc/arc.h
@@ -138,11 +138,11 @@ extern const char *arc_cpu_string;
extern const char *arc_text_string,*arc_data_string,*arc_rodata_string;
#define TARGET_OPTIONS \
-{ \
- { "cpu=", &arc_cpu_string }, \
- { "text=", &arc_text_string }, \
- { "data=", &arc_data_string }, \
- { "rodata=", &arc_rodata_string }, \
+{ \
+ { "cpu=", &arc_cpu_string, 0}, \
+ { "text=", &arc_text_string, 0}, \
+ { "data=", &arc_data_string, 0}, \
+ { "rodata=", &arc_rodata_string, 0}, \
}
/* Which cpu we're compiling for. */
diff --git a/gcc/config/avr/avr.h b/gcc/config/avr/avr.h
index 77bcd3807ac..5ee4cd1b59a 100644
--- a/gcc/config/avr/avr.h
+++ b/gcc/config/avr/avr.h
@@ -105,8 +105,8 @@ extern int avr_asm_only_p;
#define AVR_ENHANCED (avr_enhanced_p)
#define TARGET_OPTIONS { \
- { "init-stack=", &avr_init_stack, N_("Specify the initial stack address") }, \
- { "mcu=", &avr_mcu_name, N_("Specify the MCU name") } }
+ { "init-stack=", &avr_init_stack, N_("Specify the initial stack address"), 0}, \
+ { "mcu=", &avr_mcu_name, N_("Specify the MCU name"), 0} }
#define TARGET_VERSION fprintf (stderr, " (GNU assembler syntax)");
/* This macro is a C statement to print on `stderr' a string
diff --git a/gcc/config/c4x/c4x.h b/gcc/config/c4x/c4x.h
index 4da3847a51e..e414a241342 100644
--- a/gcc/config/c4x/c4x.h
+++ b/gcc/config/c4x/c4x.h
@@ -328,9 +328,9 @@ extern const char *c4x_rpts_cycles_string, *c4x_cpu_version_string;
#define TARGET_OPTIONS \
{ {"rpts=", &c4x_rpts_cycles_string, \
- N_("Specify maximum number of iterations for RPTS") }, \
+ N_("Specify maximum number of iterations for RPTS"), 0}, \
{"cpu=", &c4x_cpu_version_string, \
- N_("Select CPU to generate code for") } }
+ N_("Select CPU to generate code for"), 0} }
/* Sometimes certain combinations of command options do not make sense
on a particular target machine. You can define a macro
diff --git a/gcc/config/cris/aout.h b/gcc/config/cris/aout.h
index 1c925f93bcf..9939dbac54f 100644
--- a/gcc/config/cris/aout.h
+++ b/gcc/config/cris/aout.h
@@ -112,7 +112,7 @@ Boston, MA 02111-1307, USA. */
#undef CRIS_SUBTARGET_LONG_OPTIONS
#define CRIS_SUBTARGET_LONG_OPTIONS \
{"elinux-stacksize=", &cris_elinux_stacksize_str, \
- N_("For elinux, request a specified stack-size for this program")}, \
+ N_("For elinux, request a specified stack-size for this program"), 0}, \
#undef CRIS_SUBTARGET_VERSION
#define CRIS_SUBTARGET_VERSION " - a.out"
diff --git a/gcc/config/cris/cris.h b/gcc/config/cris/cris.h
index 98a27a643b3..fceee0fbbb3 100644
--- a/gcc/config/cris/cris.h
+++ b/gcc/config/cris/cris.h
@@ -427,15 +427,15 @@ extern int target_flags;
#define TARGET_HAS_MUL_INSNS (cris_cpu_version >= CRIS_CPU_NG)
#define TARGET_OPTIONS \
- {{"cpu=", &cris_cpu_str, ""}, \
+ {{"cpu=", &cris_cpu_str, "", 0}, \
{"arch=", &cris_cpu_str, \
- N_("Generate code for the specified chip or CPU version")}, \
+ N_("Generate code for the specified chip or CPU version"), 0}, \
{"tune=", &cris_tune_str, \
- N_("Tune alignment for the specified chip or CPU version")}, \
