diff options
Diffstat (limited to 'patches/gcc/2.95.3/arm-linux.patch')
| -rw-r--r-- | patches/gcc/2.95.3/arm-linux.patch | 647 |
1 files changed, 647 insertions, 0 deletions
diff --git a/patches/gcc/2.95.3/arm-linux.patch b/patches/gcc/2.95.3/arm-linux.patch new file mode 100644 index 0000000..00974f6 --- /dev/null +++ b/patches/gcc/2.95.3/arm-linux.patch @@ -0,0 +1,647 @@ +--------- snip ------- +Downloaded from ftp://ftp.linux.org.uk/pub/armlinux/toolchain/src-2.95.3/gcc-2.95.3.diff.bz2 +Not sure what it fixes, but this appears to be The Patch used with gcc-2.95.3 on arm. +--------- snip ------- + +diff -urN gcc-2.95.3-orig/gcc/config/arm/arm.c gcc-2.95.3/gcc/config/arm/arm.c +--- gcc-2.95.3-orig/gcc/config/arm/arm.c Thu Jan 25 15:03:24 2001 ++++ gcc-2.95.3/gcc/config/arm/arm.c Fri Jul 20 19:39:11 2001 +@@ -1529,27 +1529,34 @@ + return gen_rtx_PLUS (Pmode, base, offset); + } + else if (GET_CODE (orig) == LABEL_REF) +- current_function_uses_pic_offset_table = 1; +- +- return orig; +-} ++ { ++ current_function_uses_pic_offset_table = 1; + +-static rtx pic_rtx; ++ if (NEED_PLT_GOT) ++ { ++ rtx pic_ref, address = gen_reg_rtx (Pmode); ++ ++ emit_insn (gen_pic_load_addr (address, orig)); ++ pic_ref = gen_rtx_PLUS (Pmode, pic_offset_table_rtx, ++ address); ++ emit_move_insn (address, pic_ref); ++ return address; ++ } ++ } + +-int +-is_pic(x) +- rtx x; +-{ +- if (x == pic_rtx) +- return 1; +- return 0; ++ return orig; + } + ++/* Generate code to load the PIC register. PROLOGUE is true if ++ called from arm_expand_prologue (in which case we want the ++ generated insns at the start of the function); false if called ++ by an exception receiver that needs the PIC register reloaded ++ (in which case the insns are just dumped at the current location). */ + void +-arm_finalize_pic () ++arm_finalize_pic (int prologue) + { + #ifndef AOF_ASSEMBLER +- rtx l1, pic_tmp, pic_tmp2, seq; ++ rtx l1, pic_tmp, pic_tmp2, seq, pic_rtx; + rtx global_offset_table; + + if (current_function_uses_pic_offset_table == 0) +@@ -1578,7 +1585,10 @@ + + seq = gen_sequence (); + end_sequence (); +- emit_insn_after (seq, get_insns ()); ++ if (prologue) ++ emit_insn_after (seq, get_insns ()); ++ else ++ emit_insn (seq); + + /* Need to emit this whether or not we obey regdecls, + since setjmp/longjmp can cause life info to screw up. */ +@@ -5327,7 +5337,13 @@ + if (frame_pointer_needed) + live_regs += 4; + +- if (live_regs) ++ if (live_regs == 1 && regs_ever_live[LR_REGNUM] ++ && ! lr_save_eliminated && ! really_return) ++ { ++ output_asm_insn (reverse ? "ldr%?%D0\t%|lr, [%|sp}, #4" ++ : "ldr%?