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* config/tc-ppc.c (md_apply_fix): Sign extend fieldval under 

control of operand flag bits.
This commit is contained in:
Alan Modra 2013-05-09 04:01:53 +00:00
parent 8f979b3d59
commit da8094d796
2 changed files with 21 additions and 19 deletions
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5
gas/ChangeLog
View File

@ -1,3 +1,8 @@
2013-05-09 Alan Modra <amodra@gmail.com>
* config/tc-ppc.c (md_apply_fix): Sign extend fieldval under
control of operand flag bits.
2013-05-07 Alan Modra <amodra@gmail.com>
* config/tc-ppc.c (PPC_VLE_SPLIT16A): Delete unused macro.

35
gas/config/tc-ppc.c
View File

@ -6369,7 +6369,10 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
case BFD_RELOC_LO16_PCREL:
case BFD_RELOC_PPC_VLE_LO16A:
case BFD_RELOC_PPC_VLE_LO16D:
fieldval = SEX16 (value);
fieldval = value & 0xffff;
sign_extend_16:
if ((operand->flags & PPC_OPERAND_SIGNED) != 0)
fieldval = (fieldval ^ 0x8000) - 0x8000;
fixP->fx_no_overflow = 1;
break;
@ -6380,9 +6383,8 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
case BFD_RELOC_HI16_PCREL:
case BFD_RELOC_PPC_VLE_HI16A:
case BFD_RELOC_PPC_VLE_HI16D:
fieldval = SEX16 (PPC_HI (value));
fixP->fx_no_overflow = 1;
break;
fieldval = PPC_HI (value);
goto sign_extend_16;
case BFD_RELOC_HI16_S:
if (fixP->fx_pcrel)
@ -6391,38 +6393,33 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
case BFD_RELOC_HI16_S_PCREL:
case BFD_RELOC_PPC_VLE_HA16A:
case BFD_RELOC_PPC_VLE_HA16D:
fieldval = SEX16 (PPC_HA (value));
fixP->fx_no_overflow = 1;
break;
fieldval = PPC_HA (value);
goto sign_extend_16;
#ifdef OBJ_ELF
case BFD_RELOC_PPC64_HIGHER:
if (fixP->fx_pcrel)
goto bad_pcrel;
fieldval = SEX16 (PPC_HIGHER (value));
fixP->fx_no_overflow = 1;
break;
fieldval = PPC_HIGHER (value);
goto sign_extend_16;
case BFD_RELOC_PPC64_HIGHER_S:
if (fixP->fx_pcrel)
goto bad_pcrel;
fieldval = SEX16 (PPC_HIGHERA (value));
fixP->fx_no_overflow = 1;
break;
fieldval = PPC_HIGHERA (value);
goto sign_extend_16;
case BFD_RELOC_PPC64_HIGHEST:
if (fixP->fx_pcrel)
goto bad_pcrel;
fieldval = SEX16 (PPC_HIGHEST (value));
fixP->fx_no_overflow = 1;
break;
fieldval = PPC_HIGHEST (value);
goto sign_extend_16;
case BFD_RELOC_PPC64_HIGHEST_S:
if (fixP->fx_pcrel)
goto bad_pcrel;
fieldval = SEX16 (PPC_HIGHESTA (value));
fixP->fx_no_overflow = 1;
break;
fieldval = PPC_HIGHESTA (value);
goto sign_extend_16;
/* The following relocs can't be calculated by the assembler.
Leave the field zero. */