+ N_("Tune alignment for the specified chip or CPU version"), 0}, \
{"max-stackframe=", &cris_max_stackframe_str, \
- N_("Warn when a stackframe is larger than the specified size")}, \
+ N_("Warn when a stackframe is larger than the specified size"), 0}, \
CRIS_SUBTARGET_LONG_OPTIONS \
- {"ax-stackframe=", &cris_max_stackframe_str, ""}}
+ {"ax-stackframe=", &cris_max_stackframe_str, "", 0} }
#define CRIS_SUBTARGET_LONG_OPTIONS
diff --git a/gcc/config/d30v/d30v.h b/gcc/config/d30v/d30v.h
index d6a0b422786..aa113d7cbcc 100644
--- a/gcc/config/d30v/d30v.h
+++ b/gcc/config/d30v/d30v.h
@@ -146,10 +146,10 @@ extern int target_flags;
#define TARGET_OPTIONS \
{ \
{"branch-cost=", &d30v_branch_cost_string, \
- N_("Change the branch costs within the compiler") }, \
+ N_("Change the branch costs within the compiler"), 0}, \
\
{"cond-exec=", &d30v_cond_exec_string, \
- N_("Change the threshold for conversion to conditional execution") }, \
+ N_("Change the threshold for conversion to conditional execution"), 0}, \
}
#define TARGET_VERSION fprintf (stderr, " d30v")
diff --git a/gcc/config/dsp16xx/dsp16xx.h b/gcc/config/dsp16xx/dsp16xx.h
index 3a60aea7a0b..9e22afbf438 100644
--- a/gcc/config/dsp16xx/dsp16xx.h
+++ b/gcc/config/dsp16xx/dsp16xx.h
@@ -269,15 +269,15 @@ extern int target_flags;
#define TARGET_OPTIONS \
{ \
{ "text=", &text_seg_name, \
- N_("Specify alternate name for text section") }, \
+ N_("Specify alternate name for text section"), 0}, \
{ "data=", &data_seg_name, \
- N_("Specify alternate name for data section") }, \
+ N_("Specify alternate name for data section"), 0}, \
{ "bss=", &bss_seg_name, \
- N_("Specify alternate name for bss section") }, \
+ N_("Specify alternate name for bss section"), 0}, \
{ "const=", &const_seg_name, \
- N_("Specify alternate name for constant section") }, \
+ N_("Specify alternate name for constant section"), 0}, \
{ "chip=", &chip_name, \
- N_("Specify alternate name for dsp16xx chip") }, \
+ N_("Specify alternate name for dsp16xx chip"), 0}, \
}
/* Sometimes certain combinations of command options do not make sense
diff --git a/gcc/config/frv/frv.h b/gcc/config/frv/frv.h
index ed40dfb30f5..56d3ec4508b 100644
--- a/gcc/config/frv/frv.h
+++ b/gcc/config/frv/frv.h
@@ -486,13 +486,13 @@ extern int target_flags;
"Specify the size of the short data section" } }
This declaration is optional. */
-#define TARGET_OPTIONS \
-{ \
- { "cpu=", &frv_cpu_string, "Set cpu type" }, \
- { "branch-cost=", &frv_branch_cost_string, "Internal debug switch" }, \
- { "cond-exec-insns=", &frv_condexec_insns_str, "Internal debug switch" }, \
- { "cond-exec-temps=", &frv_condexec_temps_str, "Internal debug switch" }, \
- { "sched-lookahead=", &frv_sched_lookahead_str,"Internal debug switch" }, \
+#define TARGET_OPTIONS \
+{ \
+ { "cpu=", &frv_cpu_string, "Set cpu type", 0}, \
+ { "branch-cost=", &frv_branch_cost_string, "Internal debug switch", 0}, \
+ { "cond-exec-insns=", &frv_condexec_insns_str, "Internal debug switch", 0}, \
+ { "cond-exec-temps=", &frv_condexec_temps_str, "Internal debug switch", 0}, \
