gcc-20030210-sh-linux-1.patch

linux下编译交叉工具链的工具源码

+#if defined(HAVE_LD_EH_FRAME_HDR)
+#undef LINK_EH_SPEC
+#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
+#endif
 
 #undef STARTFILE_SPEC
 #define STARTFILE_SPEC \
@@ -92,4 +127,40 @@
      %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
 		       %{!p:%{profile:gcrt1.o%s} \
 			 %{!profile:crt1.o%s}}}} \
-   crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
+   crti.o%s %{static:crtbeginT.o%s}\
+   %{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
+
+#undef FUNCTION_PROFILER
+#define FUNCTION_PROFILER(STREAM,LABELNO)				\
+do									\
+{									\
+  if (flag_pic)								\
+    {									\
+      fprintf (STREAM, "	mov.l	3f,r1\n");			\
+      fprintf (STREAM, "	mova	3f,r0\n");			\
+      fprintf (STREAM, "	add	r1,r0\n");			\
+      fprintf (STREAM, "	mov.l	1f,r1\n");			\
+      fprintf (STREAM, "	mov.l	@(r0,r1),r1\n");		\
+    }									\
+  else									\
+    {									\
+      fprintf (STREAM, "	mov.l	1f,r1\n");			\
+    }									\
+  fprintf (STREAM, "	sts.l	pr,@-r15\n");				\
+  fprintf (STREAM, "	mova	2f,r0\n");				\
+  fprintf (STREAM, "	jmp	@r1\n");				\
+  fprintf (STREAM, "	lds	r0,pr\n");				\
+  fprintf (STREAM, "	.align	2\n");					\
+  if (flag_pic)								\
+    {									\
+      fprintf (STREAM, "1:	.long	mcount@GOT\n");			\
+      fprintf (STREAM, "3:	.long	_GLOBAL_OFFSET_TABLE_\n");	\
+    }									\
+  else									\
+    {									\
+      fprintf (STREAM, "1:	.long	mcount\n");			\
+    }									\
+  fprintf (STREAM, "2:	lds.l	@r15+,pr\n");				\
+} while (0)
+
+#define NO_SHARED_LIBGCC_MULTILIB
diff -ruN gcc-20030210.orig/gcc/config/sh/sh-protos.h gcc-20030210/gcc/config/sh/sh-protos.h
--- gcc-20030210.orig/gcc/config/sh/sh-protos.h	Fri Feb 22 01:42:28 2002
+++ gcc-20030210/gcc/config/sh/sh-protos.h	Sat Feb 22 01:40:14 2003
@@ -74,6 +74,7 @@
 extern int shl_sext_length PARAMS ((rtx));
 extern int gen_shl_sext PARAMS ((rtx, rtx, rtx, rtx));
 extern rtx gen_datalabel_ref PARAMS ((rtx));
+extern int shl_casesi_worker_length PARAMS ((rtx));
 extern int regs_used PARAMS ((rtx, int));
 extern void fixup_addr_diff_vecs PARAMS ((rtx));
 extern int get_dest_uid PARAMS ((rtx, int));
diff -ruN gcc-20030210.orig/gcc/config/sh/sh.c gcc-20030210/gcc/config/sh/sh.c
--- gcc-20030210.orig/gcc/config/sh/sh.c	Fri Feb 22 01:42:28 2002
+++ gcc-20030210/gcc/config/sh/sh.c	Sat Feb 22 01:40:14 2003
@@ -2143,6 +2143,48 @@
   return sym;
 }
 
+
+/* Function to be used in the length attribute of the casesi_worker
+   instruction.  Returns number of instructions, which is half of the
+   length of bytes. */
+
+int
+shl_casesi_worker_length (insn)
+     rtx insn;
+{
+  rtx set_src, label;
+  rtx diff_vec;
+
+  set_src = SET_SRC (XVECEXP (PATTERN (insn), 0, 0));
+  if (!(GET_CODE (set_src) == UNSPEC
+	&& XINT (set_src, 1) == UNSPEC_CASESI))
+    abort ();
+
+  label = XVECEXP (set_src, 0, 2);
+  if (GET_CODE (label) != LABEL_REF)
+    abort ();
+
+  diff_vec = PATTERN (next_real_insn (XEXP (label, 0)));
+
+  if (GET_CODE (diff_vec) != ADDR_DIFF_VEC)
+    abort ();
+
+  switch (GET_MODE (diff_vec))
+    {
+    case SImode:
+      return 2;
+    case HImode:
+      if (ADDR_DIFF_VEC_FLAGS (diff_vec).offset_unsigned)
+	return 3;
+      return 2;
+    case QImode:
+      if (ADDR_DIFF_VEC_FLAGS (diff_vec).offset_unsigned)
+	return 2;
+      return 1;
+    default:
+      abort ();
+    }
+}
 
