From 7b5cbb57032c98320bc7b5ba9da3dab8362a393d Mon Sep 17 00:00:00 2001 From: Anatoly Sokolov Date: Wed, 26 Aug 2009 01:09:00 +0400 Subject: 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 --- gcc/config/m32r/m32r.c | 15 +++++++++++++++ gcc/config/m32r/m32r.h | 12 ------------ 2 files changed, 15 insertions(+), 12 deletions(-) (limited to 'gcc/config/m32r') diff --git a/gcc/config/m32r/m32r.c b/gcc/config/m32r/m32r.c index 372ede5..fdd89bc 100644 --- a/gcc/config/m32r/m32r.c +++ b/gcc/config/m32r/m32r.c @@ -87,6 +87,7 @@ static bool m32r_pass_by_reference (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool); static int m32r_arg_partial_bytes (CUMULATIVE_ARGS *, enum machine_mode, tree, bool); +static bool m32r_can_eliminate (const int, const int); /* M32R specific attributes. */ @@ -151,6 +152,9 @@ static const struct attribute_spec m32r_attribute_table[] = #undef TARGET_ARG_PARTIAL_BYTES #define TARGET_ARG_PARTIAL_BYTES m32r_arg_partial_bytes +#undef TARGET_CAN_ELIMINATE +#define TARGET_CAN_ELIMINATE m32r_can_eliminate + struct gcc_target targetm = TARGET_INITIALIZER; /* Implement TARGET_HANDLE_OPTION. */ @@ -1472,6 +1476,17 @@ m32r_compute_frame_size (int size) /* # of var. bytes allocated. */ /* Ok, we're done. */ return total_size; } + +/* Worker function for TARGET_CAN_ELIMINATE. */ + +bool +m32r_can_eliminate (const int from, const int to) +{ + return (from == ARG_POINTER_REGNUM && to == STACK_POINTER_REGNUM + ? ! frame_pointer_needed + : true); +} + /* The table we use to reference PIC data. */ static rtx global_offset_table; diff --git a/gcc/config/m32r/m32r.h b/gcc/config/m32r/m32r.h index 0ddbcfa..da6a105 100644 --- a/gcc/config/m32r/m32r.h +++ b/gcc/config/m32r/m32r.h @@ -793,18 +793,6 @@ extern enum reg_class m32r_regno_reg_class[FIRST_PSEUDO_REGISTER]; { ARG_POINTER_REGNUM, STACK_POINTER_REGNUM }, \ { ARG_POINTER_REGNUM, 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) \ - ((FROM) == ARG_POINTER_REGNUM && (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 -- cgit v1.1