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author | Steven Bosscher <steven@gcc.gnu.org> | 2012-06-26 10:47:01 +0000 |
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committer | Steven Bosscher <steven@gcc.gnu.org> | 2012-06-26 10:47:01 +0000 |
commit | 0c93ed527c5fe6fd2ad05ae71132b62c28d65bfd (patch) | |
tree | 136759118b163290fa77c40a1be17d30cdb12fb6 /gcc/doc/tm.texi | |
parent | 3d2e04fdeeccf35f4b704c75d593ff15ae37ff74 (diff) | |
download | gcc-0c93ed527c5fe6fd2ad05ae71132b62c28d65bfd.zip gcc-0c93ed527c5fe6fd2ad05ae71132b62c28d65bfd.tar.gz gcc-0c93ed527c5fe6fd2ad05ae71132b62c28d65bfd.tar.bz2 |
re PR middle-end/33190 (tm.texi describes some non-existing hooks)
PR other/33190
* config/mips/mips.h: Do not define ALL_COP_ADDITIONAL_REGISTER_NAMES.
* config/frv/frv.h: Do not define REVERSE_CONDEXEC_PREDICATES_P.
* doc/tm.texi.in: Remove documentation for unused target macros
ALL_COP_ADDITIONAL_REGISTER_NAMES, DBX_OUTPUT_LBRAC, DBX_OUTPUT_NFUN,
DBX_OUTPUT_RBRAC, RANGE_TEST_NON_SHORT_CIRCUIT, REAL_VALUE_TRUNCATE,
REVERSE_CONDEXEC_PREDICATES_P, TARGET_ALIGN_ANON_BITFIELDS, and
TARGET_NARROW_VOLATILE_BITFIELDS.
Document that MD_HANDLE_UNWABI is a macro in libgcc.
* doc/tm.texi: Regenerate.
* system.h: Poison target macros
ALL_COP_ADDITIONAL_REGISTER_NAMES, DBX_OUTPUT_LBRAC, DBX_OUTPUT_NFUN,
DBX_OUTPUT_RBRAC, RANGE_TEST_NON_SHORT_CIRCUIT, REAL_VALUE_TRUNCATE,
REVERSE_CONDEXEC_PREDICATES_P, TARGET_ALIGN_ANON_BITFIELDS, and
TARGET_NARROW_VOLATILE_BITFIELDS
From-SVN: r188983
Diffstat (limited to 'gcc/doc/tm.texi')
-rw-r--r-- | gcc/doc/tm.texi | 56 |
1 files changed, 2 insertions, 54 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 5a369b0..cb0e07b 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -3426,8 +3426,8 @@ This macro allows the target to add operating system specific code to the call-frame unwinder to handle the IA-64 @code{.unwabi} unwinding directive, usually used for signal or interrupt frames. -This macro is called from @code{uw_update_context} in @file{unwind-ia64.c}. -@var{context} is an @code{_Unwind_Context}; +This macro is called from @code{uw_update_context} in libgcc's +@file{unwind-ia64.c}. @var{context} is an @code{_Unwind_Context}; @var{fs} is an @code{_Unwind_FrameState}. Examine @code{fs->unwabi} for the abi and context in the @code{.unwabi} directive. If the @code{.unwabi} directive can be handled, the register save addresses should @@ -6134,20 +6134,6 @@ There is one macro that may need to be defined for targets supporting conditional execution, independent of how they represent conditional branches. -@defmac REVERSE_CONDEXEC_PREDICATES_P (@var{op1}, @var{op2}) -A C expression that returns true if the conditional execution predicate -@var{op1}, a comparison operation, is the inverse of @var{op2} and vice -versa. Define this to return 0 if the target has conditional execution -predicates that cannot be reversed safely. There is no need to validate -that the arguments of op1 and op2 are the same, this is done separately. -If no expansion is specified, this macro is defined as follows: - -@smallexample -#define REVERSE_CONDEXEC_PREDICATES_P (x, y) \ - (GET_CODE ((x)) == reversed_comparison_code ((y), NULL)) -@end smallexample -@end defmac - @node Costs @section Describing Relative Costs of Operations @cindex costs of instructions @@ -6428,12 +6414,6 @@ Define this macro if it is as good or better to call a constant function address than to call an address kept in a register. @end defmac -@defmac RANGE_TEST_NON_SHORT_CIRCUIT -Define this macro if a non-short-circuit operation produced by -@samp{fold_range_test ()} is optimal. This macro defaults to true if -@code{BRANCH_COST} is greater than or equal to the value 2. -@end defmac - @deftypefn {Target Hook} bool TARGET_RTX_COSTS (rtx @var{x}, int @var{code}, int @var{outer_code}, int @var{opno}, int *@var{total}, bool @var{speed}) This target hook describes the relative costs of RTL expressions. @@ -9345,22 +9325,6 @@ number for a type number. @c prevent bad page break with this line These are hooks for DBX format. -@defmac DBX_OUTPUT_LBRAC (@var{stream}, @var{name}) -Define this macro to say how to output to @var{stream} the debugging -information for the start of a scope level for variable names. The -argument @var{name} is the name of an assembler symbol (for use with -@code{assemble_name}) whose value is the address where the scope begins. -@end defmac - -@defmac DBX_OUTPUT_RBRAC (@var{stream}, @var{name}) -Like @code{DBX_OUTPUT_LBRAC}, but for the end of a scope level. -@end defmac - -@defmac DBX_OUTPUT_NFUN (@var{stream}, @var{lscope_label}, @var{decl}) -Define this macro if the target machine requires special handling to -output an @code{N_FUN} entry for the function @var{decl}. -@end defmac - @defmac DBX_OUTPUT_SOURCE_LINE (@var{stream}, @var{line}, @var{counter}) A C statement to output DBX debugging information before code for line number @var{line} of the current source file to the stdio stream @@ -9684,13 +9648,6 @@ Returns the negative of the floating point value @var{x}. Returns the absolute value of @var{x}. @end deftypefn -@deftypefn Macro REAL_VALUE_TYPE REAL_VALUE_TRUNCATE (REAL_VALUE_TYPE @var{mode}, enum machine_mode @var{x}) -Truncates the floating point value @var{x} to fit in @var{mode}. The -return value is still a full-size @code{REAL_VALUE_TYPE}, but it has an -appropriate bit pattern to be output as a floating constant whose -precision accords with mode @var{mode}. -@end deftypefn - @deftypefn Macro void REAL_VALUE_TO_INT (HOST_WIDE_INT @var{low}, HOST_WIDE_INT @var{high}, REAL_VALUE_TYPE @var{x}) Converts a floating point value @var{x} into a double-precision integer which is then stored into @var{low} and @var{high}. If the value is not @@ -10058,15 +10015,6 @@ floating-point support; they are not included in this mechanism. There is one macro used in defining the MIPS coprocessor interface which you may want to override in subtargets; it is described below. -@defmac ALL_COP_ADDITIONAL_REGISTER_NAMES -A comma-separated list (with leading comma) of pairs describing the -alternate names of coprocessor registers. The format of each entry should be -@smallexample -@{ @var{alternatename}, @var{register_number}@} -@end smallexample -Default: empty. -@end defmac - @node PCH Target @section Parameters for Precompiled Header Validity Checking @cindex parameters, precompiled headers |