diff options
Diffstat (limited to 'gcc/config/alpha/alpha.c')
| -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 a4e8b2b6c30..41f3e3a1957 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, |