diff options
Diffstat (limited to 'contrib/gcc/rtl.h')
| -rw-r--r-- | contrib/gcc/rtl.h | 1280 |
1 files changed, 665 insertions, 615 deletions
diff --git a/contrib/gcc/rtl.h b/contrib/gcc/rtl.h index a2cb1dbf1ab9..27455f22da58 100644 --- a/contrib/gcc/rtl.h +++ b/contrib/gcc/rtl.h @@ -1,6 +1,6 @@ -/* Register Transfer Language (RTL) definitions for GNU C-Compiler +/* Register Transfer Language (RTL) definitions for GCC Copyright (C) 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, - 1999, 2000, 2001, 2002 Free Software Foundation, Inc. + 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. This file is part of GCC. @@ -25,6 +25,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA struct function; #include "machmode.h" +#include "input.h" #undef FFS /* Some systems predefine this symbol; don't let it interfere. */ #undef FLOAT /* Likewise. */ @@ -63,6 +64,7 @@ extern const char * const rtx_format[NUM_RTX_CODE]; extern const char rtx_class[NUM_RTX_CODE]; #define GET_RTX_CLASS(CODE) (rtx_class[(int) (CODE)]) +extern const unsigned char rtx_size[NUM_RTX_CODE]; extern const unsigned char rtx_next[NUM_RTX_CODE]; /* The flags and bitfields of an ADDR_DIFF_VEC. BASE is the base label @@ -103,11 +105,19 @@ typedef struct mem_attrs GTY(()) unsigned int align; /* Alignment of MEM in bits. */ } mem_attrs; +/* Structure used to describe the attributes of a REG in similar way as + mem_attrs does for MEM above. */ + +typedef struct reg_attrs GTY(()) +{ + tree decl; /* decl corresponding to REG. */ + HOST_WIDE_INT offset; /* Offset from start of DECL. */ +} reg_attrs; + /* Common union for an element of an rtx. */ union rtunion_def { - HOST_WIDE_INT rtwint; int rtint; unsigned int rtuint; const char *rtstr; @@ -120,12 +130,13 @@ union rtunion_def tree rttree; struct basic_block_def *bb; mem_attrs *rtmem; + reg_attrs *rtreg; }; typedef union rtunion_def rtunion; /* RTL expression ("rtx"). */ -struct rtx_def GTY((chain_next ("RTX_NEXT (&%h)"), +struct rtx_def GTY((chain_next ("RTX_NEXT (&%h)"), chain_prev ("RTX_PREV (&%h)"))) { /* The kind of expression this is. */ @@ -175,8 +186,9 @@ struct rtx_def GTY((chain_next ("RTX_NEXT (&%h)"), 1 in an INSN, JUMP_INSN, or CALL_INSN if insn is in a delay slot and from the target of a branch. Valid from reorg until end of compilation; cleared before used. - 1 in an INSN or related rtx if this insn is dead code. Valid only during - dead-code elimination phase; cleared before use. */ + 1 in an INSN, JUMP_INSN or CALL_INSN or related rtx if this insn is + dead code. Valid only during dead-code elimination phase; cleared + before use. */ unsigned int in_struct : 1; /* At the end of RTL generation, 1 if this rtx is used. This is used for copying shared structure. See `unshare_all_rtl'. @@ -203,10 +215,18 @@ struct rtx_def GTY((chain_next ("RTX_NEXT (&%h)"), /* The first element of the operands of this rtx. The number of operands and their types are controlled by the `code' field, according to rtl.def. */ - rtunion GTY ((special ("rtx_def"), - desc ("GET_CODE (&%0)"))) fld[1]; + union u { + rtunion fld[1]; + HOST_WIDE_INT hwint[1]; + } GTY ((special ("rtx_def"), desc ("GET_CODE (&%0)"))) u; }; +/* The size in bytes of an rtx header (code, mode and flags). */ +#define RTX_HDR_SIZE offsetof (struct rtx_def, u) + +/* The size in bytes of an rtx with code CODE. */ +#define RTX_SIZE(CODE) rtx_size[CODE] + #define NULL_RTX (rtx) 0 /* The "next" and "previous" RTX, relative to this one. */ @@ -229,10 +249,10 @@ struct rtx_def GTY((chain_next ("RTX_NEXT (&%h)"), /* Define macros to access the `code' field of the rtx. */ #define GET_CODE(RTX) ((enum rtx_code) (RTX)->code) -#define PUT_CODE(RTX, CODE) ((RTX)->code = (ENUM_BITFIELD(rtx_code)) (CODE)) +#define PUT_CODE(RTX, CODE) ((RTX)->code = (CODE)) #define GET_MODE(RTX) ((enum machine_mode) (RTX)->mode) -#define PUT_MODE(RTX, MODE) ((RTX)->mode = (ENUM_BITFIELD(machine_mode)) (MODE)) +#define PUT_MODE(RTX, MODE) ((RTX)->mode = (MODE)) /* RTL vector. These appear inside RTX's when there is a need for a variable number of things. The principle use is inside @@ -263,13 +283,6 @@ struct rtvec_def GTY(()) { /* Predicate yielding nonzero iff X is a barrier insn. */ #define BARRIER_P(X) (GET_CODE (X) == BARRIER) -/* Predicate yielding nonzero iff X is cc0. */ -#ifdef HAVE_cc0 -#define CC0_P(X) ((X) == cc0_rtx) -#else -#define CC0_P(X) 0 -#endif - /* Predicate yielding nonzero iff X is a data for a jump table. */ #define JUMP_TABLE_DATA_P(INSN) \ (JUMP_P (INSN) && (GET_CODE (PATTERN (INSN)) == ADDR_VEC || \ @@ -298,7 +311,7 @@ struct rtvec_def GTY(()) { if (GET_RTX_FORMAT(_code)[_n] != C1) \ rtl_check_failed_type1 (_rtx, _n, C1, __FILE__, __LINE__, \ __FUNCTION__); \ - &_rtx->fld[_n]; })) + &_rtx->u.fld[_n]; })) #define RTL_CHECK2(RTX, N, C1, C2) __extension__ \ (*({ rtx const _rtx = (RTX); const int _n = (N); \ @@ -310,14 +323,14 @@ struct rtvec_def GTY(()) { && GET_RTX_FORMAT(_code)[_n] != C2) \ rtl_check_failed_type2 (_rtx, _n, C1, C2, __FILE__, __LINE__, \ __FUNCTION__); \ - &_rtx->fld[_n]; })) + &_rtx->u.fld[_n]; })) #define RTL_CHECKC1(RTX, N, C) __extension__ \ (*({ rtx const _rtx = (RTX); const int _n = (N); \ if (GET_CODE (_rtx) != (C)) \ rtl_check_failed_code1 (_rtx, (C), __FILE__, __LINE__, \ __FUNCTION__); \ - &_rtx->fld[_n]; })) + &_rtx->u.fld[_n]; })) #define RTL_CHECKC2(RTX, N, C1, C2) __extension__ \ (*({ rtx const _rtx = (RTX); const int _n = (N); \ @@ -325,7 +338,7 @@ struct rtvec_def GTY(()) { if (_code != (C1) && _code != (C2)) \ rtl_check_failed_code2 (_rtx, (C1), (C2), __FILE__, __LINE__, \ __FUNCTION__); \ - &_rtx->fld[_n]; })) + &_rtx->u.fld[_n]; })) #define RTVEC_ELT(RTVEC, I) __extension__ \ (*({ rtvec const _rtvec = (RTVEC); const int _i = (I); \ @@ -334,32 +347,52 @@ struct rtvec_def GTY(()) { __FUNCTION__); \ &_rtvec->elem[_i]; })) -extern void rtl_check_failed_bounds PARAMS ((rtx, int, - const char *, int, const char *)) +#define XWINT(RTX, N) __extension__ \ +(*({ rtx const _rtx = (RTX); const int _n = (N); \ + const enum rtx_code _code = GET_CODE (_rtx); \ + if (_n < 0 || _n >= GET_RTX_LENGTH (_code)) \ + rtl_check_failed_bounds (_rtx, _n, __FILE__, __LINE__, \ + __FUNCTION__); \ + if (GET_RTX_FORMAT(_code)[_n] != 'w') \ + rtl_check_failed_type1 (_rtx, _n, 'w', __FILE__, __LINE__, \ + __FUNCTION__); \ + &_rtx->u.hwint[_n]; })) + +#define XCWINT(RTX, N, C) __extension__ \ +(*({ rtx const _rtx = (RTX); \ + if (GET_CODE (_rtx) != (C)) \ + rtl_check_failed_code1 (_rtx, (C), __FILE__, __LINE__, \ + __FUNCTION__); \ + &_rtx->u.hwint[N]; })) + +extern void rtl_check_failed_bounds (rtx, int, const char *, int, + const char *) ATTRIBUTE_NORETURN; -extern void rtl_check_failed_type1 PARAMS ((rtx, int, int, - const char *, int, const char *)) +extern void rtl_check_failed_type1 (rtx, int, int, const char *, int, + const char *) ATTRIBUTE_NORETURN; -extern void rtl_check_failed_type2 PARAMS ((rtx, int, int, int, - const char *, int, const char *)) +extern void rtl_check_failed_type2 (rtx, int, int, int, const char *, + int, const char *) ATTRIBUTE_NORETURN; -extern void rtl_check_failed_code1 PARAMS ((rtx, enum rtx_code, - const char *, int, const char *)) +extern void rtl_check_failed_code1 (rtx, enum rtx_code, const char *, + int, const char *) ATTRIBUTE_NORETURN; -extern void rtl_check_failed_code2 PARAMS ((rtx, enum rtx_code, enum rtx_code, - const char *, int, const char *)) +extern void rtl_check_failed_code2 (rtx, enum rtx_code, enum rtx_code, + const char *, int, const char *) ATTRIBUTE_NORETURN; -extern void rtvec_check_failed_bounds PARAMS ((rtvec, int, - const char *, int, const char *)) +extern void rtvec_check_failed_bounds (rtvec, int, const char *, int, + const char *) ATTRIBUTE_NORETURN; #else /* not ENABLE_RTL_CHECKING */ -#define RTL_CHECK1(RTX, N, C1) ((RTX)->fld[N]) -#define RTL_CHECK2(RTX, N, C1, C2) ((RTX)->fld[N]) -#define RTL_CHECKC1(RTX, N, C) ((RTX)->fld[N]) -#define RTL_CHECKC2(RTX, N, C1, C2) ((RTX)->fld[N]) +#define RTL_CHECK1(RTX, N, C1) ((RTX)->u.fld[N]) +#define RTL_CHECK2(RTX, N, C1, C2) ((RTX)->u.fld[N]) +#define RTL_CHECKC1(RTX, N, C) ((RTX)->u.fld[N]) +#define RTL_CHECKC2(RTX, N, C1, C2) ((RTX)->u.fld[N]) #define RTVEC_ELT(RTVEC, I) ((RTVEC)->elem[I]) +#define XWINT(RTX, N) ((RTX)->u.hwint[N]) +#define XCWINT(RTX, N, C) ((RTX)->u.hwint[N]) #endif @@ -373,75 +406,75 @@ extern void rtvec_check_failed_bounds PARAMS ((rtvec, int, ({ rtx const _rtx = (RTX); \ if (GET_CODE(_rtx) != C1) \ rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \ - __FUNCTION__); \ + __FUNCTION__); \ _rtx; }) #define RTL_FLAG_CHECK2(NAME, RTX, C1, C2) __extension__ \ ({ rtx const _rtx = (RTX); \ if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2) \ rtl_check_failed_flag (NAME,_rtx, __FILE__, __LINE__, \ - __FUNCTION__); \ + __FUNCTION__); \ _rtx; }) #define RTL_FLAG_CHECK3(NAME, RTX, C1, C2, C3) __extension__ \ ({ rtx const _rtx = (RTX); \ - if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \ + if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \ && GET_CODE(_rtx) != C3) \ rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \ - __FUNCTION__); \ + __FUNCTION__); \ _rtx; }) #define RTL_FLAG_CHECK4(NAME, RTX, C1, C2, C3, C4) __extension__ \ ({ rtx const _rtx = (RTX); \ - if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \ + if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \ && GET_CODE(_rtx) != C3 && GET_CODE(_rtx) != C4) \ rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \ - __FUNCTION__); \ + __FUNCTION__); \ _rtx; }) #define RTL_FLAG_CHECK5(NAME, RTX, C1, C2, C3, C4, C5) __extension__ \ ({ rtx const _rtx = (RTX); \ - if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \ + if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \ && GET_CODE(_rtx) != C3 && GET_CODE(_rtx) != C4 \ && GET_CODE(_rtx) != C5) \ rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \ - __FUNCTION__); \ + __FUNCTION__); \ _rtx; }) #define RTL_FLAG_CHECK6(NAME, RTX, C1, C2, C3, C4, C5, C6) \ __extension__ \ ({ rtx const _rtx = (RTX); \ - if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \ + if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \ && GET_CODE(_rtx) != C3 && GET_CODE(_rtx) != C4 \ && GET_CODE(_rtx) != C5 && GET_CODE(_rtx) != C6) \ rtl_check_failed_flag (NAME,_rtx, __FILE__, __LINE__, \ - __FUNCTION__); \ + __FUNCTION__); \ _rtx; }) #define RTL_FLAG_CHECK7(NAME, RTX, C1, C2, C3, C4, C5, C6, C7) \ __extension__ \ ({ rtx const _rtx = (RTX); \ - if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \ + if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \ && GET_CODE(_rtx) != C3 && GET_CODE(_rtx) != C4 \ && GET_CODE(_rtx) != C5 && GET_CODE(_rtx) != C6 \ && GET_CODE(_rtx) != C7) \ rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \ - __FUNCTION__); \ + __FUNCTION__); \ _rtx; }) #define RTL_FLAG_CHECK8(NAME, RTX, C1, C2, C3, C4, C5, C6, C7, C8) \ __extension__ \ ({ rtx const _rtx = (RTX); \ - if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \ + if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \ && GET_CODE(_rtx) != C3 && GET_CODE(_rtx) != C4 \ && GET_CODE(_rtx) != C5 && GET_CODE(_rtx) != C6 \ && GET_CODE(_rtx) != C7 && GET_CODE(_rtx) != C8) \ rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \ - __FUNCTION__); \ + __FUNCTION__); \ _rtx; }) -extern void rtl_check_failed_flag PARAMS ((const char *, rtx, const char *, - int, const char *)) +extern void rtl_check_failed_flag (const char *, rtx, const char *, + int, const char *) ATTRIBUTE_NORETURN ; @@ -451,7 +484,7 @@ extern void rtl_check_failed_flag PARAMS ((const char *, rtx, const char *, #define RTL_FLAG_CHECK2(NAME, RTX, C1, C2) (RTX) #define RTL_FLAG_CHECK3(NAME, RTX, C1, C2, C3) (RTX) #define RTL_FLAG_CHECK4(NAME, RTX, C1, C2, C3, C4) (RTX) -#define RTL_FLAG_CHECK5(NAME, RTX, C1, C2, C3, C4, C5) (RTX) +#define RTL_FLAG_CHECK5(NAME, RTX, C1, C2, C3, C4, C5) (RTX) #define RTL_FLAG_CHECK6(NAME, RTX, C1, C2, C3, C4, C5, C6) (RTX) #define RTL_FLAG_CHECK7(NAME, RTX, C1, C2, C3, C4, C5, C6, C7) (RTX) #define RTL_FLAG_CHECK8(NAME, RTX, C1, C2, C3, C4, C5, C6, C7, C8) (RTX) @@ -470,7 +503,6 @@ do { \ _rtx->volatil = 0; \ } while (0) -#define XWINT(RTX, N) (RTL_CHECK1 (RTX, N, 'w').rtwint) #define XINT(RTX, N) (RTL_CHECK2 (RTX, N, 'i', 'n').rtint) #define XSTR(RTX, N) (RTL_CHECK2 (RTX, N, 's', 'S').rtstr) #define XEXP(RTX, N) (RTL_CHECK2 (RTX, N, 'e', 'u').rtx) @@ -484,10 +516,9 @@ do { \ #define XVECEXP(RTX, N, M) RTVEC_ELT (XVEC (RTX, N), M) #define XVECLEN(RTX, N) GET_NUM_ELEM (XVEC (RTX, N)) -/* These are like XWINT, etc. except that they expect a '0' field instead +/* These are like XINT, etc. except that they expect a '0' field instead of the normal type code. */ -#define X0WINT(RTX, N) (RTL_CHECK1 (RTX, N, '0').rtwint) #define X0INT(RTX, N) (RTL_CHECK1 (RTX, N, '0').rtint) #define X0UINT(RTX, N) (RTL_CHECK1 (RTX, N, '0').rtuint) #define X0STR(RTX, N) (RTL_CHECK1 (RTX, N, '0').rtstr) @@ -499,9 +530,12 @@ do { \ #define X0BBDEF(RTX, N) (RTL_CHECK1 (RTX, N, '0').bb) #define X0ADVFLAGS(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_addr_diff_vec_flags) #define X0CSELIB(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_cselib) -#define X0MEMATTR(RTX, N) (RTL_CHECK1 (RTX, N, '0').rtmem) +#define X0MEMATTR(RTX, N) (RTL_CHECKC1 (RTX, N, MEM).rtmem) +#define X0REGATTR(RTX, N) (RTL_CHECKC1 (RTX, N, REG).rtreg) + +/* Access a '0' field with any type. */ +#define X0ANY(RTX, N) RTL_CHECK1 (RTX, N, '0') -#define XCWINT(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rtwint) #define XCINT(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rtint) #define XCUINT(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rtuint) #define XCSTR(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rtstr) @@ -533,7 +567,7 @@ do { \ #define NEXT_INSN(INSN) XEXP (INSN, 2) #define BLOCK_FOR_INSN(INSN) XBBDEF (INSN, 3) -#define INSN_SCOPE(INSN) XTREE (INSN, 4) +#define INSN_LOCATOR(INSN) XINT (INSN, 4) /* The body of an insn. */ #define PATTERN(INSN) XEXP (INSN, 5) @@ -579,7 +613,7 @@ do { \ /* 1 if RTX is an insn that is dead code. Valid only for dead-code elimination phase. */ #define INSN_DEAD_CODE_P(RTX) \ - (RTL_FLAG_CHECK1("INSN_DEAD_CODE_P", (RTX), INSN)->in_struct) + (RTL_FLAG_CHECK3("INSN_DEAD_CODE_P", (RTX), INSN, CALL_INSN, JUMP_INSN)->in_struct) /* 1 if RTX is an insn in a delay slot and is from the target of the branch. If the branch insn has INSN_ANNULLED_BRANCH_P set, this insn should only be @@ -627,12 +661,6 @@ enum reg_note but it can be used for cse. */ REG_EQUAL, - /* The register set in this insn held 0 before the insn. The contents of - the note is the insn that stored the 0. If that insn is deleted or - patched to a NOTE, the REG_WAS_0 is inoperative. The REG_WAS_0 note - is actually an INSN_LIST, not an EXPR_LIST. */ - REG_WAS_0, - /* This insn copies the return-value of a library call out of the hard reg for return values. This note is actually an INSN_LIST and it points to the first insn involved in setting up arguments for the call. flow.c @@ -668,7 +696,7 @@ enum reg_note REG_CC_SETTER, REG_CC_USER, /* Points to a CODE_LABEL. Used by non-JUMP_INSNs to say that the - CODE_LABEL contained in the REG_LABEL note is used by the insn. + CODE_LABEL contained in the REG_LABEL note is used by the insn. This note is an INSN_LIST. */ REG_LABEL, @@ -684,6 +712,11 @@ enum reg_note return. */ REG_BR_PROB, + /* REG_VALUE_PROFILE is attached when the profile is read in to an insn + before that the code to profile the value is inserted. It contains + the results of profiling. */ + REG_VALUE_PROFILE, + /* Attached to a call insn; indicates that the call is malloc-like and that the pointer returned cannot alias anything else. */ REG_NOALIAS, @@ -719,14 +752,14 @@ enum reg_note /* Indicates that this insn (which is part of the prologue) computes a value which might not be used later, and if so it's OK to delete - the insn. Normally, deleting any insn in the prologue is an error. + the insn. Normally, deleting any insn in the prologue is an error. At present the parameter is unused and set to (const_int 0). */ REG_MAYBE_DEAD, /* Indicates that a call does not return. */ REG_NORETURN, - /* Indicates that an indirect jump is a non-local goto instead of a + /* Indicates that an indirect jump is a non-local goto instead of a computed goto. */ REG_NON_LOCAL_GOTO, @@ -777,7 +810,9 @@ extern const char * const reg_note_name[]; between ints and pointers if we use a different macro for the block number.) */ -#define NOTE_SOURCE_FILE(INSN) XCSTR (INSN, 4, NOTE) +/* Opaque data. */ +#define NOTE_DATA(INSN) RTL_CHECKC1 (INSN, 4, NOTE) +#define NOTE_SOURCE_FILE(INSN) XCSTR (INSN, 4, NOTE) #define NOTE_BLOCK(INSN) XCTREE (INSN, 4, NOTE) #define NOTE_EH_HANDLER(INSN) XCINT (INSN, 4, NOTE) #define NOTE_BASIC_BLOCK(INSN) XCBBDEF (INSN, 4, NOTE) @@ -790,7 +825,7 @@ extern const char * const reg_note_name[]; #define NOTE_LINE_NUMBER(INSN) XCINT (INSN, 5, NOTE) /* Nonzero if INSN is a note marking the beginning of a basic block. */ -#define NOTE_INSN_BASIC_BLOCK_P(INSN) \ +#define NOTE_INSN_BASIC_BLOCK_P(INSN) \ (GET_CODE (INSN) == NOTE \ && NOTE_LINE_NUMBER (INSN) == NOTE_INSN_BASIC_BLOCK) @@ -862,7 +897,7 @@ enum insn_note their homes, etc. */ NOTE_INSN_FUNCTION_BEG, - /* These note where exception handling regions begin and end. + /* These note where exception handling regions begin and end. Uses NOTE_EH_HANDLER to identify the region in question. */ NOTE_INSN_EH_REGION_BEG, NOTE_INSN_EH_REGION_END, @@ -1010,7 +1045,7 @@ enum label_kind /* For a CONST_DOUBLE: For a DImode, there are two integers CONST_DOUBLE_LOW is the low-order word and ..._HIGH the high-order. - For a float, there is a REAL_VALUE_TYPE structure, and + For a float, there is a REAL_VALUE_TYPE structure, and CONST_DOUBLE_REAL_VALUE(r) is a pointer to it. */ #define CONST_DOUBLE_LOW(r) XCWINT (r, 0, CONST_DOUBLE) #define CONST_DOUBLE_HIGH(r) XCWINT (r, 1, CONST_DOUBLE) @@ -1029,16 +1064,12 @@ enum label_kind #define SUBREG_BYTE(RTX) XCUINT (RTX, 1, SUBREG) /* in rtlanal.c */ -extern unsigned int subreg_lsb PARAMS ((rtx)); -extern unsigned int subreg_regno_offset PARAMS ((unsigned int, - enum machine_mode, - unsigned int, - enum machine_mode)); -extern bool subreg_offset_representable_p PARAMS ((unsigned int, - enum machine_mode, - unsigned int, - enum machine_mode)); -extern unsigned int subreg_regno PARAMS ((rtx)); +extern unsigned int subreg_lsb (rtx); +extern unsigned int subreg_regno_offset (unsigned int, enum machine_mode, + unsigned int, enum machine_mode); +extern bool subreg_offset_representable_p (unsigned int, enum machine_mode, + unsigned int, enum machine_mode); +extern unsigned int subreg_regno (rtx); /* 1 if RTX is a subreg containing a reg that is already known to be sign- or zero-extended from the mode of the subreg to the mode of @@ -1131,15 +1162,16 @@ do { \ in the block and provide defaults if none specified. */ #define MEM_ATTRS(RTX) X0MEMATTR (RTX, 1) +/* The register attribute block. We provide access macros for each value + in the block and provide defaults if none specified. */ +#define REG_ATTRS(RTX) X0REGATTR (RTX, 2) + /* For a MEM rtx, the alias set. If 0, this MEM is not in any alias set, and may alias anything. Otherwise, the MEM can only alias - MEMs in the same alias set. This value is set in a + MEMs in a conflicting alias set. This value is set in a language-dependent manner in the front-end, and should not be - altered in the back-end. These set numbers are tested for zero, - and compared for equality; they have no other significance. In - some front-ends, these numbers may correspond in some way to types, - or other language-level entities, but they need not, and the - back-end makes no such assumptions. */ + altered in the back-end. These set numbers are tested with + alias_sets_conflict_p. */ #define MEM_ALIAS_SET(RTX) (MEM_ATTRS (RTX) == 0 ? 