aboutsummaryrefslogtreecommitdiff
path: root/gcc/config/i386/i386.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/config/i386/i386.c')
-rw-r--r--gcc/config/i386/i386.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index fdfe595..d19c770 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -13547,7 +13547,7 @@ ix86_add_queued_cfa_restore_notes (rtx insn)
zero if %r11 register is live and cannot be freely used and positive
otherwise. */
-static void
+static rtx
pro_epilogue_adjust_stack (rtx dest, rtx src, rtx offset,
int style, bool set_cfa)
{
@@ -13638,6 +13638,7 @@ pro_epilogue_adjust_stack (rtx dest, rtx src, rtx offset,
m->fs.sp_valid = valid;
m->fs.sp_realigned = realigned;
}
+ return insn;
}
/* Find an available register to be used as dynamic realign argument
@@ -13987,9 +13988,11 @@ ix86_adjust_stack_and_probe_stack_clash (const HOST_WIDE_INT size)
for (i = probe_interval; i <= size; i += probe_interval)
{
/* Allocate PROBE_INTERVAL bytes. */
- pro_epilogue_adjust_stack (stack_pointer_rtx, stack_pointer_rtx,
- GEN_INT (-probe_interval), -1,
- m->fs.cfa_reg == stack_pointer_rtx);
+ rtx insn
+ = pro_epilogue_adjust_stack (stack_pointer_rtx, stack_pointer_rtx,
+ GEN_INT (-PROBE_INTERVAL), -1,
+ m->fs.cfa_reg == stack_pointer_rtx);
+ add_reg_note (insn, REG_STACK_CHECK, const0_rtx);
/* And probe at *sp. */
emit_stack_probe (stack_pointer_rtx);