+2011-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR middle-end/50283
+ * config/pa/pa.md (in_branch_delay): Disallow frame related insns.
+ (in_nullified_branch_delay): Likewise.
+ (in_call_delay): Likewise.
+
2011-11-30 Richard Henderson <rth@redhat.com>
* predict.c (expr_expected_value_1): Assume compare-and-swap builtin
;; Attributes for instruction and branch scheduling
-;; For conditional branches.
+;; For conditional branches. Frame related instructions are not allowed
+;; because they confuse the unwind support.
(define_attr "in_branch_delay" "false,true"
(if_then_else (and (eq_attr "type" "!uncond_branch,btable_branch,branch,cbranch,fbranch,call,dyncall,multi,milli,parallel_branch")
- (eq_attr "length" "4"))
+ (eq_attr "length" "4")
+ (not (match_test "RTX_FRAME_RELATED_P (insn)")))
(const_string "true")
(const_string "false")))
;; even if the instruction is nullified.
(define_attr "in_nullified_branch_delay" "false,true"
(if_then_else (and (eq_attr "type" "!uncond_branch,btable_branch,branch,cbranch,fbranch,call,dyncall,multi,milli,fpcc,fpalu,fpmulsgl,fpmuldbl,fpdivsgl,fpdivdbl,fpsqrtsgl,fpsqrtdbl,parallel_branch")
- (eq_attr "length" "4"))
+ (eq_attr "length" "4")
+ (not (match_test "RTX_FRAME_RELATED_P (insn)")))
(const_string "true")
(const_string "false")))
;; delay slot.
(define_attr "in_call_delay" "false,true"
(cond [(and (eq_attr "type" "!uncond_branch,btable_branch,branch,cbranch,fbranch,call,dyncall,multi,milli,parallel_branch")
- (eq_attr "length" "4"))
+ (eq_attr "length" "4")
+ (not (match_test "RTX_FRAME_RELATED_P (insn)")))
(const_string "true")
(eq_attr "type" "uncond_branch")
(if_then_else (match_test "TARGET_JUMP_IN_DELAY")