[Bug target/68620] ICE on gcc.target/arm/attr-neon-fp16.c

[clyon at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68620

--- Comment #8 from Christophe Lyon <clyon at gcc dot gnu.org> ---
Author: clyon
Date: Tue Jan 26 15:17:00 2016
New Revision: 232832

URL: https://gcc.gnu.org/viewcvs?rev=232832&root=gcc&view=rev
Log:
2016-01-26  Christophe Lyon  <christophe.l...@linaro.org>

        gcc/
        PR target/68620
        * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
        * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
        New helper macros.
        (vget_lane_f16): Handle big-endian.
        (vgetq_lane_f16): Likewise.
        (vset_lane_f16): Likewise.
        (vsetq_lane_f16): Likewise.
        * config/arm/iterators.md (VQXMOV): Add V8HF.
        (VDQ): Add V4HF and V8HF.
        (V_reg): Handle V4HF and V8HF.
        (Is_float_mode): Likewise.
        * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
        neon_vdup_nv8hf): New patterns.
        (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
        Use VD_LANE iterator.
        (neon_vld1_dup<mode>): Use VQ2 iterator.

        testsuite/
        PR target/68620
        * gcc.target/arm/pr68620.c: New test.


Added:
    trunk/gcc/testsuite/gcc.target/arm/pr68620.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/arm/arm.c
    trunk/gcc/config/arm/arm_neon.h
    trunk/gcc/config/arm/iterators.md
    trunk/gcc/config/arm/neon.md
    trunk/gcc/testsuite/ChangeLog