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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/reload1.c | |
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/reload1.c')
-rw-r--r-- | gcc/reload1.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc/reload1.c b/gcc/reload1.c index 7900841..25af840 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -318,8 +318,9 @@ struct elim_table int to; /* Register number used as replacement. */ HOST_WIDE_INT initial_offset; /* Initial difference between values. */ int can_eliminate; /* Nonzero if this elimination can be done. */ - int can_eliminate_previous; /* Value of CAN_ELIMINATE in previous scan over - insns made by reload. */ + int can_eliminate_previous; /* Value returned by TARGET_CAN_ELIMINATE + target hook in previous scan over insns + made by reload. */ HOST_WIDE_INT offset; /* Current offset between the two regs. */ HOST_WIDE_INT previous_offset;/* Offset at end of previous insn. */ int ref_outside_mem; /* "to" has been referenced outside a MEM. */ @@ -3705,7 +3706,7 @@ update_eliminables (HARD_REG_SET *pset) if ((ep->from == HARD_FRAME_POINTER_REGNUM && targetm.frame_pointer_required ()) #ifdef ELIMINABLE_REGS - || ! CAN_ELIMINATE (ep->from, ep->to) + || ! targetm.can_eliminate (ep->from, ep->to) #endif ) ep->can_eliminate = 0; @@ -3811,7 +3812,7 @@ init_elim_table (void) ep->from = ep1->from; ep->to = ep1->to; ep->can_eliminate = ep->can_eliminate_previous - = (CAN_ELIMINATE (ep->from, ep->to) + = (targetm.can_eliminate (ep->from, ep->to) && ! (ep->to == STACK_POINTER_REGNUM && frame_pointer_needed && (! SUPPORTS_STACK_ALIGNMENT |