diff options
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/tm.texi | 20 | ||||
| -rw-r--r-- | gcc/doc/tm.texi.in | 20 |
2 files changed, 20 insertions, 20 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index ec55551..a89d0ec 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -2522,7 +2522,7 @@ instruction for loading an immediate value into a floating-point register, so @code{TARGET_PREFERRED_RELOAD_CLASS} returns @code{NO_REGS} when @var{x} is a floating-point constant. If the constant can't be loaded into any kind of register, code generation will be better if -@code{LEGITIMATE_CONSTANT_P} makes the constant illegitimate instead +@code{TARGET_LEGITIMATE_CONSTANT_P} makes the constant illegitimate instead of using @code{TARGET_PREFERRED_RELOAD_CLASS}. If an insn has pseudos in it after register allocation, reload will go @@ -2559,8 +2559,8 @@ instruction for loading an immediate value into a floating-point register, so @code{PREFERRED_RELOAD_CLASS} returns @code{NO_REGS} when @var{x} is a floating-point constant. If the constant can't be loaded into any kind of register, code generation will be better if -@code{LEGITIMATE_CONSTANT_P} makes the constant illegitimate instead -of using @code{PREFERRED_RELOAD_CLASS}. +@code{TARGET_LEGITIMATE_CONSTANT_P} makes the constant illegitimate instead +of using @code{TARGET_PREFERRED_RELOAD_CLASS}. If an insn has pseudos in it after register allocation, reload will go through the alternatives and call repeatedly @code{PREFERRED_RELOAD_CLASS} @@ -5535,13 +5535,13 @@ These are obsolete macros, replaced by the @code{TARGET_MODE_DEPENDENT_ADDRESS_P} target hook. @end defmac -@defmac LEGITIMATE_CONSTANT_P (@var{x}) -A C expression that is nonzero if @var{x} is a legitimate constant for -an immediate operand on the target machine. You can assume that -@var{x} satisfies @code{CONSTANT_P}, so you need not check this. In fact, -@samp{1} is a suitable definition for this macro on machines where -anything @code{CONSTANT_P} is valid. -@end defmac +@deftypefn {Target Hook} bool TARGET_LEGITIMATE_CONSTANT_P (enum machine_mode @var{mode}, rtx @var{x}) +This hook returns true if @var{x} is a legitimate constant for a +@var{mode}-mode immediate operand on the target machine. You can assume that +@var{x} satisfies @code{CONSTANT_P}, so you need not check this. + +The default definition returns true. +@end deftypefn @deftypefn {Target Hook} rtx TARGET_DELEGITIMIZE_ADDRESS (rtx @var{x}) This hook is used to undo the possibly obfuscating effects of the diff --git a/gcc/doc/tm.texi.in b/gcc/doc/tm.texi.in index 1c96941..4637088 100644 --- a/gcc/doc/tm.texi.in +++ b/gcc/doc/tm.texi.in @@ -2510,7 +2510,7 @@ instruction for loading an immediate value into a floating-point register, so @code{TARGET_PREFERRED_RELOAD_CLASS} returns @code{NO_REGS} when @var{x} is a floating-point constant. If the constant can't be loaded into any kind of register, code generation will be better if -@code{LEGITIMATE_CONSTANT_P} makes the constant illegitimate instead +@code{TARGET_LEGITIMATE_CONSTANT_P} makes the constant illegitimate instead of using @code{TARGET_PREFERRED_RELOAD_CLASS}. If an insn has pseudos in it after register allocation, reload will go @@ -2547,8 +2547,8 @@ instruction for loading an immediate value into a floating-point register, so @code{PREFERRED_RELOAD_CLASS} returns @code{NO_REGS} when @var{x} is a floating-point constant. If the constant can't be loaded into any kind of register, code generation will be better if -@code{LEGITIMATE_CONSTANT_P} makes the constant illegitimate instead -of using @code{PREFERRED_RELOAD_CLASS}. +@code{TARGET_LEGITIMATE_CONSTANT_P} makes the constant illegitimate instead +of using @code{TARGET_PREFERRED_RELOAD_CLASS}. If an insn has pseudos in it after register allocation, reload will go through the alternatives and call repeatedly @code{PREFERRED_RELOAD_CLASS} @@ -5513,13 +5513,13 @@ These are obsolete macros, replaced by the @code{TARGET_MODE_DEPENDENT_ADDRESS_P} target hook. @end defmac -@defmac LEGITIMATE_CONSTANT_P (@var{x}) -A C expression that is nonzero if @var{x} is a legitimate constant for -an immediate operand on the target machine. You can assume that -@var{x} satisfies @code{CONSTANT_P}, so you need not check this. In fact, -@samp{1} is a suitable definition for this macro on machines where -anything @code{CONSTANT_P} is valid. -@end defmac +@hook TARGET_LEGITIMATE_CONSTANT_P +This hook returns true if @var{x} is a legitimate constant for a +@var{mode}-mode immediate operand on the target machine. You can assume that +@var{x} satisfies @code{CONSTANT_P}, so you need not check this. + +The default definition returns true. +@end deftypefn @hook TARGET_DELEGITIMIZE_ADDRESS This hook is used to undo the possibly obfuscating effects of the |