+ { "sched-lookahead=", &frv_sched_lookahead_str,"Internal debug switch", 0}, \
}
/* This macro is a C statement to print on `stderr' a string describing the
diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h
index fed00089e74..7c43c6b1f9a 100644
--- a/gcc/config/i386/i386.h
+++ b/gcc/config/i386/i386.h
@@ -433,34 +433,34 @@ extern int x86_prefetch_sse;
by appending `-m' to the specified name. */
#define TARGET_OPTIONS \
{ { "tune=", &ix86_tune_string, \
- N_("Schedule code for given CPU")}, \
+ N_("Schedule code for given CPU"), 0}, \
{ "fpmath=", &ix86_fpmath_string, \
- N_("Generate floating point mathematics using given instruction set")},\
+ N_("Generate floating point mathematics using given instruction set"), 0},\
{ "arch=", &ix86_arch_string, \
- N_("Generate code for given CPU")}, \
+ N_("Generate code for given CPU"), 0}, \
{ "regparm=", &ix86_regparm_string, \
- N_("Number of registers used to pass integer arguments") }, \
+ N_("Number of registers used to pass integer arguments"), 0},\
{ "align-loops=", &ix86_align_loops_string, \
- N_("Loop code aligned to this power of 2") }, \
+ N_("Loop code aligned to this power of 2"), 0}, \
{ "align-jumps=", &ix86_align_jumps_string, \
- N_("Jump targets are aligned to this power of 2") }, \
+ N_("Jump targets are aligned to this power of 2"), 0}, \
{ "align-functions=", &ix86_align_funcs_string, \
- N_("Function starts are aligned to this power of 2") }, \
+ N_("Function starts are aligned to this power of 2"), 0}, \
{ "preferred-stack-boundary=", \
&ix86_preferred_stack_boundary_string, \
- N_("Attempt to keep stack aligned to this power of 2") }, \
+ N_("Attempt to keep stack aligned to this power of 2"), 0}, \
{ "branch-cost=", &ix86_branch_cost_string, \
- N_("Branches are this expensive (1-5, arbitrary units)") }, \
+ N_("Branches are this expensive (1-5, arbitrary units)"), 0},\
{ "cmodel=", &ix86_cmodel_string, \
- N_("Use given x86-64 code model") }, \
+ N_("Use given x86-64 code model"), 0}, \
{ "debug-arg", &ix86_debug_arg_string, \
- "" /* Undocumented. */ }, \
+ "" /* Undocumented. */, 0}, \
{ "debug-addr", &ix86_debug_addr_string, \
- "" /* Undocumented. */ }, \
+ "" /* Undocumented. */, 0}, \
{ "asm=", &ix86_asm_string, \
- N_("Use given assembler dialect") }, \
+ N_("Use given assembler dialect"), 0}, \
{ "tls-dialect=", &ix86_tls_dialect_string, \
- N_("Use given thread-local storage dialect") }, \
+ N_("Use given thread-local storage dialect"), 0}, \
SUBTARGET_OPTIONS \
}
diff --git a/gcc/config/ia64/ia64.h b/gcc/config/ia64/ia64.h
index b6f86d10b62..1869e67646e 100644
--- a/gcc/config/ia64/ia64.h
+++ b/gcc/config/ia64/ia64.h
@@ -238,11 +238,11 @@ extern const char *ia64_tune_string;
#define TARGET_OPTIONS \
{ \
{ "fixed-range=", &ia64_fixed_range_string, \
- N_("Specify range of registers to make fixed")}, \
+ N_("Specify range of registers to make fixed"), 0}, \
{ "tls-size=", &ia64_tls_size_string, \
- N_("Specify bit size of immediate TLS offsets")}, \
+ N_("Specify bit size of immediate TLS offsets"), 0}, \