%d0\t%|lr, [%|sp], #4", &operand); ++ } ++ else if (live_regs) + { + if (lr_save_eliminated || ! regs_ever_live[14]) + live_regs++; +@@ -5446,7 +5462,7 @@ + rtx x; + + length = strlen (name); +- alignlength = (length + 1) + 3 & ~3; ++ alignlength = ((length + 1) + 3) & ~3; + + ASM_OUTPUT_ASCII (stream, name, length + 1); + ASM_OUTPUT_ALIGN (stream, 2); +@@ -5838,6 +5854,9 @@ + int store_arg_regs = 0; + int volatile_func = (optimize > 0 + && TREE_THIS_VOLATILE (current_function_decl)); ++ rtx ip_rtx; ++ int fp_offset = 0; ++ rtx insn; + + /* Naked functions don't have prologues. */ + if (arm_naked_function_p (current_function_decl)) +@@ -5859,11 +5878,59 @@ + live_regs_mask |= 0x4000; + } + ++ ip_rtx = gen_rtx_REG (SImode, IP_REGNUM); ++ + if (frame_pointer_needed) + { ++ if (current_function_needs_context) ++ { ++ /* The Static chain register is the same as the IP register ++ used as a scratch register during stack frame creation. ++ To get around this need to find somewhere to store IP ++ whilst the frame is being created. We try the following ++ places in order: ++ ++ 1. An unused argument register. ++ 2. A slot on the stack above the frame. (This only ++ works if the function is not a varargs function). ++ ++ If neither of these places is available, we abort (for now). */ ++ if (regs_ever_live[3] == 0) ++ { ++ insn = gen_rtx_REG (SImode, 3); ++ insn = gen_rtx_SET (SImode, insn, ip_rtx); ++ insn = emit_insn (insn); ++ RTX_FRAME_RELATED_P (insn) = 1; ++ } ++ else if (current_function_pretend_args_size == 0) ++ { ++ insn = gen_rtx_PRE_DEC (SImode, stack_pointer_rtx); ++ insn = gen_rtx_MEM (SImode, insn); ++ insn = gen_rtx_SET (VOIDmode, insn, ip_rtx); ++ insn = emit_insn (insn); ++ RTX_FRAME_RELATED_P (insn) = 1; ++ fp_offset = 4; ++ } ++ else ++ /* FIXME - the way to handle this situation is to allow ++ the pretend args to be dumped onto the stack, then ++ reuse r3 to save IP. This would involve moving the ++ copying os SP into IP until after the pretend args ++ have been dumped, but this is not too hard. */ ++ error ("Unable to find a temporary location for static chanin register"); ++ } ++ + live_regs_mask |= 0xD800; +- emit_insn (gen_movsi (gen_rtx_REG (SImode, 12), +- stack_pointer_rtx)); ++ if (fp_offset) ++ { ++ insn = gen_rtx_PLUS (SImode, stack_pointer_rtx, GEN_INT (fp_offset)); ++ insn = gen_rtx_SET (SImode, ip_rtx, insn); ++ } ++ else ++ insn = gen_movsi (ip_rtx, stack_pointer_rtx); ++ ++ insn = emit_insn (insn); ++ RTX_FRAME_RELATED_P (insn) = 1; + } + + if (current_function_pretend_args_size) +@@ -5927,9 +5994,31 @@ + } + + if (frame_pointer_needed) +- emit_insn (gen_addsi3 (hard_frame_pointer_rtx, gen_rtx_REG (SImode, 12), +- (GEN_INT +- (-(4 + current_function_pretend_args_size))))); ++ { ++ insn = GEN_INT (-(4 + current_function_pretend_args_size + fp_offset)); ++ insn = emit_insn (gen_addsi3 (hard_frame_pointer_rtx, ip_rtx, insn)); ++ RTX_FRAME_RELATED_P (insn) = 1; ++ ++ if (current_function_needs_context) ++ { ++ /* Recover the static chain register. */ ++ if (regs_ever_live [3] == 0) ++ { ++ insn = gen_rtx_REG (SImode, 3); ++ insn = gen_rtx_SET (SImode, ip_rtx, insn); ++ insn = emit_insn (insn); ++ RTX_FRAME_RELATED_P (insn) = 1; ++ } ++ else /* if (current_function_pretend_args_size == 0) */ ++ { ++ insn = gen_rtx_PLUS (SImode, hard_frame_pointer_rtx, GEN_INT (4)); ++ insn = gen_rtx_MEM (SImode, insn); ++ insn = gen_rtx_SET (SImode, ip_rtx, insn); ++ insn = emit_insn (insn); ++ RTX_FRAME_RELATED_P (insn) = 1; ++ } ++ } ++ } + + if (amount != const0_rtx) + { +diff -urN gcc-2.95.3-orig/gcc/config/arm/arm.h gcc-2.95.3/gcc/config/arm/arm.h +--- gcc-2.95.3-orig/gcc/config/arm/arm.h Thu Jan 25 15:03:26 2001 ++++ gcc-2.95.3/gcc/config/arm/arm.h Fri Jul 20 19:39:11 2001 +@@ -601,14 +601,20 @@ + (TREE_CODE (EXP) == STRING_CST \ + && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN)) + ++#ifndef STRUCTURE_SIZE_BOUNDARY + /* Every structures size must be a multiple of 32 bits. */ + /* This is for compatibility with ARMCC. ARM SDT Reference Manual + (ARM DUI 0020D) page 2-20 says "Structures are aligned on word + boundaries". */ +-#ifndef STRUCTURE_SIZE_BOUNDARY +-#define STRUCTURE_SIZE_BOUNDARY 32 ++/* Setting this to 32 produces more efficient code, but the value set in previous ++ versions of this toolchain was 8, which produces more compact structures. The ++ command line option -mstructure_size_boundary=<n> can be used to change this ++ value. */ ++#define STRUCTURE_SIZE_BOUNDARY arm_structure_size_boundary + #endif + ++extern int arm_structure_size_boundary; ++ + /* Used when parsing command line option -mstructure_size_boundary. */ + extern const char * structure_size_string; + +@@ -768,6 +774,9 @@ + /* Specify the registers used for certain standard purposes. + The values of these macros are register numbers. */ + ++/* Register which holds return address from a subroutine call. */ ++#define LR_REGNUM 14 ++ + /* Define this if the program counter is overloaded on a register. */ + #define PC_REGNUM 15 + +@@ -777,6 +786,9 @@ + /* Base register for access to local variables of the function. */ + #define FRAME_POINTER_REGNUM 25 + ++/* Scratch register - used in all kinds of places, eg trampolines. */ ++#define IP_REGNUM 12 ++ + /* Define this to be where the real frame pointer is if it is not possible to + work out the offset between the frame pointer and the automatic variables + until after register allocation has taken place. FRAME_POINTER_REGNUM +@@ -798,7 +810,7 @@ + /* The native (Norcroft) Pascal compiler for the ARM passes the static chain + as an invisible last argument (possible since varargs don't exist in + Pascal), so the following is not true. */ +-#define STATIC_CHAIN_REGNUM 8 ++#define STATIC_CHAIN_REGNUM 12 + + /* Register in which address to store a structure value + is passed to a function. */ +@@ -1248,7 +1260,12 @@ + { \ + int volatile_func = arm_volatile_func (); \ + if ((FROM) == ARG_POINTER_REGNUM && (TO) == HARD_FRAME_POINTER_REGNUM)\ +- (OFFSET) = 0; \ ++ { \ ++ if (! current_function_needs_context || ! frame_pointer_needed) \ ++ (OFFSET) = 0; \ ++ else \ ++ (OFFSET) = 4; \ ++ } \ + else if ((FROM) == FRAME_POINTER_REGNUM \ + && (TO) == STACK_POINTER_REGNUM) \ + (OFFSET) = (current_function_outgoing_args_size \ +@@ -1379,8 +1396,10 @@ + + On the ARM, allow any integer (invalid ones are removed later by insn + patterns), nice doubles and symbol_refs which refer to the function's +- constant pool XXX. */ +-#define LEGITIMATE_CONSTANT_P(X) (! label_mentioned_p (X)) ++ constant pool XXX. ++ ++ When generating