 /* The SH cannot load a large constant into a register, constants have to
    come from a pc relative load.  The reference of a pc relative load
@@ -3190,7 +3232,7 @@
       vec_lab = XEXP (XEXP (pat, 0), 0);
 
       /* Search the matching casesi_jump_2.  */
-      for (prev = vec_lab; ; prev = PREV_INSN (prev))
+      for (prev = vec_lab; prev; prev = PREV_INSN (prev))
 	{
 	  if (GET_CODE (prev) != JUMP_INSN)
 	    continue;
@@ -3205,6 +3247,13 @@
 	    break;
 	}
 
+      if (prev == NULL)
+	{			/* Switch statement has been optimized out.  */
+	  delete_insn (PREV_INSN (insn));
+	  delete_insn (insn);
+	  continue;
+	}
+
       /* Emit the reference label of the braf where it belongs, right after
 	 the casesi_jump_2 (i.e. braf).  */
       braf_label = XEXP (XEXP (SET_SRC (XVECEXP (prevpat, 0, 0)), 1), 0);
@@ -3223,7 +3272,7 @@
      rtx barrier_or_label;
 {
   rtx next = next_real_insn (barrier_or_label), pat, prev;
-  int slot, credit, jump_to_next;
+  int slot, credit, jump_to_next = 0;
  
   if (! next)
     return 0;
@@ -4507,7 +4556,8 @@
   if (current_function_varargs || current_function_stdarg)
     {
       /* This is not used by the SH3E calling convention  */
-      if (TARGET_SH1 && ! TARGET_SH3E && ! TARGET_SH5 && ! TARGET_HITACHI)
+      if (TARGET_SH1 && ! TARGET_SH3E && ! TARGET_SH5 && ! TARGET_HITACHI
+	  || TARGET_NO_IMPLICIT_FP)
 	{
 	  /* Push arg regs as if they'd been provided by caller in stack.  */
 	  for (i = 0; i < NPARM_REGS(SImode); i++)
@@ -5149,7 +5199,8 @@
   tree f_next_o, f_next_o_limit, f_next_fp, f_next_fp_limit, f_next_stack;
   tree record;
 
-  if (TARGET_SH5 || (! TARGET_SH3E && ! TARGET_SH4) || TARGET_HITACHI)
+  if (TARGET_SH5 || (! TARGET_SH3E && ! TARGET_SH4) || TARGET_HITACHI
+      || TARGET_NO_IMPLICIT_FP)
     return ptr_type_node;
 
   record = make_node (RECORD_TYPE);
@@ -5211,7 +5262,8 @@
       return;
     }
 
-  if ((! TARGET_SH3E && ! TARGET_SH4) || TARGET_HITACHI)
+  if ((! TARGET_SH3E && ! TARGET_SH4)
+      || TARGET_HITACHI || TARGET_NO_IMPLICIT_FP)
     {
       std_expand_builtin_va_start (stdarg_p, valist, nextarg);
       return;
@@ -5289,7 +5341,8 @@
   rsize = (size + UNITS_PER_WORD - 1) & -UNITS_PER_WORD;
   pptr_type_node = build_pointer_type (ptr_type_node);
 
-  if (! TARGET_SH5 && (TARGET_SH3E || TARGET_SH4) && ! TARGET_HITACHI)
+  if (! TARGET_SH5 && (TARGET_SH3E || TARGET_SH4)
+      && ! TARGET_HITACHI && ! TARGET_NO_IMPLICIT_FP)
     {
       tree f_next_o, f_next_o_limit, f_next_fp, f_next_fp_limit, f_next_stack;
       tree next_o, next_o_limit, next_fp, next_fp_limit, next_stack;
diff -ruN gcc-20030210.orig/gcc/config/sh/sh.h gcc-20030210/gcc/config/sh/sh.h
--- gcc-20030210.orig/gcc/config/sh/sh.h	Fri Feb 22 01:42:28 2002
+++ gcc-20030210/gcc/config/sh/sh.h	Sat Feb 22 01:40:14 2003
@@ -147,10 +147,10 @@
 #define HARD_SH4_BIT	(1<<5)
 #define FPU_SINGLE_BIT	(1<<7)
 #define SH4_BIT	       	(1<<12)
+#define NO_IMPLICIT_FP_BIT	(1<<3)
 #define FMOVD_BIT	(1<<4)
 #define SH5_BIT		(1<<0)
 #define SPACE_BIT 	(1<<13)
-#define BIGTABLE_BIT  	(1<<14)
 #define RELAX_BIT	(1<<15)
 #define USERMODE_BIT	(1<<16)
 #define HITACHI_BIT     (1<<22)
@@ -205,6 +205,9 @@
 /* Nonzero if we should generate code for a SH5 CPU (either ISA).  */
 #define TARGET_SH5 (target_flags & SH5_BIT)
 
