yann@1: Message-Id: 20030822160024.GA305@ftbfs.org
yann@1: From: Matt Kraai kraai at alumni dot cmu dot edu
yann@1: To: gcc-patches at gcc dot gnu dot org
yann@1: Date: Fri, 22 Aug 2003 09:00:24 -0700
yann@1: Subject: PR 11949
yann@1: 
yann@1: Howdy,
yann@1: 
yann@1: I've backported the following patch from the mainline to the 3.3
yann@1: branch to fix PR 11949.
yann@1: 
yann@1: Bootstrapped and regression tested on powerpc-unknown-linux-gnu.
yann@1: 
yann@1: OK to commit?
yann@1: 
yann@1: 	PR c/11949
yann@1: 	Backport from mainline:
yann@1: 
yann@1: 	2003-05-05  Aldy Hernandez  aldyh@redhat.com
yann@1: 
yann@1: 	* testsuite/gcc.c-torture/compile/simd-6.c: New.
yann@1: 
yann@1: 	* c-typeck.c (digest_init): Handle arrays of vector constants.
yann@1: 
yann@1: Index: gcc/c-typeck.c
yann@1: ===================================================================
yann@1: RCS file: /cvs/gcc/gcc/gcc/c-typeck.c,v
yann@1: retrieving revision 1.213.2.8
yann@1: diff -3 -c -p -r1.213.2.8 c-typeck.c
yann@1: *** gcc/gcc/c-typeck.c	19 Aug 2003 01:42:35 -0000	1.213.2.8
yann@1: --- gcc/gcc/c-typeck.c	22 Aug 2003 09:24:03 -0000
yann@1: *************** digest_init (type, init, require_constan
yann@1: *** 4765,4772 ****
yann@1:     if (code == VECTOR_TYPE
yann@1:         && comptypes (TREE_TYPE (inside_init), type)
yann@1:         && TREE_CONSTANT (inside_init))
yann@1: !     return build_vector (type, TREE_OPERAND (inside_init, 1));
yann@1: ! 
yann@1:   
yann@1:     /* Any type can be initialized
yann@1:        from an expression of the same type, optionally with braces.  */
yann@1: --- 4765,4778 ----
yann@1:     if (code == VECTOR_TYPE
yann@1:         && comptypes (TREE_TYPE (inside_init), type)
yann@1:         && TREE_CONSTANT (inside_init))
yann@1: !     {
yann@1: !       if (TREE_CODE (inside_init) == VECTOR_CST
yann@1: ! 	  && comptypes (TYPE_MAIN_VARIANT (TREE_TYPE (inside_init)),
yann@1: ! 			TYPE_MAIN_VARIANT (type)))
yann@1: ! 	return inside_init;
yann@1: !       else
yann@1: ! 	return build_vector (type, CONSTRUCTOR_ELTS (inside_init));
yann@1: !     }
yann@1:   
yann@1:     /* Any type can be initialized
yann@1:        from an expression of the same type, optionally with braces.  */
yann@1: 
yann@1: typedef int __attribute__((mode(V2SI))) vec;
yann@1: 
yann@1: vec a[] = {(vec) {1, 2}, {3, 4}};
yann@1: