bfd:

Reinstate bits of sh4 support that got accidentally deleted.
Add sh-dsp support.

bfd:

	* archures.c (bfd_mach_sh2, bfd_mach_sh_dsp): New macros.
	(bfd_mach_sh3_dsp): Likewise.
	(bfd_mach_sh4): Reinstate.
	(bfd_default_scan): Recognize 7410, 7708, 7729 and 7750.
	* bfd-in2.h: Regenerate.
	* coff-sh.c (struct sh_opcode): flags is no longer short.
	(USESAS, USESAS_REG, USESR8, SETSAS, SETSAS_REG): New macros.
	(sh_opcode41, sh_opcode42): Integrate as sh_opcode41.
	(sh_opcode01, sh_opcode02, sh_opcode40): Add sh-dsp opcodes.
	(sh_opcode41, sh_opcode4, sh_opcode80): Likewise.
	(sh_opcodes): No longer const.
	(sh_dsp_opcodef0, sh_dsp_opcodef): New arrays.
	(sh_insn_uses_reg): Check for USESAS and USESR8.
	(sh_insn_sets_reg, sh_insns_conflict): Check for SETSAS.
	(_bfd_sh_align_load_span): Return early for SH4.
	Modify sh_opcodes lookup table for sh-dsp / sh3-dsp.
	Take into account that field b of a parallel processing insn
	could be mistaken for a separate insn.
	* cpu-sh.c (arch_info_struct): New array elements for
	sh2, sh-dsp and sh3-dsp.
	Reinstate element for sh4.
	(SH2_NEXT, SH_DSP_NEXT, SH3_DSP_NEXT): New macros.
	(SH4_NEXT): Reinstate.
	(SH3_NEXT, SH3E_NEXT): Adjust.
	* elf-bfd.h (_sh_elf_set_mach_from_flags): Declare.
	* elf32-sh.c (sh_elf_set_private_flags): New function.
	(sh_elf_copy_private_data, sh_elf_set_mach_from_flags): Likewise.
	(sh_elf_merge_private_data): New function.
	(elf_backend_object_p, bfd_elf32_bfd_set_private_bfd_flags): Define.
	(bfd_elf32_bfd_copy_private_bfd_data): Define.
	(bfd_elf32_bfd_merge_private_bfd_data): Change to
	sh_elf_merge_private_data.

gas:

	* config/tc-sh.c ("elf/sh.h"): Include.
	(sh_dsp, valid_arch, reg_x, reg_y, reg_efg): New static variables.
	(md.begin): Initialize target_arch.
	Only include opcodes in has table that match selected architecture.
	(parse_reg): Recognize register names for sh-dsp.
	(parse_at): Recognize post-modify addressing.
	(get_operands): The leading space is now optional.
	(get_specific): Remove FDREG_N support.  Add support for sh-dsp
	arguments.  Update valid_arch.
	(build_Mytes): Add support for SDT_REG_N.
	(find_cooked_opcode): New function, broken out of md_assemble.
	(assemble_ppi, sh_elf_final_processing): New functions.
	(md_assemble): Use find_cooked_opcode and assemble_ppi.
	(md_longopts, md_parse_option): New option: -dsp.
	* config/tc-sh.h (elf_tc_final_processing): Define.
	(sh_elf_final_processing): Declare.

include/elf:

	* sh.h: (EF_SH_MACH_MASK, EF_SH_UNKNOWN, EF_SH1, EF_SH2): New macros.
	(EF_SH3, EF_SH_HAS_DSP, EF_SH_DSP, EF_SH3_DSP): Likewise.
	(EF_SH_HAS_FP, EF_SH3E, EF_SH4, EF_SH_MERGE_MACH): Likewise.

opcodes:

	* sh-dis.c (print_movxy, print_insn_ddt, print_dsp_reg): New functions.
	(print_insn_ppi): Likewise.
	(print_insn_shx): Use info->mach to select appropriate insn set.
	Add support for sh-dsp.  Remove FD_REG_N support.
	* sh-opc.h (sh_nibble_type): Add new values for sh-dsp support.
	(sh_arg_type): Likewise.  Remove FD_REG_N.
	(sh_dsp_reg_nums): New enum.
	(arch_sh1, arch_sh2, arch_sh3, arch_sh3e, arch_sh4): New macros.
	(arch_sh_dsp, arch_sh3_dsp, arch_sh1_up, arch_sh2_up): Likewise.
	(arch_sh3_up, arch_sh3e_up, arch_sh4_up, arch_sh_dsp_up): Likewise.
	(arch_sh3_dsp_up): Likewise.
	(sh_opcode_info): New field: arch.
	(sh_table): Split up insn with FD_REG_N into ones with F_REG_N and
	D_REG_N.  Fill in arch field.  Add sh-dsp insns.