0 : MEM_ATTRS (RTX)->alias) /* For a MEM rtx, the decl it is known to refer to, if it is known to @@ -1164,6 +1196,14 @@ do { \ : (STRICT_ALIGNMENT && GET_MODE (RTX) != BLKmode \ ? GET_MODE_ALIGNMENT (GET_MODE (RTX)) : BITS_PER_UNIT)) +/* For a REG rtx, the decl it is known to refer to, if it is known to + refer to part of a DECL. */ +#define REG_EXPR(RTX) (REG_ATTRS (RTX) == 0 ? 0 : REG_ATTRS (RTX)->decl) + +/* For a MEM rtx, the offset from the start of MEM_DECL, if known, as a + RTX that is always a CONST_INT. */ +#define REG_OFFSET(RTX) (REG_ATTRS (RTX) == 0 ? 0 : REG_ATTRS (RTX)->offset) + /* Copy the attributes that apply to memory locations from RHS to LHS. */ #define MEM_COPY_ATTRIBUTES(LHS, RHS) \ (MEM_VOLATILE_P (LHS) = MEM_VOLATILE_P (RHS), \ @@ -1216,14 +1256,16 @@ do { \ #define COND_EXEC_TEST(RTX) XCEXP (RTX, 0, COND_EXEC) #define COND_EXEC_CODE(RTX) XCEXP (RTX, 1, COND_EXEC) -/* 1 if RTX is a symbol_ref that addresses this function's constants pool. */ +/* 1 if RTX is a symbol_ref that addresses this function's rtl + constants pool. */ #define CONSTANT_POOL_ADDRESS_P(RTX) \ (RTL_FLAG_CHECK1("CONSTANT_POOL_ADDRESS_P", (RTX), SYMBOL_REF)->unchanging) -/* 1 if RTX is a symbol_ref that addresses this function's string constant - pool */ -#define STRING_POOL_ADDRESS_P(RTX) \ - (RTL_FLAG_CHECK1("STRING_POOL_ADDRESS_P", (RTX), SYMBOL_REF)->frame_related) +/* 1 if RTX is a symbol_ref that addresses a value in the file's + tree constant pool. This information is private to varasm.c. */ +#define TREE_CONSTANT_POOL_ADDRESS_P(RTX) \ + (RTL_FLAG_CHECK1("TREE_CONSTANT_POOL_ADDRESS_P", \ + (RTX), SYMBOL_REF)->frame_related) /* Used if RTX is a symbol_ref, for machine-specific purposes. */ #define SYMBOL_REF_FLAG(RTX) \ @@ -1238,6 +1280,47 @@ do { \ #define SYMBOL_REF_WEAK(RTX) \ (RTL_FLAG_CHECK1("SYMBOL_REF_WEAK", (RTX), SYMBOL_REF)->integrated) +/* The tree (decl or constant) associated with the symbol, or null. */ +#define SYMBOL_REF_DECL(RTX) X0TREE ((RTX), 2) + +/* A set of flags on a symbol_ref that are, in some respects, redundant with + information derivable from the tree decl associated with this symbol. + Except that we build a *lot* of SYMBOL_REFs that aren't associated with a + decl. In some cases this is a bug. But beyond that, it's nice to cache + this information to avoid recomputing it. Finally, this allows space for + the target to store more than one bit of information, as with + SYMBOL_REF_FLAG. */ +#define SYMBOL_REF_FLAGS(RTX) X0INT ((RTX), 1) + +/* These flags are common enough to be defined for all targets. They + are computed by the default version of targetm.encode_section_info. */ + +/* Set if this symbol is a function. */ +#define SYMBOL_FLAG_FUNCTION (1 << 0) +#define SYMBOL_REF_FUNCTION_P(RTX) \ + ((SYMBOL_REF_FLAGS (RTX) & SYMBOL_FLAG_FUNCTION) != 0) +/* Set if targetm.binds_local_p is true. */ +#define SYMBOL_FLAG_LOCAL (1 << 1) +#define SYMBOL_REF_LOCAL_P(RTX) \ + ((SYMBOL_REF_FLAGS (RTX) & SYMBOL_FLAG_LOCAL) != 0) +/* Set if targetm.in_small_data_p is true. */ +#define SYMBOL_FLAG_SMALL (1 << 2) +#define SYMBOL_REF_SMALL_P(RTX) \ + ((SYMBOL_REF_FLAGS (RTX) & SYMBOL_FLAG_SMALL) != 0) +/* The three-bit field at [5:3] is true for TLS variables; use + SYMBOL_REF_TLS_MODEL to extract the field as an enum tls_model. */ +#define SYMBOL_FLAG_TLS_SHIFT 3 +#define SYMBOL_REF_TLS_MODEL(RTX) \ + ((enum tls_model) ((SYMBOL_REF_FLAGS (RTX) >> SYMBOL_FLAG_TLS_SHIFT) & 7)) +/* Set if this symbol is not defined in this translation unit. */ +#define SYMBOL_FLAG_EXTERNAL (1 << 6) +#define SYMBOL_REF_EXTERNAL_P(RTX) \ + ((SYMBOL_REF_FLAGS (RTX) & SYMBOL_FLAG_EXTERNAL) != 0) + +/* Subsequent bits are available for the target to use. */ +#define SYMBOL_FLAG_MACH_DEP_SHIFT 7 +#define SYMBOL_FLAG_MACH_DEP (1 << SYMBOL_FLAG_MACH_DEP_SHIFT) + /* Define a macro to look for REG_INC notes, but save time on machines where they never exist. */ @@ -1344,234 +1427,228 @@ extern int generating_concat_p; /* Generally useful functions. */ /* In expmed.c */ -extern int ceil_log2 PARAMS ((unsigned HOST_WIDE_INT)); +extern int ceil_log2 (unsigned HOST_WIDE_INT); #define plus_constant(X, C) plus_constant_wide ((X), (HOST_WIDE_INT) (C)) /* In builtins.c */ -extern rtx expand_builtin_expect_jump PARAMS ((tree, rtx, rtx)); +extern rtx expand_builtin_expect_jump (tree, rtx, rtx); +extern void purge_builtin_constant_p (void); /* In explow.c */ -extern void set_stack_check_libfunc PARAMS ((rtx)); -extern HOST_WIDE_INT trunc_int_for_mode PARAMS ((HOST_WIDE_INT, - enum machine_mode)); -extern rtx plus_constant_wide PARAMS ((rtx, HOST_WIDE_INT)); -extern rtx plus_constant_for_output_wide PARAMS ((rtx, HOST_WIDE_INT)); -extern void optimize_save_area_alloca PARAMS ((rtx)); +extern void set_stack_check_libfunc (rtx); +extern HOST_WIDE_INT trunc_int_for_mode (HOST_WIDE_INT, enum machine_mode); +extern rtx plus_constant_wide (rtx, HOST_WIDE_INT); +extern rtx plus_constant_for_output_wide (rtx, HOST_WIDE_INT); +extern void optimize_save_area_alloca (rtx); /* In emit-rtl.c */ -extern rtx gen_rtx PARAMS ((enum rtx_code, - enum machine_mode, ...)); -extern rtvec gen_rtvec PARAMS ((int, ...)); -extern rtx copy_insn_1 PARAMS ((rtx)); -extern rtx copy_insn PARAMS ((rtx)); -extern rtx gen_int_mode PARAMS ((HOST_WIDE_INT, - enum machine_mode)); -extern rtx emit_copy_of_insn_after PARAMS ((rtx, rtx)); +extern rtx gen_rtx (enum rtx_code, enum machine_mode, ...); +extern rtvec gen_rtvec (int, ...); +extern rtx copy_insn_1 (rtx); +extern rtx copy_insn (rtx); +extern rtx gen_int_mode (HOST_WIDE_INT, enum machine_mode); +extern rtx emit_copy_of_insn_after (rtx, rtx); +extern void set_reg_attrs_from_mem (rtx, rtx); +extern void set_mem_attrs_from_reg (rtx, rtx); +extern void set_reg_attrs_for_parm (rtx, rtx); +extern int mem_expr_equal_p (tree, tree); /* In rtl.c */ -extern rtx rtx_alloc PARAMS ((RTX_CODE)); -extern rtvec rtvec_alloc PARAMS ((int)); -extern rtx copy_rtx PARAMS ((rtx)); +extern rtx rtx_alloc (RTX_CODE); +extern rtvec rtvec_alloc (int); +extern rtx copy_rtx (rtx); +extern void dump_rtx_statistics (void); /* In emit-rtl.c */ -extern rtx copy_rtx_if_shared PARAMS ((rtx)); +extern rtx copy_rtx_if_shared (rtx); /* In rtl.c */ -extern rtx copy_most_rtx PARAMS ((rtx, rtx)); -extern rtx shallow_copy_rtx PARAMS ((rtx)); -extern int rtx_equal_p PARAMS ((rtx, rtx)); +extern rtx copy_most_rtx (rtx, rtx); +extern rtx shallow_copy_rtx (rtx); +extern int rtx_equal_p (rtx, rtx); /* In emit-rtl.c */ -extern rtvec gen_rtvec_v PARAMS ((int, rtx *)); -extern rtx gen_reg_rtx PARAMS ((enum machine_mode)); -extern rtx gen_label_rtx PARAMS ((void)); -extern int subreg_hard_regno PARAMS ((rtx, int)); -extern rtx gen_lowpart_common PARAMS ((enum machine_mode, rtx)); -extern rtx gen_lowpart PARAMS ((enum machine_mode, rtx)); +extern rtvec gen_rtvec_v (int, rtx *); +extern rtx gen_reg_rtx (enum machine_mode); +extern rtx gen_rtx_REG_offset (rtx, enum machine_mode, unsigned int, int); +extern rtx gen_label_rtx (void); +extern int subreg_hard_regno (rtx, int); +extern rtx gen_lowpart_common (enum machine_mode, rtx); +extern rtx gen_lowpart (enum machine_mode, rtx); /* In cse.c */ -extern rtx gen_lowpart_if_possible PARAMS ((enum machine_mode, rtx)); +extern rtx gen_lowpart_if_possible (enum machine_mode, rtx); /* In emit-rtl.c */ -extern rtx gen_highpart PARAMS ((enum machine_mode, rtx)); -extern rtx gen_highpart_mode PARAMS ((enum machine_mode, - enum machine_mode, rtx)); -extern rtx gen_realpart PARAMS ((enum machine_mode, rtx)); -extern rtx gen_imagpart PARAMS ((enum machine_mode, rtx)); -extern rtx operand_subword PARAMS ((rtx, unsigned int, int, - enum machine_mode)); -extern rtx constant_subword PARAMS ((rtx, int, - enum machine_mode)); +extern rtx gen_highpart (enum machine_mode, rtx); +extern rtx gen_highpart_mode (enum machine_mode, enum machine_mode, rtx); +extern rtx gen_realpart (enum machine_mode, rtx); +extern rtx