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Diffstat (limited to 'gcc/ChangeLog.arm')
| -rw-r--r-- | gcc/ChangeLog.arm | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/gcc/ChangeLog.arm b/gcc/ChangeLog.arm index b853f16b307..c60d38e423f 100644 --- a/gcc/ChangeLog.arm +++ b/gcc/ChangeLog.arm @@ -1,3 +1,190 @@ +2018-08-14 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + Backport spectre v1 mitigation patches. + 2018-08-06 John David Anglin <danglin@gcc.gnu.org> + PR target/86785 + * config/pa/pa.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): + Define to speculation_safe_value_not_needed. + + 2018-08-06 Ulrich Weigand <uweigand@de.ibm.com> + PR target/86807 + * config/spu/spu.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): + Define to speculation_safe_value_not_needed. + + 2018-08-03 Sandra Loosemore <sandra@codesourcery.com> + PR target/86799 + * config/nios2/nios2.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): + Define. + + 2018-08-03 Jeff Law <law@redhat.com> + PR target/86795 + * config/mn10300/mn10300.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): + Define to speculation_safe_value_not_needed. + + 2018-08-02 Jeff Law <law@redhat.com> + PR target/86790 + * config/m68k/m68k.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): + Define to speculation_safe_value_not_needed. + + PR target/86784 + * config/h8300/h8300.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): + Define to speculation_safe_value_not_needed. + + 2018-08-02 Nick Clifton <nickc@redhat.com> + PR target/86813 + * config/stormy16/stormy16.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): + Define to speculation_safe_value_not_needed. + + PR target/86810 + * config/v850/v850.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): + Define to speculation_safe_value_not_needed. + + PR target/86810 + * config/v850/v850.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): + Define to speculation_safe_value_not_needed. + + PR target/86803 + * config/rx/rx.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): + Define to speculation_safe_value_not_needed. + + PR target/86797 + * config/msp430/msp430.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): + Define to speculation_safe_value_not_needed. + + PR target/86791 + * config/mcore/mcore.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): + Define to speculation_safe_value_not_needed. + + PR target/86789 + * config/m32r/m32r.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): + Define to speculation_safe_value_not_needed. + + PR target/86787 + * config/iq2000/iq2000.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): + Define to speculation_safe_value_not_needed. + + PR target/86782 + * config/frv/frv.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to + speculation_safe_value_not_needed. + + PR target/86781 + * config/fr30/fr30.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define + to speculation_safe_value_not_needed. + + 2018-08-01 Tom de Vries <tdevries@suse.de> + PR target/86800 + * config/nvptx/nvptx.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define to + speculation_safe_value_not_needed. + + 2018-08-01 Richard Earnshaw <rearnsha@arm.com> + * config/rs6000/rs6000.md (speculation_barrier): Renamed from + rs6000_speculation_barrier. + * config/rs6000/rs6000.c (rs6000_expand_builtin): Adjust for + new barrier pattern name. + + 2018-08-01 Richard Earnshaw <rearnsha@arm.com> + + * config/i386/i386.md (unspecv): Add UNSPECV_SPECULATION_BARRIER. + (speculation_barrier): New insn. + + 2018-07-31 Ian Lance Taylor <iant@golang.org> + * targhooks.c (default_have_speculation_safe_value): Add + ATTRIBUTE_UNUSED. + + 2018-07-31 Richard Earnshaw <rearnsha@arm.com> + * config/pdp11/pdp11.