{ "tune=", &ia64_tune_string, \
- N_("Schedule code for given CPU")}, \
+ N_("Schedule code for given CPU"), 0}, \
}
/* Sometimes certain combinations of command options do not make sense on a
diff --git a/gcc/config/m32r/m32r.h b/gcc/config/m32r/m32r.h
index 0ce5737bd93..744eb94a02f 100644
--- a/gcc/config/m32r/m32r.h
+++ b/gcc/config/m32r/m32r.h
@@ -269,9 +269,9 @@ extern const char * m32r_sdata_string;
#define TARGET_OPTIONS \
{ \
{ "model=", & m32r_model_string, \
- N_("Code size: small, medium or large") }, \
+ N_("Code size: small, medium or large"), 0}, \
{ "sdata=", & m32r_sdata_string, \
- N_("Small data area: none, sdata, use") } \
+ N_("Small data area: none, sdata, use"), 0} \
SUBTARGET_OPTIONS \
}
diff --git a/gcc/config/m68hc11/m68hc11.h b/gcc/config/m68hc11/m68hc11.h
index a29f56d7005..0801972c176 100644
--- a/gcc/config/m68hc11/m68hc11.h
+++ b/gcc/config/m68hc11/m68hc11.h
@@ -218,9 +218,9 @@ extern short *reg_renumber; /* def in local_alloc.c */
by appending `-m' to the specified name. */
#define TARGET_OPTIONS \
{ { "reg-alloc=", &m68hc11_reg_alloc_order, \
- N_("Specify the register allocation order")}, \
+ N_("Specify the register allocation order"), 0}, \
{ "soft-reg-count=", &m68hc11_soft_reg_count, \
- N_("Indicate the number of soft registers available") }, \
+ N_("Indicate the number of soft registers available"), 0}, \
SUBTARGET_OPTIONS \
}
diff --git a/gcc/config/m68k/m68k.h b/gcc/config/m68k/m68k.h
index 3ba717b064c..42cabaf22af 100644
--- a/gcc/config/m68k/m68k.h
+++ b/gcc/config/m68k/m68k.h
@@ -260,11 +260,11 @@ extern int target_flags;
by appending `-m' to the specified name. */
#define TARGET_OPTIONS \
{ { "align-loops=", &m68k_align_loops_string, \
- N_("Loop code aligned to this power of 2") }, \
+ N_("Loop code aligned to this power of 2"), 0}, \
{ "align-jumps=", &m68k_align_jumps_string, \
- N_("Jump targets are aligned to this power of 2") }, \
+ N_("Jump targets are aligned to this power of 2"), 0}, \
{ "align-functions=", &m68k_align_funcs_string, \
- N_("Function starts are aligned to this power of 2") }, \
+ N_("Function starts are aligned to this power of 2"), 0}, \
SUBTARGET_OPTIONS \
}
diff --git a/gcc/config/m88k/m88k.h b/gcc/config/m88k/m88k.h
index 7cf036bbd9a..5ab1e8e408b 100644
--- a/gcc/config/m88k/m88k.h
+++ b/gcc/config/m88k/m88k.h
@@ -249,8 +249,8 @@ extern int flag_pic; /* -fpic */
/* Macro to define table for command options with values. */
-#define TARGET_OPTIONS { { "short-data-", &m88k_short_data }, \
- { "version-", &m88k_version } }
+#define TARGET_OPTIONS { { "short-data-", &m88k_short_data, 0}, \
+ { "version-", &m88k_version, 0} }
/* Do any checking or such that is needed after processing the -m switches. */
diff --git a/gcc/config/mcore/mcore.h b/gcc/config/mcore/mcore.h
index 84ef59fbeb0..b8dce6a4c39 100644
--- a/gcc/config/mcore/mcore.h
+++ b/gcc/config/mcore/mcore.h
@@ -176,7 +176,7 @@ extern const char * mcore_stack_increment_string;
#define TARGET_OPTIONS \
{ \
{"stack-increment=", & mcore_stack_increment_string, \