gen_imagpart (enum machine_mode, rtx); +extern rtx operand_subword (rtx, unsigned int, int, enum machine_mode); /* In emit-rtl.c */ -extern rtx operand_subword_force PARAMS ((rtx, unsigned int, - enum machine_mode)); -extern int subreg_lowpart_p PARAMS ((rtx)); -extern unsigned int subreg_lowpart_offset PARAMS ((enum machine_mode, - enum machine_mode)); -extern unsigned int subreg_highpart_offset PARAMS ((enum machine_mode, - enum machine_mode)); -extern rtx make_safe_from PARAMS ((rtx, rtx)); -extern rtx convert_memory_address PARAMS ((enum machine_mode, rtx)); -extern rtx get_insns PARAMS ((void)); -extern const char *get_insn_name PARAMS ((int)); -extern rtx get_last_insn PARAMS ((void)); -extern rtx get_last_insn_anywhere PARAMS ((void)); -extern rtx get_first_nonnote_insn PARAMS ((void)); -extern rtx get_last_nonnote_insn PARAMS ((void)); -extern void start_sequence PARAMS ((void)); -extern void push_to_sequence PARAMS ((rtx)); -extern void end_sequence PARAMS ((void)); -extern void push_to_full_sequence PARAMS ((rtx, rtx)); -extern void end_full_sequence PARAMS ((rtx*, rtx*)); +extern rtx operand_subword_force (rtx, unsigned int, enum machine_mode); +extern int subreg_lowpart_p (rtx); +extern unsigned int subreg_lowpart_offset (enum machine_mode, + enum machine_mode); +extern unsigned int subreg_highpart_offset (enum machine_mode, + enum machine_mode); +extern rtx make_safe_from (rtx, rtx); +extern rtx convert_memory_address (enum machine_mode, rtx); +extern rtx get_insns (void); +extern const char *get_insn_name (int); +extern rtx get_last_insn (void); +extern rtx get_last_insn_anywhere (void); +extern rtx get_first_nonnote_insn (void); +extern rtx get_last_nonnote_insn (void); +extern void start_sequence (void); +extern void push_to_sequence (rtx); +extern void end_sequence (void); +extern void push_to_full_sequence (rtx, rtx); +extern void end_full_sequence (rtx*, rtx*); +extern rtx immed_double_const (HOST_WIDE_INT, HOST_WIDE_INT, + enum machine_mode); /* In varasm.c */ -extern rtx immed_double_const PARAMS ((HOST_WIDE_INT, HOST_WIDE_INT, enum machine_mode)); -extern rtx mem_for_const_double PARAMS ((rtx)); -extern rtx force_const_mem PARAMS ((enum machine_mode, rtx)); +extern rtx force_const_mem (enum machine_mode, rtx); /* In varasm.c */ -extern rtx get_pool_constant PARAMS ((rtx)); -extern rtx get_pool_constant_mark PARAMS ((rtx, bool *)); -extern enum machine_mode get_pool_mode PARAMS ((rtx)); -extern rtx get_pool_constant_for_function PARAMS ((struct function *, rtx)); -extern enum machine_mode get_pool_mode_for_function PARAMS ((struct function *, rtx)); -extern int get_pool_offset PARAMS ((rtx)); -extern rtx simplify_subtraction PARAMS ((rtx)); +extern rtx get_pool_constant (rtx); +extern rtx get_pool_constant_mark (rtx, bool *); +extern enum machine_mode get_pool_mode (rtx); +extern rtx get_pool_constant_for_function (struct function *, rtx); +extern enum machine_mode get_pool_mode_for_function (struct function *, rtx); +extern int get_pool_offset (rtx); +extern rtx simplify_subtraction (rtx); /* In function.c */ -extern rtx assign_stack_local PARAMS ((enum machine_mode, - HOST_WIDE_INT, int)); -extern rtx assign_stack_temp PARAMS ((enum machine_mode, - HOST_WIDE_INT, int)); -extern rtx assign_stack_temp_for_type PARAMS ((enum machine_mode, - HOST_WIDE_INT, int, tree)); -extern rtx assign_temp PARAMS ((tree, int, int, int)); +extern rtx assign_stack_local (enum machine_mode, HOST_WIDE_INT, int); +extern rtx assign_stack_temp (enum machine_mode, HOST_WIDE_INT, int); +extern rtx assign_stack_temp_for_type (enum machine_mode, + HOST_WIDE_INT, int, tree); +extern rtx assign_temp (tree, int, int, int); + /* In emit-rtl.c */ -extern rtx emit_insn_before PARAMS ((rtx, rtx)); -extern rtx emit_insn_before_scope PARAMS ((rtx, rtx, tree)); -extern rtx emit_jump_insn_before PARAMS ((rtx, rtx)); -extern rtx emit_jump_insn_before_scope PARAMS ((rtx, rtx, tree)); -extern rtx emit_call_insn_before PARAMS ((rtx, rtx)); -extern rtx emit_call_insn_before_scope PARAMS ((rtx, rtx, tree)); -extern rtx emit_barrier_before PARAMS ((rtx)); -extern rtx emit_label_before PARAMS ((rtx, rtx)); -extern rtx emit_note_before PARAMS ((int, rtx)); -extern rtx emit_insn_after PARAMS ((rtx, rtx)); -extern rtx emit_insn_after_scope PARAMS ((rtx, rtx, tree)); -extern rtx emit_jump_insn_after PARAMS ((rtx, rtx)); -extern rtx emit_jump_insn_after_scope PARAMS ((rtx, rtx, tree)); -extern rtx emit_call_insn_after PARAMS ((rtx, rtx)); -extern rtx emit_call_insn_after_scope PARAMS ((rtx, rtx, tree)); -extern rtx emit_barrier_after PARAMS ((rtx)); -extern rtx emit_label_after PARAMS ((rtx, rtx)); -extern rtx emit_note_after PARAMS ((int, rtx)); -extern rtx emit_line_note_after PARAMS ((const char *, int, rtx)); -extern rtx emit_insn PARAMS ((rtx)); -extern rtx emit_jump_insn PARAMS ((rtx)); -extern rtx emit_call_insn PARAMS ((rtx)); -extern rtx emit_label PARAMS ((rtx)); -extern rtx emit_barrier PARAMS ((void)); -extern rtx emit_line_note PARAMS ((const char *, int)); -extern rtx emit_note PARAMS ((const char *, int)); -extern rtx emit_line_note_force PARAMS ((const char *, int)); -extern rtx make_insn_raw PARAMS ((rtx)); -extern rtx previous_insn PARAMS ((rtx)); -extern rtx next_insn PARAMS ((rtx)); -extern rtx prev_nonnote_insn PARAMS ((rtx)); -extern rtx next_nonnote_insn PARAMS ((rtx)); -extern rtx prev_real_insn PARAMS ((rtx)); -extern rtx next_real_insn PARAMS ((rtx)); -extern rtx prev_active_insn PARAMS ((rtx)); -extern rtx next_active_insn PARAMS ((rtx)); -extern int active_insn_p PARAMS ((rtx)); -extern rtx prev_label PARAMS ((rtx)); -extern rtx next_label PARAMS ((rtx)); -extern rtx next_cc0_user PARAMS ((rtx)); -extern rtx prev_cc0_setter PARAMS ((rtx)); +extern rtx emit_insn_before (rtx, rtx); +extern rtx emit_insn_before_noloc (rtx, rtx); +extern rtx emit_insn_before_setloc (rtx, rtx, int); +extern rtx emit_jump_insn_before (rtx, rtx); +extern rtx emit_jump_insn_before_noloc (rtx, rtx); +extern rtx emit_jump_insn_before_setloc (rtx, rtx, int); +extern rtx emit_call_insn_before (rtx, rtx); +extern rtx emit_call_insn_before_noloc (rtx, rtx); +extern rtx emit_call_insn_before_setloc (rtx, rtx, int); +extern rtx emit_barrier_before (rtx); +extern rtx emit_label_before (rtx, rtx); +extern rtx emit_note_before (int, rtx); +extern rtx emit_insn_after (rtx, rtx); +extern rtx emit_insn_after_noloc (rtx, rtx); +extern rtx emit_insn_after_setloc (rtx, rtx, int); +extern rtx emit_jump_insn_after (rtx, rtx); +extern rtx emit_jump_insn_after_noloc (rtx, rtx); +extern rtx emit_jump_insn_after_setloc (rtx, rtx, int); +extern rtx emit_call_insn_after (rtx, rtx); +extern rtx emit_call_insn_after_noloc (rtx, rtx); +extern rtx emit_call_insn_after_setloc (rtx, rtx, int); +extern rtx emit_barrier_after (rtx); +extern rtx emit_label_after (rtx, rtx); +extern rtx emit_note_after (int, rtx); +extern rtx emit_note_copy_after (rtx, rtx); +extern rtx emit_insn (rtx); +extern rtx emit_jump_insn (rtx); +extern rtx emit_call_insn (rtx); +extern rtx emit_label (rtx); +extern rtx emit_barrier (void); +extern rtx emit_note (int); +extern rtx emit_note_copy (rtx); +extern rtx emit_line_note (location_t); +extern rtx make_insn_raw (rtx); +extern void add_function_usage_to (rtx, rtx); +extern rtx last_call_insn (void); +extern rtx previous_insn (rtx); +extern rtx next_insn (rtx); +extern rtx prev_nonnote_insn (rtx); +extern rtx next_nonnote_insn (rtx); +extern rtx prev_real_insn (rtx); +extern rtx next_real_insn (rtx); +extern rtx prev_active_insn (rtx); +extern rtx next_active_insn (rtx); +extern int active_insn_p (rtx); +extern rtx prev_label (rtx); +extern rtx next_label (rtx); +extern rtx next_cc0_user (rtx); +extern rtx prev_cc0_setter (rtx); /* In cfglayout.c */ -extern tree choose_inner_scope PARAMS ((tree, tree)); +extern tree choose_inner_scope (tree, tree); +extern int insn_line (rtx); +extern const char * insn_file (rtx); +extern int locator_line (int); +extern const char * locator_file (int); +extern int prologue_locator, epilogue_locator; /* In jump.c */ -extern rtx next_nondeleted_insn PARAMS ((rtx)); -extern enum rtx_code reverse_condition PARAMS ((enum rtx_code)); -extern enum rtx_code reverse_condition_maybe_unordered PARAMS ((enum rtx_code)); -extern enum rtx_code swap_condition PARAMS ((enum rtx_code)); -extern enum rtx_code unsigned_condition PARAMS ((enum rtx_code)); -extern enum rtx_code signed_condition PARAMS ((enum rtx_code)); -extern void mark_jump_label PARAMS ((rtx, rtx, int)); -extern void cleanup_barriers PARAMS ((void)); +extern enum rtx_code reverse_condition (enum rtx_code); +extern enum rtx_code reverse_condition_maybe_unordered (enum rtx_code); +extern enum rtx_code swap_condition (enum rtx_code); +extern enum rtx_code unsigned_condition (enum rtx_code); +extern enum rtx_code signed_condition (enum rtx_code); +extern void mark_jump_label (rtx, rtx, int); +extern void cleanup_barriers (void); /* In jump.c */ -extern bool squeeze_notes PARAMS ((rtx *, rtx *)); -extern rtx delete_related_insns PARAMS ((rtx)); -extern void delete_jump PARAMS ((rtx)); -extern void delete_barrier PARAMS ((rtx)); -extern rtx get_label_before PARAMS ((rtx)); -extern rtx get_label_after PARAMS ((rtx)); -extern rtx follow_jumps PARAMS ((rtx)); +extern