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author | Joseph Myers <jsm28@cam.ac.uk> | 2001-10-10 00:11:55 +0100 |
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committer | Joseph Myers <jsm28@gcc.gnu.org> | 2001-10-10 00:11:55 +0100 |
commit | df2a54e9458547dfc9158100d4207c6559bac9b4 (patch) | |
tree | cc44d5af405ee939cc4eb75111774472c6214a40 /gcc/doc/tm.texi | |
parent | 3fb5c0ebcfe787c4be11c9634ebc3c259a1a71ea (diff) | |
download | gcc-df2a54e9458547dfc9158100d4207c6559bac9b4.zip gcc-df2a54e9458547dfc9158100d4207c6559bac9b4.tar.gz gcc-df2a54e9458547dfc9158100d4207c6559bac9b4.tar.bz2 |
c-tree.texi, [...]: Consistently use "nonzero" instead of "non-zero".
* doc/c-tree.texi, doc/cppinternals.texi, doc/extend.texi,
doc/install.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi:
Consistently use "nonzero" instead of "non-zero".
From-SVN: r46134
Diffstat (limited to 'gcc/doc/tm.texi')
-rw-r--r-- | gcc/doc/tm.texi | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 32229d6..4a1474a 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -124,7 +124,7 @@ additional options. @item SWITCH_CURTAILS_COMPILATION (@var{char}) A C expression which determines whether the option @option{-@var{char}} stops compilation before the generation of an executable. The value is -boolean, non-zero if the option does stop an executable from being +boolean, nonzero if the option does stop an executable from being generated, zero otherwise. By default, this macro is defined as @@ -779,7 +779,7 @@ used as the default values for the other command line options. @var{level} is the optimization level specified; 2 if @option{-O2} is specified, 1 if @option{-O} is specified, and 0 if neither is specified. -@var{size} is non-zero if @option{-Os} is specified and zero otherwise. +@var{size} is nonzero if @option{-Os} is specified and zero otherwise. You should not use this macro to change options that are not machine-specific. These should uniformly selected by the same @@ -1737,7 +1737,7 @@ of @code{CALL_USED_REGISTERS}. @cindex call-used register @cindex call-clobbered register @cindex call-saved register -A C expression that is non-zero if it is not permissible to store a +A C expression that is nonzero if it is not permissible to store a value of mode @var{mode} in hard register number @var{regno} across a call without some part of it being clobbered. For most machines this macro need not be defined. It is only required for machines that do not @@ -2357,7 +2357,7 @@ general registers. @item SECONDARY_MEMORY_NEEDED (@var{class1}, @var{class2}, @var{m}) Certain machines have the property that some registers cannot be copied to some other registers without using memory. Define this macro on -those machines to be a C expression that is non-zero if objects of mode +those machines to be a C expression that is nonzero if objects of mode @var{m} in registers of @var{class1} can only be copied to registers of class @var{class2} by storing a register of @var{class1} into memory and loading that memory location into a register of @var{class2}. @@ -2406,14 +2406,14 @@ to be in specific registers (like an accumulator), and reload will fail if the required hard register is used for another purpose across such an insn. -Define @code{SMALL_REGISTER_CLASSES} to be an expression with a non-zero -value on these machines. When this macro has a non-zero value, the +Define @code{SMALL_REGISTER_CLASSES} to be an expression with a nonzero +value on these machines. When this macro has a nonzero value, the compiler will try to minimize the lifetime of hard registers. -It is always safe to define this macro with a non-zero value, but if you +It is always safe to define this macro with a nonzero value, but if you unnecessarily define it, you will reduce the amount of optimizations that can be performed in some cases. If you do not define this macro -with a non-zero value when it is required, the compiler will run out of +with a nonzero value when it is required, the compiler will run out of spill registers and print a fatal error message. For most machines, you should not define this macro at all. @@ -3077,7 +3077,7 @@ specified first since that is the preferred elimination. @findex CAN_ELIMINATE @item CAN_ELIMINATE (@var{from-reg}, @var{to-reg}) -A C expression that returns non-zero if the compiler is allowed to try +A C expression that returns nonzero if the compiler is allowed to try to replace register number @var{from-reg} with register number @var{to-reg}. This macro need only be defined if @code{ELIMINABLE_REGS} is defined, and will usually be the constant 1, since most of the cases @@ -3325,7 +3325,7 @@ by making @code{FUNCTION_ARG} return 0 whenever @var{named} is 0. You may use the macro @code{MUST_PASS_IN_STACK (@var{mode}, @var{type})} in the definition of this macro to determine if this argument is of a type that must be passed in the stack. If @code{REG_PARM_STACK_SPACE} -is not defined and @code{FUNCTION_ARG} returns non-zero for such an +is not defined and @code{FUNCTION_ARG} returns nonzero for such an argument, the compiler will abort. If @code{REG_PARM_STACK_SPACE} is defined, the argument will be computed in the stack and then loaded into a register. @@ -4730,14 +4730,14 @@ This is about addressing modes. @itemx HAVE_PRE_DECREMENT @itemx HAVE_POST_INCREMENT @itemx HAVE_POST_DECREMENT -A C expression that is non-zero if the machine supports pre-increment, +A C expression that is nonzero if the machine supports pre-increment, pre-decrement, post-increment, or post-decrement