X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Frtl.h;h=604d09678952007aa80bb97edca78d4b3129c799;hb=9a5e2a74356e5a43623c64af454771774cdabad7;hp=64dc3bc85988e75ab045ab0ff0f03c21bbaa4654;hpb=3ddccd577896fafaf76163658ebec92f5e7c1ef1;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/rtl.h b/gcc/rtl.h
index 64dc3bc8598..604d0967895 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -1,6 +1,6 @@
 /* Register Transfer Language (RTL) definitions for GCC
    Copyright (C) 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
+   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -149,7 +149,11 @@ typedef struct mem_attrs GTY(())
 } mem_attrs;
 
 /* Structure used to describe the attributes of a REG in similar way as
-   mem_attrs does for MEM above.  */
+   mem_attrs does for MEM above.  Note that the OFFSET field is calculated
+   in the same way as for mem_attrs, rather than in the same way as a
+   SUBREG_BYTE.  For example, if a big-endian target stores a byte
+   object in the low part of a 4-byte register, the OFFSET field
+   will be -3 rather than 0.  */
 
 typedef struct reg_attrs GTY(())
 {
@@ -1063,6 +1067,7 @@ extern bool subreg_offset_representable_p (unsigned int, enum machine_mode,
 					   unsigned int, enum machine_mode);
 extern unsigned int subreg_regno (const_rtx);
 extern unsigned int subreg_nregs (const_rtx);
+extern unsigned int subreg_nregs_with_regno (unsigned int, const_rtx);
 extern unsigned HOST_WIDE_INT nonzero_bits (const_rtx, enum machine_mode);
 extern unsigned int num_sign_bit_copies (const_rtx, enum machine_mode);
 extern bool constant_pool_constant_p (rtx);
@@ -1109,15 +1114,8 @@ do {									\
   XSTR (XCVECEXP (RTX, 4, N, ASM_OPERANDS), 0)
 #define ASM_OPERANDS_INPUT_MODE(RTX, N)  \
   GET_MODE (XCVECEXP (RTX, 4, N, ASM_OPERANDS))
-#ifdef USE_MAPPED_LOCATION
 #define ASM_OPERANDS_SOURCE_LOCATION(RTX) XCUINT (RTX, 5, ASM_OPERANDS)
 #define ASM_INPUT_SOURCE_LOCATION(RTX) XCUINT (RTX, 1, ASM_INPUT)
-#else
-#define ASM_OPERANDS_SOURCE_FILE(RTX) XCSTR (RTX, 5, ASM_OPERANDS)
-#define ASM_OPERANDS_SOURCE_LINE(RTX) XCINT (RTX, 6, ASM_OPERANDS)
-#define ASM_INPUT_SOURCE_FILE(RTX) XCSTR (RTX, 1, ASM_INPUT)
-#define ASM_INPUT_SOURCE_LINE(RTX) XCINT (RTX, 2, ASM_INPUT)
-#endif
 
 /* 1 if RTX is a mem that is statically allocated in read-only memory.  */
 #define MEM_READONLY_P(RTX) \
@@ -1209,8 +1207,8 @@ do {						\
    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.  */
+/* For a REG rtx, the offset from the start of REG_EXPR, if known, as an
+   HOST_WIDE_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.  */
@@ -1475,9 +1473,10 @@ 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_reg_attrs_from_value (rtx, rtx);
 extern void set_mem_attrs_from_reg (rtx, rtx);
 extern void set_reg_attrs_for_parm (rtx, rtx);
+extern void adjust_reg_mode (rtx, enum machine_mode);
 extern int mem_expr_equal_p (const_tree, const_tree);
 