bool squeeze_notes (rtx *, rtx *); +extern rtx delete_related_insns (rtx); +extern void delete_jump (rtx); +extern void delete_barrier (rtx); +extern rtx get_label_before (rtx); +extern rtx get_label_after (rtx); +extern rtx follow_jumps (rtx); /* In recog.c */ -extern rtx *find_constant_term_loc PARAMS ((rtx *)); +extern rtx *find_constant_term_loc (rtx *); /* In emit-rtl.c */ -extern rtx try_split PARAMS ((rtx, rtx, int)); +extern rtx try_split (rtx, rtx, int); extern int split_branch_probability; /* In unknown file */ -extern rtx split_insns PARAMS ((rtx, rtx)); +extern rtx split_insns (rtx, rtx); /* In simplify-rtx.c */ -extern rtx simplify_unary_operation PARAMS ((enum rtx_code, - enum machine_mode, rtx, - enum machine_mode)); -extern rtx simplify_binary_operation PARAMS ((enum rtx_code, - enum machine_mode, rtx, - rtx)); -extern rtx simplify_ternary_operation PARAMS ((enum rtx_code, - enum machine_mode, - enum machine_mode, rtx, rtx, - rtx)); -extern rtx simplify_relational_operation PARAMS ((enum rtx_code, - enum machine_mode, rtx, - rtx)); -extern rtx simplify_gen_binary PARAMS ((enum rtx_code, - enum machine_mode, - rtx, rtx)); -extern rtx simplify_gen_unary PARAMS ((enum rtx_code, - enum machine_mode, rtx, - enum machine_mode)); -extern rtx simplify_gen_ternary PARAMS ((enum rtx_code, - enum machine_mode, - enum machine_mode, - rtx, rtx, rtx)); -extern rtx simplify_gen_relational PARAMS ((enum rtx_code, - enum machine_mode, - enum machine_mode, - rtx, rtx)); -extern rtx simplify_subreg PARAMS ((enum machine_mode, - rtx, - enum machine_mode, - unsigned int)); -extern rtx simplify_gen_subreg PARAMS ((enum machine_mode, - rtx, - enum machine_mode, - unsigned int)); -extern rtx simplify_replace_rtx PARAMS ((rtx, rtx, rtx)); -extern rtx simplify_rtx PARAMS ((rtx)); -extern rtx avoid_constant_pool_reference PARAMS ((rtx)); +extern rtx simplify_unary_operation (enum rtx_code, enum machine_mode, rtx, + enum machine_mode); +extern rtx simplify_binary_operation (enum rtx_code, enum machine_mode, rtx, + rtx); +extern rtx simplify_ternary_operation (enum rtx_code, enum machine_mode, + enum machine_mode, rtx, rtx, rtx); +extern rtx simplify_relational_operation (enum rtx_code, enum machine_mode, + rtx, rtx); +extern rtx simplify_gen_binary (enum rtx_code, enum machine_mode, rtx, rtx); +extern rtx simplify_gen_unary (enum rtx_code, enum machine_mode, rtx, + enum machine_mode); +extern rtx simplify_gen_ternary (enum rtx_code, enum machine_mode, + enum machine_mode, rtx, rtx, rtx); +extern rtx simplify_gen_relational (enum rtx_code, enum machine_mode, + enum machine_mode, rtx, rtx); +extern rtx simplify_subreg (enum machine_mode, rtx, enum machine_mode, + unsigned int); +extern rtx simplify_gen_subreg (enum machine_mode, rtx, enum machine_mode, + unsigned int); +extern rtx simplify_replace_rtx (rtx, rtx, rtx); +extern rtx simplify_rtx (rtx); +extern rtx avoid_constant_pool_reference (rtx); /* In function.c */ -extern rtx gen_mem_addressof PARAMS ((rtx, tree, int)); +extern rtx gen_mem_addressof (rtx, tree, int); /* In regclass.c */ -extern enum machine_mode choose_hard_reg_mode PARAMS ((unsigned int, - unsigned int)); +extern enum machine_mode choose_hard_reg_mode (unsigned int, unsigned int, + bool); /* In emit-rtl.c */ -extern rtx set_unique_reg_note PARAMS ((rtx, enum reg_note, rtx)); +extern rtx set_unique_reg_note (rtx, enum reg_note, rtx); /* Functions in rtlanal.c */ @@ -1582,113 +1659,117 @@ extern rtx set_unique_reg_note PARAMS ((rtx, enum reg_note, rtx)); : NULL_RTX) #define single_set_1(I) single_set_2 (I, PATTERN (I)) -extern int rtx_addr_can_trap_p PARAMS ((rtx)); -extern int rtx_unstable_p PARAMS ((rtx)); -extern int rtx_varies_p PARAMS ((rtx, int)); -extern int rtx_addr_varies_p PARAMS ((rtx, int)); -extern HOST_WIDE_INT get_integer_term PARAMS ((rtx)); -extern rtx get_related_value PARAMS ((rtx)); -extern rtx get_jump_table_offset PARAMS ((rtx, rtx *)); -extern int global_reg_mentioned_p PARAMS ((rtx)); -extern int reg_mentioned_p PARAMS ((rtx, rtx)); -extern int count_occurrences PARAMS ((rtx, rtx, int)); -extern int reg_referenced_p PARAMS ((rtx, rtx)); -extern int reg_used_between_p PARAMS ((rtx, rtx, rtx)); -extern int reg_referenced_between_p PARAMS ((rtx, rtx, rtx)); -extern int reg_set_between_p PARAMS ((rtx, rtx, rtx)); -extern int regs_set_between_p PARAMS ((rtx, rtx, rtx)); -extern int commutative_operand_precedence PARAMS ((rtx)); -extern int swap_commutative_operands_p PARAMS ((rtx, rtx)); -extern int modified_between_p PARAMS ((rtx, rtx, rtx)); -extern int no_labels_between_p PARAMS ((rtx, rtx)); -extern int no_jumps_between_p PARAMS ((rtx, rtx)); -extern int modified_in_p PARAMS ((rtx, rtx)); -extern int insn_dependent_p PARAMS ((rtx, rtx)); -extern int reg_set_p PARAMS ((rtx, rtx)); -extern rtx single_set_2 PARAMS ((rtx, rtx)); -extern int multiple_sets PARAMS ((rtx)); -extern int set_noop_p PARAMS ((rtx)); -extern int noop_move_p PARAMS ((rtx)); -extern rtx find_last_value PARAMS ((rtx, rtx *, rtx, int)); -extern int refers_to_regno_p PARAMS ((unsigned int, unsigned int, - rtx, rtx *)); -extern int reg_overlap_mentioned_p PARAMS ((rtx, rtx)); -extern rtx set_of PARAMS ((rtx, rtx)); -extern void note_stores PARAMS ((rtx, - void (*) (rtx, rtx, void *), - void *)); -extern void note_uses PARAMS ((rtx *, - void (*) (rtx *, void *), - void *)); -extern rtx reg_set_last PARAMS ((rtx, rtx)); -extern int dead_or_set_p PARAMS ((rtx, rtx)); -extern int dead_or_set_regno_p PARAMS ((rtx, unsigned int)); -extern rtx find_reg_note PARAMS ((rtx, enum reg_note, rtx)); -extern rtx find_regno_note PARAMS ((rtx, enum reg_note, - unsigned int)); -extern rtx find_reg_equal_equiv_note PARAMS ((rtx)); -extern int find_reg_fusage PARAMS ((rtx, enum rtx_code, rtx)); -extern int find_regno_fusage PARAMS ((rtx, enum rtx_code, - unsigned int)); -extern int pure_call_p PARAMS ((rtx)); -extern void remove_note PARAMS ((rtx, rtx)); -extern int side_effects_p PARAMS ((rtx)); -extern int volatile_refs_p PARAMS ((rtx)); -extern int volatile_insn_p PARAMS ((rtx)); -extern int may_trap_p PARAMS ((rtx)); -extern int inequality_comparisons_p PARAMS ((rtx)); -extern rtx replace_rtx PARAMS ((rtx, rtx, rtx)); -extern rtx replace_regs PARAMS ((rtx, rtx *, unsigned int, - int)); -extern int computed_jump_p PARAMS ((rtx)); -typedef int (*rtx_function) PARAMS ((rtx *, void *)); -extern int for_each_rtx PARAMS ((rtx *, rtx_function, void *)); -extern rtx regno_use_in PARAMS ((unsigned int, rtx)); -extern int auto_inc_p PARAMS ((rtx)); -extern int in_expr_list_p PARAMS ((rtx, rtx)); -extern void remove_node_from_expr_list PARAMS ((rtx, rtx *)); -extern int insns_safe_to_move_p PARAMS ((rtx, rtx, rtx *)); -extern int loc_mentioned_in_p PARAMS ((rtx *, rtx)); -extern rtx find_first_parameter_load PARAMS ((rtx, rtx)); -extern bool keep_with_call_p PARAMS ((rtx)); +/* Structure used for passing data to REPLACE_LABEL. */ +typedef struct replace_label_data +{ + rtx r1; + rtx r2; + bool update_label_nuses; +} replace_label_data; + +extern int rtx_addr_can_trap_p (rtx); +extern bool nonzero_address_p (rtx); +extern int rtx_unstable_p (rtx); +extern int rtx_varies_p (rtx, int); +extern int rtx_addr_varies_p (rtx, int); +extern HOST_WIDE_INT get_integer_term (rtx); +extern rtx get_related_value (rtx); +extern rtx get_jump_table_offset (rtx, rtx *); +extern int global_reg_mentioned_p (rtx); +extern int reg_mentioned_p (rtx, rtx); +extern int count_occurrences (rtx, rtx, int); +extern int reg_referenced_p (rtx, rtx); +extern int reg_used_between_p (rtx, rtx, rtx); +extern int reg_referenced_between_p (rtx, rtx, rtx); +extern int reg_set_between_p (rtx, rtx, rtx); +extern int regs_set_between_p (rtx, rtx, rtx); +extern int commutative_operand_precedence (rtx); +extern int swap_commutative_operands_p (rtx, rtx); +extern int modified_between_p (rtx, rtx, rtx); +extern int no_labels_between_p (rtx, rtx); +extern int no_jumps_between_p (rtx, rtx); +extern int modified_in_p (rtx, rtx); +extern int insn_dependent_p (rtx, rtx); +extern int reg_set_p (rtx, rtx); +extern rtx single_set_2 (rtx, rtx); +extern int multiple_sets (rtx); +extern int set_noop_p (rtx); +extern int noop_move_p (rtx); +extern rtx find_last_value (rtx, rtx *, rtx, int); +extern int refers_to_regno_p (unsigned int, unsigned int, rtx, rtx *); +extern int reg_overlap_mentioned_p (rtx, rtx); +extern rtx set_of (rtx, rtx); +extern void note_stores (rtx, void (*) (rtx, rtx, void *), void *); +extern void note_uses (rtx *, void (*) (rtx *, void *), void *); +extern rtx reg_set_last (rtx, rtx); +extern int dead_or_set_p (rtx, rtx); +extern int dead_or_set_regno_p (rtx, unsigned int); +extern rtx find_reg_note (rtx, enum reg_note, rtx); +extern rtx find_regno_note (rtx, enum reg_note, unsigned int); +extern rtx find_reg_equal_equiv_note (rtx); +extern int find_reg_fusage (rtx, enum rtx_code, rtx); +extern int find_regno_fusage (rtx, enum rtx_code, unsigned int); +extern int pure_call_p (rtx); +extern void remove_note (rtx, rtx); +extern int side_effects_p (rtx); +extern int volatile_refs_p (rtx); +extern int volatile_insn_p (rtx); +extern int may_trap_p (rtx); +extern int inequality_comparisons_p (rtx); +extern rtx replace_rtx (rtx, rtx, rtx); +extern rtx replace_regs (rtx, rtx *, unsigned int, int); +extern int replace_label (rtx *, void *); +extern int rtx_referenced_p (rtx, rtx); +extern bool tablejump_p (rtx, rtx *, rtx *); +extern int computed_jump_p (rtx); +typedef int (*rtx_function) (rtx *, void *); +extern int for_each_rtx (rtx *, rtx_function, void *); +extern rtx regno_use_in (unsigned int, rtx); +extern int auto_inc_p (rtx); +extern int in_expr_list_p (rtx, rtx); +extern void remove_node_from_expr_list (rtx, rtx *); +extern int insns_safe_to_move_p (rtx, rtx, rtx *); +extern int loc_mentioned_in_p (rtx *, rtx); +extern rtx find_first_parameter_load (rtx, rtx); +extern bool keep_with_call_p (rtx); +extern bool label_is_jump_target_p (rtx, rtx); /* flow.c */ -extern rtx find_use_as_address PARAMS ((rtx, rtx, HOST_WIDE_INT)); +extern rtx find_use_as_address (rtx, rtx, HOST_WIDE_INT); /* lists.c */ -void free_EXPR_LIST_list PARAMS ((rtx *)); -void free_INSN_LIST_list PARAMS ((rtx *)); -void free_EXPR_LIST_node PARAMS ((rtx)); -void free_INSN_LIST_node PARAMS ((rtx)); -rtx alloc_INSN_LIST PARAMS ((rtx, rtx)); -rtx alloc_EXPR_LIST PARAMS ((int, rtx, rtx)); +void free_EXPR_LIST_list (rtx *); +void free_INSN_LIST_list (rtx *); +void free_EXPR_LIST_node (rtx); +void free_INSN_LIST_node (rtx); +rtx alloc_INSN_LIST (rtx, rtx); +rtx alloc_EXPR_LIST (int, rtx, rtx); /* regclass.c */ /* Maximum number of parallel sets and clobbers in any insn in this fn. - Always at least 3, since the combiner could put that many togetherm + Always at least 3, since the combiner could put that many together and we want this to remain correct for all the remaining passes. */ extern int max_parallel; /* Free up register info memory. */ -extern void free_reg_info PARAMS ((void)); +extern void free_reg_info (void); /* recog.c */ -extern int asm_noperands PARAMS ((rtx)); -extern const char *decode_asm_operands PARAMS ((rtx, rtx *, rtx **, - const char **, - enum machine_mode *)); +extern int asm_noperands (rtx); +extern const char *decode_asm_operands (rtx, rtx *, rtx **, const char **, + enum machine_mode *); -extern enum reg_class reg_preferred_class PARAMS ((int)); -extern enum reg_class reg_alternate_class PARAMS ((int)); +extern enum reg_class reg_preferred_class (int); +extern enum reg_class reg_alternate_class (int); -extern rtx get_first_nonparm_insn PARAMS ((void)); +extern rtx get_first_nonparm_insn (void); -extern void split_all_insns PARAMS ((int)); -extern void split_all_insns_noflow PARAMS ((void)); +extern void split_all_insns (int); +extern void split_all_insns_noflow (void); #define MAX_SAVED_CONST_INT 64 extern GTY(()) rtx const_int_rtx[MAX_SAVED_CONST_INT * 2 + 1]; @@ -1771,8 +1852,6 @@ extern GTY(()) rtx global_rtl[GR_MAX]; #define arg_pointer_rtx (global_rtl[GR_ARG_POINTER]) extern GTY(()) rtx pic_offset_table_rtx; -extern GTY(()) rtx struct_value_rtx; -extern GTY(()) rtx struct_value_incoming_rtx; extern GTY(()) rtx static_chain_rtx; extern GTY(()) rtx static_chain_incoming_rtx; extern GTY(()) rtx return_address_pointer_rtx; @@ -1788,14 +1867,14 @@ extern GTY(()) rtx return_address_pointer_rtx; add to this list, modify special_rtx in gengenrtl.c as well. You should also modify gen_rtx to use the special function. */ -extern rtx gen_rtx_CONST_INT PARAMS ((enum machine_mode, HOST_WIDE_INT)); -extern rtx gen_rtx_CONST_VECTOR PARAMS ((enum machine_mode, rtvec)); -extern rtx gen_raw_REG PARAMS ((enum machine_mode, int)); -extern rtx gen_rtx_REG PARAMS ((enum machine_mode, unsigned)); -extern rtx gen_rtx_SUBREG PARAMS ((enum machine_mode, rtx, int)); -extern rtx gen_rtx_MEM PARAMS ((enum machine_mode, rtx)); +extern rtx gen_rtx_CONST_INT (enum machine_mode, HOST_WIDE_INT); +extern rtx gen_rtx_CONST_VECTOR (enum machine_mode, rtvec); +extern rtx gen_raw_REG (enum machine_mode, int); +extern rtx gen_rtx_REG (enum machine_mode, unsigned); +extern rtx gen_rtx_SUBREG (enum machine_mode, rtx, int); +extern rtx gen_rtx_MEM (enum machine_mode, rtx); -extern rtx gen_lowpart_SUBREG PARAMS ((enum machine_mode, rtx)); +extern rtx gen_lowpart_SUBREG (enum machine_mode, rtx); /* We need the cast here to ensure that we get the same result both with and without prototypes. */ @@ -1842,7 +1921,7 @@ extern rtx gen_lowpart_SUBREG PARAMS ((enum machine_mode, rtx)); #define VIRTUAL_OUTGOING_ARGS_REGNUM ((FIRST_VIRTUAL_REGISTER) + 3) /* This points to the Canonical Frame Address of the function. This - should corrospond to the CFA produced by INCOMING_FRAME_SP_OFFSET, + should correspond to the CFA produced by INCOMING_FRAME_SP_OFFSET, but is calculated relative to the arg pointer for simplicity; the frame pointer nor stack pointer are necessarily fixed relative to the CFA until after reload. */ @@ -1854,7 +1933,7 @@ extern rtx gen_lowpart_SUBREG PARAMS ((enum machine_mode, rtx)); #define LAST_VIRTUAL_REGISTER ((FIRST_VIRTUAL_REGISTER) + 4) /* Nonzero if REGNUM is a pointer into the stack frame. */ -#define REGNO_PTR_FRAME_P(REGNUM) \ +#define REGNO_PTR_FRAME_P(REGNUM) \ ((REGNUM) == STACK_POINTER_REGNUM \ || (REGNUM) == FRAME_POINTER_REGNUM \ || (REGNUM) == HARD_FRAME_POINTER_REGNUM \ @@ -1865,15 +1944,11 @@ extern rtx gen_lowpart_SUBREG PARAMS ((enum machine_mode, rtx)); /* REGNUM never really appearing in the INSN stream. */ #define INVALID_REGNUM (~(unsigned int) 0) -extern rtx find_next_ref PARAMS ((rtx, rtx)); +extern rtx output_constant_def (tree, int); +extern rtx lookup_constant_def (tree); -extern rtx output_constant_def PARAMS ((tree, int)); - -/* Define a default value for STORE_FLAG_VALUE. */ - -#ifndef STORE_FLAG_VALUE -#define STORE_FLAG_VALUE 1 -#endif +/* Called from integrate.c when a deferred constant is inlined. */ +extern void notice_rtl_inlining_of_deferred_constant (void); /* Nonzero after the second flow pass has completed. Set to 1 or 0 by toplev.c */ @@ -1884,6 +1959,9 @@ extern int flow2_completed; extern int reload_completed; +/* Nonzero after thread_prologue_and_epilogue_insns has run. */ +extern int epilogue_completed; + /* Set to 1 while reload_as_needed is operating. Required by some machines to handle any generated moves differently. */ @@ -1905,11 +1983,7 @@ extern int no_new_pseudos; REAL_ARITHMETIC. The function returns an int because the caller may not know what `enum tree_code' means. */ -extern int rtx_to_tree_code PARAMS ((enum rtx_code)); - -/* In tree.c */ -struct obstack; -extern void gcc_obstack_init PARAMS ((struct obstack *)); +extern int rtx_to_tree_code (enum rtx_code); /* In cse.c */ struct cse_basic_block_data; @@ -1919,274 +1993,249 @@ struct cse_basic_block_data; N times that of a fast register-to-register instruction. */ #define COSTS_N_INSNS(N) ((N) * 4) -/* Maximum cost of a rtl expression. This value has the special meaning +/* Maximum cost of an rtl expression. This value has the special meaning not to use an rtx with this cost under any circumstances. */ #define MAX_COST INT_MAX -extern int rtx_cost PARAMS ((rtx, enum rtx_code)); -extern int address_cost PARAMS ((rtx, enum machine_mode)); -extern int delete_trivially_dead_insns PARAMS ((rtx, int)); +extern int rtx_cost (rtx, enum rtx_code); +extern int address_cost (rtx, enum machine_mode); +extern int delete_trivially_dead_insns (rtx, int); #ifdef BUFSIZ -extern int cse_main PARAMS ((rtx, int, int, FILE *)); +extern int cse_main (rtx, int, int, FILE *); #endif -extern void cse_end_of_basic_block PARAMS ((rtx, - struct cse_basic_block_data *, - int, int, int)); +extern void cse_end_of_basic_block (rtx, struct cse_basic_block_data *, + int, int, int); +extern void cse_condition_code_reg (void); /* In jump.c */ -extern int comparison_dominates_p PARAMS ((enum rtx_code, enum rtx_code)); -extern int condjump_p PARAMS ((rtx)); -extern int any_condjump_p PARAMS ((rtx)); -extern int any_uncondjump_p PARAMS ((rtx)); -extern int safe_to_remove_jump_p PARAMS ((rtx)); -extern rtx pc_set PARAMS ((rtx)); -extern rtx condjump_label PARAMS ((rtx)); -extern int simplejump_p PARAMS ((rtx)); -extern int tablejump_p PARAMS ((rtx)); -extern int returnjump_p PARAMS ((rtx)); -extern int onlyjump_p PARAMS ((rtx)); -extern int only_sets_cc0_p PARAMS ((rtx)); -extern int sets_cc0_p PARAMS ((rtx)); -extern int invert_jump_1 PARAMS ((rtx, rtx)); -extern int invert_jump PARAMS ((rtx, rtx, int)); -extern int rtx_renumbered_equal_p PARAMS ((rtx, rtx)); -extern int true_regnum PARAMS ((rtx)); -extern unsigned int reg_or_subregno PARAMS ((rtx)); -extern int redirect_jump_1 PARAMS ((rtx, rtx)); -extern int redirect_jump PARAMS ((rtx, rtx, int)); -extern void rebuild_jump_labels PARAMS ((rtx)); -extern enum rtx_code reversed_comparison_code PARAMS ((rtx, rtx)); -extern enum rtx_code reversed_comparison_code_parts PARAMS ((enum rtx_code, - rtx, rtx, rtx)); -extern void delete_for_peephole PARAMS ((rtx, rtx)); -extern int condjump_in_parallel_p PARAMS ((rtx)); -extern void never_reached_warning PARAMS ((rtx, rtx)); -extern void purge_line_number_notes PARAMS ((rtx)); -extern void copy_loop_headers PARAMS ((rtx)); +extern int comparison_dominates_p (enum rtx_code, enum rtx_code); +extern int condjump_p (rtx); +extern int any_condjump_p (rtx); +extern int any_uncondjump_p (rtx); +extern int safe_to_remove_jump_p (rtx); +extern rtx pc_set (rtx); +extern rtx condjump_label (rtx); +extern int simplejump_p (rtx); +extern int