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authorRichard Henderson <rth@redhat.com>2011-07-05 10:05:04 -0700
committerRichard Henderson <rth@gcc.gnu.org>2011-07-05 10:05:04 -0700
commit9f2ff8e5c985bb72bc6190be916618279abeb7ce (patch)
treebb24150fb1af8befd373e0b030d792c4e81ce92e
parentddc6e7d62c53eb1ef02410d5494bd3fd726b9f68 (diff)
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ia64: Issue REG_CFA_REGISTER for ar.pfs at alloc insn.
* config/ia64/ia64.c (ia64_expand_prologue): Emit REG_CFA_REGISTER for ar.pfs save at alloc insn. From-SVN: r175871
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/config/ia64/ia64.c9
2 files changed, 13 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 31ca36d..f696e9b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
2011-07-05 Richard Henderson <rth@redhat.com>
+ * config/ia64/ia64.c (ia64_expand_prologue): Emit REG_CFA_REGISTER
+ for ar.pfs save at alloc insn.
+
+2011-07-05 Richard Henderson <rth@redhat.com>
+
* config/arm/arm.c (arm_dwarf_handle_frame_unspec): Remove.
(TARGET_DWARF_HANDLE_FRAME_UNSPEC): Remove.
(arm_expand_prologue): Use REG_CFA_REGISTER to mark the
diff --git a/gcc/config/ia64/ia64.c b/gcc/config/ia64/ia64.c
index c06903d..0a6f2e6 100644
--- a/gcc/config/ia64/ia64.c
+++ b/gcc/config/ia64/ia64.c
@@ -3249,7 +3249,14 @@ ia64_expand_prologue (void)
GEN_INT (current_frame_info.n_local_regs),
GEN_INT (current_frame_info.n_output_regs),
GEN_INT (current_frame_info.n_rotate_regs)));
- RTX_FRAME_RELATED_P (insn) = (current_frame_info.r[reg_save_ar_pfs] != 0);
+ if (current_frame_info.r[reg_save_ar_pfs])
+ {
+ RTX_FRAME_RELATED_P (insn) = 1;
+ add_reg_note (insn, REG_CFA_REGISTER,
+ gen_rtx_SET (VOIDmode,
+ ar_pfs_save_reg,
+ gen_rtx_REG (DImode, AR_PFS_REGNUM)));
+ }
}
/* Set up frame pointer, stack pointer, and spill iterators. */