On 07/25/2018 05:09 AM, Tamar Christina wrote: > Hi All, > > Attached is an updated patch that clarifies some of the comments in the patch > and adds comments to the individual testcases > as requested. > > Ok for trunk? > > Thanks, > Tamar > > gcc/ > 2018-07-25 Jeff Law <l...@redhat.com> > Richard Sandiford <richard.sandif...@linaro.org> > Tamar Christina <tamar.christ...@arm.com> > > PR target/86486 > * config/aarch64/aarch64.md (cmp<mode>, > probe_stack_range): Add k (SP) constraint. > * config/aarch64/aarch64.h (STACK_CLASH_CALLER_GUARD, > STACK_CLASH_MAX_UNROLL_PAGES): New. > * config/aarch64/aarch64.c (aarch64_output_probe_stack_range): Emit > stack probes for stack clash. > (aarch64_allocate_and_probe_stack_space): New. > (aarch64_expand_prologue): Use it. > (aarch64_expand_epilogue): Likewise and update IP regs re-use criteria. > (aarch64_sub_sp): Add emit_move_imm optional param. > > gcc/testsuite/ > 2018-07-25 Jeff Law <l...@redhat.com> > Richard Sandiford <richard.sandif...@linaro.org> > Tamar Christina <tamar.christ...@arm.com> > > PR target/86486 > * gcc.target/aarch64/stack-check-12.c: New. > * gcc.target/aarch64/stack-check-13.c: New. > * gcc.target/aarch64/stack-check-cfa-1.c: New. > * gcc.target/aarch64/stack-check-cfa-2.c: New. > * gcc.target/aarch64/stack-check-prologue-1.c: New. > * gcc.target/aarch64/stack-check-prologue-10.c: New. > * gcc.target/aarch64/stack-check-prologue-11.c: New. > * gcc.target/aarch64/stack-check-prologue-2.c: New. > * gcc.target/aarch64/stack-check-prologue-3.c: New. > * gcc.target/aarch64/stack-check-prologue-4.c: New. > * gcc.target/aarch64/stack-check-prologue-5.c: New. > * gcc.target/aarch64/stack-check-prologue-6.c: New. > * gcc.target/aarch64/stack-check-prologue-7.c: New. > * gcc.target/aarch64/stack-check-prologue-8.c: New. > * gcc.target/aarch64/stack-check-prologue-9.c: New. > * gcc.target/aarch64/stack-check-prologue.h: New. > * lib/target-supports.exp > (check_effective_target_supports_stack_clash_protection): Add AArch64. OK on my end. AArch64 maintainers have the final say since this is all AArch64 specific bits.
jeff
