https://gcc.gnu.org/g:3e7ae868fa057a808448a5ab081d2ad30ad80bab
commit r15-6269-g3e7ae868fa057a808448a5ab081d2ad30ad80bab
Author: John David Anglin <dang...@gcc.gnu.org>
Date: Sun Dec 15 17:18:40 2024 -0500
hppa: Implement TARGET_FRAME_POINTER_REQUIRED
If a function receives nonlocal gotos, it needs to save the frame
pointer in the argument save area. This ensures that LRA sets
frame_pointer_needed when it saves arguments in the save area.
2024-12-15 John David Anglin <dang...@gcc.gnu.org>
gcc/ChangeLog:
PR target/118018
* config/pa/pa.cc (pa_frame_pointer_required): Declare and
implement.
(TARGET_FRAME_POINTER_REQUIRED): Define.
Diff:
---
gcc/config/pa/pa.cc | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/gcc/config/pa/pa.cc b/gcc/config/pa/pa.cc
index 99ed2863eb9f..df2ec3c515f9 100644
--- a/gcc/config/pa/pa.cc
+++ b/gcc/config/pa/pa.cc
@@ -209,6 +209,7 @@ static HOST_WIDE_INT pa_starting_frame_offset (void);
static section* pa_elf_select_rtx_section(machine_mode, rtx, unsigned
HOST_WIDE_INT) ATTRIBUTE_UNUSED;
static void pa_atomic_assign_expand_fenv (tree *, tree *, tree *);
static bool pa_use_lra_p (void);
+static bool pa_frame_pointer_required (void);
/* The following extra sections are only used for SOM. */
static GTY(()) section *som_readonly_data_section;
@@ -393,6 +394,8 @@ static size_t n_deferred_plabels = 0;
#define TARGET_DELEGITIMIZE_ADDRESS pa_delegitimize_address
#undef TARGET_INTERNAL_ARG_POINTER
#define TARGET_INTERNAL_ARG_POINTER pa_internal_arg_pointer
+#undef TARGET_FRAME_POINTER_REQUIRED
+#define TARGET_FRAME_POINTER_REQUIRED pa_frame_pointer_required
#undef TARGET_CAN_ELIMINATE
#define TARGET_CAN_ELIMINATE pa_can_eliminate
#undef TARGET_CONDITIONAL_REGISTER_USAGE
@@ -11334,4 +11337,17 @@ pa_use_lra_p ()
return pa_lra_p;
}
+/* Implement TARGET_FRAME_POINTER_REQUIRED. */
+
+bool
+pa_frame_pointer_required (void)
+{
+ /* If the function receives nonlocal gotos, it needs to save the frame
+ pointer in the argument save area. */
+ if (cfun->has_nonlocal_label)
+ return true;
+
+ return false;
+}
+
#include "gt-pa.h"