returnjump_p (rtx); +extern int onlyjump_p (rtx); +extern int only_sets_cc0_p (rtx); +extern int sets_cc0_p (rtx); +extern int invert_jump_1 (rtx, rtx); +extern int invert_jump (rtx, rtx, int); +extern int rtx_renumbered_equal_p (rtx, rtx); +extern int true_regnum (rtx); +extern unsigned int reg_or_subregno (rtx); +extern int redirect_jump_1 (rtx, rtx); +extern int redirect_jump (rtx, rtx, int); +extern void rebuild_jump_labels (rtx); +extern enum rtx_code reversed_comparison_code (rtx, rtx); +extern enum rtx_code reversed_comparison_code_parts (enum rtx_code, + rtx, rtx, rtx); +extern void delete_for_peephole (rtx, rtx); +extern int condjump_in_parallel_p (rtx); +extern void never_reached_warning (rtx, rtx); +extern void purge_line_number_notes (rtx); +extern void copy_loop_headers (rtx); /* In emit-rtl.c. */ -extern int max_reg_num PARAMS ((void)); -extern int max_label_num PARAMS ((void)); -extern int get_first_label_num PARAMS ((void)); -extern void delete_insns_since PARAMS ((rtx)); -extern void mark_reg_pointer PARAMS ((rtx, int)); -extern void mark_user_reg PARAMS ((rtx)); -extern void reset_used_flags PARAMS ((rtx)); -extern void reorder_insns PARAMS ((rtx, rtx, rtx)); -extern void reorder_insns_nobb PARAMS ((rtx, rtx, rtx)); -extern int get_max_uid PARAMS ((void)); -extern int in_sequence_p PARAMS ((void)); -extern void force_next_line_note PARAMS ((void)); -extern void init_emit PARAMS ((void)); -extern void init_emit_once PARAMS ((int)); -extern void push_topmost_sequence PARAMS ((void)); -extern void pop_topmost_sequence PARAMS ((void)); -extern int subreg_realpart_p PARAMS ((rtx)); -extern void reverse_comparison PARAMS ((rtx)); -extern void set_new_first_and_last_insn PARAMS ((rtx, rtx)); -extern void set_new_first_and_last_label_num PARAMS ((int, int)); -extern void set_new_last_label_num PARAMS ((int)); -extern void unshare_all_rtl_again PARAMS ((rtx)); -extern void set_first_insn PARAMS ((rtx)); -extern void set_last_insn PARAMS ((rtx)); -extern void link_cc0_insns PARAMS ((rtx)); -extern void add_insn PARAMS ((rtx)); -extern void add_insn_before PARAMS ((rtx, rtx)); -extern void add_insn_after PARAMS ((rtx, rtx)); -extern void remove_insn PARAMS ((rtx)); -extern void reorder_insns_with_line_notes PARAMS ((rtx, rtx, rtx)); -extern void emit_insn_after_with_line_notes PARAMS ((rtx, rtx, rtx)); -extern enum rtx_code classify_insn PARAMS ((rtx)); -extern rtx emit PARAMS ((rtx)); +extern int max_reg_num (void); +extern int max_label_num (void); +extern int get_first_label_num (void); +extern void delete_insns_since (rtx); +extern void mark_reg_pointer (rtx, int); +extern void mark_user_reg (rtx); +extern void reset_used_flags (rtx); +extern void set_used_flags (rtx); +extern void reorder_insns (rtx, rtx, rtx); +extern void reorder_insns_nobb (rtx, rtx, rtx); +extern int get_max_uid (void); +extern int in_sequence_p (void); +extern void force_next_line_note (void); +extern void init_emit (void); +extern void init_emit_once (int); +extern void push_topmost_sequence (void); +extern void pop_topmost_sequence (void); +extern int subreg_realpart_p (rtx); +extern void reverse_comparison (rtx); +extern void set_new_first_and_last_insn (rtx, rtx); +extern void set_new_last_label_num (int); +extern void unshare_all_rtl_again (rtx); +extern void unshare_all_rtl_in_chain (rtx); +extern void verify_rtl_sharing (void); +extern void set_first_insn (rtx); +extern void set_last_insn (rtx); +extern void link_cc0_insns (rtx); +extern void add_insn (rtx); +extern void add_insn_before (rtx, rtx); +extern void add_insn_after (rtx, rtx); +extern void remove_insn (rtx); +extern void reorder_insns_with_line_notes (rtx, rtx, rtx); +extern void emit_insn_after_with_line_notes (rtx, rtx, rtx); +extern enum rtx_code classify_insn (rtx); +extern rtx emit (rtx); /* Query and clear/ restore no_line_numbers. This is used by the switch / case handling in stmt.c to give proper line numbers in warnings about unreachable code. */ -int force_line_numbers PARAMS ((void)); -void restore_line_number_status PARAMS ((int old_value)); -extern void renumber_insns PARAMS ((FILE *)); -extern void remove_unnecessary_notes PARAMS ((void)); -extern rtx delete_insn PARAMS ((rtx)); -extern void delete_insn_chain PARAMS ((rtx, rtx)); -extern rtx delete_insn_and_edges PARAMS ((rtx)); -extern void delete_insn_chain_and_edges PARAMS ((rtx, rtx)); +int force_line_numbers (void); +void restore_line_number_status (int old_value); +extern void renumber_insns (FILE *); +extern void remove_unnecessary_notes (void); +extern rtx delete_insn (rtx); +extern void delete_insn_chain (rtx, rtx); +extern rtx unlink_insn_chain (rtx, rtx); +extern rtx delete_insn_and_edges (rtx); +extern void delete_insn_chain_and_edges (rtx, rtx); /* In combine.c */ -extern int combine_instructions PARAMS ((rtx, unsigned int)); -extern unsigned int extended_count PARAMS ((rtx, enum machine_mode, int)); -extern rtx remove_death PARAMS ((unsigned int, rtx)); +extern int combine_instructions (rtx, unsigned int); +extern unsigned int extended_count (rtx, enum machine_mode, int); +extern rtx remove_death (unsigned int, rtx); #ifdef BUFSIZ -extern void dump_combine_stats PARAMS ((FILE *)); -extern void dump_combine_total_stats PARAMS ((FILE *)); +extern void dump_combine_stats (FILE *); +extern void dump_combine_total_stats (FILE *); #endif +/* In web.c */ +extern void web_main (void); /* In sched.c. */ #ifdef BUFSIZ -extern void schedule_insns PARAMS ((FILE *)); -extern void schedule_ebbs PARAMS ((FILE *)); +extern void schedule_insns (FILE *); +extern void schedule_ebbs (FILE *); #endif -extern void fix_sched_param PARAMS ((const char *, const char *)); +extern void fix_sched_param (const char *, const char *); /* In print-rtl.c */ extern const char *print_rtx_head; -extern void debug_rtx PARAMS ((rtx)); -extern void debug_rtx_list PARAMS ((rtx, int)); -extern void debug_rtx_range PARAMS ((rtx, rtx)); -extern rtx debug_rtx_find PARAMS ((rtx, int)); +extern void debug_rtx (rtx); +extern void debug_rtx_list (rtx, int); +extern void debug_rtx_range (rtx, rtx); +extern rtx debug_rtx_find (rtx, int); #ifdef BUFSIZ -extern void print_mem_expr PARAMS ((FILE *, tree)); -extern void print_rtl PARAMS ((FILE *, rtx)); -extern void print_simple_rtl PARAMS ((FILE *, rtx)); -extern int print_rtl_single PARAMS ((FILE *, rtx)); -extern void print_inline_rtx PARAMS ((FILE *, rtx, int)); +extern void print_mem_expr (FILE *, tree); +extern void print_rtl (FILE *, rtx); +extern void print_simple_rtl (FILE *, rtx); +extern int print_rtl_single (FILE *, rtx); +extern void print_inline_rtx (FILE *, rtx, int); #endif /* In loop.c */ -extern void init_loop PARAMS ((void)); -extern rtx libcall_other_reg PARAMS ((rtx, rtx)); +extern void init_loop (void); +extern rtx libcall_other_reg (rtx, rtx); #ifdef BUFSIZ -extern void loop_optimize PARAMS ((rtx, FILE *, int)); +extern void loop_optimize (rtx, FILE *, int); #endif -extern void record_excess_regs PARAMS ((rtx, rtx, rtx *)); +extern void branch_target_load_optimize (rtx, bool); +extern void record_excess_regs (rtx, rtx, rtx *); /* In function.c */ -extern void reposition_prologue_and_epilogue_notes PARAMS ((rtx)); -extern void thread_prologue_and_epilogue_insns PARAMS ((rtx)); -extern int prologue_epilogue_contains PARAMS ((rtx)); -extern int sibcall_epilogue_contains PARAMS ((rtx)); -extern void preserve_rtl_expr_result PARAMS ((rtx)); -extern void mark_temp_addr_taken PARAMS ((rtx)); -extern void update_temp_slot_address PARAMS ((rtx, rtx)); -extern void purge_addressof PARAMS ((rtx)); -extern void purge_hard_subreg_sets PARAMS ((rtx)); +extern void reposition_prologue_and_epilogue_notes (rtx); +extern void thread_prologue_and_epilogue_insns (rtx); +extern int prologue_epilogue_contains (rtx); +extern int sibcall_epilogue_contains (rtx); +extern void preserve_rtl_expr_result (rtx); +extern void mark_temp_addr_taken (rtx); +extern void update_temp_slot_address (rtx, rtx); +extern void purge_addressof (rtx); +extern void purge_hard_subreg_sets (rtx); /* In stmt.c */ -extern void set_file_and_line_for_stmt PARAMS ((const char *, int)); -extern void expand_null_return PARAMS ((void)); -extern void emit_jump PARAMS ((rtx)); -extern int preserve_subexpressions_p PARAMS ((void)); +extern void set_file_and_line_for_stmt (location_t); +extern void expand_null_return (void); +extern void expand_naked_return (void); +extern void emit_jump (rtx); +extern int preserve_subexpressions_p (void); /* In expr.c */ -extern void move_by_pieces PARAMS ((rtx, rtx, - unsigned HOST_WIDE_INT, - unsigned int)); +extern rtx move_by_pieces (rtx, rtx, unsigned HOST_WIDE_INT, + unsigned int, int); /* In flow.c */ -extern void recompute_reg_usage PARAMS ((rtx, int)); -extern int initialize_uninitialized_subregs PARAMS ((void)); -extern void delete_dead_jumptables PARAMS ((void)); +extern void recompute_reg_usage (rtx, int); +extern int initialize_uninitialized_subregs (void); +extern void delete_dead_jumptables (void); #ifdef BUFSIZ -extern void print_rtl_with_bb PARAMS ((FILE *, rtx)); -extern void dump_flow_info PARAMS ((FILE *)); +extern void print_rtl_with_bb (FILE *, rtx); +extern void dump_flow_info (FILE *); #endif /* In expmed.c */ -extern void init_expmed PARAMS ((void)); -extern