diff options
Diffstat (limited to 'gcc/target.def')
| -rw-r--r-- | gcc/target.def | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/gcc/target.def b/gcc/target.def index 8d506912063..a4e4cbb6645 100644 --- a/gcc/target.def +++ b/gcc/target.def @@ -4929,8 +4929,8 @@ DEFHOOK (lra_p, "A target hook which returns true if we use LRA instead of reload pass.\ \ - The default version of this target hook returns always false, but new\ - ports should use LRA.", + The default version of this target hook returns always true. New ports\ + should use LRA, and existing ports are encouraged to convert.", bool, (void), default_lra_p) @@ -5289,7 +5289,7 @@ five otherwise. This is best for most machines.", unsigned int, (void), default_case_values_threshold) -/* Retutn true if a function must have and use a frame pointer. */ +/* Return true if a function must have and use a frame pointer. */ DEFHOOK (frame_pointer_required, "This target hook should return @code{true} if a function must have and use\n\ @@ -5306,7 +5306,7 @@ pointer.\n\ In certain cases, the compiler does not know how to produce valid code\n\ without a frame pointer. The compiler recognizes those cases and\n\ automatically gives the function a frame pointer regardless of what\n\ -@code{TARGET_FRAME_POINTER_REQUIRED} returns. You don't need to worry about\n\ +@code{targetm.frame_pointer_required} returns. You don't need to worry about\n\ them.\n\ \n\ In a function that does not require a frame pointer, the frame pointer\n\ @@ -5321,11 +5321,10 @@ Default return value is @code{false}.", from-reg with register number to-reg. */ DEFHOOK (can_eliminate, - "This target hook should returns @code{true} if the compiler is allowed to\n\ + "This target hook should return @code{true} if the compiler is allowed to\n\ try to replace register number @var{from_reg} with register number\n\ -@var{to_reg}. This target hook need only be defined if @code{ELIMINABLE_REGS}\n\ -is defined, and will usually be @code{true}, since most of the cases\n\ -preventing register elimination are things that the compiler already\n\ +@var{to_reg}. This target hook will usually be @code{true}, since most of the\n\ +cases preventing register elimination are things that the compiler already\n\ knows about.\n\ \n\ Default return value is @code{true}.", @@ -5341,7 +5340,7 @@ DEFHOOK @code{fixed_regs}, @code{call_used_regs}, @code{global_regs},\n\ @code{reg_names}, and @code{reg_class_contents}, to take into account\n\ any dependence of these register sets on target flags. The first three\n\ -of these are of type @code{char []} (interpreted as Boolean vectors).\n\ +of these are of type @code{char []} (interpreted as boolean vectors).\n\ @code{global_regs} is a @code{const char *[]}, and\n\ @code{reg_class_contents} is a @code{HARD_REG_SET}. Before the macro is\n\ called, @code{fixed_regs}, @code{call_used_regs},\n\ |