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flow.c (propagate_block): Use XEXP not SET_DEST for a USE.

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* flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
        (recompute_reg_usage): Likewise.
        * rtlanal.c (find_regno_fusage): Likewise.

        * rtl.c (rtl_check_failed_code1): New function.
        (rtl_check_failed_code2): New.
        * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
        (RTL_CHECKC1, RTL_CHECKC2): New.
        (XC*): New accessor macros.
        (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
        (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
        (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
        (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
        (TRAP_*, RANGE_INFO_*): Likewise.

From-SVN: r29089
This commit is contained in:
Richard Henderson 1999-09-03 15:23:11 -07:00 committed by Richard Henderson
parent 02aadb7a10
commit 83ab38394c
5 changed files with 159 additions and 79 deletions
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17
gcc/ChangeLog
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@ -1,3 +1,20 @@
Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
* flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
(recompute_reg_usage): Likewise.
* rtlanal.c (find_regno_fusage): Likewise.
* rtl.c (rtl_check_failed_code1): New function.
(rtl_check_failed_code2): New.
* rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
(RTL_CHECKC1, RTL_CHECKC2): New.
(XC*): New accessor macros.
(NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
(ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
(CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
(ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
(TRAP_*, RANGE_INFO_*): Likewise.
Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* Makefile.in (tlink.o): Don't depend on toplev.h.

4
gcc/flow.c
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@ -2845,7 +2845,7 @@ propagate_block (old, first, last, final, significant, bnum, remove_dead_code)
note;
note = XEXP (note, 1))
if (GET_CODE (XEXP (note, 0)) == USE)
mark_used_regs (old, live, SET_DEST (XEXP (note, 0)),
mark_used_regs (old, live, XEXP (XEXP (note, 0), 0),
final, insn);
/* Each call clobbers all call-clobbered regs that are not
@ -5048,7 +5048,7 @@ recompute_reg_usage (f, loop_step)
note;
note = XEXP (note, 1))
if (GET_CODE (XEXP (note, 0)) == USE)
count_reg_references (SET_DEST (XEXP (note, 0)));
count_reg_references (XEXP (XEXP (note, 0), 0));
}
}
}

27
gcc/rtl.c
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@ -986,6 +986,33 @@ rtl_check_failed_type2 (r, n, c1, c2, file, line, func)
fancy_abort (file, line, func);
}
void
rtl_check_failed_code1 (r, code, file, line, func)
rtx r;
enum rtx_code code;
const char *file;
int line;
const char *func;
{
error ("RTL check: expected code `%s', have `%s'",
GET_RTX_NAME (code), GET_RTX_NAME (GET_CODE (r)));
fancy_abort (file, line, func);
}
void
rtl_check_failed_code2 (r, code1, code2, file, line, func)
rtx r;
enum rtx_code code1, code2;
const char *file;
int line;
const char *func;
{
error ("RTL check: expected code `%s' or `%s', have `%s'",
GET_RTX_NAME (code1), GET_RTX_NAME (code2),
GET_RTX_NAME (GET_CODE (r)));
fancy_abort (file, line, func);
}
/* XXX Maybe print the vector? */
void
rtvec_check_failed_bounds (r, n, file, line, func)

170
gcc/rtl.h
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@ -226,7 +226,7 @@ typedef struct rtvec_def{
/* The bit with a star outside the statement expr and an & inside is
so that N can be evaluated only once. */
#define RTL_CHECK1(RTX, N, C1) \
(*({ rtx _rtx = RTX; int _n = N; \
(*({ rtx _rtx = (RTX); int _n = (N); \
enum rtx_code _code = GET_CODE (_rtx); \
if (_n < 0 || _n >= GET_RTX_LENGTH (_code)) \
rtl_check_failed_bounds (_rtx, _n, __FILE__, __LINE__, \