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Redefine + to speculation_safe_value_not_needed. + + 2018-07-31 Richard Earnshaw <rearnsha@arm.com> + * targhooks.h (speculation_safe_value_not_needed): New prototype. + * targhooks.c (speculation_safe_value_not_needed): New function. + * target.def (have_speculation_safe_value): Update documentation. + * doc/tm.texi: Regenerated. + + 2018-07-31 Richard Earnshaw <rearnsha@arm.com> + + * config/aarch64/iterators.md (ALLI_TI): New iterator. + * config/aarch64/aarch64.md (despeculate_copy<ALLI_TI:mode>): New + expand. + (despeculate_copy<ALLI:mode>_insn): New insn. + (despeculate_copyti_insn): New insn. + (despeculate_simple<ALLI:mode>): New insn + (despeculate_simpleti): New insn. + * config/aarch64/aarch64.c (aarch64_speculation_safe_value): New + function. + (TARGET_SPECULATION_SAFE_VALUE): Redefine to + aarch64_speculation_safe_value. + (aarch64_print_operand): Handle const0_rtx in modifier 'H'. + + 2018-07-31 Richard Earnshaw <rearnsha@arm.com> + + * config/aarch64/aarch64-speculation.cc: New file. + * config/aarch64/aarch64-passes.def (pass_track_speculation): Add + before pass_reorder_blocks. + * config/aarch64/aarch64-protos.h (make_pass_track_speculation): Add + prototype. + * config/aarch64/aarch64.c (aarch64_conditional_register_usage): Fix + X14 and X15 when tracking speculation. + * config/aarch64/aarch64.md (register name constants): Add + SPECULATION_TRACKER_REGNUM and SPECULATION_SCRATCH_REGNUM. + (unspec): Add UNSPEC_SPECULATION_TRACKER. + (speculation_barrier): New insn attribute. + (cmp<mode>): Allow SP in comparisons. + (speculation_tracker): New insn. + (speculation_barrier): Add speculation_barrier attribute. + * config/aarch64/t-aarch64: Add make rule for aarch64-speculation.o. + * config.gcc (aarch64*-*-*): Add aarch64-speculation.o to extra_objs. + * doc/invoke.texi (AArch64 Options): Document -mtrack-speculation. + + 2018-07-31 Richard Earnshaw <rearnsha@arm.com> + * config/aarch64/aarch64.md (cb<optab><mode>1): Disable when + aarch64_track_speculation is true. + (tb<optab><mode>1): Likewise. + * config/aarch64/aarch64.c (aarch64_split_compare_regs): Do not + generate CB[N]Z when tracking speculation. + (aarch64_split_compare_and_swap): Likewise. + (aarch64_split_atomic_op): Likewise. + + 2018-07-31 Richard Earnshaw <rearnsha@arm.com> + * config/aarch64/aarch64.opt (mtrack-speculation): New target option. + + 2018-07-31 Richard Earnshaw <rearnsha@arm.com> + * config/aarch64.md (unspecv): Add UNSPECV_SPECULAION_BARRIER. + (speculation_barrier): New insn. + + 2018-07-31 Richard Earnshaw <rearnsha@arm.com> + * config/arm/unspecs.md (unspecv): Add VUNSPEC_SPECULATION_BARRIER. + * config/arm/arm.md (speculation_barrier): New expand. + (speculation_barrier_insn): New pattern. + + 2018-07-31 Richard Earnshaw <rearnsha@arm.com> + * builtin-types.def (BT_FN_PTR_PTR_VAR): New function type. + (BT_FN_I1_I1_VAR, BT_FN_I2_I2_VAR, BT_FN_I4_I4_VAR): Likewise. + (BT_FN_I8_I8_VAR, BT_FN_I16_I16_VAR): Likewise. + * builtin-attrs.def (ATTR_NOVOPS_NOTHROW_LEAF_LIST): New attribute + list. + * builtins.def (BUILT_IN_SPECULATION_SAFE_VALUE_N): New builtin. + (BUILT_IN_SPECULATION_SAFE_VALUE_PTR): New internal builtin. + (BUILT_IN_SPECULATION_SAFE_VALUE_1): Likewise. + (BUILT_IN_SPECULATION_SAFE_VALUE_2): Likewise. + (BUILT_IN_SPECULATION_SAFE_VALUE_4): Likewise. + (BUILT_IN_SPECULATION_SAFE_VALUE_8): Likewise. + (BUILT_IN_SPECULATION_SAFE_VALUE_16): Likewise. + * builtins.c (expand_speculation_safe_value): New function. + (expand_builtin): Call it. + * doc/cpp.texi: Document predefine __HAVE_SPECULATION_SAFE_VALUE. + * doc/extend.texi: Document __builtin_speculation_safe_value. + * doc/md.texi: Document "speculation_barrier" pattern. + * doc/tm.texi.in: Pull in TARGET_SPECULATION_SAFE_VALUE and + TARGET_HAVE_SPECULATION_SAFE_VALUE. + * doc/tm.texi: Regenerated. + * target.def (have_speculation_safe_value, speculation_safe_value): New + hooks. + * targhooks.c (default_have_speculation_safe_value): New function. + (default_speculation_safe_value): New function. + * targhooks.h (default_have_speculation_safe_value): Add prototype. + (default_speculation_safe_value): Add prototype. + 2018-08-14 Yvan Roux <yvan.roux@linaro.org> * LINARO-VERSION: New file. |