dejagnu test failures on x86-32 linux

Two failing tests on x86-32 linux:

FAIL: test/FrontendC/2008-08-07-AlignPadding1.c
Failed with exit(1) at line 1
while running: /usr/local/bin/llvm-gcc -emit-llvm -w test/FrontendC/2008-08-07-AlignPadding1.c -m64 -S -o - -emit-llvm -O0 | grep {zeroinitializer.*zeroinitializer.*zeroinitializer.*zeroinitializer.*zeroinitializer.*zeroinitializer}
test/FrontendC/2008-08-07-AlignPadding1.c:1: sorry, unimplemented: 64-bit mode not compiled in

FAIL: test/FrontendC/2008-08-07-AlignPadding2.c
Failed with exit(1) at line 1
while running: /usr/local/bin/llvm-gcc -emit-llvm -w test/FrontendC/2008-08-07-AlignPadding2.c -m64 -S -o - -emit-llvm -O0 | grep zeroinitializer | count 1
count: expected 1 lines and got 0.
test/FrontendC/2008-08-07-AlignPadding2.c:1: sorry, unimplemented: 64-bit mode not compiled in