- N_("Maximum amount for a single stack increment operation")} \
+ N_("Maximum amount for a single stack increment operation"), 0} \
}
#ifndef CC1_SPEC
diff --git a/gcc/config/mips/mips.h b/gcc/config/mips/mips.h
index a52e7b67bcf..c56340e1e63 100644
--- a/gcc/config/mips/mips.h
+++ b/gcc/config/mips/mips.h
@@ -756,21 +756,21 @@ extern void sbss_section PARAMS ((void));
{ \
SUBTARGET_TARGET_OPTIONS \
{ "tune=", &mips_tune_string, \
- N_("Specify CPU for scheduling purposes")}, \
+ N_("Specify CPU for scheduling purposes"), 0}, \
{ "arch=", &mips_arch_string, \
- N_("Specify CPU for code generation purposes")}, \
+ N_("Specify CPU for code generation purposes"), 0}, \
{ "abi=", &mips_abi_string, \
- N_("Specify an ABI")}, \
+ N_("Specify an ABI"), 0}, \
{ "ips", &mips_isa_string, \
- N_("Specify a Standard MIPS ISA")}, \
+ N_("Specify a Standard MIPS ISA"), 0}, \
{ "entry", &mips_entry_string, \
- N_("Use mips16 entry/exit psuedo ops")}, \
+ N_("Use mips16 entry/exit psuedo ops"), 0}, \
{ "no-mips16", &mips_no_mips16_string, \
- N_("Don't use MIPS16 instructions")}, \
+ N_("Don't use MIPS16 instructions"), 0}, \
{ "no-flush-func", &mips_cache_flush_func, \
- N_("Don't call any cache flush functions")}, \
+ N_("Don't call any cache flush functions"), 0}, \
{ "flush-func=", &mips_cache_flush_func, \
- N_("Specify cache flush function")}, \
+ N_("Specify cache flush function"), 0}, \
}
/* This is meant to be redefined in the host dependent files. */
diff --git a/gcc/config/mmix/mmix.h b/gcc/config/mmix/mmix.h
index 976ceb0b639..3986b865eeb 100644
--- a/gcc/config/mmix/mmix.h
+++ b/gcc/config/mmix/mmix.h
@@ -129,9 +129,9 @@ extern const char *mmix_cc1_ignored_option;
#define TARGET_OPTIONS \
{{"set-program-start=", &mmix_cc1_ignored_option, \
- N_("Set start-address of the program") }, \
+ N_("Set start-address of the program"), 0}, \
{"set-data-start=", &mmix_cc1_ignored_option, \
- N_("Set start-address of data")}}
+ N_("Set start-address of data"), 0} }
/* FIXME: There's no provision for profiling here. */
#define STARTFILE_SPEC \
diff --git a/gcc/config/pa/pa.h b/gcc/config/pa/pa.h
index ff1e9182928..5dbfe57a7c6 100644
--- a/gcc/config/pa/pa.h
+++ b/gcc/config/pa/pa.h
@@ -307,9 +307,9 @@ extern int target_flags;
#define TARGET_OPTIONS \
{ \
{ "schedule=", &pa_cpu_string, \
- N_("Specify CPU for scheduling purposes") }, \
+ N_("Specify CPU for scheduling purposes"), 0}, \
{ "arch=", &pa_arch_string, \
- N_("Specify architecture for code generation. Values are 1.0, 1.1, and 2.0. 2.0 requires gas snapshot 19990413 or later.") }\
+ N_("Specify architecture for code generation. Values are 1.0, 1.1, and 2.0. 2.0 requires gas snapshot 19990413 or later."), 0}\
}
/* Specify the dialect of assembler to use. New mnemonics is dialect one
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h
index 3e343f687b4..b566619e7a9 100644
--- a/gcc/config/rs6000/rs6000.h
+++ b/gcc/config/rs6000/rs6000.h
@@ -376,26 +376,26 @@ extern enum processor_type rs6000_cpu;
#define TARGET_OPTIONS \
{ \
