diff options
| author | Jeff Law <law@redhat.com> | 2017-09-19 23:21:09 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2017-09-19 23:21:09 -0600 |
| commit | 9c1b56c4e739dc6854f1f93526bf7da6f7268095 (patch) | |
| tree | f8408e2321446e4acfeee073e64e4df81d8f7acc /gcc/config/alpha | |
| parent | 8c1dd97000d801abc8c9119304be6bf30c5316c0 (diff) | |
| download | gcc-9c1b56c4e739dc6854f1f93526bf7da6f7268095.zip gcc-9c1b56c4e739dc6854f1f93526bf7da6f7268095.tar.gz gcc-9c1b56c4e739dc6854f1f93526bf7da6f7268095.tar.bz2 | |
alpha.c (alpha_expand_prologue): Also check flag_stack_clash_protection.
* config/alpha/alpha.c (alpha_expand_prologue): Also check
flag_stack_clash_protection.
* config/arm/arm.c (arm_compute_static_chain_stack_bytes): Likewise.
(arm_expand_prologue, thumb1_expand_prologue): Likewise.
(arm_frame_pointer_required): Likewise.
* config/ia64/ia64.c (ia64_compute_frame_size): Likewise.
(ia64_expand_prologue): Likewise.
* config/mips/mips.c (mips_expand_prologue): Likewise.
* config/powerpcspe/powerpcspe.c (rs6000_expand_prologue): Likewise.
* config/sparc/sparc.c (sparc_expand_prologue): Likewise.
(sparc_flat_expand_prologue): Likewise.
* config/spu/spu.c (spu_expand_prologue): Likewise.
From-SVN: r252996
Diffstat (limited to 'gcc/config/alpha')
| -rw-r--r-- | gcc/config/alpha/alpha.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c index a4e8b2b..41f3e3a 100644 --- a/gcc/config/alpha/alpha.c +++ b/gcc/config/alpha/alpha.c @@ -7760,7 +7760,7 @@ alpha_expand_prologue (void) Note that we are only allowed to adjust sp once in the prologue. */ probed_size = frame_size; - if (flag_stack_check) + if (flag_stack_check || flag_stack_clash_protection) probed_size += get_stack_check_protect (); if (probed_size <= 32768) @@ -7775,7 +7775,7 @@ alpha_expand_prologue (void) /* We only have to do this probe if we aren't saving registers or if we are probing beyond the frame because of -fstack-check. */ if ((sa_size == 0 && probed_size > probed - 4096) - || flag_stack_check) + || flag_stack_check || flag_stack_clash_protection) emit_insn (gen_probe_stack (GEN_INT (-probed_size))); } @@ -7805,7 +7805,8 @@ alpha_expand_prologue (void) late in the compilation, generate the loop as a single insn. */ emit_insn (gen_prologue_stack_probe_loop (count, ptr)); - if ((leftover > 4096 && sa_size == 0) || flag_stack_check) + if ((leftover > 4096 && sa_size == 0) + || flag_stack_check || flag_stack_clash_protection) { rtx last = gen_rtx_MEM (DImode, plus_constant (Pmode, ptr, -leftover)); @@ -7813,7 +7814,7 @@ alpha_expand_prologue (void) emit_move_insn (last, const0_rtx); } - if (flag_stack_check) + if (flag_stack_check || flag_stack_clash_protection) { /* If -fstack-check is specified we have to load the entire constant into a register and subtract from the sp in one go, |