addressing respectively. @findex HAVE_POST_MODIFY_DISP @findex HAVE_PRE_MODIFY_DISP @item HAVE_PRE_MODIFY_DISP @itemx HAVE_POST_MODIFY_DISP -A C expression that is non-zero if the machine supports pre- or +A C expression that is nonzero if the machine supports pre- or post-address side-effect generation involving constants other than the size of the memory operand. @@ -4745,7 +4745,7 @@ the size of the memory operand. @findex HAVE_PRE_MODIFY_REG @item HAVE_PRE_MODIFY_REG @itemx HAVE_POST_MODIFY_REG -A C expression that is non-zero if the machine supports pre- or +A C expression that is nonzero if the machine supports pre- or post-address side-effect generation involving a register displacement. @findex CONSTANT_ADDRESS_P @@ -5273,7 +5273,7 @@ if the @samp{mov@var{m}} pattern's constraints do not allow such copying. @item MEMORY_MOVE_COST (@var{mode}, @var{class}, @var{in}) A C expression for the cost of moving data of mode @var{mode} between a register of class @var{class} and memory; @var{in} is zero if the value -is to be written to memory, non-zero if it is to be read in. This cost +is to be written to memory, nonzero if it is to be read in. This cost is relative to those in @code{REGISTER_MOVE_COST}. If moving between registers and memory is more expensive than between two registers, you should define this macro to express the relative cost. @@ -5342,15 +5342,15 @@ Define this macro to be the value 1 if memory accesses described by the than aligned accesses, for example if they are emulated in a trap handler. -When this macro is non-zero, the compiler will act as if -@code{STRICT_ALIGNMENT} were non-zero when generating code for block +When this macro is nonzero, the compiler will act as if +@code{STRICT_ALIGNMENT} were nonzero when generating code for block moves. This can cause significantly more instructions to be produced. -Therefore, do not set this macro non-zero if unaligned accesses only add a +Therefore, do not set this macro nonzero if unaligned accesses only add a cycle or two to the time for a memory access. If the value of this macro is always zero, it need not be defined. If -this macro is defined, it should produce a non-zero value when -@code{STRICT_ALIGNMENT} is non-zero. +this macro is defined, it should produce a nonzero value when +@code{STRICT_ALIGNMENT} is nonzero. @findex DONT_REDUCE_ADDR @item DONT_REDUCE_ADDR @@ -5682,7 +5682,7 @@ data section. @findex JUMP_TABLES_IN_TEXT_SECTION @item JUMP_TABLES_IN_TEXT_SECTION -Define this macro to be an expression with a non-zero value if jump +Define this macro to be an expression with a nonzero value if jump tables (for @code{tablejump} insns) should be output in the text section, along with the assembler instructions. Otherwise, the readonly data section is used. @@ -5908,7 +5908,7 @@ statement is executed only when compiling an Objective-C program. Output assembly directives to switch to section @var{name}. The section should have attributes as specified by @var{flags}, which is a bit mask of the @code{SECTION_*} flags defined in @file{output.h}. If @var{align} -is non-zero, it contains an alignment in bytes to be used for the section, +is nonzero, it contains an alignment in bytes to be used for the section, otherwise some target default should be used. Only targets that must specify an alignment within the section directive need pay attention to @var{align} -- we will still use @code{ASM_OUTPUT_ALIGN}. @@ -6033,7 +6033,7 @@ is defined, and is otherwise unused. @findex CONSTANT_POOL_BEFORE_FUNCTION @item CONSTANT_POOL_BEFORE_FUNCTION You may define this macro as a C expression. You should define the -expression to have a non-zero value if GCC should output the constant +expression to have a nonzero value if GCC should output the constant pool for a function before the code for the function, or a zero value if GCC should output the constant pool after the function. If you do not define this macro, the usual case, GCC will output the constant @@ -7994,7 +7994,7 @@ or @code{MACHINE_DEPENDENT_REORG}. You can have multiple entities that are mode-switched, and select at run time which entities actually need it. @code{OPTIMIZE_MODE_SWITCHING} should -return non-zero for any @var{entity} that that needs mode-switching. +return nonzero for any @var{entity} that that needs mode-switching. If you define this macro, you also have to define @code{NUM_MODES_FOR_MODE_SWITCHING}, @code{MODE_NEEDED}, @code{MODE_PRIORITY_TO_MODE} and @code{EMIT_MODE_SET}. @@ -8275,7 +8275,7 @@ at run-time. A C expression that is nonzero if on this machine the number of bits actually used for the count of a shift operation is equal to the number of bits needed to represent the size of the object being shifted. When -this macro is non-zero, the compiler will assume that it is safe to omit +this macro is nonzero, the compiler will assume that it is safe to omit a sign-extend, zero-extend, and certain bitwise `and' instructions that truncates the count of a shift operation. On machines that have instructions that act on bit-fields at variable positions, which may @@ -8416,7 +8416,7 @@ instructions. @findex FLOAT_STORE_FLAG_VALUE @item FLOAT_STORE_FLAG_VALUE (@var{mode}) -A C expression that gives a non-zero @code{REAL_VALUE_TYPE} value that is +A C expression that gives a nonzero @code{REAL_VALUE_TYPE} value that is returned when comparison operators with floating-point results are true. Define this macro on machine that have comparison operations that return floating-point values. If there are no such operations, do not define |