{"cpu=", &rs6000_select[1].string, \
- N_("Use features of and schedule code for given CPU") }, \
+ N_("Use features of and schedule code for given CPU"), 0}, \
{"tune=", &rs6000_select[2].string, \
- N_("Schedule code for given CPU") }, \
- {"debug=", &rs6000_debug_name, N_("Enable debug output") }, \
+ N_("Schedule code for given CPU"), 0}, \
+ {"debug=", &rs6000_debug_name, N_("Enable debug output"), 0}, \
{"traceback=", &rs6000_traceback_name, \
- N_("Select full, part, or no traceback table") }, \
- {"abi=", &rs6000_abi_string, N_("Specify ABI to use") }, \
+ N_("Select full, part, or no traceback table"), 0}, \
+ {"abi=", &rs6000_abi_string, N_("Specify ABI to use"), 0}, \
{"long-double-", &rs6000_long_double_size_string, \
- N_("Specify size of long double (64 or 128 bits)") }, \
+ N_("Specify size of long double (64 or 128 bits)"), 0}, \
{"isel=", &rs6000_isel_string, \
- N_("Specify yes/no if isel instructions should be generated") }, \
+ N_("Specify yes/no if isel instructions should be generated"), 0}, \
{"spe=", &rs6000_spe_string, \
- N_("Specify yes/no if SPE SIMD instructions should be generated") },\
+ N_("Specify yes/no if SPE SIMD instructions should be generated"), 0},\
{"float-gprs=", &rs6000_float_gprs_string, \
- N_("Specify yes/no if using floating point in the GPRs") }, \
- {"vrsave=", &rs6000_altivec_vrsave_string, \
- N_("Specify yes/no if VRSAVE instructions should be generated for AltiVec") }, \
+ N_("Specify yes/no if using floating point in the GPRs"), 0}, \
+ {"vrsave=", &rs6000_altivec_vrsave_string, \
+ N_("Specify yes/no if VRSAVE instructions should be generated for AltiVec"), 0}, \
{"longcall", &rs6000_longcall_switch, \
- N_("Avoid all range limits on call instructions") }, \
- {"no-longcall", &rs6000_longcall_switch, "" }, \
+ N_("Avoid all range limits on call instructions"), 0}, \
+ {"no-longcall", &rs6000_longcall_switch, "", 0}, \
SUBTARGET_OPTIONS \
}
diff --git a/gcc/config/rs6000/sysv4.h b/gcc/config/rs6000/sysv4.h
index 25fb0dbaeef..3e7d711942e 100644
--- a/gcc/config/rs6000/sysv4.h
+++ b/gcc/config/rs6000/sysv4.h
@@ -82,9 +82,9 @@ extern const char *rs6000_sdata_name;
/* Override rs6000.h definition. */
#undef SUBTARGET_OPTIONS
-#define SUBTARGET_OPTIONS \
- { "call-", &rs6000_abi_name, N_("Select ABI calling convention") }, \
- { "sdata=", &rs6000_sdata_name, N_("Select method for sdata handling") }
+#define SUBTARGET_OPTIONS \
+ { "call-", &rs6000_abi_name, N_("Select ABI calling convention"), 0}, \
+ { "sdata=", &rs6000_sdata_name, N_("Select method for sdata handling"), 0}
/* Max # of bytes for variables to automatically be put into the .sdata
or .sdata2 sections. */
diff --git a/gcc/config/s390/s390.h b/gcc/config/s390/s390.h
index 11926f927e8..b5f40554e0e 100644
--- a/gcc/config/s390/s390.h
+++ b/gcc/config/s390/s390.h
@@ -114,9 +114,9 @@ extern int target_flags;
#define TARGET_OPTIONS \
{ { "tune=", &s390_tune_string, \
- N_("Schedule code for given CPU")}, \
+ N_("Schedule code for given CPU"), 0}, \
{ "arch=", &s390_arch_string, \