@ -237,7 +237,7 @@ typedef struct rtvec_def{
&_rtx->fld[_n]; }))
#define RTL_CHECK2(RTX, N, C1, C2) \
(*({ rtx _rtx = RTX; int _n = N; \
(*({ rtx _rtx = (RTX); int _n = (N); \
enum rtx_code _code = GET_CODE (_rtx); \
if (_n < 0 || _n >= GET_RTX_LENGTH (_code)) \
rtl_check_failed_bounds (_rtx, _n, __FILE__, __LINE__, \
@ -248,8 +248,23 @@ typedef struct rtvec_def{
__PRETTY_FUNCTION__); \
&_rtx->fld[_n]; }))
#define RTL_CHECKC1(RTX, N, C) \
(*({ rtx _rtx = (RTX); int _n = (N); \
if (GET_CODE (_rtx) != C) \
rtl_check_failed_code1 (_rtx, C, __FILE__, __LINE__, \
__PRETTY_FUNCTION__); \
&_rtx->fld[_n]; }))
#define RTL_CHECKC2(RTX, N, C1, C2) \
(*({ rtx _rtx = (RTX); int _n = (N); \
enum rtx_code _code = GET_CODE (_rtx); \
if (_code != C1 && _code != C2) \
rtl_check_failed_code2 (_rtx, C1, C2, __FILE__, __LINE__, \
__PRETTY_FUNCTION__); \
&_rtx->fld[_n]; }))
#define RTVEC_ELT(RTVEC, I) \
(*({ rtvec _rtvec = RTVEC; int _i = I; \
(*({ rtvec _rtvec = (RTVEC); int _i = (I); \
if (_i < 0 || _i >= GET_NUM_ELEM (_rtvec)) \
rtvec_check_failed_bounds (_rtvec, _i, __FILE__, __LINE__, \
__PRETTY_FUNCTION__); \
@ -264,15 +279,23 @@ extern void rtl_check_failed_type1 PROTO((rtx, int, int,
extern void rtl_check_failed_type2 PROTO((rtx, int, int, int,
const char *, int, const char *))
ATTRIBUTE_NORETURN;
extern void rtl_check_failed_code1 PROTO((rtx, enum rtx_code,
const char *, int, const char *))
ATTRIBUTE_NORETURN;
extern void rtl_check_failed_code2 PROTO((rtx, enum rtx_code, enum rtx_code,
const char *, int, const char *))
ATTRIBUTE_NORETURN;
extern void rtvec_check_failed_bounds PROTO((rtvec, int,
const char *, int, const char *))
ATTRIBUTE_NORETURN;
#else /* not ENABLE_CHECKING */
#define RTL_CHECK1(RTX, N, C1) ((RTX)->fld[N])
#define RTL_CHECK2(RTX, N, C1, C2) ((RTX)->fld[N])
#define RTVEC_ELT(RTVEC, I) ((RTVEC)->elem[I])
#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, C1) ((RTX)->fld[N])
#define RTVEC_ELT(RTVEC, I) ((RTVEC)->elem[I])
#endif
@ -303,6 +326,21 @@ extern void rtvec_check_failed_bounds PROTO((rtvec, int,
#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 XCWINT(RTX, N, C) (RTL_CHECKC1(RTX, N, C).rtwint)
#define XCINT(RTX, N, C) (RTL_CHECKC1(RTX, N, C).rtint)
#define XCSTR(RTX, N, C) (RTL_CHECKC1(RTX, N, C).rtstr)
#define XCEXP(RTX, N, C) (RTL_CHECKC1(RTX, N, C).rtx)
#define XCVEC(RTX, N, C) (RTL_CHECKC1(RTX, N, C).rtvec)
#define XCMODE(RTX, N, C) (RTL_CHECKC1(RTX, N, C).rttype)
#define XCBITMAP(RTX, N, C) (RTL_CHECKC1(RTX, N, C).rtbit)
#define XCTREE(RTX, N, C) (RTL_CHECKC1(RTX, N, C).rttree)
#define XCBBDEF(RTX, N, C) (RTL_CHECKC1(RTX, N, C).bb)
#define XCADVFLAGS(RTX, N, C) (RTL_CHECKC1(RTX, N, C).rt_addr_diff_vec_flags)
#define XCVECEXP(RTX, N, M, C) RTVEC_ELT (XCVEC (RTX, N, C), M)
#define XCVECLEN(RTX, N, C) GET_NUM_ELEM (XCVEC (RTX, N, C))
#define XC2EXP(RTX, N, C1, C2) (RTL_CHECKC2(RTX, N, C1, C2).rtx)
/* ACCESS MACROS for particular fields of insns. */
@ -471,12 +509,12 @@ extern const char * const reg_note_name[];
The NOTE_INSN_RANGE_{START,END} and NOTE_INSN_LIVE notes record their
information as a rtx in the field. */
#define NOTE_SOURCE_FILE(INSN) X0STR(INSN, 3)
#define NOTE_BLOCK_NUMBER(INSN) X0INT(INSN, 3)
#define NOTE_EH_HANDLER(INSN) X0INT(INSN, 3)
#define NOTE_RANGE_INFO(INSN) X0EXP(INSN, 3)
#define NOTE_LIVE_INFO(INSN) X0EXP(INSN, 3)
#define NOTE_BASIC_BLOCK(INSN) X0BBDEF(INSN, 3)
#define NOTE_SOURCE_FILE(INSN) XCSTR(INSN, 3, NOTE)
#define NOTE_BLOCK_NUMBER(INSN) XCINT(INSN, 3, NOTE)
#define NOTE_EH_HANDLER(INSN) XCINT(INSN, 3, NOTE)
#define NOTE_RANGE_INFO(INSN) XCEXP(INSN, 3, NOTE)
#define NOTE_LIVE_INFO(INSN) XCEXP(INSN, 3, NOTE)
#define NOTE_BASIC_BLOCK(INSN) XCBBDEF(INSN, 3, NOTE)
/* If the NOTE_BLOCK_NUMBER field gets a -1, it means create a new
block node for a live range block. */
@ -484,7 +522,7 @@ extern const char * const reg_note_name[];
/* In a NOTE that is a line number, this is the line number.
