* elf32-h8300 (h8_relax_section): Add new relaxation of mov

	@(disp:32,ERx) to mov @(disp:16,ERx).
	(R_H8_DISP32A16): New reloc.
	Comments added and corrected.
	* reloc.c (BFD_RELOC_H8_DISP32A16): New reloc.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Regenerate.

	* ld.texinfo (H8/300): Add description of relaxation of
	mov @(disp:32,ERx) to mov @(disp:16,ERx).

	* ld-h8300/h8300.exp: Add new relax-7 test on ELF.
	* ld-h8300/relax-2.s: Add other direction and .w/.l variants of
	mov insns.
	* ld-h8300/relax-2.d: Update expected disassembly.
	* ld-h8300/relax-7a.s: New: tests for mov @(disp:32,ERx) -> mov
	@(disp:16,ERx).
	* ld-h8300/relax-7b.s: New: Likewise.
	* ld-h8300/relax-7.d: New: expected disassembly.

	* config/tc-h8300.c (do_a_fix_imm): Add relaxation of mov
	@(disp:32,ERx) to mov @(disp:16,ERx) insns by new reloc
	R_H8_DISP32A16.
	* config/tc-h8300.h: Remove duplicated defines.

diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index f08ca6bea98c578a370fd88da442d4113626610f..c726592077030206b0c9e4d642fccc0e94313ac9 100644 (file)
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,8 @@
+2013-03-21  Michael Schewe  <michael.schewe@gmx.net>
+
+       * h8.h: Add new reloc R_H8_DISP32A16 for relaxation of
+       mov @(disp:32,ERx) to mov @(disp:16,ERx).
+
 2013-03-08  Andreas Arnez  <arnez@linux.vnet.ibm.com>
 
        * common.h (NT_S390_TDB): Define.

diff --git a/include/elf/h8.h b/include/elf/h8.h
index 36aef6a254f8dbc007a76417c3615e255a23a275..2a3d905ebec23b50f479b5e7a31c342e5a2c793d 100644 (file)
--- a/include/elf/h8.h
+++ b/include/elf/h8.h
@@ -1,5 +1,5 @@
 /* H8300/h8500 ELF support for BFD.
-   Copyright 2001, 2003, 2010 Free Software Foundation, Inc.
+   Copyright 2001-2013 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -23,7 +23,7 @@
 #include "elf/reloc-macros.h"
 
 /* Relocations.  */
-/* Relocations 59..63 are GNU extensions.  */
+/* Relocations 59..64 are GNU extensions.  */
 START_RELOC_NUMBERS (elf_h8_reloc_type)
   RELOC_NUMBER (R_H8_NONE, 0)
   RELOC_NUMBER (R_H8_DIR32, 1)
@@ -65,6 +65,7 @@ START_RELOC_NUMBERS (elf_h8_reloc_type)
   RELOC_NUMBER (R_H8_DIR24A8, 61)
   RELOC_NUMBER (R_H8_DIR24R8, 62)
   RELOC_NUMBER (R_H8_DIR32A16, 63)
+  RELOC_NUMBER (R_H8_DISP32A16, 64)
   RELOC_NUMBER (R_H8_ABS32, 65)
   RELOC_NUMBER (R_H8_ABS32A16, 127)
   RELOC_NUMBER (R_H8_SYM, 128)

diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index cc7ef5fb19e5d294487fd3d9c91b959f86cb980d..bdf990ee2a9a5fabdea8c643ce375f7cf60473c8 100644 (file)
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,8 @@
+2013-03-21  Michael Schewe  <michael.schewe@gmx.net>
+
+       * h8300.h: Add MEMRELAX flag for mov.b/w/l @(d:32,ERs),Rd
+       and mov.b/w/l Rs,@(d:32,ERd).
+
 2013-03-20  Alexis Deruelle  <alexis.deruelle@gmail.com>
 
        PR gas/15082

diff --git a/include/opcode/h8300.h b/include/opcode/h8300.h
index 81b1c089410bdc85aca13533daaf75fde6fb5d0a..3296debae1f51a17a1d0d88a20e1a24f0c1e70d4 100644 (file)
--- a/include/opcode/h8300.h
+++ b/include/opcode/h8300.h
@@ -1,7 +1,5 @@
 /* Opcode table for the H8/300
-   Copyright 1991, 1992, 1993, 1994, 1996, 1997, 1998, 2000, 2001, 2002,
-   2003, 2004, 2005, 2008, 2009, 2010
-   Free Software Foundation, Inc.
+   Copyright 1991-2013 Free Software Foundation, Inc.
    Written by Steve Chamberlain <sac@cygnus.com>.
    
