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| author | Aldy Hernandez <aldyh@redhat.com> | 2002-11-04 16:58:39 +0000 |
|---|---|---|
| committer | Aldy Hernandez <aldyh@gcc.gnu.org> | 2002-11-04 16:58:39 +0000 |
| commit | cff9f8d50930e9e8dd627c92ce5255323576ed02 (patch) | |
| tree | 9864774f05d9aef4abaed8431d0fa7b660a6a998 /gcc/rtl.h | |
| parent | f1c129e309fc1681abecfd655bafa9318306bbb8 (diff) | |
| download | gcc-cff9f8d50930e9e8dd627c92ce5255323576ed02.tar.gz | |
hard-reg-set.h (REG_CANNOT_CHANGE_MODE_P): New.
2002-11-04 Aldy Hernandez <aldyh@redhat.com>
* hard-reg-set.h (REG_CANNOT_CHANGE_MODE_P): New.
* config/rs6000/rs6000.h (CLASS_CANNOT_CHANGE_MODE_P): Remove.
(CLASS_CANNOT_CHANGE_MODE): Remove.
(CANNOT_CHANGE_MODE_CLASS): New.
* config/alpha/alpha.h: Same.
* config/ia64/ia64.h: Same.
* config/mips/mips.h: Same.
* config/s390/s390.h: Same.
* config/sh/sh.h: Same.
* config/pa/pa64-regs.h: Same.
* config/sh/sh-protos.h (sh_cannot_change_mode_class): Add prototype.
* config/sh/sh.c (sh_cannot_change_mode_class): New.
* config/mips/mips-protos.h (mips_cannot_change_mode_class): Add
prototype.
* config/mips/mips.c (mips_cannot_change_mode_class): New.
* doc/tm.texi (Register Classes): Remove
CLASS_CANNOT_CHANGE_MODE and CLASS_CANNOT_CHANGE_MODE_P.
Document CANNOT_CHANGE_MODE_CLASS.
* reload.c (push_reload): Use CANNOT_CHANGE_MODE_CLASS.
(push_reload): Same.
* simplify-rtx.c (simplify_subreg): Same.
* reload1.c (choose_reload_regs): Same.
* recog.c (register_operand): Same.
* regrename.c (mode_change_ok): Change to use new
CANNOT_CHANGE_MODE_CLASS infrastructure.
* regclass.c (cannot_change_mode_set_regs): New.
Declare subregs_of_mode.
(regclass): Use subregs_of_mode.
Remove references to reg_changes_mode.
(init_reg_sets_1): Remove class_can_change_mode and
reg_changes_mode code.
(invalid_mode_change_p): New.
(dump_regclass): Use invalid_mode_change_p instead of
class_can_change_mode.
(regclass): Same.
(record_operand_costs): Do not set reg_changes_mode.
* local-alloc.c (struct qty): Remove changes_mode field.
(alloc_qty): Remove changes_mode initialization.
(update_qty_class): Remove set of changes_mode.
(find_free_reg): Use subregs_of_mode.
* global.c (find_reg): Use subregs_of_mode info.
* rtl.h (cannot_change_mode_set_regs): New prototype.
(invalid_mode_change_p): Same.
(REG_CANNOT_CHANGE_MODE_P): New macro.
* flow.c (mark_used_regs): Calculate subregs_of_mode. Remove
REG_CHANGES_MODE.
(life_analysis): Clear subregs_of_mode.
* combine.c (subst): Pass class to CLASS_CANNOT_CHANGE_MODE_P.
Remove use of CLASS_CANNOT_CHANGE_MODE.
(simplify_set): Same.
(gen_lowpart_for_combine): Calculate subregs_of_mode. Remove
REG_CHANGES_MODE.
* regs.h: Add extern for subregs_of_mode;
Include hard-reg-set and basic-block.
(REG_CHANGES_MODE): Delete.
From-SVN: r58794
Diffstat (limited to 'gcc/rtl.h')
| -rw-r--r-- | gcc/rtl.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/rtl.h b/gcc/rtl.h index 9aada8286e5..1d71ec90ce4 100644 --- a/gcc/rtl.h +++ b/gcc/rtl.h @@ -2092,6 +2092,7 @@ extern int global_alloc PARAMS ((FILE *)); extern void dump_global_regs PARAMS ((FILE *)); #endif #ifdef HARD_CONST +/* Yes, this ifdef is silly, but HARD_REG_SET is not always defined. */ extern void retry_global_alloc PARAMS ((int, HARD_REG_SET)); #endif extern void build_insn_chain PARAMS ((rtx)); @@ -2109,6 +2110,14 @@ extern void regclass PARAMS ((rtx, int, FILE *)); extern void reg_scan PARAMS ((rtx, unsigned int, int)); extern void reg_scan_update PARAMS ((rtx, rtx, unsigned int)); extern void fix_register PARAMS ((const char *, int, int)); +#ifdef HARD_CONST +extern void cannot_change_mode_set_regs PARAMS ((HARD_REG_SET *, + enum machine_mode, + unsigned int)); +#endif +extern bool invalid_mode_change_p PARAMS ((unsigned int, + enum reg_class, + enum machine_mode)); extern int delete_null_pointer_checks PARAMS ((rtx)); @@ -2269,4 +2278,5 @@ extern void invert_br_probabilities PARAMS ((rtx)); extern bool expensive_function_p PARAMS ((int)); /* In tracer.c */ extern void tracer PARAMS ((void)); + #endif /* ! GCC_RTL_H */ |