@@ -3327,12 +3327,18 @@ xtensa_expand_prologue (void)
ref; ref = DF_REF_NEXT_REG (ref))
if (DF_REF_CLASS (ref) == DF_REF_REGULAR
&& NONJUMP_INSN_P (DF_REF_INSN (ref)))
- stack_pointer_needed = true;
+ {
+ stack_pointer_needed = true;
+ break;
+ }
/* Check if callee-saved registers really need saving to the stack. */
if (!stack_pointer_needed)
for (regno = 0; regno < FIRST_PSEUDO_REGISTER; ++regno)
if (xtensa_call_save_reg (regno))
- stack_pointer_needed = true;
+ {
+ stack_pointer_needed = true;
+ break;
+ }
cfun->machine->inhibit_logues_a1_adjusts = !stack_pointer_needed;
From: Takayuki 'January June' Suwa <jjsuwa_sys3175@yahoo.co.jp> gcc/ChangeLog: * config/xtensa/xtensa.cc (xtensa_expand_prologue): Modify to exit the inspection loops as soon as the necessity of stack pointer is found. --- gcc/config/xtensa/xtensa.cc | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)