Other kinds of NOTEs are identified by negative numbers here. */
#define NOTE_LINE_NUMBER(INSN) XINT(INSN, 4)
#define NOTE_LINE_NUMBER(INSN) XCINT(INSN, 4, NOTE)
/* Codes that appear in the NOTE_LINE_NUMBER field
for kinds of notes that are not line numbers.
@ -552,43 +590,43 @@ extern const char * const note_insn_name[];
/* The name of a label, in case it corresponds to an explicit label
in the input source code. */
#define LABEL_NAME(LABEL) XSTR(LABEL, 4)
#define LABEL_NAME(RTX) XCSTR(RTX, 4, CODE_LABEL)
/* In jump.c, each label contains a count of the number
of LABEL_REFs that point at it, so unused labels can be deleted. */
#define LABEL_NUSES(LABEL) X0INT(LABEL, 5)
#define LABEL_NUSES(RTX) XCINT(RTX, 5, CODE_LABEL)
/* The original regno this ADDRESSOF was built for. */
#define ADDRESSOF_REGNO(RTX) XINT(RTX, 1)
#define ADDRESSOF_REGNO(RTX) XCINT(RTX, 1, ADDRESSOF)
/* The variable in the register we took the address of. */
#define ADDRESSOF_DECL(RTX) XTREE(RTX, 2)
#define ADDRESSOF_DECL(RTX) XCTREE(RTX, 2, ADDRESSOF)
/* In jump.c, each JUMP_INSN can point to a label that it can jump to,
so that if the JUMP_INSN is deleted, the label's LABEL_NUSES can
be decremented and possibly the label can be deleted. */
#define JUMP_LABEL(INSN) X0EXP(INSN, 7)
#define JUMP_LABEL(INSN) XCEXP(INSN, 7, JUMP_INSN)
/* Once basic blocks are found in flow.c,
each CODE_LABEL starts a chain that goes through
all the LABEL_REFs that jump to that label.
The chain eventually winds up at the CODE_LABEL; it is circular. */
#define LABEL_REFS(LABEL) X0EXP(LABEL, 6)
#define LABEL_REFS(LABEL) XCEXP(LABEL, 6, CODE_LABEL)
/* This is the field in the LABEL_REF through which the circular chain
of references to a particular label is linked.
This chain is set up in flow.c. */
#define LABEL_NEXTREF(REF) X0EXP(REF, 1)
#define LABEL_NEXTREF(REF) XCEXP(REF, 1, LABEL_REF)
/* Once basic blocks are found in flow.c,
Each LABEL_REF points to its containing instruction with this field. */
#define CONTAINING_INSN(RTX) X0EXP(RTX, 2)
#define CONTAINING_INSN(RTX) XCEXP(RTX, 2, LABEL_REF)
/* For a REG rtx, REGNO extracts the register number. */
#define REGNO(RTX) XINT(RTX, 0)
#define REGNO(RTX) XCINT(RTX, 0, REG)
/* For a REG rtx, REG_FUNCTION_VALUE_P is nonzero if the reg
is the current function's return value. */
@ -600,13 +638,13 @@ extern const char * const note_insn_name[];
/* For a CONST_INT rtx, INTVAL extracts the integer. */
#define INTVAL(RTX) XWINT(RTX, 0)
#define INTVAL(RTX) XCWINT(RTX, 0, CONST_INT)
/* For a SUBREG rtx, SUBREG_REG extracts the value we want a subreg of.