    This file is part of GDB, the GNU Debugger and GAS, the GNU Assembler.
@@ -553,7 +551,7 @@ struct h8_opcode
   {CODE, AV_H8,   6, NAME, {{SRC, RDPREDEC,  E}}, {{                              6, OP3, B31 | RDPREDEC,   SRC,                E}}}, \
   {CODE, AV_H8SX, 0, NAME, {{SRC, DISP2DST,  E}}, {{PREFIX, B30 | B20 | DISP2DST, 6, OP1, B31 | DSTDISPREG, SRC,                E}}}, \
   {CODE, AV_H8,   6, NAME, {{SRC, DISP16DST, E}}, {{                              6, OP4, B31 | DSTDISPREG, SRC, DSTDISP16LIST, E}}}, \
-  {CODE, AV_H8,   6, NAME, {{SRC, DISP32DST, E}}, {{7, 8, B30 | DSTDISPREG, 0,    6, OP2, 10,               SRC, DSTDISP32LIST, E}}}, \
+  {CODE, AV_H8,   6, NAME, {{SRC, DISP32DST, E}}, {{7, 8, B30 | DSTDISPREG, 0,    6, OP2, 10,               SRC, MEMRELAX | DSTDISP32LIST, E}}}, \
   {CODE, AV_H8SX, 0, NAME, {{SRC, INDEXB16D, E}}, {{PREFIX, 1,                    6, OP4, B31 | DSTDISPREG, SRC, DSTDISP16LIST, E}}}, \
   {CODE, AV_H8SX, 0, NAME, {{SRC, INDEXW16D, E}}, {{PREFIX, 2,                    6, OP4, B31 | DSTDISPREG, SRC, DSTDISP16LIST, E}}}, \
   {CODE, AV_H8SX, 0, NAME, {{SRC, INDEXL16D, E}}, {{PREFIX, 3,                    6, OP4, B31 | DSTDISPREG, SRC, DSTDISP16LIST, E}}}, \
@@ -571,7 +569,7 @@ struct h8_opcode
   {CODE, AV_H8SX, 0, NAME, {{RSPREDEC,  DST, E}}, {{PREFIX, 3,                    6, OP3, B30 | RSPREDEC,  DST,             E}}}, \
   {CODE, AV_H8SX, 0, NAME, {{DISP2SRC,  DST, E}}, {{PREFIX, B30 | B20 | DISP2SRC, 6, OP1, B30 | DISPREG,   DST,             E}}}, \
   {CODE, AV_H8,   6, NAME, {{DISP16SRC, DST, E}}, {{                              6, OP4, B30 | DISPREG,   DST, DISP16LIST, E}}}, \
-  {CODE, AV_H8,   6, NAME, {{DISP32SRC, DST, E}}, {{7, 8, B30 | DISPREG, 0,       6, OP2, 2,               DST, DISP32LIST, E}}}, \
+  {CODE, AV_H8,   6, NAME, {{DISP32SRC, DST, E}}, {{7, 8, B30 | DISPREG, 0,       6, OP2, 2,               DST, MEMRELAX | DISP32LIST, E}}}, \
   {CODE, AV_H8SX, 0, NAME, {{INDEXB16,  DST, E}}, {{PREFIX, 1,                    6, OP4, B30 | DISPREG,   DST, DISP16LIST, E}}}, \
   {CODE, AV_H8SX, 0, NAME, {{INDEXW16,  DST, E}}, {{PREFIX, 2,                    6, OP4, B30 | DISPREG,   DST, DISP16LIST, E}}}, \
   {CODE, AV_H8SX, 0, NAME, {{INDEXL16,  DST, E}}, {{PREFIX, 3,                    6, OP4, B30 | DISPREG,   DST, DISP16LIST, E}}}, \
@@ -1518,8 +1516,8 @@ struct h8_opcode h8_opcodes[] =
   {O (O_MOV, SL), AV_H8SX, 0, "mov.l", {{RS32, DISP2DST,  E}}, {{PREFIX_010,  B30 | B20 | DISP2DST, 0x6, 0x9, B31 | DSTDISPREG,  RS32, E}}}, 
   {O (O_MOV, SL), AV_H8H,  6, "mov.l", {{RS32, DISP16DST, E}}, {{PREFIX_0100,                       0x6, 0xf, B31 | DSTDISPREG,  RS32, DSTDISP16LIST, E}}}, 
