Message-Id: 20030822160024.GA305@ftbfs.org

From: Matt Kraai kraai at alumni dot cmu dot edu

To: gcc-patches at gcc dot gnu dot org

Date: Fri, 22 Aug 2003 09:00:24 -0700

Subject: PR 11949

Howdy,

I've backported the following patch from the mainline to the 3.3

branch to fix PR 11949.

Bootstrapped and regression tested on powerpc-unknown-linux-gnu.

OK to commit?

	PR c/11949

	Backport from mainline:

	2003-05-05  Aldy Hernandez  aldyh@redhat.com

	* testsuite/gcc.c-torture/compile/simd-6.c: New.

	* c-typeck.c (digest_init): Handle arrays of vector constants.

Index: gcc/c-typeck.c

===================================================================

RCS file: /cvs/gcc/gcc/gcc/c-typeck.c,v

retrieving revision 1.213.2.8

diff -3 -c -p -r1.213.2.8 c-typeck.c

*** gcc/gcc/c-typeck.c	19 Aug 2003 01:42:35 -0000	1.213.2.8

--- gcc/gcc/c-typeck.c	22 Aug 2003 09:24:03 -0000

*************** digest_init (type, init, require_constan

*** 4765,4772 ****

    if (code == VECTOR_TYPE

        && comptypes (TREE_TYPE (inside_init), type)

        && TREE_CONSTANT (inside_init))

!     return build_vector (type, TREE_OPERAND (inside_init, 1));

! 

    /* Any type can be initialized

       from an expression of the same type, optionally with braces.  */

--- 4765,4778 ----

    if (code == VECTOR_TYPE

        && comptypes (TREE_TYPE (inside_init), type)

        && TREE_CONSTANT (inside_init))

!     {

!       if (TREE_CODE (inside_init) == VECTOR_CST

! 	  && comptypes (TYPE_MAIN_VARIANT (TREE_TYPE (inside_init)),

! 			TYPE_MAIN_VARIANT (type)))

! 	return inside_init;

!       else

! 	return build_vector (type, CONSTRUCTOR_ELTS (inside_init));

!     }

    /* Any type can be initialized

       from an expression of the same type, optionally with braces.  */

typedef int __attribute__((mode(V2SI))) vec;

vec a[] = {(vec) {1, 2}, {3, 4}};