7 files changed, 414 insertions, 45 deletions

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index c3425db..7cd1a34 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,38 @@
+Thu Feb 17 00:04:48 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* archures.c (bfd_mach_sh2, bfd_mach_sh_dsp): New macros.
+	(bfd_mach_sh3_dsp): Likewise.
+	(bfd_mach_sh4): Reinstate.
+	(bfd_default_scan): Recognize 7410, 7708, 7729 and 7750.
+	* bfd-in2.h: Regenerate.
+	* coff-sh.c (struct sh_opcode): flags is no longer short.
+	(USESAS, USESAS_REG, USESR8, SETSAS, SETSAS_REG): New macros.
+	(sh_opcode41, sh_opcode42): Integrate as sh_opcode41.
+	(sh_opcode01, sh_opcode02, sh_opcode40): Add sh-dsp opcodes.
+	(sh_opcode41, sh_opcode4, sh_opcode80): Likewise.
+	(sh_opcodes): No longer const.
+	(sh_dsp_opcodef0, sh_dsp_opcodef): New arrays.
+	(sh_insn_uses_reg): Check for USESAS and USESR8.
+	(sh_insn_sets_reg, sh_insns_conflict): Check for SETSAS.
+	(_bfd_sh_align_load_span): Return early for SH4.
+	Modify sh_opcodes lookup table for sh-dsp / sh3-dsp.
+	Take into account that field b of a parallel processing insn
+	could be mistaken for a separate insn.
+	* cpu-sh.c (arch_info_struct): New array elements for
+	sh2, sh-dsp and sh3-dsp.
+	Reinstate element for sh4.
+	(SH2_NEXT, SH_DSP_NEXT, SH3_DSP_NEXT): New macros.
+	(SH4_NEXT): Reinstate.
+	(SH3_NEXT, SH3E_NEXT): Adjust.
+	* elf-bfd.h (_sh_elf_set_mach_from_flags): Declare.
+	* elf32-sh.c (sh_elf_set_private_flags): New function.
+	(sh_elf_copy_private_data, sh_elf_set_mach_from_flags): Likewise.
+	(sh_elf_merge_private_data): New function.
+	(elf_backend_object_p, bfd_elf32_bfd_set_private_bfd_flags): Define.
+	(bfd_elf32_bfd_copy_private_bfd_data): Define.
+	(bfd_elf32_bfd_merge_private_bfd_data): Change to
+	sh_elf_merge_private_data.
+
 2000-02-13  Richard Henderson  <rth@cygnus.com>
 
 	* elf-bfd.h (struct elf_link_hash_table): Add copy_indirect and
diff --git a/bfd/archures.c b/bfd/archures.c
index 95d5d39..3c7dc13 100644
--- a/bfd/archures.c
+++ b/bfd/archures.c
@@ -1,5 +1,6 @@
 /* BFD library support routines for architectures.
-   Copyright (C) 1990, 91-98, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999, 2000
+   Free Software Foundation, Inc.
    Hacked by John Gilmore and Steve Chamberlain of Cygnus Support.
 
 This file is part of BFD, the Binary File Descriptor library.
@@ -157,8 +158,12 @@ DESCRIPTION
 .  bfd_arch_h8500,     {* Hitachi H8/500 *}
 .  bfd_arch_sh,        {* Hitachi SH *}
 .#define bfd_mach_sh            0
+.#define bfd_mach_sh2        0x20
+.#define bfd_mach_sh_dsp     0x2d
 .#define bfd_mach_sh3        0x30
+.#define bfd_mach_sh3_dsp    0x3d
 .#define bfd_mach_sh3e       0x3e
+.#define bfd_mach_sh4        0x40
 .  bfd_arch_alpha,     {* Dec Alpha *}
 .#define bfd_mach_alpha_ev4  0x10
 .#define bfd_mach_alpha_ev5  0x20
@@ -805,6 +810,26 @@ bfd_default_scan (info, string)
       arch = bfd_arch_rs6000;
       break;
 
+    case 7410:
+      arch = bfd_arch_sh;
+      number = bfd_mach_sh_dsp;
+      break;
+
+    case 7708:
+      arch = bfd_arch_sh;
+      number = bfd_mach_sh3;
+      break;
+
+    case 7729:
+      arch = bfd_arch_sh;
+      number = bfd_mach_sh3_dsp;
+      break;
+
+    case 7750:
+      arch = bfd_arch_sh;
+      number = bfd_mach_sh4;
+      break;
+
     default:  
       return false;
     }
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index 7ec5d70..d7b52db 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -1362,8 +1362,12 @@ enum bfd_architecture
   bfd_arch_h8500,      /* Hitachi H8/500 */
   bfd_arch_sh,         /* Hitachi SH */
 #define bfd_mach_sh            0
+#define bfd_mach_sh2        0x20
+#define bfd_mach_sh_dsp     0x2d
 #define bfd_mach_sh3        0x30
+#define bfd_mach_sh3_dsp    0x3d
 #define bfd_mach_sh3e       0x3e
+#define bfd_mach_sh4        0x40
   bfd_arch_alpha,      /* Dec Alpha */
 #define bfd_mach_alpha_ev4  0x10
 #define bfd_mach_alpha_ev5  0x20
diff --git a/bfd/coff-sh.c b/bfd/coff-sh.c
index 7a3af1a..e505a1a 100644
--- a/bfd/coff-sh.c
+++ b/bfd/coff-sh.c
@@ -1364,7 +1364,7 @@ struct sh_opcode
      mask value in the sh_major_opcode structure.  */
   unsigned short opcode;
   /* Flags for this instruction.  */
-  unsigned short flags;
+  unsigned flags;
 };
 
 /* Flag which appear in the sh_opcode structure.  */
@@ -1431,6 +1431,12 @@ struct sh_opcode
 #define SETSF1 (0x8000)
 #define SETSF1_REG(x) ((x & 0x0f00) >> 8)
 
