diff options
| author | Alan Modra <amodra@gmail.com> | 2013-05-09 04:01:53 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2013-05-09 04:01:53 +0000 |
| commit | da8094d7964e634fb0ec5632d36f9bd282f3170e (patch) | |
| tree | a792c130be8c2d13aa87d65c44d88dcfe77dd7ec /gas | |
| parent | 8f979b3d595962e8bda9e940e0b6c9c1727f4e09 (diff) | |
| download | gdb-da8094d7964e634fb0ec5632d36f9bd282f3170e.zip gdb-da8094d7964e634fb0ec5632d36f9bd282f3170e.tar.gz gdb-da8094d7964e634fb0ec5632d36f9bd282f3170e.tar.bz2 | |
* config/tc-ppc.c (md_apply_fix): Sign extend fieldval under
control of operand flag bits.
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 5 | ||||
| -rw-r--r-- | gas/config/tc-ppc.c | 35 |
2 files changed, 21 insertions, 19 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 9ec5ff1..b32779d 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -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. diff --git a/gas/config/tc-ppc.c b/gas/config/tc-ppc.c index 9baf34d..904166e 100644 --- a/gas/config/tc-ppc.c +++ b/gas/config/tc-ppc.c @@ -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. */ |