 /* In rtl.c */
@@ -1521,6 +1520,7 @@ 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 int byte_lowpart_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);
@@ -1723,7 +1723,6 @@ extern int refers_to_regno_p (unsigned int, unsigned int, const_rtx, rtx *);
 extern int reg_overlap_mentioned_p (const_rtx, const_rtx);
 extern const_rtx set_of (const_rtx, const_rtx);
 extern void note_stores (const_rtx, void (*) (rtx, const_rtx, void *), void *);
-extern void const_note_stores (const_rtx, void (*) (const_rtx, const_rtx, const void *), const void *);
 extern void note_uses (rtx *, void (*) (rtx *, void *), void *);
 extern int dead_or_set_p (const_rtx, const_rtx);
 extern int dead_or_set_regno_p (const_rtx, unsigned int);
@@ -1739,6 +1738,7 @@ extern void remove_reg_equal_equiv_notes (rtx);
 extern int side_effects_p (const_rtx);
 extern int volatile_refs_p (const_rtx);
 extern int volatile_insn_p (const_rtx);
+extern int may_trap_p_1 (const_rtx, unsigned);
 extern int may_trap_p (const_rtx);
 extern int may_trap_after_code_motion_p (const_rtx);
 extern int may_trap_or_fault_p (const_rtx);
@@ -1885,20 +1885,10 @@ extern GTY(()) rtx return_address_pointer_rtx;
 #ifndef GENERATOR_FILE
 #include "genrtl.h"
 #undef gen_rtx_ASM_INPUT
-#ifdef USE_MAPPED_LOCATION
 #define gen_rtx_ASM_INPUT(MODE, ARG0)				\
   gen_rtx_fmt_si (ASM_INPUT, (MODE), (ARG0), 0)
 #define gen_rtx_ASM_INPUT_loc(MODE, ARG0, LOC)			\
   gen_rtx_fmt_si (ASM_INPUT, (MODE), (ARG0), (LOC))
-#else
-#define gen_rtx_ASM_INPUT(MODE, ARG0)				\
-  gen_rtx_fmt_ssi (ASM_INPUT, (MODE), (ARG0), "", 0)
-#define gen_rtx_ASM_INPUT_loc(MODE, ARG0, LOC)			\
-  gen_rtx_fmt_ssi (ASM_INPUT, (MODE), (ARG0), (LOC).file, (LOC).line)
-#undef gen_rtx_ASM_OPERANDS
-#define gen_rtx_ASM_OPERANDS(MODE, ARG0, ARG1, ARG2, ARG3, ARG4, LOC) \
-  gen_rtx_fmt_ssiEEsi (ASM_OPERANDS, (MODE), (ARG0), (ARG1), (ARG2), (ARG3), (ARG4), (LOC).file, (LOC).line)
-#endif
 #endif
 
 /* There are some RTL codes that require special attention; the
@@ -2092,6 +2082,7 @@ extern void emit_insn_at_entry (rtx);
 extern void delete_insn_chain (rtx, rtx, bool);
 extern rtx unlink_insn_chain (rtx, rtx);
 extern rtx delete_insn_and_edges (rtx);
+extern void delete_insn_chain_and_edges (rtx, rtx);
 extern rtx gen_lowpart_SUBREG (enum machine_mode, rtx);
 extern rtx gen_const_mem (enum machine_mode, rtx);
 extern rtx gen_frame_mem (enum machine_mode, rtx);
@@ -2109,6 +2100,7 @@ extern void dump_combine_total_stats (FILE *);
 extern void delete_dead_jumptables (void);
 
 /* In sched-vis.c.  */
+extern void print_insn (char *, rtx, int);
 extern void print_rtl_slim_with_bb (FILE *, rtx, int);
 extern void dump_insn_slim (FILE *f, rtx x);
 extern void debug_insn_slim (rtx x);
@@ -2173,7 +2165,6 @@ extern void dump_global_regs (FILE *);
 /* Yes, this ifdef is silly, but HARD_REG_SET is not always defined.  */
 extern void retry_global_alloc (int, HARD_REG_SET);
 #endif
-extern void build_insn_chain (rtx);
 
 /* In regclass.c */
 extern int reg_classes_intersect_p (enum reg_class, enum reg_class);