void expand_inc PARAMS ((rtx, rtx)); -extern void expand_dec PARAMS ((rtx, rtx)); -extern rtx expand_mult_highpart PARAMS ((enum machine_mode, rtx, - unsigned HOST_WIDE_INT, rtx, - int, int)); +extern void init_expmed (void); +extern void expand_inc (rtx, rtx); +extern void expand_dec (rtx, rtx); +extern rtx expand_mult_highpart (enum machine_mode, rtx, + unsigned HOST_WIDE_INT, rtx, int, int); /* In gcse.c */ +extern bool can_copy_p (enum machine_mode); +extern rtx fis_get_condition (rtx); #ifdef BUFSIZ -extern int gcse_main PARAMS ((rtx, FILE *)); +extern int gcse_main (rtx, FILE *); +extern int bypass_jumps (FILE *); #endif /* In global.c */ -extern void mark_elimination PARAMS ((int, int)); +extern void mark_elimination (int, int); #ifdef BUFSIZ -extern int global_alloc PARAMS ((FILE *)); -extern void dump_global_regs PARAMS ((FILE *)); +extern int global_alloc (FILE *); +extern void dump_global_regs (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)); +extern void retry_global_alloc (int, HARD_REG_SET); #endif -extern void build_insn_chain PARAMS ((rtx)); +extern void build_insn_chain (rtx); /* In regclass.c */ -extern int reg_classes_intersect_p PARAMS ((enum reg_class, enum reg_class)); -extern int reg_class_subset_p PARAMS ((enum reg_class, enum reg_class)); -extern void globalize_reg PARAMS ((int)); -extern void init_regs PARAMS ((void)); -extern void init_fake_stack_mems PARAMS ((void)); -extern void init_reg_sets PARAMS ((void)); -extern void regset_release_memory PARAMS ((void)); -extern void regclass_init PARAMS ((void)); -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)); +extern int reg_classes_intersect_p (enum reg_class, enum reg_class); +extern int reg_class_subset_p (enum reg_class, enum reg_class); +extern void globalize_reg (int); +extern void init_reg_modes_once (void); +extern void init_regs (void); +extern void init_fake_stack_mems (void); +extern void init_reg_sets (void); +extern void regset_release_memory (void); +extern void regclass_init (void); +extern void regclass (rtx, int, FILE *); +extern void reg_scan (rtx, unsigned int, int); +extern void reg_scan_update (rtx, rtx, unsigned int); +extern void fix_register (const char *, int, int); #ifdef HARD_CONST -extern void cannot_change_mode_set_regs PARAMS ((HARD_REG_SET *, - enum machine_mode, - unsigned int)); +extern void cannot_change_mode_set_regs (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 bool invalid_mode_change_p (unsigned int, enum reg_class, + enum machine_mode); -extern int delete_null_pointer_checks PARAMS ((rtx)); +extern int delete_null_pointer_checks (rtx); /* In regmove.c */ #ifdef BUFSIZ -extern void regmove_optimize PARAMS ((rtx, int, FILE *)); +extern void regmove_optimize (rtx, int, FILE *); #endif -extern void combine_stack_adjustments PARAMS ((void)); +extern void combine_stack_adjustments (void); /* In reorg.c */ #ifdef BUFSIZ -extern void dbr_schedule PARAMS ((rtx, FILE *)); +extern void dbr_schedule (rtx, FILE *); #endif /* In local-alloc.c */ #ifdef BUFSIZ -extern void dump_local_alloc PARAMS ((FILE *)); +extern void dump_local_alloc (FILE *); #endif -extern int local_alloc PARAMS ((void)); -extern int function_invariant_p PARAMS ((rtx)); +extern int local_alloc (void); +extern int function_invariant_p (rtx); /* In profile.c */ -extern void init_branch_prob PARAMS ((const char *)); -extern void branch_prob PARAMS ((void)); -extern void end_branch_prob PARAMS ((void)); -extern void output_func_start_profiler PARAMS ((void)); +extern void init_branch_prob (void); +extern void branch_prob (void); +extern void end_branch_prob (void); /* In reg-stack.c */ #ifdef BUFSIZ -extern void reg_to_stack PARAMS ((rtx, FILE *)); +extern bool reg_to_stack (rtx, FILE *); #endif -/* In fold-const.c */ -extern int add_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT, - unsigned HOST_WIDE_INT, HOST_WIDE_INT, - unsigned HOST_WIDE_INT *, - HOST_WIDE_INT *)); -extern int neg_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT, - unsigned HOST_WIDE_INT *, - HOST_WIDE_INT *)); -extern int mul_double PARAMS ((unsigned HOST_WIDE_INT, - HOST_WIDE_INT, - unsigned HOST_WIDE_INT, HOST_WIDE_INT, - unsigned HOST_WIDE_INT *, - HOST_WIDE_INT *)); -extern void lshift_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT, - HOST_WIDE_INT, unsigned int, - unsigned HOST_WIDE_INT *, - HOST_WIDE_INT *, int)); -extern void rshift_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT, - HOST_WIDE_INT, unsigned int, - unsigned HOST_WIDE_INT *, - HOST_WIDE_INT *, int)); -extern void lrotate_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT, - HOST_WIDE_INT, unsigned int, - unsigned HOST_WIDE_INT *, - HOST_WIDE_INT *)); -extern void rrotate_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT, - HOST_WIDE_INT, unsigned int, - unsigned HOST_WIDE_INT *, - HOST_WIDE_INT *)); - /* In calls.c */ enum libcall_type { @@ -2201,29 +2250,26 @@ enum libcall_type LCT_RETURNS_TWICE = 8 }; -extern void emit_library_call PARAMS ((rtx, enum libcall_type, - enum machine_mode, int, - ...)); -extern rtx emit_library_call_value PARAMS ((rtx, rtx, enum libcall_type, - enum machine_mode, int, - ...)); +extern void emit_library_call (rtx, enum libcall_type, enum machine_mode, int, + ...); +extern rtx emit_library_call_value (rtx, rtx, enum libcall_type, + enum machine_mode, int, ...); /* In unroll.c */ -extern int set_dominates_use PARAMS ((int, int, int, rtx, rtx)); +extern int set_dominates_use (int, int, int, rtx, rtx); /* In varasm.c */ -extern int in_data_section PARAMS ((void)); -extern void init_varasm_once PARAMS ((void)); +extern int in_data_section (void); +extern void init_varasm_once (void); /* In rtl.c */ -extern void init_rtl PARAMS ((void)); -extern void traverse_md_constants PARAMS ((int (*) (void **, void *), - void *)); +extern void init_rtl (void); +extern void traverse_md_constants (int (*) (void **, void *), void *); struct md_constant { char *name, *value; }; #ifdef BUFSIZ -extern int read_skip_spaces PARAMS ((FILE *)); -extern rtx read_rtx PARAMS ((FILE *)); +extern int read_skip_spaces (FILE *); +extern rtx read_rtx (FILE *); #endif extern const char *read_rtx_filename; @@ -2235,26 +2281,30 @@ extern int read_rtx_lineno; special abort includes one or both. toplev.h gets too few files, system.h gets too many. */ -extern void fancy_abort PARAMS ((const char *, int, const char *)) +extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN; #define abort() fancy_abort (__FILE__, __LINE__, __FUNCTION__) /* In alias.c */ -extern void clear_reg_alias_info PARAMS ((rtx)); -extern rtx canon_rtx PARAMS ((rtx)); -extern int true_dependence PARAMS ((rtx, enum machine_mode, rtx, - int (*)(rtx, int))); -extern rtx get_addr PARAMS ((rtx)); -extern int canon_true_dependence PARAMS ((rtx, enum machine_mode, rtx, - rtx, int (*)(rtx, int))); -extern int read_dependence PARAMS ((rtx, rtx)); -extern int anti_dependence PARAMS ((rtx, rtx)); -extern int output_dependence PARAMS ((rtx, rtx)); -extern void mark_constant_function PARAMS ((void)); -extern void init_alias_once PARAMS ((void)); -extern void init_alias_analysis PARAMS ((void)); -extern void end_alias_analysis PARAMS ((void)); -extern rtx addr_side_effect_eval PARAMS ((rtx, int, int)); +extern void clear_reg_alias_info (rtx); +extern rtx canon_rtx (rtx); +extern int true_dependence (rtx, enum machine_mode, rtx, int (*)(rtx, int)); +extern rtx get_addr (rtx); +extern int canon_true_dependence (rtx, enum machine_mode, rtx, rtx, + int (*)(rtx, int)); +extern int read_dependence (rtx, rtx); +extern int anti_dependence (rtx, rtx); +extern int output_dependence (rtx, rtx); +extern int unchanging_anti_dependence (rtx, rtx); +extern void mark_constant_function (void); +extern void init_alias_once (void); +extern void init_alias_analysis (void); +extern void end_alias_analysis (void); +extern rtx addr_side_effect_eval (rtx, int, int); +extern bool memory_modified_in_insn_p (rtx, rtx); +extern rtx find_base_term (rtx); +extern rtx get_reg_known_value (unsigned int); +extern bool get_reg_known_equiv_p (unsigned int); /* In sibcall.c */ typedef enum { @@ -2263,27 +2313,27 @@ typedef enum { sibcall_use_sibcall } sibcall_use_t; -extern void optimize_sibling_and_tail_recursive_calls PARAMS ((void)); -extern void replace_call_placeholder PARAMS ((rtx, sibcall_use_t)); +extern void optimize_sibling_and_tail_recursive_calls (void); +extern void replace_call_placeholder (rtx, sibcall_use_t); #ifdef STACK_REGS -extern int stack_regs_mentioned PARAMS ((rtx insn)); +extern int stack_regs_mentioned (rtx insn); #endif /* In toplev.c */ extern GTY(()) rtx stack_limit_rtx; /* In regrename.c */ -extern void regrename_optimize PARAMS ((void)); -extern void copyprop_hardreg_forward PARAMS ((void)); +extern void regrename_optimize (void); +extern void copyprop_hardreg_forward (void); /* In ifcvt.c */ -extern void if_convert PARAMS ((int)); +extern void if_convert (int); /* In predict.c */ -extern void invert_br_probabilities PARAMS ((rtx)); -extern bool expensive_function_p PARAMS ((int)); +extern void invert_br_probabilities (rtx); +extern bool expensive_function_p (int); /* In tracer.c */ -extern void tracer PARAMS ((void)); +extern void tracer (unsigned int); #endif /* ! GCC_RTL_H */ |