* 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.
This commit is contained in:
Nick Clifton 2013-03-21 16:08:06 +00:00
parent 0fe1b31bca
commit 724514461e
4 changed files with 19 additions and 10 deletions

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@ -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.

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@ -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)

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@ -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

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@ -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}}},