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author | Anatoly Sokolov <aesok@post.ru> | 2009-08-26 01:09:00 +0400 |
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committer | Anatoly Sokolov <aesok@gcc.gnu.org> | 2009-08-26 01:09:00 +0400 |
commit | 7b5cbb57032c98320bc7b5ba9da3dab8362a393d (patch) | |
tree | 44f8c8c44ea173046d301d7e79624a45b2640933 /gcc/config/v850 | |
parent | 79232baaf890c7223876b5ffb93ed05e7948d7a3 (diff) | |
download | gcc-7b5cbb57032c98320bc7b5ba9da3dab8362a393d.zip gcc-7b5cbb57032c98320bc7b5ba9da3dab8362a393d.tar.gz gcc-7b5cbb57032c98320bc7b5ba9da3dab8362a393d.tar.bz2 |
hooks.h (hook_bool_const_int_const_int_true): Declare.
* hooks.h (hook_bool_const_int_const_int_true): Declare.
* hooks.c (hook_bool_const_int_const_int_true): New function.
* target.h (struct gcc_target): Add can_eliminate field.
* target-def.h (TARGET_CAN_ELIMINATE): Define.
(TARGET_INITIALIZER): Use TARGET_CAN_ELIMINATE.
* ira.c (setup_eliminable_regset): Use can_eliminate target hook.
* reload1.c (update_eliminables, init_elim_table): (Ditto.).
(elim_table): Revise comment.
* system.h (CAN_ELIMINATE): Poison.
* defaults.h (CAN_ELIMINATE): Remove.
* doc/tm.texi (CAN_ELIMINATE): Revise documentation.
* config/alpha/vms.h (CAN_ELIMINATE): Remove macro.
* config/alpha/alpha.c (TARGET_CAN_ELIMINATE) [TARGET_ABI_OPEN_VMS]:
Define macro.
(alpha_vms_can_eliminate): Declare as static, change return type to
bool.
* config/alpha/alpha-protos.h (alpha_vms_can_eliminate): Remove.
* config/arm/arm.h (CAN_ELIMINATE): Remove macro.
* config/arm/arm.c (TARGET_CAN_ELIMINATE): Define macro.
(arm_can_eliminate): New function.
* config/avr/avr.h (CAN_ELIMINATE): Remove macro.
* config/avr/avr.c (TARGET_CAN_ELIMINATE): Define macro.
(avr_can_eliminate): Declare as static.
* config/avr/avr-protos.h (avr_can_eliminate): Remove.
* config/bfin/bfin.h (CAN_ELIMINATE): Remove macro.
* config/bfin/bfin.c (TARGET_CAN_ELIMINATE): Define macro.
(bfin_can_eliminate): New function.
* config/crx/crx.h (CAN_ELIMINATE): Remove macro.
* config/crx/crx.c (TARGET_CAN_ELIMINATE): Define macro.
(crx_can_eliminate): New function.
* config/fr30/fr30.h (CAN_ELIMINATE): Remove macro.
* config/fr30/fr30.c (TARGET_CAN_ELIMINATE): Define macro.
(fr30_can_eliminate): New function.
* config/frv/frv.h (CAN_ELIMINATE): Remove macro.
* config/frv/frv.c (TARGET_CAN_ELIMINATE): Define macro.
(frv_can_eliminate): New function.
* config/h8300/h8300.h (CAN_ELIMINATE): Remove macro.
* config/h8300/h8300.c (TARGET_CAN_ELIMINATE): Define macro.
(h8300_can_eliminate): New function.
* config/i386/i386.h (CAN_ELIMINATE): Remove macro.
* config/i386/i386.c (TARGET_CAN_ELIMINATE): Define macro.
(i386_can_eliminate): Declare as static, change return type to bool.
* config/i386/i386-protos.h (i386_can_eliminate): Remove.
* config/ia64/ia64.h (CAN_ELIMINATE): Remove macro.
* config/ia64/ia64.c (TARGET_CAN_ELIMINATE): Define macro.
(ia64_can_eliminate): New function.
* config/iq2000/iq2000.h (CAN_ELIMINATE): Remove macro.
* config/iq2000/iq2000.c (TARGET_CAN_ELIMINATE): Define macro.
(iq2000_can_eliminate): New function.
* config/m32r/m32r.h (CAN_ELIMINATE): Remove macro.
* config/m32r/m32r.c (TARGET_CAN_ELIMINATE): Define macro.
(m32r_can_eliminate): New function.
* config/m68hc11/m68hc11.h (CAN_ELIMINATE): Remove macro.
* config/m68hc11/m68hc11.c (TARGET_CAN_ELIMINATE): Define macro.
(m68hc11_can_eliminate): New function.
* config/m68k/m68k.h (CAN_ELIMINATE): Remove macro.
* config/m68k/m68k.c (TARGET_CAN_ELIMINATE): Define macro.
(m68k_can_eliminate): New function.
* config/mep/mep.h (CAN_ELIMINATE): Remove macro.
* config/mep/mep.c (TARGET_CAN_ELIMINATE): Define macro.
(mep_can_eliminate): New function.
* config/mips/mips.h (CAN_ELIMINATE): Remove macro.
* config/mips/mips.c (TARGET_CAN_ELIMINATE): Define macro.
(mips_can_eliminate): New function.
* config/rs6000/rs6000.h (CAN_ELIMINATE): Remove macro.
* config/rs6000/rs6000.c (TARGET_CAN_ELIMINATE): Define macro.
(rs6000_can_eliminate): New function.
* config/s390/s390.h (CAN_ELIMINATE): Remove macro.
* config/s390/s390.c (TARGET_CAN_ELIMINATE): Define macro.
(s390_can_eliminate): Declare as static.
* config/s390/s390-protos.h (sparc_can_eliminate): Remove.
* config/score/score.h (CAN_ELIMINATE): Remove macro.
* config/score/score.c (TARGET_CAN_ELIMINATE): Define macro.
(score_can_eliminate): New function.
* config/sparc/sparc.h (CAN_ELIMINATE): Remove macro.
* config/sparc/sparc.c (TARGET_CAN_ELIMINATE): Define macro.
(sparc_can_eliminate): Declare as static.
* config/sparc/sparc-protos.h (sparc_can_eliminate): Remove.
* config/stormy16/stormy16.h (CAN_ELIMINATE): Remove macro.
* config/stormy16/stormy16.c (TARGET_CAN_ELIMINATE): Define macro.
(xstormy16_can_eliminate): New function.
* config/v850/v850.h (CAN_ELIMINATE): Remove macro.
* config/v850/v850.c (TARGET_CAN_ELIMINATE): Define macro.
(v850_can_eliminate): New function.
From-SVN: r151096
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 5e1594a..19268e2 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 b841963..026a229 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 |