   {O (O_MOV, SL), AV_H8SX, 6, "mov.l", {{RS32, DISP32DST, E}}, {{0x7, 0x8, B31 | DSTDISPREG, 0x0,   0x6, 0xb, 0xa,               RS32, DSTDISP32LIST, E}}},
-  {O (O_MOV, SL), AV_H8H,  6, "mov.l", {{RS32, DISP32DST, E}}, {{PREFIX_0100,                       0x7, 0x8, B31 | DSTDISPREG, 0x0,   0x6, 0xb, 0xa,               RS32, DSTDISP32LIST, E}}},
-  {O (O_MOV, SL), AV_H8H,  6, "mov.l", {{RS32, DISP32DST, E}}, {{PREFIX_0100,                       0x7, 0x8, DSTDISPREG, 0x0,   0x6, 0xb, 0xa,               RS32, DSTDISP32LIST, E}}},
+  {O (O_MOV, SL), AV_H8H,  6, "mov.l", {{RS32, DISP32DST, E}}, {{PREFIX_0100,                       0x7, 0x8, B31 | DSTDISPREG, 0x0,   0x6, 0xb, 0xa,               RS32, MEMRELAX | DSTDISP32LIST, E}}},
+  {O (O_MOV, SL), AV_H8H,  6, "mov.l", {{RS32, DISP32DST, E}}, {{PREFIX_0100,                       0x7, 0x8, DSTDISPREG, 0x0,   0x6, 0xb, 0xa,               RS32, MEMRELAX | DSTDISP32LIST, E}}},
   {O (O_MOV, SL), AV_H8SX, 0, "mov.l", {{RS32, INDEXB16D, E}}, {{PREFIX_0101,                       0x6, 0xf, B31 | DSTDISPREG,  RS32, DSTDISP16LIST, E}}}, 
   {O (O_MOV, SL), AV_H8SX, 0, "mov.l", {{RS32, INDEXW16D, E}}, {{PREFIX_0102,                       0x6, 0xf, B31 | DSTDISPREG,  RS32, DSTDISP16LIST, E}}}, 
   {O (O_MOV, SL), AV_H8SX, 0, "mov.l", {{RS32, INDEXL16D, E}}, {{PREFIX_0103,                       0x6, 0xf, B31 | DSTDISPREG,  RS32, DSTDISP16LIST, E}}}, 
@@ -1537,7 +1535,7 @@ struct h8_opcode h8_opcodes[] =
   {O (O_MOV, SL), AV_H8SX, 0, "mov.l", {{DISP2SRC,  RD32, E}}, {{PREFIX_010,  B30 | B20 | DISP2SRC, 0x6, 0x9, B30 | DISPREG,   RD32, E}}}, 
   {O (O_MOV, SL), AV_H8H,  6, "mov.l", {{DISP16SRC, RD32, E}}, {{PREFIX_0100,                       0x6, 0xf, B30 | DISPREG,   RD32, SRC | DISP16LIST, E}}}, 
   {O (O_MOV, SL), AV_H8SX, 6, "mov.l", {{DISP32SRC, RD32, E}}, {{0x7, 0x8, B31 | DISPREG, 0x0,      0x6, 0xb, 0x2,             RD32, SRC | DISP32LIST, E}}},
-  {O (O_MOV, SL), AV_H8H,  6, "mov.l", {{DISP32SRC, RD32, E}}, {{PREFIX_0100,                       0x7, 0x8, B30 | DISPREG, 0x0, 0x6, 0xb, 0x2,             RD32, SRC | DISP32LIST, E}}},
+  {O (O_MOV, SL), AV_H8H,  6, "mov.l", {{DISP32SRC, RD32, E}}, {{PREFIX_0100,                       0x7, 0x8, B30 | DISPREG, 0x0, 0x6, 0xb, 0x2,             RD32, MEMRELAX | SRC | DISP32LIST, E}}},
   {O (O_MOV, SL), AV_H8SX, 0, "mov.l", {{INDEXB16,  RD32, E}}, {{PREFIX_0101,                       0x6, 0xf, B30 | DISPREG,   RD32, SRC | DISP16LIST, E}}}, 
   {O (O_MOV, SL), AV_H8SX, 0, "mov.l", {{INDEXW16,  RD32, E}}, {{PREFIX_0102,                       0x6, 0xf, B30 | DISPREG,   RD32, SRC | DISP16LIST, E}}}, 
   {O (O_MOV, SL), AV_H8SX, 0, "mov.l", {{INDEXL16,  RD32, E}}, {{PREFIX_0103,                       0x6, 0xf, B30 | DISPREG,   RD32, SRC | DISP16LIST, E}}},