re PR middle-end/50283 (FAIL: g++.dg/eh/simd-1.C execution test)

	PR middle-end/50283
	* config/pa/pa.md (in_branch_delay): Disallow frame related insns.
	(in_nullified_branch_delay): Likewise.
	(in_call_delay): Likewise.

From-SVN: r181868

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dceaefcf3ccd7914c9f9f73cdee542547ca3bba0..addee392384bf37989d1ac017fd022f9bba84703 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+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

diff --git a/gcc/config/pa/pa.md b/gcc/config/pa/pa.md
index 1be614c3241955742e581410d0479c5f7787c465..d5417febe8b392fffee722a531a4997f21982ac1 100644 (file)
--- a/gcc/config/pa/pa.md
+++ b/gcc/config/pa/pa.md
@@ -121,10 +121,12 @@
 
 ;; 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")))
 
@@ -132,7 +134,8 @@
 ;; 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")))
 
@@ -140,7 +143,8 @@
 ;; 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")