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xtensa: Check DF availability before use

Message ID 1d7667cb-0944-74c6-634b-709be374fc99@yahoo.co.jp
State New
Headers show
Series xtensa: Check DF availability before use | expand

Commit Message

Takayuki 'January June' Suwa Dec. 29, 2022, 12:14 p.m. UTC 
Parhaps no problem, but for safety.

gcc/ChangeLog:

	* config/xtensa/xtensa.cc (xtensa_expand_prologue): Fix to check
	DF availability before use of DF_* macros.
---
 gcc/config/xtensa/xtensa.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Max Filippov Dec. 29, 2022, 5:13 p.m. UTC | #1 
On Thu, Dec 29, 2022 at 4:33 AM Takayuki 'January June' Suwa
<jjsuwa_sys3175@yahoo.co.jp> wrote:
>
> Parhaps no problem, but for safety.
>
> gcc/ChangeLog:
>
>         * config/xtensa/xtensa.cc (xtensa_expand_prologue): Fix to check
>         DF availability before use of DF_* macros.
> ---
>  gcc/config/xtensa/xtensa.cc | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Regtested for target=xtensa-linux-uclibc, no new regressions.
Committed to master.
diff mbox series

Patch

diff --git a/gcc/config/xtensa/xtensa.cc b/gcc/config/xtensa/xtensa.cc
index 66e25349521..e726a115029 100644
--- a/gcc/config/xtensa/xtensa.cc
+++ b/gcc/config/xtensa/xtensa.cc
@@ -3322,7 +3322,7 @@  xtensa_expand_prologue (void)
 				  || crtl->calls_eh_return;
 
       /* Check if the function body really needs the stack pointer.  */
-      if (!stack_pointer_needed)
+      if (!stack_pointer_needed && df)
 	for (ref = DF_REG_USE_CHAIN (A1_REG);
 	     ref; ref = DF_REF_NEXT_REG (ref))
 	  if (DF_REF_CLASS (ref) == DF_REF_REGULAR