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| author | Bill Schmidt <wschmidt@linux.ibm.com> | 2019-05-23 18:24:22 +0000 |
|---|---|---|
| committer | William Schmidt <wschmidt@gcc.gnu.org> | 2019-05-23 18:24:22 +0000 |
| commit | 9111760356ce908060b66b11d00ac0ee870e9276 (patch) | |
| tree | ec28d0553217584b918d0b41e36e974d2bf84f32 /gcc/doc | |
| parent | 0ce91914ad6c0412be53e4e4f69bdeb43d0a58ea (diff) | |
| download | gcc-9111760356ce908060b66b11d00ac0ee870e9276.zip gcc-9111760356ce908060b66b11d00ac0ee870e9276.tar.gz gcc-9111760356ce908060b66b11d00ac0ee870e9276.tar.bz2 | |
rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PCREL.
2019-05-22 Bill Schmidt <wschmidt@linux.ibm.com>
Michael Meissner <meissner@linux.ibm.com>
Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
OPTION_MASK_PCREL.
(POWERPC_MASKS): Add OPTION_MASK_PCREL.
* config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
(rs6000_fndecl_pcrel_p): Likewise.
* config/rs6000/rs6000.c (rs6000_option_override_internal): Report
error if -mpcrel is requested without -mcpu=future.
(rs6000_opt_masks): Add entry for pcrel.
(rs6000_fndecl_pcrel_p): New function.
(rs6000_pcrel_p): Likewise.
* config/rs6000/rs6000.opt (mpcrel): New option.
* doc/invoke.texi: Document -mpcrel and -mno-pcrel.
Co-Authored-By: Michael Meissner <meissner@linux.ibm.com>
Co-Authored-By: Segher Boessenkool <segher@kernel.crashing.org>
From-SVN: r271575
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 6164504..4964cc4 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -1121,7 +1121,7 @@ See RS/6000 and PowerPC Options. -mfloat128 -mno-float128 -mfloat128-hardware -mno-float128-hardware @gol -mgnu-attribute -mno-gnu-attribute @gol -mstack-protector-guard=@var{guard} -mstack-protector-guard-reg=@var{reg} @gol --mstack-protector-guard-offset=@var{offset}} +-mstack-protector-guard-offset=@var{offset} -mpcrel -mno-pcrel} @emph{RX Options} @gccoptlist{-m64bit-doubles -m32bit-doubles -fpu -nofpu@gol @@ -25095,6 +25095,13 @@ which register to use as base register for reading the canary, and from what offset from that base register. The default for those is as specified in the relevant ABI. @option{-mstack-protector-guard-symbol=@var{symbol}} overrides the offset with a symbol reference to a canary in the TLS block. + +@item -mpcrel +@itemx -mno-pcrel +@opindex mpcrel +@opindex mno-pcrel +Generate (do not generate) pc-relative addressing when the option +@option{-mcpu=future} is used. @end table @node RX Options |