+#define USESAS (0x10000)
+#define USESAS_REG(x) (((((x) >> 8) - 2) & 3) + 2)
+#define USESR8 (0x20000)
+#define SETSAS (0x40000)
+#define SETSAS_REG(x) USESAS_REG (x)
+
 static boolean sh_insn_uses_reg
   PARAMS ((unsigned int, const struct sh_opcode *, unsigned int));
 static boolean sh_insn_sets_reg
@@ -1471,21 +1477,33 @@ static const struct sh_opcode sh_opcode00[] =
 
 static const struct sh_opcode sh_opcode01[] =
 {
-  { 0x0002, SETS1 | USESSP },			/* stc sr,rn */
   { 0x0003, BRANCH | DELAY | USES1 | SETSSP },	/* bsrf rn */
   { 0x000a, SETS1 | USESSP },			/* sts mach,rn */
-  { 0x0012, SETS1 | USESSP },			/* stc gbr,rn */
   { 0x001a, SETS1 | USESSP },			/* sts macl,rn */
-  { 0x0022, SETS1 | USESSP },			/* stc vbr,rn */
   { 0x0023, BRANCH | DELAY | USES1 },		/* braf rn */
   { 0x0029, SETS1 | USESSP },			/* movt rn */
   { 0x002a, SETS1 | USESSP },			/* sts pr,rn */
+  { 0x005a, SETS1 | USESSP },			/* sts fpul,rn */
+  { 0x006a, SETS1 | USESSP },			/* sts fpscr,rn / sts dsr,rn */
+  { 0x0083, LOAD | USES1 },			/* pref @rn */
+  { 0x007a, SETS1 | USESSP },			/* sts a0,rn */
+  { 0x008a, SETS1 | USESSP },			/* sts x0,rn */
+  { 0x009a, SETS1 | USESSP },			/* sts x1,rn */
+  { 0x00aa, SETS1 | USESSP },			/* sts y0,rn */
+  { 0x00ba, SETS1 | USESSP }			/* sts y1,rn */
+};
+
+/* These sixteen instructions can be handled with one table entry below.  */
+#if 0
+  { 0x0002, SETS1 | USESSP },			/* stc sr,rn */
+  { 0x0012, SETS1 | USESSP },			/* stc gbr,rn */
+  { 0x0022, SETS1 | USESSP },			/* stc vbr,rn */
   { 0x0032, SETS1 | USESSP },			/* stc ssr,rn */
   { 0x0042, SETS1 | USESSP },			/* stc spc,rn */
-  { 0x005a, SETS1 | USESSP },			/* sts fpul,rn */
-  { 0x006a, SETS1 | USESSP },			/* sts fpscr,rn */
+  { 0x0052, SETS1 | USESSP },			/* stc mod,rn */
+  { 0x0062, SETS1 | USESSP },			/* stc rs,rn */
+  { 0x0072, SETS1 | USESSP },			/* stc re,rn */
   { 0x0082, SETS1 | USESSP },			/* stc r0_bank,rn */
-  { 0x0083, LOAD | USES1 },			/* pref @rn */
   { 0x0092, SETS1 | USESSP },			/* stc r1_bank,rn */
   { 0x00a2, SETS1 | USESSP },			/* stc r2_bank,rn */
   { 0x00b2, SETS1 | USESSP },			/* stc r3_bank,rn */
@@ -1493,10 +1511,11 @@ static const struct sh_opcode sh_opcode01[] =
   { 0x00d2, SETS1 | USESSP },			/* stc r5_bank,rn */
   { 0x00e2, SETS1 | USESSP },			/* stc r6_bank,rn */
   { 0x00f2, SETS1 | USESSP }			/* stc r7_bank,rn */
-};
+#endif
 
