2012-12-17 Andrew Stubbs <ams@codesourcery.com>
Ulrich Weigand <ulrich.weigand@linaro.org>
gcc/
* config/arm/arm.md (zero_extend<mode>di2): Add extra alternatives
for NEON registers.
Add alternative for one-instruction extend-in-place.
(extend<mode>di2): Likewise.
Add constraints for Thumb-mode memory loads.
Prevent extend splitters doing NEON alternatives.
* config/arm/iterators.md (qhs_extenddi_cstr, qhs_zextenddi_cstr):
Adjust constraints to add new alternatives.
* config/arm/neon.md: Add splitters for zero- and sign-extend.
gcc/testsuite/
* gcc.target/arm/neon-extend-1.c: New file.
* gcc.target/arm/neon-extend-2.c: New file.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@194558 138bc75d-0d04-0410-961f-82ee72b054a4