SUBREG_WORD extracts the word-number. */
#define SUBREG_REG(RTX) XEXP(RTX, 0)
#define SUBREG_WORD(RTX) XINT(RTX, 1)
#define SUBREG_REG(RTX) XCEXP(RTX, 0, SUBREG)
#define SUBREG_WORD(RTX) XCINT(RTX, 1, SUBREG)
/* 1 if the REG contained in SUBREG_REG is already known to be
sign- or zero-extended from the mode of the SUBREG to the mode of
@ -621,17 +659,17 @@ extern const char * const note_insn_name[];
/* Access various components of an ASM_OPERANDS rtx. */
#define ASM_OPERANDS_TEMPLATE(RTX) XSTR ((RTX), 0)
#define ASM_OPERANDS_OUTPUT_CONSTRAINT(RTX) XSTR ((RTX), 1)
#define ASM_OPERANDS_OUTPUT_IDX(RTX) XINT ((RTX), 2)
#define ASM_OPERANDS_INPUT_VEC(RTX) XVEC ((RTX), 3)
#define ASM_OPERANDS_INPUT_CONSTRAINT_VEC(RTX) XVEC ((RTX), 4)
#define ASM_OPERANDS_INPUT(RTX, N) XVECEXP ((RTX), 3, (N))
#define ASM_OPERANDS_INPUT_LENGTH(RTX) XVECLEN ((RTX), 3)
#define ASM_OPERANDS_INPUT_CONSTRAINT(RTX, N) XSTR (XVECEXP ((RTX), 4, (N)), 0)
#define ASM_OPERANDS_INPUT_MODE(RTX, N) GET_MODE (XVECEXP ((RTX), 4, (N)))
#define ASM_OPERANDS_SOURCE_FILE(RTX) XSTR ((RTX), 5)
#define ASM_OPERANDS_SOURCE_LINE(RTX) XINT ((RTX), 6)
#define ASM_OPERANDS_TEMPLATE(RTX) XCSTR ((RTX), 0, ASM_OPERANDS)
#define ASM_OPERANDS_OUTPUT_CONSTRAINT(RTX) XCSTR ((RTX), 1, ASM_OPERANDS)
#define ASM_OPERANDS_OUTPUT_IDX(RTX) XCINT ((RTX), 2, ASM_OPERANDS)
#define ASM_OPERANDS_INPUT_VEC(RTX) XCVEC ((RTX), 3, ASM_OPERANDS)
#define ASM_OPERANDS_INPUT_CONSTRAINT_VEC(RTX) XCVEC ((RTX), 4, ASM_OPERANDS)
#define ASM_OPERANDS_INPUT(RTX, N) XCVECEXP ((RTX), 3, (N), ASM_OPERANDS)
#define ASM_OPERANDS_INPUT_LENGTH(RTX) XCVECLEN ((RTX), 3, ASM_OPERANDS)
#define ASM_OPERANDS_INPUT_CONSTRAINT(RTX, N) XSTR (XCVECEXP ((RTX), 4, (N), ASM_OPERANDS), 0)
#define ASM_OPERANDS_INPUT_MODE(RTX, N) GET_MODE (XCVECEXP ((RTX), 4, (N), ASM_OPERANDS))
#define ASM_OPERANDS_SOURCE_FILE(RTX) XCSTR ((RTX), 5, ASM_OPERANDS)
#define ASM_OPERANDS_SOURCE_LINE(RTX) XCINT ((RTX), 6, ASM_OPERANDS)
/* For a MEM rtx, 1 if it's a volatile reference.
