gcc/
* rtl.h (try_split): Strengthen return type from rtx to rtx_insn *.
* emit-rtl.c (try_split): Likewise, also for locals "before" and
"after". For now, don't strengthen param "trial", which requires
adding checked casts when returning it.
---
gcc/emit-rtl.c | 12 ++++++------
gcc/rtl.h | 2 +-
2 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index b64b276..05b787b 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -3538,11 +3538,11 @@ mark_label_nuses (rtx x)
replacement insn depending on the value of LAST. Otherwise, it
returns TRIAL. If the insn to be returned can be split, it will be. */
-rtx
+rtx_insn *
try_split (rtx pat, rtx trial, int last)
{
- rtx before = PREV_INSN (trial);
- rtx after = NEXT_INSN (trial);
+ rtx_insn *before = PREV_INSN (trial);
+ rtx_insn *after = NEXT_INSN (trial);
int has_barrier = 0;
rtx note, seq, tem;
int probability;
@@ -3552,7 +3552,7 @@ try_split (rtx pat, rtx trial, int last)
/* We're not good at redistributing frame information. */
if (RTX_FRAME_RELATED_P (trial))
- return trial;
+ return as_a <rtx_insn *> (trial);
if (any_condjump_p (trial)
&& (note = find_reg_note (trial, REG_BR_PROB, 0)))
@@ -3572,7 +3572,7 @@ try_split (rtx pat, rtx trial, int last)
}
if (!seq)
- return trial;
+ return as_a <rtx_insn *> (trial);
/* Avoid infinite loop if any insn of the result matches
the original pattern. */
@@ -3581,7 +3581,7 @@ try_split (rtx pat, rtx trial, int last)
{
if (INSN_P (insn_last)
&& rtx_equal_p (PATTERN (insn_last), pat))
- return trial;
+ return as_a <rtx_insn *> (trial);
if (!NEXT_INSN (insn_last))
break;
insn_last = NEXT_INSN (insn_last);
diff --git a/gcc/rtl.h b/gcc/rtl.h
index a97a81e..f28a62a 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -2442,7 +2442,7 @@ extern rtx delete_related_insns (rtx);
extern rtx *find_constant_term_loc (rtx *);
/* In emit-rtl.c */
-extern rtx try_split (rtx, rtx, int);
+extern rtx_insn *try_split (rtx, rtx, int);
extern int split_branch_probability;
/* In unknown file */
--
1.8.5.3