 static const struct sh_opcode sh_opcode02[] =
 {
+  { 0x0002, SETS1 | USESSP },			/* stc <special_reg>,rn */
   { 0x0004, STORE | USES1 | USES2 | USESR0 },	/* mov.b rm,@(r0,rn) */
   { 0x0005, STORE | USES1 | USES2 | USESR0 },	/* mov.w rm,@(r0,rn) */
   { 0x0006, STORE | USES1 | USES2 | USESR0 },	/* mov.l rm,@(r0,rn) */
@@ -1576,74 +1595,108 @@ static const struct sh_opcode sh_opcode40[] =
   { 0x4000, SETS1 | SETSSP | USES1 },		/* shll rn */
   { 0x4001, SETS1 | SETSSP | USES1 },		/* shlr rn */
   { 0x4002, STORE | SETS1 | USES1 | USESSP },	/* sts.l mach,@-rn */
-  { 0x4003, STORE | SETS1 | USES1 | USESSP },	/* stc.l sr,@-rn */
   { 0x4004, SETS1 | SETSSP | USES1 },		/* rotl rn */
   { 0x4005, SETS1 | SETSSP | USES1 },		/* rotr rn */
   { 0x4006, LOAD | SETS1 | SETSSP | USES1 },	/* lds.l @rm+,mach */
-  { 0x4007, LOAD | SETS1 | SETSSP | USES1 },	/* ldc.l @rm+,sr */
   { 0x4008, SETS1 | USES1 },			/* shll2 rn */
   { 0x4009, SETS1 | USES1 },			/* shlr2 rn */
   { 0x400a, SETSSP | USES1 },			/* lds rm,mach */
   { 0x400b, BRANCH | DELAY | USES1 },		/* jsr @rn */
-  { 0x400e, SETSSP | USES1 },			/* ldc rm,sr */
   { 0x4010, SETS1 | SETSSP | USES1 },		/* dt rn */
   { 0x4011, SETSSP | USES1 },			/* cmp/pz rn */
   { 0x4012, STORE | SETS1 | USES1 | USESSP },	/* sts.l macl,@-rn */
-  { 0x4013, STORE | SETS1 | USES1 | USESSP },	/* stc.l gbr,@-rn */
+  { 0x4014, SETSSP | USES1 },			/* setrc rm */
   { 0x4015, SETSSP | USES1 },			/* cmp/pl rn */
   { 0x4016, LOAD | SETS1 | SETSSP | USES1 },	/* lds.l @rm+,macl */
-  { 0x4017, LOAD | SETS1 | SETSSP | USES1 },	/* ldc.l @rm+,gbr */
   { 0x4018, SETS1 | USES1 },			/* shll8 rn */
   { 0x4019, SETS1 | USES1 },			/* shlr8 rn */
   { 0x401a, SETSSP | USES1 },			/* lds rm,macl */
   { 0x401b, LOAD | SETSSP | USES1 },		/* tas.b @rn */
-  { 0x401e, SETSSP | USES1 },			/* ldc rm,gbr */
   { 0x4020, SETS1 | SETSSP | USES1 },		/* shal rn */
   { 0x4021, SETS1 | SETSSP | USES1 },		/* shar rn */
   { 0x4022, STORE | SETS1 | USES1 | USESSP },	/* sts.l pr,@-rn */
-  { 0x4023, STORE | SETS1 | USES1 | USESSP },	/* stc.l vbr,@-rn */
   { 0x4024, SETS1 | SETSSP | USES1 | USESSP },	/* rotcl rn */
   { 0x4025, SETS1 | SETSSP | USES1 | USESSP },	/* rotcr rn */
   { 0x4026, LOAD | SETS1 | SETSSP | USES1 },	/* lds.l @rm+,pr */
-  { 0x4027, LOAD | SETS1 | SETSSP | USES1 },	/* ldc.l @rm+,vbr */
   { 0x4028, SETS1 | USES1 },			/* shll16 rn */
   { 0x4029, SETS1 | USES1 },			/* shlr16 rn */
   { 0x402a, SETSSP | USES1 },			/* lds rm,pr */
   { 0x402b, BRANCH | DELAY | USES1 },		/* jmp @rn */
-  { 0x402e, SETSSP | USES1 },			/* ldc rm,vbr */
+  { 0x4052, STORE | SETS1 | USES1 | USESSP },	/* sts.l fpul,@-rn */
+  { 0x4056, LOAD | SETS1 | SETSSP | USES1 },	/* lds.l @rm+,fpul */
+  { 0x405a, SETSSP | USES1 },			/* lds.l rm,fpul */
+  { 0x4062, STORE | SETS1 | USES1 | USESSP },	/* sts.l fpscr / dsr,@-rn */
+  { 0x4066, LOAD | SETS1 | SETSSP | USES1 },	/* lds.l @rm+,fpscr / dsr */
+  { 0x406a, SETSSP | USES1 },			/* lds rm,fpscr / lds rm,dsr */
+  { 0x4072, STORE | SETS1 | USES1 | USESSP },	/* sts.l a0,@-rn */
+  { 0x4076, LOAD | SETS1 | SETSSP | USES1 },	/* lds.l @rm+,a0 */
+  { 0x407a, SETSSP | USES1 },			/* lds.l rm,a0 */
+  { 0x4082, STORE | SETS1 | USES1 | USESSP },	/* sts.l x0,@-rn */
+  { 0x4086, LOAD | SETS1 | SETSSP | USES1 },	/* lds.l @rm+,x0 */
+  { 0x408a, SETSSP | USES1 },			/* lds.l rm,x0 */
+  { 0x4092, STORE | SETS1 | USES1 | USESSP },	/* sts.l x1,@-rn */
+  { 0x4096, LOAD | SETS1 | SETSSP | USES1 },	/* lds.l @rm+,x1 */
+  { 0x409a, SETSSP | USES1 },			/* lds.l rm,x1 */
+  { 0x40a2, STORE | SETS1 | USES1 | USESSP },	/* sts.l y0,@-rn */
+  { 0x40a6, LOAD | SETS1 | SETSSP | USES1 },	/* lds.l @rm+,y0 */
+  { 0x40aa, SETSSP | USES1 },			/* lds.l rm,y0 */
+  { 0x40b2, STORE | SETS1 | USES1 | USESSP },	/* sts.l y1,@-rn */
+  { 0x40b6, LOAD | SETS1 | SETSSP | USES1 },	/* lds.l @rm+,y1 */
+  { 0x40ba, SETSSP | USES1 }			/* lds.l rm,y1 */
+#if 0 /* These groups sixteen insns can be
+         handled with one table entry each below.  */
+  { 0x4003, STORE | SETS1 | USES1 | USESSP },	/* stc.l sr,@-rn */
+  { 0x4013, STORE | SETS1 | USES1 | USESSP },	/* stc.l gbr,@-rn */
+  { 0x4023, STORE | SETS1 | USES1 | USESSP },	/* stc.l vbr,@-rn */
   { 0x4033, STORE | SETS1 | USES1 | USESSP },	/* stc.l ssr,@-rn */
-  { 0x4037, LOAD | SETS1 | SETSSP | USES1 },	/* ldc.l @rm+,ssr */
-  { 0x403e, SETSSP | USES1 },			/* ldc rm,ssr */
   { 0x4043, STORE | SETS1 | USES1 | USESSP },	/* stc.l spc,@-rn */
+  { 0x4053, STORE | SETS1 | USES1 | USESSP },	/* stc.l mod,@-rn */
+  { 0x4063, STORE | SETS1 | USES1 | USESSP },	/* stc.l rs,@-rn */
+  { 0x4073, STORE | SETS1 | USES1 | USESSP },	/* stc.l re,@-rn */
+  { 0x4083, STORE | SETS1 | USES1 | USESSP },	/* stc.l r0_bank,@-rn */
+  ..
+  { 0x40f3, STORE | SETS1 | USES1 | USESSP },	/* stc.l r7_bank,@-rn */
+
+  { 0x4007, LOAD | SETS1 | SETSSP | USES1 },	/* ldc.l @rm+,sr */
+  { 0x4017, LOAD | SETS1 | SETSSP | USES1 },	/* ldc.l @rm+,gbr */
+  { 0x4027, LOAD | SETS1 | SETSSP | USES1 },	/* ldc.l @rm+,vbr */
+  { 0x4037, LOAD | SETS1 | SETSSP | USES1 },	/* ldc.l @rm+,ssr */
   { 0x4047, LOAD | SETS1 | SETSSP | USES1 },	/* ldc.l @rm+,spc */
+  { 0x4057, LOAD | SETS1 | SETSSP | USES1 },	/* ldc.l @rm+,mod */
+  { 0x4067, LOAD | SETS1 | SETSSP | USES1 },	/* ldc.l @rm+,rs */
+  { 0x4077, LOAD | SETS1 | SETSSP | USES1 },	/* ldc.l @rm+,re */
+  { 0x4087, LOAD | SETS1 | SETSSP | USES1 },	/* ldc.l @rm+,r0_bank */
+  ..
+  { 0x40f7, LOAD | SETS1 | SETSSP | USES1 },	/* ldc.l @rm+,r7_bank */
+
+  { 0x400e, SETSSP | USES1 },			/* ldc rm,sr */
+  { 0x401e, SETSSP | USES1 },			/* ldc rm,gbr */
+  { 0x402e, SETSSP | USES1 },			/* ldc rm,vbr */
+  { 0x403e, SETSSP | USES1 },			/* ldc rm,ssr */
   { 0x404e, SETSSP | USES1 },			/* ldc rm,spc */
-  { 0x4052, STORE | SETS1 | USES1 | USESSP },	/* sts.l fpul,@-rn */
-  { 0x4056, LOAD | SETS1 | SETSSP | USES1 },	/* lds.l @rm+,fpul */
-  { 0x405a, SETSSP | USES1 },			/* lds.l rm,fpul */
-  { 0x4062, STORE | SETS1 | USES1 | USESSP },	/* sts.l fpscr,@-rn */
-  { 0x4066, LOAD | SETS1 | SETSSP | USES1 },	/* lds.l @rm+,fpscr */
-  { 0x406a, SETSSP | USES1 }			/* lds rm,fpscr */
+  { 0x405e, SETSSP | USES1 },			/* ldc rm,mod */
+  { 0x406e, SETSSP | USES1 },			/* ldc rm,rs */
+  { 0x407e, SETSSP | USES1 }			/* ldc rm,re */
+  { 0x408e, SETSSP | USES1 }			/* ldc rm,r0_bank */
+  ..
+  { 0x40fe, SETSSP | USES1 }			/* ldc rm,r7_bank */
+#endif
 };
 
