[Bug target/24953] RTL check: access of elt 1 of vector with last elt 0 in vrsave_operation_1, at config/rs6000/predicates.md:1041

[dje at gcc dot gnu dot org]

--- Comment #3 from dje at gcc dot gnu dot org  2005-11-21 16:12 ---
Subject: Bug 24953

Author: dje
Date: Mon Nov 21 16:12:32 2005
New Revision: 107311

URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=107311
Log:
PR target/24953
* config/rs6000/predicates.md (vrsave_operation): Check
UNSPEC_VOLATILE value.

Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/rs6000/predicates.md


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24953

[Bug target/24953] RTL check: access of elt 1 of vector with last elt 0 in vrsave_operation_1, at config/rs6000/predicates.md:1041

[dje at gcc dot gnu dot org]

--- Comment #4 from dje at gcc dot gnu dot org  2005-11-21 18:04 ---
Subject: Bug 24953

Author: dje
Date: Mon Nov 21 18:04:14 2005
New Revision: 107314

URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=107314
Log:
PR target/24953
* config/rs6000/predicates.md (vrsave_operation): Check
UNSPEC_VOLATILE value.

Modified:
branches/gcc-4_1-branch/gcc/ChangeLog
branches/gcc-4_1-branch/gcc/config/rs6000/predicates.md


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24953

[Bug target/24953] RTL check: access of elt 1 of vector with last elt 0 in vrsave_operation_1, at config/rs6000/predicates.md:1041

[dje at gcc dot gnu dot org]

--- Comment #1 from dje at gcc dot gnu dot org  2005-11-21 02:09 ---
We just need to check that we have enough elts in the VEC.


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dje at gcc dot gnu dot org changed:

   What|Removed |Added

 AssignedTo|unassigned at gcc dot gnu   |dje at gcc dot gnu dot org
   |dot org |
 Status|UNCONFIRMED |ASSIGNED
 Ever Confirmed|0   |1
   Last reconfirmed|-00-00 00:00:00 |2005-11-21 02:09:57
   date||


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24953

[Bug target/24953] RTL check: access of elt 1 of vector with last elt 0 in vrsave_operation_1, at config/rs6000/predicates.md:1041

[dje at gcc dot gnu dot org]

--- Comment #2 from dje at gcc dot gnu dot org  2005-11-21 02:54 ---
Index: predicates.md
===
I think the following patch fixes the checking failure.  I will bootstrap
overnight.

--- predicates.md   (revision 107244)
+++ predicates.md   (working copy)
@@ -1034,7 +1034,8 @@
   if (count = 1
   || GET_CODE (XVECEXP (op, 0, 0)) != SET
   || GET_CODE (SET_DEST (XVECEXP (op, 0, 0))) != REG
-  || GET_CODE (SET_SRC (XVECEXP (op, 0, 0))) != UNSPEC_VOLATILE)
+  || GET_CODE (SET_SRC (XVECEXP (op, 0, 0))) != UNSPEC_VOLATILE
+  || XVECLEN (SET_SRC (XVECEXP (op, 0, 0)), 0) = 1)
 return 0;


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24953