Also in an ASM_OPERANDS rtx. */
@ -669,7 +707,7 @@ extern const char * const note_insn_name[];
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. */
#define MEM_ALIAS_SET(RTX) X0INT(RTX, 1)
#define MEM_ALIAS_SET(RTX) XCINT(RTX, 1, MEM)
/* For a LABEL_REF, 1 means that this reference is to a label outside the
loop containing the reference. */
@ -701,12 +739,12 @@ extern const char * const note_insn_name[];
/* For a SET rtx, SET_DEST is the place that is set
and SET_SRC is the value it is set to. */
#define SET_DEST(RTX) XEXP(RTX, 0)
#define SET_SRC(RTX) XEXP(RTX, 1)
#define SET_DEST(RTX) XC2EXP(RTX, 0, SET, CLOBBER)
#define SET_SRC(RTX) XCEXP(RTX, 1, SET)
/* For a TRAP_IF rtx, TRAP_CONDITION is an expression. */
#define TRAP_CONDITION(RTX) XEXP(RTX, 0)
#define TRAP_CODE(RTX) XEXP(RTX, 1)
#define TRAP_CONDITION(RTX) XCEXP(RTX, 0, TRAP_IF)
#define TRAP_CODE(RTX) XCEXP(RTX, 1, TRAP_IF)
/* 1 in a SYMBOL_REF if it addresses this function's constants pool. */
#define CONSTANT_POOL_ADDRESS_P(RTX) ((RTX)->unchanging)
@ -795,81 +833,81 @@ extern const char * const note_insn_name[];
/* Accessors for RANGE_INFO. */
/* For RANGE_{START,END} notes return the RANGE_START note. */
#define RANGE_INFO_NOTE_START(INSN) (XEXP (INSN, 0))
#define RANGE_INFO_NOTE_START(INSN) XCEXP (INSN, 0, RANGE_INFO)
/* For RANGE_{START,END} notes return the RANGE_START note. */
#define RANGE_INFO_NOTE_END(INSN) (XEXP (INSN, 1))
#define RANGE_INFO_NOTE_END(INSN) XCEXP (INSN, 1, RANGE_INFO)
/* For RANGE_{START,END} notes, return the vector containing the registers used
in the range. */
#define RANGE_INFO_REGS(INSN) (XVEC (INSN, 2))
#define RANGE_INFO_REGS_REG(INSN, N) (XVECEXP (INSN, 2, N))
#define RANGE_INFO_NUM_REGS(INSN) (XVECLEN (INSN, 2))
#define RANGE_INFO_REGS(INSN) XCVEC (INSN, 2, RANGE_INFO)
#define RANGE_INFO_REGS_REG(INSN, N) XCVECEXP (INSN, 2, N, RANGE_INFO)
#define RANGE_INFO_NUM_REGS(INSN) XCVECLEN (INSN, 2, RANGE_INFO)
/* For RANGE_{START,END} notes, the number of calls within the range. */
#define RANGE_INFO_NCALLS(INSN) (XINT (INSN, 3))
#define RANGE_INFO_NCALLS(INSN) XCINT (INSN, 3, RANGE_INFO)
/* For RANGE_{START,END} notes, the number of insns within the range. */
#define RANGE_INFO_NINSNS(INSN) (XINT (INSN, 4))
#define RANGE_INFO_NINSNS(INSN) XCINT (INSN, 4, RANGE_INFO)
/* For RANGE_{START,END} notes, a unique # to identify this range. */
#define RANGE_INFO_UNIQUE(INSN) (XINT (INSN, 5))
#define RANGE_INFO_UNIQUE(INSN) XCINT (INSN, 5, RANGE_INFO)
/* For RANGE_{START,END} notes, the basic block # the range starts with. */
#define RANGE_INFO_BB_START(INSN) (XINT (INSN, 6))
#define RANGE_INFO_BB_START(INSN) XCINT (INSN, 6, RANGE_INFO)
/* For RANGE_{START,END} notes, the basic block # the range ends with. */
#define RANGE_INFO_BB_END(INSN) (XINT (INSN, 7))
#define RANGE_INFO_BB_END(INSN) XCINT (INSN, 7, RANGE_INFO)
/* For RANGE_{START,END} notes, the loop depth the range is in. */
#define RANGE_INFO_LOOP_DEPTH(INSN) (XINT (INSN, 8))
#define RANGE_INFO_LOOP_DEPTH(INSN) XCINT (INSN, 8, RANGE_INFO)
/* For RANGE_{START,END} notes, the bitmap of live registers at the start
of the range. */
#define RANGE_INFO_LIVE_START(INSN) (XBITMAP (INSN, 9))
#define RANGE_INFO_LIVE_START(INSN) XCBITMAP (INSN, 9, RANGE_INFO)
/* For RANGE_{START,END} notes, the bitmap of live registers at the end
of the range. */
#define RANGE_INFO_LIVE_END(INSN) (XBITMAP (INSN, 10))