+/* Nonzero if we should not use FPU implicitly.  */
+#define TARGET_NO_IMPLICIT_FP (target_flags & NO_IMPLICIT_FP_BIT)
+
 /* Nonzero if we should generate code using the SHcompact instruction
    set and 32-bit ABI.  */
 #define TARGET_SHCOMPACT (TARGET_SH5 && TARGET_SH1)
@@ -225,6 +228,7 @@
 
 /* Nonzero if we should generate code using SHmedia FPU instructions.  */
 #define TARGET_SHMEDIA_FPU (TARGET_SHMEDIA && TARGET_FPU_DOUBLE)
+
 /* Nonzero if we should generate fmovd.  */
 #define TARGET_FMOVD (target_flags & FMOVD_BIT)
 
@@ -234,9 +238,6 @@
 /* Nonzero if we should generate smaller code rather than faster code.  */
 #define TARGET_SMALLCODE   (target_flags & SPACE_BIT)
 
-/* Nonzero to use long jump tables.  */
-#define TARGET_BIGTABLE     (target_flags & BIGTABLE_BIT)
-
 /* Nonzero to generate pseudo-ops needed by the assembler and linker
    to do function call relaxing.  */
 #define TARGET_RELAX (target_flags & RELAX_BIT)
@@ -297,7 +298,6 @@
   {"5-compact-nofpu", TARGET_NONE, "" },	\
   {"5-compact-nofpu", SH5_BIT|SH3_BIT|SH2_BIT|SH1_BIT, "Generate FPU-less SHcompact code" }, \
   {"b",		-LITTLE_ENDIAN_BIT, "" },  	\
-  {"bigtable", 	BIGTABLE_BIT, "" },		\
   {"dalign",  	DALIGN_BIT, "" },		\
   {"fmovd",  	FMOVD_BIT, "" },		\
   {"hitachi",	HITACHI_BIT, "" },		\
@@ -306,6 +306,7 @@
   {"isize", 	ISIZE_BIT, "" },		\
   {"l",		LITTLE_ENDIAN_BIT, "" },  	\
   {"no-ieee",  	-IEEE_BIT, "" },		\
+  {"no-implicit-fp", NO_IMPLICIT_FP_BIT, "" },	\
   {"padstruct", PADSTRUCT_BIT, "" },    	\
   {"prefergot",	PREFERGOT_BIT, "" },		\
   {"relax",	RELAX_BIT, "" },		\
@@ -2493,16 +2494,22 @@
     goto LABEL;								\
 }
 
+extern int optimize; /* needed for gen_casesi.  */
+extern int optimize_size;
+
 /* Specify the machine mode that this machine uses
    for the index in the tablejump instruction.  */
-#define CASE_VECTOR_MODE (TARGET_BIGTABLE ? SImode : HImode)
+#define CASE_VECTOR_MODE SImode
 
 #define CASE_VECTOR_SHORTEN_MODE(MIN_OFFSET, MAX_OFFSET, BODY) \
 ((MIN_OFFSET) >= 0 && (MAX_OFFSET) <= 127 \
  ? (ADDR_DIFF_VEC_FLAGS (BODY).offset_unsigned = 0, QImode) \
  : (MIN_OFFSET) >= 0 && (MAX_OFFSET) <= 255 \
  ? (ADDR_DIFF_VEC_FLAGS (BODY).offset_unsigned = 1, QImode) \
- : (MIN_OFFSET) >= -32768 && (MAX_OFFSET) <= 32767 ? HImode \
+ : (MIN_OFFSET) >= -32768 && (MAX_OFFSET) <= 32767 \
+ ? (ADDR_DIFF_VEC_FLAGS (BODY).offset_unsigned = 0, HImode) \
+ : optimize_size && (MIN_OFFSET) >= 0 && (MAX_OFFSET) <= 65535 \
+ ? (ADDR_DIFF_VEC_FLAGS (BODY).offset_unsigned = 1, HImode) \
  : SImode)
 