PIC code, allow anything. */ ++#define LEGITIMATE_CONSTANT_P(X) (flag_pic || ! label_mentioned_p (X)) + + /* Symbols in the text segment can be accessed without indirecting via the + constant pool; it may take an extra binary operation, but this is still +@@ -1496,9 +1515,8 @@ + && INTVAL (op) <= 31) \ + goto LABEL; \ + } \ +- /* NASTY: Since this limits the addressing of unsigned byte loads */ \ + range = ((MODE) == HImode || (MODE) == QImode) \ +- ? (arm_arch4 ? 256 : 4095) : 4096; \ ++ ? (((MODE) == HImode && arm_arch4) ? 256 : 4095) : 4096; \ + if (code == CONST_INT && INTVAL (INDEX) < range \ + && INTVAL (INDEX) > -range) \ + goto LABEL; \ +@@ -1812,14 +1830,15 @@ + data addresses in memory. */ + #define PIC_OFFSET_TABLE_REGNUM arm_pic_register + +-#define FINALIZE_PIC arm_finalize_pic () ++#define FINALIZE_PIC arm_finalize_pic (1) + +-/* We can't directly access anything that contains a symbol, ++/* We can't directly access anything that contains a symbol or label, + nor can we indirect via the constant pool. */ + #define LEGITIMATE_PIC_OPERAND_P(X) \ +- (! symbol_mentioned_p (X) \ ++ (! symbol_mentioned_p (X) && ! label_mentioned_p (X) \ + && (! CONSTANT_POOL_ADDRESS_P (X) \ +- || ! symbol_mentioned_p (get_pool_constant (X)))) ++ || (! symbol_mentioned_p (get_pool_constant (X))) \ ++ && (! label_mentioned_p (get_pool_constant (X))))) + + /* We need to know when we are making a constant pool; this determines + whether data needs to be in the GOT or can be referenced via a GOT +@@ -2046,17 +2065,9 @@ + else output_addr_const(STREAM, X); \ + } + +-/* Handles PIC addr specially */ + #define OUTPUT_INT_ADDR_CONST(STREAM,X) \ + { \ +- if (flag_pic && GET_CODE(X) == CONST && is_pic(X)) \ +- { \ +- output_addr_const(STREAM, XEXP (XEXP (XEXP (X, 0), 0), 0)); \ +- fputs(" - (", STREAM); \ +- output_addr_const(STREAM, XEXP (XEXP (XEXP (X, 0), 1), 0)); \ +- fputs(")", STREAM); \ +- } \ +- else output_addr_const(STREAM, X); \ ++ output_addr_const(STREAM, X); \ + \ + /* Mark symbols as position independent. We only do this in the \ + .text segment, not in the .data segment. */ \ +@@ -2170,8 +2181,7 @@ + int arm_return_in_memory PROTO ((Tree)); + int legitimate_pic_operand_p PROTO ((Rtx)); + Rtx legitimize_pic_address PROTO ((Rtx, Mmode, Rtx)); +-int is_pic PROTO ((Rtx)); +-void arm_finalize_pic PROTO ((void)); ++void arm_finalize_pic PROTO ((int)); + int arm_rtx_costs RTX_CODE_PROTO ((Rtx, Rcode)); + int arm_adjust_cost PROTO ((Rtx, Rtx, Rtx, int)); + int const_double_rtx_ok_for_fpu PROTO ((Rtx)); +diff -urN gcc-2.95.3-orig/gcc/config/arm/arm.md gcc-2.95.3/gcc/config/arm/arm.md +--- gcc-2.95.3-orig/gcc/config/arm/arm.md Thu Jan 25 15:03:27 2001 ++++ gcc-2.95.3/gcc/config/arm/arm.md Fri Jul 20 19:39:11 2001 +@@ -2629,7 +2629,8 @@ + : preserve_subexpressions_p ())); + DONE; + } +- if (CONSTANT_P (operands[1]) && flag_pic) ++ if ((CONSTANT_P (operands[1]) || symbol_mentioned_p (operands[1]) ++ || label_mentioned_p (operands[1])) && flag_pic) + operands[1] = legitimize_pic_address (operands[1], SImode, + ((reload_in_progress + || reload_completed) +@@ -2721,6 +2722,15 @@ + return \"add%?\\t%0, %|pc, %0\"; + ") + ++(define_expand "builtin_setjmp_receiver" ++ [(label_ref (match_operand 0 "" ""))] ++ "flag_pic" ++ " ++{ ++ arm_finalize_pic (0); ++ DONE; ++}") ++ + ;; If copying one reg to another we can set the condition codes according to + ;; its value. Such a move is common after a return from subroutine and the + ;; result is being tested against zero. +@@ -6184,15 +6194,20 @@ + abort (); + return \"\"; + } +- strcpy (pattern, \"stmfd\\t%m0!, {%1\"); +- for (i = 1; i < XVECLEN (operands[2], 0); i++) ++ if (XVECLEN (operands[2], 0) > 1) + { +- strcat (pattern, \", %|\"); +- strcat (pattern, reg_names[REGNO (XEXP (XVECEXP (operands[2], 0, i), ++ strcpy (pattern, \"stmfd\\t%m0!, {%1\"); ++ for (i = 1; i < XVECLEN (operands[2], 0); i++) ++ { ++ strcat (pattern, \", %|\"); ++ strcat (pattern, reg_names[REGNO (XEXP (XVECEXP (operands[2], 0, i), + 0))]); ++ } ++ strcat (pattern, \"}\"); ++ output_asm_insn (pattern, operands); + } +- strcat (pattern, \"}\"); +- output_asm_insn (pattern, operands); ++ else ++ output_asm_insn (\"str\\t%1, [%m0, #-4]!\", operands); + return \"\"; + }" + [(set_attr "type" "store4")]) +diff -urN gcc-2.95.3-orig/gcc/config/arm/elf.h gcc-2.95.3/gcc/config/arm/elf.h +--- gcc-2.95.3-orig/gcc/config/arm/elf.h Mon May 31 10:21:53 1999 ++++ gcc-2.95.3/gcc/config/arm/elf.h Fri Jul 20 19:39:11 2001 +@@ -167,15 +167,6 @@ + #define MULTILIB_DEFAULTS { "mlittle-endian", "msoft-float", "mapcs-32", "mno-thumb-interwork" } + #endif + +-/* Setting this to 32 produces more efficient code, but the value set in previous +- versions of this toolchain was 8, which produces more compact structures. The +- command line option -mstructure_size_boundary=<n> can be used to change this +- value. */ +-#undef STRUCTURE_SIZE_BOUNDARY +-#define STRUCTURE_SIZE_BOUNDARY arm_structure_size_boundary +- +-extern int arm_structure_size_boundary; +- + /* A C expression whose value is nonzero if IDENTIFIER with arguments ARGS + is a valid machine specific attribute for DECL. + The attributes in ATTRIBUTES have previously been assigned to DECL. */ +diff -urN gcc-2.95.3-orig/gcc/config/arm/linux-gas.h gcc-2.95.3/gcc/config/arm/linux-gas.h +--- gcc-2.95.3-orig/gcc/config/arm/linux-gas.h Mon Feb 22 17:47:57 1999 ++++ gcc-2.95.3/gcc/config/arm/linux-gas.h Fri Jul 20 19:39:11 2001 +@@ -1,6 +1,6 @@ + /* Definitions of target machine for GNU compiler. + ARM Linux-based GNU systems version. +- Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc. ++ Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc. + Contributed by Russell King <rmk92@ecs.soton.ac.uk>. + + This file is part of GNU CC. +@@ -79,5 +79,7 @@ + register unsigned long _beg __asm ("a1") = (unsigned long) (BEG); \ + register unsigned long _end __asm ("a2") = (unsigned long) (END); \ + register unsigned long _flg __asm ("a3") = 0; \ +- __asm __volatile ("swi 0x9f0002"); \ ++ __asm __volatile ("swi 0x9f0002 @ sys_cacheflush" \ ++ : "=r" (_beg) \ ++ : "0" (_beg), "r" (_end), "r" (_flg)); \ + } +diff -urN gcc-2.95.3-orig/gcc/config/arm/t-linux gcc-2.95.3/gcc/config/arm/t-linux +--- gcc-2.95.3-orig/gcc/config/arm/t-linux Fri Mar 26 16:30:20 1999 ++++ gcc-2.95.3/gcc/config/arm/t-linux Fri Jul 20 20:46:19 2001 +@@ -1,6 +1,6 @@ + # Just for these, we omit the frame pointer since it makes such a big + # difference. It is then pointless adding debugging. +-TARGET_LIBGCC2_CFLAGS = -fomit-frame-pointer -fPIC ++TARGET_LIBGCC2_CFLAGS = -fomit-frame-pointer -fPIC + LIBGCC2_DEBUG_CFLAGS = -g0 + + # Don't build enquire +diff -urN gcc-2.95.3-orig/gcc/final.c gcc-2.95.3/gcc/final.c +--- gcc-2.95.3-orig/gcc/final.c Mon Mar 12 13:07:59 2001 ++++ gcc-2.95.3/gcc/final.c Fri Jul 20 19:39:11 2001 +@@ -3652,8 +3652,9 @@ + + output_addr_const (file, XEXP (x, 0)); + fprintf (file, "-"); +- if (GET_CODE (XEXP (x, 1)) == CONST_INT +- && INTVAL (XEXP (x, 1)) < 0) ++ if ((GET_CODE (XEXP (x, 1)) == CONST_INT ++ && INTVAL (XEXP (x, 1)) < 0) ++ || GET_CODE (XEXP (x, 1)) != CONST_INT) + { + fprintf (file, ASM_OPEN_PAREN); + output_addr_const (file, XEXP (x, 1)); +diff -urN gcc-2.95.3-orig/gcc/function.c gcc-2.95.3/gcc/function.c +--- gcc-2.95.3-orig/gcc/function.c Thu Jan 25 15:03:15 2001 ++++ gcc-2.95.3/gcc/function.c Fri Jul 20 19:39:10 2001 +@@ -3053,6 +3053,105 @@ + extracted by usage MEM with narrower mode. */ + static rtx purge_addressof_replacements; + ++/* Return 1 if X and Y are identical-looking rtx's. ++ This is the Lisp function EQUAL for rtx arguments. */ ++ ++int ++rtx_equal_for_addressof_p (x, y) ++ rtx x, y; ++{ ++ register int i; ++ register int j; ++ register enum rtx_code code; ++ register char *fmt; ++ ++ if (x == y) ++ return 1; ++ if (x == 0 || y == 0) ++ return 0; ++ ++ code = GET_CODE (x); ++ /* Rtx's of different codes cannot be equal. */ ++ if (code != GET_CODE (y)) ++ return 0; ++ ++ /* (MULT:SI x y) and (MULT:HI x y) are NOT equivalent. ++ (REG:SI x) and (REG:HI x) are NOT equivalent. ++ But (MEM:SI x) and (MEM:HI x) are equivalent for our purposes. */ ++ ++ if (code != MEM && (GET_MODE (x) != GET_MODE (y))) ++ return 0; ++ ++ /* REG, LABEL_REF, and SYMBOL_REF can be compared nonrecursively. */ ++ ++ if (code == REG) ++ return REGNO (x) == REGNO (y); ++ else if (code == LABEL_REF) ++ return XEXP (x, 0) == XEXP (y, 0); ++ else if (code == SYMBOL_REF) ++ return XSTR (x, 0) == XSTR (y, 0); ++ else if (code == SCRATCH || code == CONST_DOUBLE) ++ return 0; ++ ++ /* Compare the elements. If any pair of corresponding elements ++ fail to match, return 0 for the whole things. */ ++ ++ fmt = GET_RTX_FORMAT (code); ++ for (i = GET_RTX_LENGTH (code) - 1; i >= 0; i--) ++ { ++ switch (fmt[i]) ++ { ++ case 'w': ++ if (XWINT (x, i) != XWINT (y, i)) ++ return 0; ++ break; ++ ++ case 'n': ++ case 'i': ++ if (XINT (x, i) != XINT (y, i)) ++ return 0; ++ break; ++ ++ case 'V': ++ case 'E': ++ /* Two vectors must have the same length. */ ++ if (XVECLEN (x, i) != XVECLEN (y, i)) ++ return 0; ++ ++ /* And the corresponding elements must match. */ ++ for (j = 0; j < XVECLEN (x, i); j++) ++ if (rtx_equal_p (XVECEXP (x, i, j), XVECEXP (y, i, j)) == 0) ++ return 0; ++ break; ++ ++ case 'e': ++ if (rtx_equal_p (XEXP (x, i), XEXP (y, i)) == 0) ++ return 0; ++ break; ++ ++ case 'S': ++ case 's': ++ if (strcmp (XSTR (x, i), XSTR (y, i))) ++ return 0; ++ break; ++ ++ case 'u': ++ /* These are just backpointers, so they don't matter. */ ++ break; ++ ++ case '0': ++ break; ++ ++ /* It is believed that rtx's at this level will never ++ contain anything but integers and other rtx's, ++ except for within LABEL_REFs and SYMBOL_REFs. */ ++ default: ++ abort (); ++ } ++ } ++ return 1; ++} ++ + /* Helper function for purge_addressof. See if the rtx expression at *LOC + in INSN needs to be changed. If FORCE, always put any ADDRESSOFs into + the stack. */ +@@ -3133,7 +3232,7 @@ + for (tem = purge_bitfield_addressof_replacements; + tem != NULL_RTX; + tem = XEXP (XEXP (tem, 1), 1)) +- if (rtx_equal_p (x, XEXP (tem, 0))) ++ if (rtx_equal_for_addressof_p (x, XEXP (tem, 0))) + { + *loc = XEXP (XEXP (tem, 1), 0); + return; +@@ -3143,7 +3242,7 @@ + for (tem = purge_addressof_replacements; + tem != NULL_RTX; + tem = XEXP (XEXP (tem, 1), 1)) +- if (rtx_equal_p (XEXP (x, 0), XEXP (tem, 0))) ++ if (rtx_equal_for_addressof_p (XEXP (x, 0), XEXP (tem, 0))) + { + rtx z = XEXP (XEXP (tem, 1), 0); + +diff -urN gcc-2.95.3-orig/gcc/jump.c gcc-2.95.3/gcc/jump.c +--- gcc-2.95.3-orig/gcc/jump.c Thu Oct 21 08:24:03 1999 ++++ gcc-2.95.3/gcc/jump.c Fri Jul 20 19:39:10 2001 +@@ -115,7 +115,7 @@ + static rtx delete_unreferenced_labels PROTO((rtx)); + static void delete_noop_moves PROTO((rtx)); + static int calculate_can_reach_end PROTO((rtx, int, int)); +-static int duplicate_loop_exit_test PROTO((rtx)); ++static int duplicate_loop_exit_test PROTO((rtx, int)); + static void find_cross_jump PROTO((rtx, rtx, int, rtx *, rtx *)); + static void do_cross_jump PROTO((rtx, rtx, rtx)); + static int jump_back_p PROTO((rtx, rtx)); +@@ -338,7 +338,7 @@ + && simplejump_p (temp1)) + { + temp = PREV_INSN (insn); +- if (duplicate_loop_exit_test (insn)) ++ if (duplicate_loop_exit_test (insn, after_regscan)) + { + changed = 1; + next = NEXT_INSN (temp); +@@ -2548,8 +2548,9 @@ + values of regno_first_uid and regno_last_uid. */ + + static int +-duplicate_loop_exit_test (loop_start) ++duplicate_loop_exit_test (loop_start, after_regscan) + rtx loop_start; ++ int after_regscan; + { + rtx insn, set, reg, p, link; + rtx copy = 0, first_copy = 0; +@@ -2662,6 +2663,9 @@ + reg_map[REGNO (reg)] = gen_reg_rtx (GET_MODE (reg)); + } + } ++ ++ if (after_regscan) ++ reg_scan_update (exitcode, lastexit, max_reg); + + /* Now copy each insn. */ + for (insn = exitcode; insn != lastexit; insn = NEXT_INSN (insn)) +diff -urN gcc-2.95.3-orig/gcc/varasm.c gcc-2.95.3/gcc/varasm.c +--- gcc-2.95.3-orig/gcc/varasm.c Mon Feb 19 15:02:02 2001 ++++ gcc-2.95.3/gcc/varasm.c Fri Jul 20 19:39:11 2001 +@@ -3286,7 +3286,10 @@ + value->un.addr.offset = - INTVAL (XEXP (x, 1)); + } + else +- abort (); ++ { ++ value->un.addr.base = x; ++ value->un.addr.offset = 0; ++ } + break; + + default: |