 static const struct sh_opcode sh_opcode41[] =
 {
-  { 0x4083, STORE | SETS1 | USES1 | USESSP },	/* stc.l rx_bank,@-rn */
-  { 0x4087, LOAD | SETS1 | SETSSP | USES1 },	/* ldc.l @rm+,rx_bank */
-  { 0x408e, SETSSP | USES1 }			/* ldc rm,rx_bank */
-};
-
-static const struct sh_opcode sh_opcode42[] =
-{
-  { 0x400c, SETS1 | USES1 | USES2 },			/* shad rm,rn */
-  { 0x400d, SETS1 | USES1 | USES2 },			/* shld rm,rn */
+  { 0x4003, STORE | SETS1 | USES1 | USESSP },	/* stc.l <special_reg>,@-rn */
+  { 0x4007, LOAD | SETS1 | SETSSP | USES1 },	/* ldc.l @rm+,<special_reg> */
+  { 0x400c, SETS1 | USES1 | USES2 },		/* shad rm,rn */
+  { 0x400d, SETS1 | USES1 | USES2 },		/* shld rm,rn */
+  { 0x400e, SETSSP | USES1 },			/* ldc rm,<special_reg> */
   { 0x400f, LOAD|SETS1|SETS2|SETSSP|USES1|USES2|USESSP }, /* mac.w @rm+,@rn+ */
 };
 
 static const struct sh_minor_opcode sh_opcode4[] =
 {
   { MAP (sh_opcode40), 0xf0ff },
-  { MAP (sh_opcode41), 0xf08f },
-  { MAP (sh_opcode42), 0xf00f }
+  { MAP (sh_opcode41), 0xf00f }
 };
 
 static const struct sh_opcode sh_opcode50[] =
@@ -1695,12 +1748,15 @@ static const struct sh_opcode sh_opcode80[] =
 {
   { 0x8000, STORE | USES2 | USESR0 },	/* mov.b r0,@(disp,rn) */
   { 0x8100, STORE | USES2 | USESR0 },	/* mov.w r0,@(disp,rn) */
+  { 0x8200, SETSSP },			/* setrc #imm */
   { 0x8400, LOAD | SETSR0 | USES2 },	/* mov.b @(disp,rm),r0 */
   { 0x8500, LOAD | SETSR0 | USES2 },	/* mov.w @(disp,rn),r0 */
   { 0x8800, SETSSP | USESR0 },		/* cmp/eq #imm,r0 */
   { 0x8900, BRANCH | USESSP },		/* bt label */
   { 0x8b00, BRANCH | USESSP },		/* bf label */
+  { 0x8c00, SETSSP },			/* ldrs @(disp,pc) */
   { 0x8d00, BRANCH | DELAY | USESSP },	/* bt/s label */
+  { 0x8e00, SETSSP },			/* ldre @(disp,pc) */
   { 0x8f00, BRANCH | DELAY | USESSP }	/* bf/s label */
 };
 