- N_("Generate code for given CPU")}, \
+ N_("Generate code for given CPU"), 0}, \
}
/* Target version string. Overridden by the OS header. */
diff --git a/gcc/config/sparc/sparc.h b/gcc/config/sparc/sparc.h
index 830467dfb93..61e6f94fffa 100644
--- a/gcc/config/sparc/sparc.h
+++ b/gcc/config/sparc/sparc.h
@@ -632,11 +632,11 @@ extern enum processor_type sparc_cpu;
#define TARGET_OPTIONS \
{ \
{ "cpu=", &sparc_select[1].string, \
- N_("Use features of and schedule code for given CPU") }, \
+ N_("Use features of and schedule code for given CPU"), 0}, \
{ "tune=", &sparc_select[2].string, \
- N_("Schedule code for given CPU") }, \
+ N_("Schedule code for given CPU"), 0}, \
{ "cmodel=", &sparc_cmodel_string, \
- N_("Use given SPARC code model") }, \
+ N_("Use given SPARC code model"), 0}, \
SUBTARGET_OPTIONS \
}
diff --git a/gcc/config/v850/v850.h b/gcc/config/v850/v850.h
index cbd0d1da271..b18d85afced 100644
--- a/gcc/config/v850/v850.h
+++ b/gcc/config/v850/v850.h
@@ -220,14 +220,14 @@ extern struct small_memory_info small_memory[(int)SMALL_MEMORY_max];
#define TARGET_OPTIONS \
{ \
{ "tda=", &small_memory[ (int)SMALL_MEMORY_TDA ].value, \
- N_("Set the max size of data eligible for the TDA area") }, \
- { "tda-", &small_memory[ (int)SMALL_MEMORY_TDA ].value, "" }, \
+ N_("Set the max size of data eligible for the TDA area"), 0}, \
+ { "tda-", &small_memory[ (int)SMALL_MEMORY_TDA ].value, "", 0}, \
{ "sda=", &small_memory[ (int)SMALL_MEMORY_SDA ].value, \
- N_("Set the max size of data eligible for the SDA area") }, \
- { "sda-", &small_memory[ (int)SMALL_MEMORY_SDA ].value, "" }, \
+ N_("Set the max size of data eligible for the SDA area"), 0}, \
+ { "sda-", &small_memory[ (int)SMALL_MEMORY_SDA ].value, "", 0}, \
{ "zda=", &small_memory[ (int)SMALL_MEMORY_ZDA ].value, \
- N_("Set the max size of data eligible for the ZDA area") }, \
- { "zda-", &small_memory[ (int)SMALL_MEMORY_ZDA ].value, "" }, \
+ N_("Set the max size of data eligible for the ZDA area"), 0}, \
+ { "zda-", &small_memory[ (int)SMALL_MEMORY_ZDA ].value, "", 0}, \
}
/* Sometimes certain combinations of command options do not make
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi
index e17d5a167d3..b824b1e7bfc 100644
--- a/gcc/doc/tm.texi
+++ b/gcc/doc/tm.texi
@@ -761,17 +761,26 @@ This macro is similar to @code{TARGET_SWITCHES} but defines names of command
options that have values. Its definition is an initializer with a
subgrouping for each command option.
-Each subgrouping contains a string constant, that defines the fixed part
-of the option name, the address of a variable, and a description string.
-Non-empty description strings should be marked with @code{N_(@dots{})} for
-@command{xgettext}. Please do not mark empty strings because the empty
-string is reserved by GNU gettext. @code{gettext("")} returns the header entry
-of the message catalog with meta information, not the empty string.
+Each subgrouping contains a string constant, that defines the option
+name, the address of a variable, a description string, and a value.