#define RANGE_INFO_LIVE_END(INSN) XCBITMAP (INSN, 10, RANGE_INFO)
/* For RANGE_START notes, the marker # of the start of the range. */
#define RANGE_INFO_MARKER_START(INSN) (XINT (INSN, 11))
#define RANGE_INFO_MARKER_START(INSN) XCINT (INSN, 11, RANGE_INFO)
/* For RANGE_START notes, the marker # of the end of the range. */
#define RANGE_INFO_MARKER_END(INSN) (XINT (INSN, 12))
#define RANGE_INFO_MARKER_END(INSN) XCINT (INSN, 12, RANGE_INFO)
/* Original pseudo register # for a live range note. */
#define RANGE_REG_PSEUDO(INSN,N) (XINT (XVECEXP (INSN, 2, N), 0))
#define RANGE_REG_PSEUDO(INSN,N) XCINT (XCVECEXP (INSN, 2, N, RANGE_INFO), 0, REG)
/* Pseudo register # original register is copied into or -1. */
#define RANGE_REG_COPY(INSN,N) (XINT (XVECEXP (INSN, 2, N), 1))
#define RANGE_REG_COPY(INSN,N) XCINT (XCVECEXP (INSN, 2, N, RANGE_INFO), 1, REG)
/* How many times a register in a live range note was referenced. */
#define RANGE_REG_REFS(INSN,N) (XINT (XVECEXP (INSN, 2, N), 2))
#define RANGE_REG_REFS(INSN,N) XINT (XCVECEXP (INSN, 2, N, RANGE_INFO), 2)
/* How many times a register in a live range note was set. */
#define RANGE_REG_SETS(INSN,N) (XINT (XVECEXP (INSN, 2, N), 3))
#define RANGE_REG_SETS(INSN,N) XINT (XCVECEXP (INSN, 2, N, RANGE_INFO), 3)
/* How many times a register in a live range note died. */
#define RANGE_REG_DEATHS(INSN,N) (XINT (XVECEXP (INSN, 2, N), 4))
#define RANGE_REG_DEATHS(INSN,N) XINT (XCVECEXP (INSN, 2, N, RANGE_INFO), 4)
/* Whether the original value is needed to be copied into the range register at
the start of the range. */
#define RANGE_REG_COPY_FLAGS(INSN,N) (XINT (XVECEXP (INSN, 2, N), 5))
#define RANGE_REG_COPY_FLAGS(INSN,N) XINT (XCVECEXP (INSN, 2, N, RANGE_INFO), 5)
/* # of insns the register copy is live over. */
#define RANGE_REG_LIVE_LENGTH(INSN,N) (XINT (XVECEXP (INSN, 2, N), 6))
#define RANGE_REG_LIVE_LENGTH(INSN,N) XINT (XCVECEXP (INSN, 2, N, RANGE_INFO), 6)
/* # of calls the register copy is live over. */
#define RANGE_REG_N_CALLS(INSN,N) (XINT (XVECEXP (INSN, 2, N), 7))
#define RANGE_REG_N_CALLS(INSN,N) XINT (XCVECEXP (INSN, 2, N, RANGE_INFO), 7)
/* DECL_NODE pointer of the declaration if the register is a user defined
variable. */
#define RANGE_REG_SYMBOL_NODE(INSN,N) (XTREE (XVECEXP (INSN, 2, N), 8))
#define RANGE_REG_SYMBOL_NODE(INSN,N) XTREE (XCVECEXP (INSN, 2, N, RANGE_INFO), 8)
/* BLOCK_NODE pointer to the block the variable is declared in if the
register is a user defined variable. */
#define RANGE_REG_BLOCK_NODE(INSN,N) (XTREE (XVECEXP (INSN, 2, N), 9))
#define RANGE_REG_BLOCK_NODE(INSN,N) XTREE (XCVECEXP (INSN, 2, N, RANGE_INFO), 9)
/* EXPR_LIST of the distinct ranges a variable is in. */
#define RANGE_VAR_LIST(INSN) (XEXP (INSN, 0))

20
gcc/rtlanal.c
View File

@ -1495,18 +1495,16 @@ find_regno_fusage (insn, code, regno)
return 0;
for (link = CALL_INSN_FUNCTION_USAGE (insn); link; link = XEXP (link, 1))
{
register int regnote;
register rtx op;
{
register int regnote;
register rtx op, reg;
if (GET_CODE (op = XEXP (link, 0)) == code
&& GET_CODE (SET_DEST (op)) == REG
&& (regnote = REGNO (SET_DEST (op))) <= regno
&& regnote
+ HARD_REGNO_NREGS (regnote, GET_MODE (SET_DEST (op)))
> regno)
return 1;
}
if (GET_CODE (op = XEXP (link, 0)) == code
&& GET_CODE (reg = XEXP (op, 0)) == REG
&& (regnote = REGNO (reg)) <= regno
&& regnote + HARD_REGNO_NREGS (regnote, GET_MODE (reg)) > regno)
return 1;
}
return 0;
}