@@ -1822,7 +1878,7 @@ static const struct sh_minor_opcode sh_opcodef[] =
   { MAP (sh_opcodef1), 0xf0ff }
 };
 
-static const struct sh_major_opcode sh_opcodes[] =
+static struct sh_major_opcode sh_opcodes[] =
 {
   { MAP (sh_opcode0) },
   { MAP (sh_opcode1) },
@@ -1842,6 +1898,26 @@ static const struct sh_major_opcode sh_opcodes[] =
   { MAP (sh_opcodef) }
 };
 
+/* The double data transfer / parallel processing insns are not
+   described here.  This will cause sh_align_load_span to leave them alone.  */
+
+static const struct sh_opcode sh_dsp_opcodef0[] =
+{
+  { 0xf400, USESAS | SETSAS | LOAD | SETSSP },	/* movs.x @-as,ds */
+  { 0xf401, USESAS | SETSAS | STORE | USESSP },	/* movs.x ds,@-as */
+  { 0xf404, USESAS | LOAD | SETSSP },		/* movs.x @as,ds */
+  { 0xf405, USESAS | STORE | USESSP },		/* movs.x ds,@as */
+  { 0xf408, USESAS | SETSAS | LOAD | SETSSP },	/* movs.x @as+,ds */
+  { 0xf409, USESAS | SETSAS | STORE | USESSP },	/* movs.x ds,@as+ */
+  { 0xf40c, USESAS | SETSAS | LOAD | SETSSP | USESR8 },	/* movs.x @as+r8,ds */
+  { 0xf40d, USESAS | SETSAS | STORE | USESSP | USESR8 }	/* movs.x ds,@as+r8 */
+};
+
+static const struct sh_minor_opcode sh_dsp_opcodef[] =
+{
+  { MAP (sh_dsp_opcodef0), 0xfc0d }
+};
+
 /* Given an instruction, return a pointer to the corresponding
    sh_opcode structure.  Return NULL if the instruction is not
    recognized.  */
@@ -1910,6 +1986,10 @@ sh_insn_uses_reg (insn, op, reg)
   if ((f & USESR0) != 0
       && reg == 0)
     return true;
+  if ((f & USESAS) && reg == USESAS_REG (insn))
+    return true;
+  if ((f & USESR8) && reg == 8)
+    return true;
 
   return false;
 }
@@ -1934,6 +2014,8 @@ sh_insn_sets_reg (insn, op, reg)
   if ((f & SETSR0) != 0
       && reg == 0)
     return true;
+  if ((f & SETSAS) && reg == SETSAS_REG (insn))
+    return true;
 
   return false;
 }
@@ -2055,6 +2137,9 @@ sh_insns_conflict (i1, op1, i2, op2)
   if ((f1 & SETSR0) != 0
       && sh_insn_uses_or_sets_reg (i2, op2, 0))
     return true;
+  if ((f1 & SETSAS)
+      && sh_insn_uses_or_sets_reg (i2, op2, SETSAS_REG (i1)))
+    return true;
   if ((f1 & SETSF1) != 0
       && sh_insn_uses_or_sets_freg (i2, op2, SETSF1_REG (i1)))
     return true;
@@ -2068,6 +2153,9 @@ sh_insns_conflict (i1, op1, i2, op2)
   if ((f2 & SETSR0) != 0
       && sh_insn_uses_or_sets_reg (i1, op1, 0))
     return true;
+  if ((f2 & SETSAS)
+      && sh_insn_uses_or_sets_reg (i1, op1, SETSAS_REG (i2)))
+    return true;
   if ((f2 & SETSF1) != 0
       && sh_insn_uses_or_sets_freg (i1, op1, SETSF1_REG (i2)))
     return true;
@@ -2136,8 +2224,24 @@ _bfd_sh_align_load_span (abfd, sec, contents, swap, relocs,
      bfd_vma stop;
      boolean *pswapped;
 {
+  int dsp = (abfd->arch_info->mach == bfd_mach_sh_dsp
+	     || abfd->arch_info->mach == bfd_mach_sh3_dsp);
   bfd_vma i;
 
+  /* The SH4 has a Harvard architecture, hence aligning loads is not
+     desirable.  In fact, it is counter-productive, since it interferes
+     with the schedules generated by the compiler.  */
+  if (abfd->arch_info->mach == bfd_mach_sh4)
+    return true;
+
+  /* If we are linking sh[3]-dsp code, swap the FPU instructions for DSP
+     instructions.  */
+  if (dsp)
+    {
+      sh_opcodes[0xf].minor_opcodes = sh_dsp_opcodef;
+      sh_opcodes[0xf].count = sizeof sh_dsp_opcodef / sizeof sh_dsp_opcodef;
+    }
+
   /* Instructions should be aligned on 2 byte boundaries.  */
   if ((start & 1) == 1)
     ++start;
@@ -2167,7 +2271,28 @@ _bfd_sh_align_load_span (abfd, sec, contents, swap, relocs,
       if (i > start)
 	{
 	  prev_insn = bfd_get_16 (abfd, contents + i - 2);
-	  prev_op = sh_insn_info (prev_insn);
+	  /* If INSN is the field b of a parallel processing insn, it is not
+	     a load / store after all.  Note that the test here might mistake
+	     the field_b of a pcopy insn for the starting code of a parallel
+	     processing insn; this might miss a swapping opportunity, but at
+	     least we're on the safe side.  */
+	  if (dsp && (prev_insn & 0xfc00) == 0xf800)
+	    continue;
+
+	  /* Check if prev_insn is actually the field b of a parallel
+	     processing insn.  Again, this can give a spurious match
+	     after a pcopy.  */
+	  if (dsp && i - 2 > start)
+	    {
+	      unsigned pprev_insn = bfd_get_16 (abfd, contents + i - 4);
+	
+	      if ((pprev_insn & 0xfc00) == 0xf800)
+		prev_op = NULL;
+	      else
+		prev_op = sh_insn_info (prev_insn);
+	    }
+	  else
+	    prev_op = sh_insn_info (prev_insn);
 
