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* write.h (struct fix <fx_pcrel_adjust>): Make it a signed char.

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* config/tc-m68k.c (tc_gen_reloc, md_pcrel_from): Remove explicit
	sign extendion of fx_pxrel_adjust.
This commit is contained in:
Alan Modra 2012-11-05 07:10:37 +00:00
parent d4f1ee75e7
commit 552c607f04
3 changed files with 10 additions and 8 deletions
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6
gas/ChangeLog
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@ -1,3 +1,9 @@
2012-11-05 Alan Modra <amodra@gmail.com>
* write.h (struct fix <fx_pcrel_adjust>): Make it a signed char.
* config/tc-m68k.c (tc_gen_reloc, md_pcrel_from): Remove explicit
sign extendion of fx_pxrel_adjust.
2012-11-01 Maciej W. Rozycki <macro@codesourcery.com>
* config/tc-mips.c (is_delay_slot_valid): Simplify expression.

8
gas/config/tc-m68k.c
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@ -1377,9 +1377,7 @@ tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixp)
reloc->addend = fixp->fx_addnumber;
else
reloc->addend = (section->vma
/* Explicit sign extension in case char is
unsigned. */
+ ((fixp->fx_pcrel_adjust & 0xff) ^ 0x80) - 0x80
+ fixp->fx_pcrel_adjust
+ fixp->fx_addnumber
+ md_pcrel_from (fixp));
#endif
@ -7911,9 +7909,7 @@ md_pcrel_from (fixS *fixP)
{
int adjust;
/* Because fx_pcrel_adjust is a char, and may be unsigned, we explicitly
sign extend the value here. */
adjust = ((fixP->fx_pcrel_adjust & 0xff) ^ 0x80) - 0x80;
adjust = fixP->fx_pcrel_adjust;
if (adjust == 64)
adjust = -1;
return fixP->fx_where + fixP->fx_frag->fr_address - adjust;

4
gas/write.h
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@ -64,8 +64,8 @@ struct fix
/* The value is signed when checking for overflow. */
unsigned fx_signed : 1;
/* pc-relative offset adjust (only used by m68k and m68hc11) */
char fx_pcrel_adjust;
/* pc-relative offset adjust (only used by some CPU specific code) */
signed char fx_pcrel_adjust;
/* How many bytes are involved? */
unsigned char fx_size;