 /* Define as C expression which evaluates to nonzero if the tablejump
@@ -3038,10 +3045,7 @@
 /* Output an absolute table element.  */
 
 #define ASM_OUTPUT_ADDR_VEC_ELT(STREAM,VALUE)  				\
-  if (TARGET_BIGTABLE) 							\
-    asm_fprintf ((STREAM), "\t.long\t%LL%d\n", (VALUE)); 			\
-  else									\
-    asm_fprintf ((STREAM), "\t.word\t%LL%d\n", (VALUE)); 			\
+    asm_fprintf ((STREAM), "\t.long\t%LL%d\n", (VALUE))
 
 /* Output various types of constants.  */
 
@@ -3167,8 +3171,6 @@
 #define sh_cpu_attr ((enum attr_cpu)sh_cpu)
 extern enum processor_type sh_cpu;
 
-extern int optimize; /* needed for gen_casesi.  */
-
 enum mdep_reorg_phase_e
 {
   SH_BEFORE_MDEP_REORG,
diff -ruN gcc-20030210.orig/gcc/config/sh/sh.md gcc-20030210/gcc/config/sh/sh.md
--- gcc-20030210.orig/gcc/config/sh/sh.md	Sat Nov 23 04:58:06 2002
+++ gcc-20030210/gcc/config/sh/sh.md	Sat Feb 22 01:40:14 2003
@@ -1242,7 +1242,7 @@
    (clobber (reg:SI PR_REG))
    (clobber (reg:SI R4_REG))
    (use (match_operand:SI 1 "arith_reg_operand" "r"))]
-  "TARGET_SH1 && ! TARGET_SH4"
+  "TARGET_SH1 && ! TARGET_SH4 || TARGET_NO_IMPLICIT_FP"
   "jsr	@%1%#"
   [(set_attr "type" "sfunc")
    (set_attr "needs_delay_slot" "yes")])
@@ -1336,7 +1336,7 @@
 
   operands[3] = gen_reg_rtx (Pmode);
   /* Emit the move of the address to a pseudo outside of the libcall.  */
-  if (TARGET_HARD_SH4 && TARGET_SH3E)
+  if (TARGET_HARD_SH4 && TARGET_SH3E && !TARGET_NO_IMPLICIT_FP)
     {
       emit_move_insn (operands[3],
 		      gen_rtx_SYMBOL_REF (SImode, \"__udivsi3_i4\"));
@@ -1391,7 +1391,7 @@
    (clobber (reg:SI R2_REG))
    (clobber (reg:SI R3_REG))
    (use (match_operand:SI 1 "arith_reg_operand" "r"))]
-  "TARGET_SH1 && ! TARGET_SH4"
+  "TARGET_SH1 && ! TARGET_SH4 || TARGET_NO_IMPLICIT_FP"
   "jsr	@%1%#"
   [(set_attr "type" "sfunc")
    (set_attr "needs_delay_slot" "yes")])
@@ -1476,7 +1476,7 @@
 
   operands[3] = gen_reg_rtx (Pmode);
   /* Emit the move of the address to a pseudo outside of the libcall.  */
-  if (TARGET_HARD_SH4 && TARGET_SH3E)
+  if (TARGET_HARD_SH4 && TARGET_SH3E && !TARGET_NO_IMPLICIT_FP)
     {
       emit_move_insn (operands[3],
 		      gen_rtx_SYMBOL_REF (SImode, \"__sdivsi3_i4\"));
@@ -6446,6 +6446,8 @@
     case SImode:
       return \"shll2	%1\;mov.l	@(r0,%1),%0\";
     case HImode:
+      if (ADDR_DIFF_VEC_FLAGS (diff_vec).offset_unsigned)
+	return \"add	%1,%1\;mov.w	@(r0,%1),%0\;extu.w	%0,%0\";
       return \"add	%1,%1\;mov.w	@(r0,%1),%0\";
     case QImode:
       if (ADDR_DIFF_VEC_FLAGS (diff_vec).offset_unsigned)
@@ -6455,7 +6457,15 @@
       abort ();
     }
 }"
-  [(set_attr "length" "4")])
+  [(set (attr "length")
+	(cond [(eq (symbol_ref "shl_casesi_worker_length (insn)") (const_int 1))
+	       (const_string "2")
+	       (eq (symbol_ref "shl_casesi_worker_length (insn)") (const_int 2))
+	       (const_string "4")
+	       ;; Put "match_dup" here so that insn_variable_length_p return 1.
+	       (ne (match_dup 2) (match_dup 2))
+	       (const_string "4")]
+	      (const_string "6")))])
 