 	  /* If the load/store instruction is in a delay slot, we
 	     can't swap.  */
diff --git a/bfd/cpu-sh.c b/bfd/cpu-sh.c
index 44adf92..cb54e7d 100644
--- a/bfd/cpu-sh.c
+++ b/bfd/cpu-sh.c
@@ -1,5 +1,5 @@
 /* BFD library support routines for the Hitachi-SH architecture.
-   Copyright (C) 1993 Free Software Foundation, Inc.
+   Copyright (C) 1993, 97, 1998, 2000 Free Software Foundation, Inc.
    Hacked by Steve Chamberlain of Cygnus Support.
 
 This file is part of BFD, the Binary File Descriptor library.
@@ -50,8 +50,12 @@ compatible (a,b)
 #endif
 
 #define SH_NEXT &arch_info_struct[0]
-#define SH3_NEXT &arch_info_struct[1]
-#define SH3E_NEXT NULL
+#define SH2_NEXT &arch_info_struct[1]
+#define SH_DSP_NEXT &arch_info_struct[2]
+#define SH3_NEXT &arch_info_struct[3]
+#define SH3_DSP_NEXT &arch_info_struct[4]
+#define SH3E_NEXT &arch_info_struct[5]
+#define SH4_NEXT NULL
 
 static const bfd_arch_info_type arch_info_struct[] = 
 {
@@ -60,6 +64,34 @@ static const bfd_arch_info_type arch_info_struct[] =
     32,				/* 32 bits in an address */
     8,				/* 8 bits in a byte */
     bfd_arch_sh,
+    bfd_mach_sh2,
+    "sh",			/* arch_name  */
+    "sh2",			/* printable name */
+    1,
+    false,			/* not the default */
+    bfd_default_compatible,
+    scan_mach,
+    SH2_NEXT
+  },
+  {
+    32,				/* 32 bits in a word */
+    32,				/* 32 bits in an address */
+    8,				/* 8 bits in a byte */
+    bfd_arch_sh,
+    bfd_mach_sh_dsp,
+    "sh",			/* arch_name  */
+    "sh-dsp",			/* printable name */
+    1,
+    false,			/* not the default */
+    bfd_default_compatible,
+    scan_mach,
+    SH_DSP_NEXT
+  },
+  {
+    32,				/* 32 bits in a word */
+    32,				/* 32 bits in an address */
+    8,				/* 8 bits in a byte */
+    bfd_arch_sh,
     bfd_mach_sh3,
     "sh",			/* arch_name  */
     "sh3",			/* printable name */
@@ -74,6 +106,20 @@ static const bfd_arch_info_type arch_info_struct[] =
     32,				/* 32 bits in an address */
     8,				/* 8 bits in a byte */
     bfd_arch_sh,
+    bfd_mach_sh3_dsp,
+    "sh",			/* arch_name  */
+    "sh3-dsp",			/* printable name */
+    1,
+    false,			/* not the default */
+    bfd_default_compatible,
+    scan_mach,
+    SH3_DSP_NEXT
+  },
+  {
+    32,				/* 32 bits in a word */
+    32,				/* 32 bits in an address */
+    8,				/* 8 bits in a byte */
+    bfd_arch_sh,
     bfd_mach_sh3e,
     "sh",			/* arch_name  */
     "sh3e",			/* printable name */
@@ -83,6 +129,20 @@ static const bfd_arch_info_type arch_info_struct[] =
     scan_mach,
     SH3E_NEXT
   },
+  {
+    32,				/* 32 bits in a word */
+    32,				/* 32 bits in an address */
+    8,				/* 8 bits in a byte */
+    bfd_arch_sh,
+    bfd_mach_sh4,
+    "sh",			/* arch_name  */
+    "sh4",			/* printable name */
+    1,
+    false,			/* not the default */
+    bfd_default_compatible,
+    scan_mach,
+    SH4_NEXT
+  },
 };
 
 const bfd_arch_info_type bfd_sh_arch =
diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 6f0624e..0a438ef 100644
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -1,5 +1,5 @@
 /* BFD back-end data structures for ELF files.
-   Copyright (C) 1992, 93, 94, 95, 96, 97, 98, 1999 Free Software
+   Copyright (C) 1992, 93, 94, 95, 96, 97, 98, 1999, 2000 Free Software
    Foundation, Inc.
    Written by Cygnus Support.
 
@@ -1304,4 +1304,8 @@ extern boolean _bfd_mips_elf_relocate_section
   PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
 	   Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
 
+/* SH ELF specific routine.  */
+
+extern boolean _sh_elf_set_mach_from_flags PARAMS ((bfd *));
+
 #endif /* _LIBELF_H_ */
diff --git a/bfd/elf32-sh.c b/bfd/elf32-sh.c
index ea5bd9f..ea0426e 100644
--- a/bfd/elf32-sh.c
+++ b/bfd/elf32-sh.c
@@ -1,5 +1,5 @@
 /* Hitachi SH specific support for 32-bit ELF
-   Copyright 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+   Copyright 1996, 97, 98, 1999, 2000 Free Software Foundation, Inc.
    Contributed by Ian Lance Taylor, Cygnus Support.
 