+Non-empty description strings should be marked with @code{N_(@dots{})}
+for @command{xgettext}. Please do not mark empty strings because the
+empty string is reserved by GNU gettext. @code{gettext("")} returns the
+header entry of the message catalog with meta information, not the empty
+string.
+
+If the value listed in the table is @code{NULL}, then the variable, type
+@code{char *}, is set to the variable part of the given option if the
+fixed part matches. In other words, if the first part of the option
+matches what's in the table, the variable will be set to point to the
+rest of the option. This allows the user to specify a value for that
+option. The actual option name is made by appending @samp{-m} to the
+specified name. Again, each option should also be documented in
+@file{invoke.texi}.
-The variable, type @code{char *}, is set to the variable part of the
-given option if the fixed part matches. The actual option name is made
-by appending @samp{-m} to the specified name. Again, each option should
-also be documented in @file{invoke.texi}.
+If the value listed in the table is non-@code{NULL}, then the option
+must match the option in the table exactly (with @samp{-m}), and the
+variable is set to point to the value listed in the table.
Here is an example which defines @option{-mshort-data-@var{number}}. If the
given option is @option{-mshort-data-512}, the variable @code{m88k_short_data}
@@ -781,7 +790,38 @@ will be set to the string @code{"512"}.
extern char *m88k_short_data;
#define TARGET_OPTIONS \
@{ @{ "short-data-", &m88k_short_data, \
- N_("Specify the size of the short data section") @} @}
+ N_("Specify the size of the short data section"), 0 @} @}
+@end smallexample
+
+Here is an variant of the above that allows the user to also specify
+just @option{-mshort-data} where a default of @code{"64"} is used.
+
+@smallexample
+extern char *m88k_short_data;
+#define TARGET_OPTIONS \
+ @{ @{ "short-data-", &m88k_short_data, \
+ N_("Specify the size of the short data section"), 0 @} \
+ @{ "short-data", &m88k_short_data, "", "64" @},
+ @}
+@end smallexample
+
+Here is an example which defines @option{-mno-alu}, @option{-malu1}, and
+@option{-malu2} as a three-state switch, along with suitable macros for
+checking the state of the option (documentation is elided for brevity).
+
+@smallexample
+[chip.c]
+char *chip_alu = ""; /* Specify default here. */
+
+[chip.h]
+extern char *chip_alu;
+#define TARGET_OPTIONS \
+ @{ @{ "no-alu", &chip_alu, "", "" @}, \
+ @{ "alu1", &chip_alu, "", "1" @}, \
+ @{ "alu2", &chip_alu, "", "2" @}, @}
+#define TARGET_ALU (chip_alu[0] != '\0')
+#define TARGET_ALU1 (chip_alu[0] == '1')
+#define TARGET_ALU2 (chip_alu[0] == '2')
@end smallexample
@findex TARGET_VERSION
diff --git a/gcc/toplev.c b/gcc/toplev.c
index 3af0bd8bfe2..49301fbf74f 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -1437,6 +1437,7 @@ static const struct
const char *const prefix;
const char **const variable;
const char *const description;
+ const char *const value;
}
target_options[] = TARGET_OPTIONS;
#endif
@@ -4685,10 +4686,21 @@ set_target_switch (name)
for (j = 0; j < ARRAY_SIZE (target_options); j++)
{
int len = strlen (target_options[j].prefix);
- if (!strncmp (target_options[j].prefix, name, len))
+ if (target_options[j].value)
{
- *target_options[j].variable = name + len;
- valid_target_option = 1;
+ if (!strcmp (target_options[j].prefix, name))
+ {
+ *target_options[j].variable = target_options[j].value;
+ valid_target_option = 1;
+ }
+ }
+ else
+ {
+ if (!strncmp (target_options[j].prefix, name, len))
+ {
+ *target_options[j].variable = name + len;
+ valid_target_option = 1;
+ }
}
}
#endif
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