 (define_insn "casesi_shift_media"
   [(set (match_operand 0 "arith_reg_operand" "=r")
diff -ruN gcc-20030210.orig/gcc/config/sh/sh3-linux.h gcc-20030210/gcc/config/sh/sh3-linux.h
--- gcc-20030210.orig/gcc/config/sh/sh3-linux.h	Thu Jan  1 09:00:00 1970
+++ gcc-20030210/gcc/config/sh/sh3-linux.h	Sat Feb 22 01:40:14 2003
@@ -0,0 +1,29 @@
+#undef TARGET_VERSION
+#define TARGET_VERSION  fputs (" (SH3 GNU/Linux with ELF)", stderr);
+
+#undef CPP_SPEC
+#define CPP_SPEC \
+  "-D__LITTLE_ENDIAN__ \
+   -D__SH3__ -D__sh3__ \
+   -D__SIZE_TYPE__=unsigned\\ int \
+   -D__PTRDIFF_TYPE__=int \
+   %{fPIC:-D__PIC__ -D__pic__} \
+   %{fpic:-D__PIC__ -D__pic__} \
+   %{posix:-D_POSIX_SOURCE} \
+   %{pthread:-D_REENTRANT -D_PTHREADS}"
+
+#undef ASM_SPEC
+#define ASM_SPEC  "%{mrelax:-relax}"
+
+#undef CC1_SPEC
+#define CC1_SPEC \
+  "-musermode -ml -m3 %{profile:-p}"
+
+#undef LINK_SPEC
+#define LINK_SPEC \
+  "%{mrelax:-relax} \
+   %{shared:-shared} \
+   %{!static: \
+     %{rdynamic:-export-dynamic} \
+     %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
+    %{static:-static}"
diff -ruN gcc-20030210.orig/gcc/config/sh/sh3eb-linux.h gcc-20030210/gcc/config/sh/sh3eb-linux.h
--- gcc-20030210.orig/gcc/config/sh/sh3eb-linux.h	Thu Jan  1 09:00:00 1970
+++ gcc-20030210/gcc/config/sh/sh3eb-linux.h	Sat Feb 22 01:40:14 2003
@@ -0,0 +1,29 @@
+#undef TARGET_VERSION
+#define TARGET_VERSION  fputs (" (SH3EB GNU/Linux with ELF)", stderr);
+
+#undef CPP_SPEC
+#define CPP_SPEC \
+  "-D__BIG_ENDIAN__ \
+   -D__SH3__ -D__sh3__ \
+   -D__SIZE_TYPE__=unsigned\\ int \
+   -D__PTRDIFF_TYPE__=int \
+   %{fPIC:-D__PIC__ -D__pic__} \
+   %{fpic:-D__PIC__ -D__pic__} \
+   %{posix:-D_POSIX_SOURCE} \
+   %{pthread:-D_REENTRANT -D_PTHREADS}"
+
+#undef ASM_SPEC
+#define ASM_SPEC  "%{mrelax:-relax}"
+
+#undef CC1_SPEC
+#define CC1_SPEC \
+  "-musermode -mb -m3 %{profile:-p}"
+
+#undef LINK_SPEC
+#define LINK_SPEC \
+  "%{mrelax:-relax} \
+   %{shared:-shared} \
+   %{!static: \
+     %{rdynamic:-export-dynamic} \
+     %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
+    %{static:-static}"
diff -ruN gcc-20030210.orig/gcc/config/sh/sh4-linux.h gcc-20030210/gcc/config/sh/sh4-linux.h
--- gcc-20030210.orig/gcc/config/sh/sh4-linux.h	Thu Jan  1 09:00:00 1970
+++ gcc-20030210/gcc/config/sh/sh4-linux.h	Sat Feb 22 01:40:14 2003
@@ -0,0 +1,29 @@
+#undef TARGET_VERSION
+#define TARGET_VERSION  fputs (" (SH4 GNU/Linux with ELF)", stderr);
+
+#undef CPP_SPEC
+#define CPP_SPEC \
+  "-D__LITTLE_ENDIAN__ \
+   -D__SH4__ \
+   -D__SIZE_TYPE__=unsigned\\ int \
+   -D__PTRDIFF_TYPE__=int \
+   %{fPIC:-D__PIC__ -D__pic__} \
+   %{fpic:-D__PIC__ -D__pic__} \
+   %{posix:-D_POSIX_SOURCE} \
+   %{pthread:-D_REENTRANT -D_PTHREADS}"
+
+#undef ASM_SPEC
+#define ASM_SPEC  "%{mrelax:-relax}"
+