 This file is part of BFD, the Binary File Descriptor library.
@@ -33,6 +33,14 @@ static reloc_howto_type *sh_elf_reloc_type_lookup
   PARAMS ((bfd *, bfd_reloc_code_real_type));
 static void sh_elf_info_to_howto
   PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
+static boolean sh_elf_set_private_flags
+  PARAMS ((bfd *, flagword));
+static boolean sh_elf_copy_private_data
+  PARAMS ((bfd *, bfd *));
+static boolean sh_elf_merge_private_data
+  PARAMS ((bfd *, bfd *));
+boolean sh_elf_set_mach_from_flags
+  PARAMS ((bfd *));
 static boolean sh_elf_relax_section
   PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *));
 static boolean sh_elf_relax_delete_bytes
@@ -2087,6 +2095,109 @@ sh_elf_check_relocs (abfd, info, sec, relocs)
   return true;
 }
 
+boolean
+sh_elf_set_mach_from_flags (abfd)
+     bfd *    abfd;
+{
+  flagword flags = elf_elfheader (abfd)->e_flags;
+
+  switch (elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK)
+    {
+    case EF_SH1:
+      bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh);
+      break;
+    case EF_SH2:
+      bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh2);
+      break;
+    case EF_SH_DSP:
+      bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh_dsp);
+      break;
+    case EF_SH3:
+      bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh3);
+      break;
+    case EF_SH3_DSP:
+      bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh3_dsp);
+      break;
+    case EF_SH3E:
+      bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh3e);
+      break;
+    case EF_SH_UNKNOWN:
+    case EF_SH4:
+      bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh4);
+      break;
+    default:
+      return false;
+    }
+  return true;
+}
+
+/* Function to keep SH specific file flags. */
+static boolean
+sh_elf_set_private_flags (abfd, flags)
+     bfd *    abfd;
+     flagword flags;
+{
+  BFD_ASSERT (! elf_flags_init (abfd)
+	      || elf_elfheader (abfd)->e_flags == flags);
+
+  elf_elfheader (abfd)->e_flags = flags;
+  elf_flags_init (abfd) = true;
+  return sh_elf_set_mach_from_flags (abfd);
+}
+
+/* Copy backend specific data from one object module to another */
+static boolean
+sh_elf_copy_private_data (ibfd, obfd)
+     bfd * ibfd;
+     bfd * obfd;
+{
+  if (   bfd_get_flavour (ibfd) != bfd_target_elf_flavour
+      || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
+    return true;
+
+  return sh_elf_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
+}
+
+/* This routine checks for linking big and little endian objects
+   together, and for linking sh-dsp with sh3e / sh4 objects.  */
+
+static boolean
+sh_elf_merge_private_data (ibfd, obfd)
+     bfd *ibfd;
+     bfd *obfd;
+{
+  flagword old_flags, new_flags;
+
+  if (_bfd_generic_verify_endian_match (ibfd, obfd) == false)
+    return false;
+
+  if (   bfd_get_flavour (ibfd) != bfd_target_elf_flavour
+      || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
+    return true;
+
+  if (! elf_flags_init (obfd))
+    {
+      elf_flags_init (obfd) = true;
+      elf_elfheader (obfd)->e_flags = 0;
+    }
+  old_flags = elf_elfheader (obfd)->e_flags;
+  new_flags = elf_elfheader (ibfd)->e_flags;
+  if ((EF_SH_HAS_DSP (old_flags) && EF_SH_HAS_FP (new_flags))
+      || (EF_SH_HAS_DSP (new_flags) && EF_SH_HAS_FP (old_flags)))
+    {
+      (*_bfd_error_handler)
+	("%s: uses %s instructions while previous modules use %s instructions",
+	 bfd_get_filename (ibfd),
+	 EF_SH_HAS_DSP (new_flags) ? "dsp" : "floating point",
+	 EF_SH_HAS_DSP (new_flags) ? "floating point" : "dsp");
+      bfd_set_error (bfd_error_bad_value);
+      return false;
+    }
+  elf_elfheader (obfd)->e_flags = EF_SH_MERGE_MACH (old_flags, new_flags);
+
+  return sh_elf_set_mach_from_flags (obfd);
+}
+
 #define TARGET_BIG_SYM		bfd_elf32_sh_vec
 #define TARGET_BIG_NAME		"elf32-sh"
 #define TARGET_LITTLE_SYM	bfd_elf32_shl_vec
@@ -2103,8 +2214,13 @@ sh_elf_check_relocs (abfd, info, sec, relocs)
 #define elf_backend_relocate_section	sh_elf_relocate_section
 #define bfd_elf32_bfd_get_relocated_section_contents \
 					sh_elf_get_relocated_section_contents
+#define elf_backend_object_p		sh_elf_set_mach_from_flags
+#define bfd_elf32_bfd_set_private_bfd_flags \
+					sh_elf_set_private_flags
+#define bfd_elf32_bfd_copy_private_bfd_data \
+					sh_elf_copy_private_data
 #define bfd_elf32_bfd_merge_private_bfd_data \
-					_bfd_generic_verify_endian_match
+					sh_elf_merge_private_data
 
 #define elf_backend_gc_mark_hook        sh_elf_gc_mark_hook
 #define elf_backend_gc_sweep_hook       sh_elf_gc_sweep_hook