Hello! Attached patch adds a testcase for RA problem that was fixed by LRA.
2012-10-27 Uros Bizjak <ubiz...@gmail.com> PR target/34283 * gcc.target/i386/pr34283.c: New test. Tested on x86_64-pc-linux-gnu, committed to mainline SVN. Uros.
Index: gcc.target/i386/pr34283.c =================================================================== --- gcc.target/i386/pr34283.c (revision 0) +++ gcc.target/i386/pr34283.c (working copy) @@ -0,0 +1,12 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -msse4" } */ + +typedef long long __m128i __attribute__ ((__vector_size__ (16), __may_alias__)); +typedef long long __v2di __attribute__ ((__vector_size__ (16))); + +__m128i _mm_set_epi64x (long long __q1, long long __q0) +{ + return __extension__ (__m128i)(__v2di){ __q0, __q1 }; +} + +/* { dg-final { scan-assembler-not "movdqa" } } */