diff options
Diffstat (limited to 'gcc/config/v850')
| -rw-r--r-- | gcc/config/v850/v850.c | 12 | ||||
| -rw-r--r-- | gcc/config/v850/v850.h | 12 |
2 files changed, 13 insertions, 11 deletions
diff --git a/gcc/config/v850/v850.c b/gcc/config/v850/v850.c index 5e1594a9be5..19268e2bd3b 100644 --- a/gcc/config/v850/v850.c +++ b/gcc/config/v850/v850.c @@ -72,6 +72,7 @@ static bool v850_pass_by_reference (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool); static int v850_arg_partial_bytes (CUMULATIVE_ARGS *, enum machine_mode, tree, bool); +static bool v850_can_eliminate (const int, const int); /* Information about the various small memory areas. */ struct small_memory_info small_memory[ (int)SMALL_MEMORY_max ] = @@ -173,6 +174,9 @@ static const struct attribute_spec v850_attribute_table[] = #undef TARGET_ARG_PARTIAL_BYTES #define TARGET_ARG_PARTIAL_BYTES v850_arg_partial_bytes +#undef TARGET_CAN_ELIMINATE +#define TARGET_CAN_ELIMINATE v850_can_eliminate + struct gcc_target targetm = TARGET_INITIALIZER; /* Set the maximum size of small memory area TYPE to the value given @@ -2957,4 +2961,12 @@ v850_setup_incoming_varargs (CUMULATIVE_ARGS *ca, ca->anonymous_args = (!TARGET_GHS ? 1 : 0); } +/* Worker function for TARGET_CAN_ELIMINATE. */ + +bool +v850_can_eliminate (const int from ATTRIBUTE_UNUSED, const int to) +{ + return (to == STACK_POINTER_REGNUM ? ! frame_pointer_needed : true); +} + #include "gt-v850.h" diff --git a/gcc/config/v850/v850.h b/gcc/config/v850/v850.h index b841963bd2b..026a2292588 100644 --- a/gcc/config/v850/v850.h +++ b/gcc/config/v850/v850.h @@ -1,6 +1,6 @@ /* Definitions of target machine for GNU compiler. NEC V850 series Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, - 2007, 2008 Free Software Foundation, Inc. + 2007, 2008, 2009 Free Software Foundation, Inc. Contributed by Jeff Law (law@cygnus.com). This file is part of GCC. @@ -538,16 +538,6 @@ enum reg_class { ARG_POINTER_REGNUM, STACK_POINTER_REGNUM }, \ { ARG_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM }} \ -/* A C expression that returns nonzero if the compiler is allowed to - try to replace register number FROM-REG with register number - TO-REG. This macro need only be defined if `ELIMINABLE_REGS' is - defined, and will usually be the constant 1, since most of the - cases preventing register elimination are things that the compiler - already knows about. */ - -#define CAN_ELIMINATE(FROM, TO) \ - ((TO) == STACK_POINTER_REGNUM ? ! frame_pointer_needed : 1) - /* This macro is similar to `INITIAL_FRAME_POINTER_OFFSET'. It specifies the initial difference between the specified pair of registers. This macro must be defined if `ELIMINABLE_REGS' is |